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ZyXEL Prestige 793H v2

1. 3 If you want to change the port for Web Server you could press button Modify on corresponding rule then modify and apply it Default port numbers for some services Service Port Number FTP 21 51 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Telnet 23 SMTP 25 DNS Domain Name Server 53 www http Web 80 Configure a PPTP server behind SUA Introduction PPTP is atunneling protocol defined by the PPTP forum that allows PPP packets to be encapsulated within Internet Protocol IP packets and forwarded over any IP network including the Internet itself In order to run the Windows 9x PPTP client you must be able to establish an IP connection with a tunnel server such as the Windows NT Server 4 0 Remote Access Server Windows Dial Up Networking uses the Internet standard Point to Point PPP to provide a secure optimized multiple protocol network connection over dial up telephone lines All data sent over this connection can be encrypted and compressed and multiple network level protocols TCP IP NetBEUI and IP X can be run correctly Windows NT Domain Login level security is preserved even across the Internet IP IPX IP IPX NBF NBF Window98 PPTP Client Internet NT RAS Server Protocol Stack 52 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes PPTP appears as new modem type Virtual Private N
2. Default Client 6901 client IP None for Chat File transfer Video and Voice 6701 client IP 123 server IP 3389 server IP 3996 4000 client IP 5500 client IP 48 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes VNC 5800 client IP 5900 client IP AIM AOL Instant Messenger None for Chat and IM None ior eharana IM e Donkey None 4661 4662 client IP OE aa None Default client IP Conferencing iVISTA 4 1 None 80 server IP Microsoft Xbox Live None N A Since SUA enables your LAN to appear as a single computer to the Internet itis not possible to configure similar servers on the same LAN behind SUA Because White Pine Cu SeeMe uses dedicate ports port 7648 amp port 24032 to transmit and receive data therefore only one local Cu SeeMe is allowed within the same LAN n SUA mode only one local NetMeeting user is allowed because the outsiders can not distinguish between local users using the same internet IP Certain Quake servers do not allow multiple users to login using the same unique IP so only one Quake user will be allowed in this case Moreover when a Quake server is configured behind SUA P 793H v2 will not be able to provide information of that server on the internet Quake Il has the same limitations as that of Quake I 5 P 793H v2 supports MSN Messenger 4 6 4 7 5 0 video voice pass through NAT In addition for the Windows OS support
3. 11 Is it possible to accessa server running behind SUA from the outside Internet If possible how Yes it is possible because P 793H v2 delivers the packet to the local server by looking up to a SUA server table Therefore to make a local server accessible to the outside users the port number and the inside IP address of the server must be configured You can configure it in Web Configurator Advanced Setup Network gt NAT gt Port Forwarding 12 When do I need to select Full Feature NAT Make multiple local servers on the LAN accessible from outside with multiple global IP addresses With SUA visible servers had to be mapped to different ports since the servers share only one global IP But when you select Full Feature you can make multiple local servers mapping the same port or not on the LAN accessible from outside with multiple global IP addresses Support Non NAT Friendly Applications Some servers providing Internet applications such as some MIRC servers do not allow users to login using the same IP address Thus users on the same network can not login to the same server simultaneously In this case it is better to use Many to Many No Overload or One to One NAT mapping types thus each user login to the server using a unique global IP address 13 What IP Port mapping does Multi NAT support Multi NAT supports five types of IP port mapping One to One Many to One Many to Many Overload Many to Many No Ove
4. IKE Advanced Setup Protocol Enable Replay Detection No vj Local Start Port Endo Remote Start Port Endo Phasel Negotiation Mode Main v Pre Shared Key 01234567 Encryption Algorithm DES v Authentication Algorithm MDS v SA Life Time Seconds 28800 Key Group DH1 v Phase2 Active Protocol ESP v Encryption Algorithm DES v Authentication Algorithm SHA1 Yi SA Life Time Seconds 28800 Encapsulation Tunnel v Perfect Forward Secrecy PFS NONE bdl Cancel Note If you make any change in advanced setup you need to configure the same on Prestige B We don t do any advanced setup in the example Then we have finished the configuration on Prestige A Step 2 Setup Prestige B Similar to the settings for Prestige A Prestige B is configured in the same way except that 1 Local Address Type is Single and IP Address Start is PC 2 sIP 192 168 2 33 in the example Remote Address Type is Single and IP Address Start is PC 1 sIP 192 168 1 33 in the example 2 My IP Address is the WAN IP of Prestige B 168 10 10 66 in the example 90 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Secure Gateway Address is the remote secure gateway Prestige A s WAN IP 202 132 154 1 in the example 3 Local ID Type Content should be the same as Prestige A s PeerID Type Content IP 0 0 0 1 in the example Peer ID Type Con
5. P 793H v2 Support Notes experimental errlog Kerberos authentication tcp Kerberos authentication udp Kerberos authentication Kerberos authentication Kerberos passwd server Kerberos userreg server Kerberos slave propagation Login and environment passing Pop with Kerberos sun nfs Kerberos de multiplexor Kerberos encrypted rlogin mtb backup remote man server remote man server testinc 125 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes rscs6 10006 udp rscs7 10007 udp rscs8 10008 udp rscs9 10009 udp rscsa 10010 udp rscsb 1001 1 udp qmaster 10012 tcp qmaster 10012 udp 3 Protocol Numbers In the Internet Protocol version 4 IPv4 RFC791 there is a field called Protocol to identify the next level protocol This is an 8 bit field In Internet Protocol version 6 IPv6 RFC1883 this field is called the Next Header field Assigned Internet Protocol Numbers Decimal Keyword Protocol References 0 HOPOPT IPv6 Hop by Hop Option RFC1883 1 ICMP Interne Control Message RFC792 2 IGMP Interne Group Management RFC1112 3 GGP Gateway to Gateway RFC823 4 IP IP in IP RFC2003 5 ST Stream RFC1190 IEN11 9 6 TCP Transmission Control RFC793 7 CBT CBT Ballardie 8 EGP Exterior Gateway RFC888 DLM1 9 IGP any Plate interior gateway IANA used Cisco for their IGRP 10 BBN RCC MON BBN RCC Monitoring SGC 11 NV
6. for remote configuration change and status monitoring FTP TFTP sever firmware upgrade and configuration backup and restore are supported Administrator Password Protected 3 What is the default password for Web Configurator There are two different accounts for P 793H v2 Web Configurator Common User Account and Administrator Account By factory default the password for the two accounts are 1 Common User Account user 0 Administrator Account 1234 You can change the password after you logging in the Web Configurator Note By default the password is user 4 Whatsthe difference between Common User Account and Administrator Account For Common User Account it can only access the status monitor of P 793H v2 and check the current system status For Administrator Account besides accessing the status monitor of P 793H v2 it can also access Wizard setup Advanced setup of P 793H va Moreover only with Administrator Password you could manage the P 793H v2 via FTP TFTP or Telnet 5 How do I know the P 793H v2 sWAN IP address assigned by the ISP You can view IP Address x x x x shown in Web Configurator Status gt Device Information gt WAN Information All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes 6 What do I need before using the SHDSL 1 You must order the SHDSL service from your telephone company and choose the service category 2 Y
7. 4 You can setup IKE phase 1 and phase 2 parameters by pressing Advanced button Please make sure that parameters you set in this menu match with all the parameters with the corresponding VPN rule in headquarter We don t make any advanced setup in the example 98 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Support T ool 1 LAN WAN Packet Trace The P 793H v2 packet trace records and analyzes packets running on LAN and WAN interfaces It is designed for users with technical backgrounds who are interested in the details of the packet flow on LAN or WAN end of P 793H v2 It is also very helpful for diagnostics if you have compatibility problems you re your ISP or if you want to know the details of a packet for configuring a filter rule The format of the display is as following Packet O 02 10 02 390 ENET R 654 TCP 192 168 1 33 1829 5192 168 1 1 23 index timer second channel receive transmit length protocol sourcelP port destIP port There are two ways to dump the trace Online Trace display the trace real time on screen Offline Trace capture the trace first and display later The details for capturing the trace in CLI as follows First of all you need to telnet to the P 793H v2 firstly The password is Administrator passwords admin by default 0 Online Trace 1 Trace LAN packet 0 Disable to capture the WAN packet by entering sys trcp channel
8. To backup your firmware use the TFTP client program to get file ras from the P 793H v2 5 How do upload ROMFILE via console port In some situations you may need to upload the ROMFILE such as losing the system password orthe need of resetting SMT to factory default The procedure for uploading via the console port is as follows 1 Enter debug mode when powering on the P 793H v2 using a terminal emulator 2 Enter ATLC to start the uploading 3 Use Xmodem protocol to transfer ROMFILE 4 Enter ATGO to restart the P 793H v2 6 How do I restore P 793H v2 configurations by using TFTP client program via LAN 1 Use the TELNET client program in your PC to login to your P 793H v2 2 Enter Cl command sys stdio 0 disable Stdio idle timeout 3 To backup the P 793H v2 configurations use TFTP client program to get file rom 0 from the P 793H v2 4 To restore the P 793H v2 configurations use the TF IP client program to put your configuration in file rom 0 in the P 793H v2 7 What should I do if forget the system password In case you forget the system password you can erase the current configuration and restore factory defaults this way Use the RESET button on the rear panel of P 793H v2 to reset the router After the router is reset the LAN IP address will be reset to 192 168 1 1 the common user password will be reset to user the Administrator password will be reset to 1234 8 How to use
9. Type the number of seconds 30 recommended for the P 793H v2 to wait between checks Allow more time if your destination IP address handles lots of traffic Timeout Type the number of seconds 3 recommended for your P 793H v2 to wait for a ping response from one of the IP addresses in the Check WAN IP Address field before timing out the request The WAN connection is considered down after the P 793H v2 times out the number of times specified in the Fail Tolerance field Use a higher value in this field if your network is busy or congested Traffic Redirect Settings Active Enable or disable traffic redirect setup Backup Gateway The IP address of your backup gateway P 793H v2 automatically forwards outgoing traffic to this IP address if Prestige s Internet connection terminates Metric Enter a number from 1 to 15 to give your traffic redirect route a priority number The smaller the number the higher priority the route has You can also configure WAN backup va SMT Menu 2 WAN Setup and traffic redirect va SMT Menu 2 1 Traffic Redirect Setup 81 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Menu 2 WAN Setup Service Mode 2wire Service Type Client Rate Adaption N A Transfer Max iska asd Kbps Transfer Min Rate Standard Mode N R Wan Backup Setup Check Mechanism DSL Check WAN IP Address Check WAN IP Rddresse Check WAN IP Address3 KeepAlive Fail Toleran
10. local rom rom 0 lt upload configurations cppwu faelinux cppwu tftp I 192 168 1 1 get ras local ras lt download firmware cppwu faelinux cppwu tftp I 192 168 1 1 put local ras ras lt upload firmware 3 Using FTP to Upload the Firmware and Configuration Files In addition to upload the firmware and configuration file va the console port and TFTP client you can also upload the firmware and configuration files to the P 793H v2 using FTP To use this feature your workstation must have a FTP client software See the example shown below 1 Using FTP client software Note The remote file name for the firmware is ras and the configuration file is rom 0 Use FTP client from your workstation to connect to the P 793H v2 by entering the IP address of the P 793H v2 Press Enter key to ignore the username because the P 793H v2 doe not check the username Enter the CLI password as the FTP login password the default is admin Step 4 Enter command bin to setthe transfer type to binary Step 1 Step2 Step 3 106 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Step 5 Use put command to transfer the file to the P 793H va Example Step 1 Connect to the P 793H v2 by entering the P 793H v2 s IP and Administrator password in the FTP software Setthe transfer type to Auto Detect or Binary Edit Host General Advanced S
11. 1 33 q Note You may also need to create a Firewallrule Apply Key Settings Option Descriptions Get Enter the correct Get Community This Get Community must match the F _ Get and GetNext community requested fromthe NMS The default is Community public Set Enter the correct Set Community This Set Community must match the Community Set community requested from the NMS The default is public Enter the IP address of the NMS The P 793H v2wil only respond to Trusted SNMP messages coming from this IP address If 0 0 0 0 is entered the Host P 793H v2 will respond to all NMS managers Enter the community name in each sent trap to the NMS This Trap Trap Community must match whatthe NMS is expecting The default is Community public 67 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Trap Enter the IP address of the NMS that you wish to sendthe traps to If Destination 0 0 0 0 is entered the P 793Hv2will not send trap any NMS manager Note You may need to edit a firewall rule to permit SNMP Packets 12 Using syslog slog Logging Syslog Server IP Address 192 168 1 33 ey Server Name or IP Address Log Facility ioca 2 Active Log and Alert You can configure it in Web Configurator Advanced Setup Maintenance gt Logs gt Log Settings gt Syslog logging Key Settings Active Selectit to active UNIX Syslog Syslog IP Ad
12. 192 168 1 192 168 1 192 168 1 192 168 1 P 793H v2 Support Notes 3321829 5192 168 1 1 23 1223 5192 168 1 33 1829 3321829 5192 168 1 1 23 1223 5192 168 1 33 1829 3321829 5192 168 1 1 23 1223 5192 168 1 33 1829 33 1829 gt 192 168 1 1 23 1 23 gt 19 2 168 1 33 1829 33 1829 gt 19 2 168 1 1 23 1 23 gt 19 2 168 1 33 182 33 1829 gt 19 2 168 1 1 23 1 23 gt 19 2 168 1 33 1829 33 1829 gt 19 2 168 1 1 23 1 23 5192 168 1 33 1829 33 21829 5192 168 1 1 23 1 23 5192 168 1 33 1829 33 21829 5192 168 1 1 23 1 23 5192 168 1 33 1829 33 21829 5192 168 1 1 23 1 23 5192 168 1 33 1829 3321829 5192 168 1 1 23 1 223 5192 168 1 33 182 BEE Disable the capture of the LAN packet by entering sys trcp channel eneto none Enable to capture the WAN packet by entering sys trep channel mpoa00 bothway Enable the trace log by entering sys trcp sw on amp sys trcl sw on Display the brief trace online by entering sys trcd brief Display the detailed trace online by entering sys trcd parse Example All contents copy right O 2010 Zy XEL Communications Corporation 100 ZyXEL P 793H v2 Support Notes trcp channel enet none trcep channel mpoa bothway trcp sw on trcd ce aana onan Ne Frame MPOAGB RECU Size 607 Time 02 20 24 510 Frame Type Ethernet Packet Ethernet Header Destination MAC Source MAC Addr Network Type IP Header IP Version H
13. 85 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes remote node Advanced Setup Click this button to display the Advanced Setup screen and edit more details of your WAN backup setup For more descriptions please refer to User s Guide IPSEC VPN Application Notes 1 How to use P 793H v2 to build VPN Tunnel with another VPN Gateway Software This page will guide you to setup a VPN connection between two Prestige routers In addition to Prestige to Prestige Prestige can also talk to other VPN hardwards softwares The tested VPN hardwares are shown below Cisco 1720 Router IOS 12 2 2 XH IP ADSL FW IDS PLUS IPSEC 3DES 0 NetScreen 5 ScreenOS 2 6 0r6 0 SonicWALL SOHO 2 0 WatchGuard Firebox II 1 ZyXEL VPN solution q Avaya VPN 0 Netopia VPN 4 M VPN The tested VPN softwares are shown below q Checkpoint VPN software 0 WIN2K VPN software 0 Soft PK VPN software D Linux FreeS WAN VPN SSH Sentinel Intel VPN client software Let s focus on the how to configure VPN tunnel on Prestige now 0 Prestige to Prestige Tunnel 86 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes As the figure shown below the tunnel between Prestige 1 and Prestige 2 ensures the packets flow between PC 1 and PC 2 are secure Because the packets go through the IPSec tunnel are encrypted
14. All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Netopia VPN Ill VPN 7T What VPN software that has been tested with P 793H v2 successfully We have tested P 793H v2 successfully with the following third party VPN software LE cd 0E Ed c E tcd cd E SafeNet Soft PK 3DES edition Checkpoint Software SSH Sentinel 1 4 SecGo IPSec for Windows F Secure IPSec for Windows KAME IPSec for UNIX Nortel IPSec for UNIX Intel VPN v 6 90 FreeS WAN for Linux SSH Remote ISAKMP Testing Page http isakmp test ssh fi cgi bin nph isakmp test Windows 2000 IPSec 8 Is the host behind NAT allowed to use IPSec NAT Condition Supported IPSec Protocol VPN Gateway embedded AH tunnel mode ESP tunnel NAT VPN client gateway behind NAT mode ESP tunnel mode NAT in Transport mode None The NAT router must support IPSec pass through For example for P 793H v2 SUA NAT routers The default port and the client IP have to be specified in menu 15 SUA Server Setup 34 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes 9 How dol configure P 793H v2 with NAT for intemal servers Generally without IPSec to configure an internal server for outside access we need to configure the server private IP and its service port in SUA NAT Server Table However if both NAT and IPSec is enabled in P 793H v2 the edit of the table is nec
15. Authentication Protocol KEN It is recommended that values in the 02xx to 1exx and xx01 to od f ranges not be assigned as they are compression inefficient Protocol field values in the Oxxx to 3xxx range identify the network layer protocol of specific datagrams and values in the 8xxx to bxxx range identify datagrams belonging to the associated Network Control Protocol NCP if any Protocol field values in the 4xxx to 7xxx range are used for protocols with low volume traffic which have no associated NCP Protocol field values in the Cxxx to exxx range identify datagrams as Control Protocols such as LCP c PPP LCP ANDIPCP CODES The Point to Point Protocol PPP Link Control Protocol LCP the Compression Control Protocol CCP Internet Protocol Control Protocol IPCP and other control protocols contain an 8 bit Code field which identifies the type of packet These Codes are assigned as follows Code Packet Type 0 Vendor Specific RFC2153 1 Configure Request 2 Configure Ack 3 Configure Nak 4 Configure Reject 5 Terminate Request 6 Terminate Ack 113 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes 7 Code Reject 8 Protocol Reject 9 Echo Request 10 Echo Reply 11 Discard Request 12 Identification 13 Time Remaining 14 Reset Request RFC1962 15 Reset Reply RFC1962 LCP Only CCP Only c PPP LCP CONFIGURATION OPTION TYPES
16. IP v s peer side dynamic IP In this case we need to use DDNS Dynamic Domain Name Service There are many different solutions for it 1 Prestige v s Prestige LAN Dynami Dynam LAN 2 ctis IP add IP add c iB PC 1 PC 2 Prestige A Prestige B IPSec Tunnel 93 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Solution 1 Step 1 In Prestige A please register a DDNS account from http www dyndns org or http dynupdate no ip com Setp 2 Enable DynDNS function on Prestige A via Web configurator Advanced gt Dynamic DNS And in VPN settings on Prestige A please specify the IP address of My IP as 0 0 0 0 and Secure Gateway as 0 0 0 0 Here we take P 793H v2 Web Configurator as the example Step 3 In Prestige B please specify the IP address of My IP as 0 0 0 0 and Secure Gateway as the domain name you registered for Prestige A Step 4 Please always initiate VPN tunnel from Prestige B on which Secure Gateway is configured as dynamic domain name Solution 2 Step 1 Register DynDNS account from http Avww dyndns org or http dynupdate no ip com for both PrestigeA amp PrestigeB Step 2 In PrestigeA configure My IP as 0 0 0 0 and Secure Gateway as the dynamic domain name of PrestigeB Step 3 In PrestigeB configure My IP as 0 0 0 0 and Secure Gateway as the dynamic domain name of PrestigeA Step 4 You can initiate VPN tunnel from PrestigeA or Prestige
17. In WEB Configurator Maintenance gt Diagnostic gt DSL Line gt DSL Line Status All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes co EIXZN DSL Line noise margin upstream 4910352 db output power downstream 34 db attenuation upstream 32 db tone 0 31 00 00 00 OO OO OO OO OO OO OO OO OO OO OO OO O0 tone 32 63 00 00 00 00 OO OO OO OO OO OO OO OO OO OO OO OO tone 64 95 00 00 00 00 OO OO OO OO OO OO OO OO OO OO OO OO tone 96 127 00 00 00 OO OO OO OO OO OO OO OO OO OO OO OO OO tone 128 159 00 00 00 00 OO OO OO OO OO OO OO OO OO OO OO OO tone 160 191 00 00 00 00 OO OO OO OO OO OO OO OO OO OO OO OO tone 192 223 00 00 00 00 OO OO OO OO OO OO OO OO OO OO OO OO tone 224 255 00 00 00 00 OO OO OO OO OO OO OO OO OO OO OO OO tone 256 287 00 00 00 00 OO OO OO OO OO OO OO OO OO OO OO OO tone 288 319 00 00 00 OO OO OO OO OO OO OO OO OO OO GO 00 GO tone 320 351 00 00 00 00 OO OO OO OO OO OO OO OO OO OO OO OO tone 352 383 00 00 00 00 OO OO OO OO OO OO OO OO OO OO OO OO z ATM Status Capture All Logs DSL Line Status b Reset ADSL Line 6 What are the signaling pins of the DSL connector The signaling pins on the P 793H v2 s DSL connector RJ11 cable are pin 3 and 4 for 2 wire mode and pin 2 3 4 and 5 for 4 wire mode 7 Whatis triple play More and more Telco ISPs are providing three kinds of services VolP Video and Internet over one existing DSL connection T
18. Layer 0025 Xerox NS IDP 0027 DECnet Phase IV 0029 AppleTalk 002b Novell IPX 002d Van Jacobson Compressed TCP IP 002f Van Jacobson Uncompressed TCP IP 0031 Bridging PDU 0033 Stream Protocol ST II 0035 Banyan Vines 0037 reserved until 1993 0039 AppleTalk EDDP 003b AppleTalk SmartBuffered 003d Multi Link RFC1717 003f NETBIOS Framing 0041 Cisco Systems 0043 Ascom Timeplex 0045 Fujitsu Link Backup and Load Balancing LBLB 0047 DCA Remote Lan 0049 Serial Data Transport Protocol PPP SDTP 004b SNA over 802 2 110 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL 004d 004f 0051 0053 0055 0057 006f 0071 0073 007d 007f 0081 0083 00c1 OOcf OO0fb OOfd OOff 02xx 1exx 0201 0203 0205 0207 0209 0231 0233 0235 0281 0283 4001 4003 4021 4023 P 793H v2 Support Notes SNA Pv6 Header Compression KNX Bridging Data ianp Encryption Meyer Individual Link Encryption Meyer Internet Protocol version 6 Hinden Stampede Bridging Reserved Fox MP Protocol Smith reserved Control Escape RFC1661 reserved compression inefficient RFC1662 Reserved Until 20 Oct 2000 IANA Reserved Until 20 Oct 2000 IANA NTCITS IPI Ungar reserved PPP NLPID single link compression in multilink RFC1962 compressed datagram RFC1962 reserved compression inefficient compression inefficient 802 1d Hello Packets IBM Source Routing BPDU DEC LANBridge100 Spanning Tree Cisco Discover
19. None 110 client IP SMTP None 25 client IP None for Chat mIRC For DCC please set Default Client IP None 1723 client IP 47 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL ICQ 99a ICQ 2000b ICQ Phone 2000b Cornell 1 1 Cu SeeMe White Pine 3 1 2 Cu SeeMe White Pine 4 0 Cu SeeMe Microsoft NetMeeting 2 1 amp 3 01 Cisco IP TV 2 0 0 RealPlayer G2 VDOLive Quaket1 06 Quakell2 30 Quakelll1 05 beta StartCraft Quick Time 4 0 pcAnywhere 8 0 IPsec ESP tunneling mode Microsoft Messenger Service 3 0 Microsoft Messenger Service 4 6 4 7 5 0 none UPnP Net2Phone P 793H v2 Support Notes None for Chat For DCC please set ICQ gt preference gt connections firewall and set the firewall time out to 80 seconds in firewall setting None for Chat None None 7648 client IP amp 24032 client IP 7648 client IP amp 24032 client IP None None None None None None None 6112 client IP None None None one client only 6901 client IP None for Chat File transfer Video and Voice None Network Time Protocol NTP None Win2k Terminal Server Remote Anything None None Virtual Network Computing None Default client IP None for Chat 6701 client IP 7648 client IP Default client IP Default client IP 1720 client IP 1503 client IP Default client IP Default client IP 5631 client IP 5632 client IP 22 client IP
20. Recovery Interval sec ICMP Timeout sec Traffic Redirect No Dial Backup No Press ENTER to Confirm or ESC to Cancel Oo QD nu ur O l OGOGO OGOGO n sesso i D c3 Menu 2 1 Traffic Redirect Setup Active No Configuration Backup Gateway IP Address 0 0 0 0 Metric 15 21 How to deal with Triangle Route and Traffic redirect Traffic redirect scenario bs Backup Gateway 1 Triangle route introduction 82 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes A traffic route is a path for sending or receiving date packets between two Ethernet devices Some companies have more than one alternate route to one or more ISPs If the LAN and ISP s are in the same subnet the triangle route problem may occur The steps below describe the triangle route problem 1 A computer on the LAN initiates a connection by sending out a SYN packet to a receiving server on the WAN 2 The P 793H v2 reroutes the SYN packet through Gateway B on the LAN to the WAN 3 The reply from WAN goes directly to the computer on the LAN without going through the P 793H v2 As a result the P 793H v2 resets the connection as the connection has not been acknowledged Triangle Route Problem LAN WAN La VN Internet 3 2 How to avoid triangle route 1 IP Aliasing The following network topology allows you to avoid triangle route security issues wh
21. a Telnet connection To access the P 793H v2 va SMT console port a computer equipped with communication software such as HyperTerminal must be configured to the following parameters gt VT100 terminal emulation 9600bps baud rate gt N81 data format No Parity 8 data bits 1 stop bit The default console port baud rate is 9600bps you can changeit to 115200bps in Menu 24 2 2 to speed up access of the SMT 3 How do I upload the ZyNOS firmware code via console The procedure for uploading via console is as follows 1 Enter debug mode when powering on the P 793H v2 using a terminal emulator 2 Enter ATUR to start the uploading 3 Use Xmodem protocol to transfer the ZyNOS code 4 Enter ATGO to restart the P 793H v2 ma 4 How do upgrade backup the ZyNOS firmware by using TFTP client program via LAN The P 793H v2 allows you to transfer the firmware from to P 793H v2 by using TFTP program via LAN The procedure for uploading via TFTP is as follows All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes 1 Use the TELNET client program in your PC to login to your P 793H v2 and use Menu 24 8 to enter Cl command sys stdio 0 to disable console idle timeout 2 To upgrade firmware use TFTP client program to put firmware in file ras in the P 793H v2 After data transfer is finished the P 793H v2 will program the upgraded firmware into FLASH ROM and reboot itself 3
22. destination IP address of each packet is the broadcast address of the network the router will broadcast the ICMP echo request packet to all hosts on the network If there are numerous hosts this will create a large amount of ICMP echo request packet the resulting ICMP traffic will not only clog up the intermediary network but will also congest the network of the spoofed source IP address known as the Mctim network This flood of broadcast traffic consumes all available bandwidth making communications impossible 12 What is IP Spoofing attack Many DoS attacks also use IP Spoofing as part of their attack IP Spoofing may be used to break into systems to hide the hacker s identity or to magnify the effect of the DoS attack IP Spoofing is a technique used to gain unauthorized access to computers by tricking a router or firewall into thinking that the communications are coming from within the trusted network To engage in IP Spoofing a hacker must modify the packet headers so that it appears that the packets originate from a trusted host and should be allowed through the router or firewall 13 Whatare the default ACL firewall rules in P 793H v2 There are two default ACLs pre configured in the P 793H v2 one allows all connections from LAN to WAN and the other blocks all connections from WAN to LAN except of the DHCP packets Configuration 1 How do I configure the firewall You can use the Web Configurator to configure the fire
23. following is an example for how to configure phase 1 ID ID type Content IP 202 132 154 1 DNS www zyxel com E mail support zyxel com tw Please note that in P 793H v2 if DNS or E mail type is chosen you can still use a random string as the content such as this is P 793H v2 It s not necessary to follow the format exactly By default P 793H v2 takes IP as phase 1 ID type for itself and it s remote peer But if it s remote peer is using DNS or E mail you have to adjust the settings to pass phase 1 ID checking 31 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes 15 When should use FQDN If your VPN connection is P 793H v2 to P 793H v2 and both of them have static IP address and there is no NAT router in between you can ignore this option Just leave Local Peer ID type as IP then skip this option If either side of VPN tunneling end point is using dynamic IP address you may need to configure ID for the one with dynamic IP address And in this case Aggressive mode is recommended to be applied in phase 1 negotiation P 793H v2 VPN 1 How do I configure P 793H v2 VPN You can configure P 793H v2 for VPN using SMT or Web configurator 2 What VPN protocols are supported by P 793H v2 P 793H v2 supports ESP protocol number 50 and AH protocol number 51 3 What types of authentication does P 793H v2 VPN support VPN vendors support a number of different authen
24. pop3 portmap portmap sunrpc P 793H v2 Support Notes 9 tcp sink null 9 udp sink null 11 tcp 11 tcp users 13 tcp 13 udp 15 tcp 17 tcp quote 17 udp quote 19 tcp ttytst source 19 udp ttytstsource 20 tcp 21 tcp 23 tcp 25 tcp mail 37 tcp X timserver 37 udp timserver 39 udp resource resource location 42 tcp nameserver 42 udp nameserver 43 tcp nicname usually to sri nic 53 tcp nameserve name domain server 53 udo nameserver 53 tcp domain name domain server 53 udp domain 57 tcp deprecated 67 udp boot program server 69 udp 77 tcp netrjs 79 tcp 87 tcp ttylink 95 tcp 101 tcp hostname usually from sri nic 102 tcp 103 tcp webster 103 tcp ISO Mail 104 tcp 105 tcp 109 tcp postoffice 109 tcp Post Office 110 tcp postoffice 111 tcp 111 udp 111 tcp 123 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes sunrpc 111 udp auth 113 tcp authenticatior sftp 115 tcp path 117 tcp uucp path 117 tcp nntp 119 tcp usenet Network News Transfer ntp 123 udp ntpdntp network time protocol nbname 137 udp nbdatagram 138 udp nbsession 139 tcp NeWS 144 tcp news sgmp 153 udp sgmp tcprepo 158 tcp repository PCMAIL snmp 161 udp snmp snmp trap 162 udp snmp print srv 170 tcp network PostScript vmnet 175 tcp load 315 udp vmnetO 400 tcp sytek 500 udp biff 512 udp comsat exec 512 tcp login 513 tcp who 513 udp whod shell 514 tcp cmd no passwords used sy
25. receiving any SNMP get or set requirement with wrong community this trap is sent to the manager 6 why Reboot defined in ZY XEL MIB When the system is going to restart warm start the trap will be sent with the reason of restart before rebooting 1 For intentional reboot In some cases download new files Cl command sys reboot reboot is done intentionally And traps with the message System reboot by user will be sent 2 For fatal error System has to reboot for some fatal errors Andtraps with the message of the fatal code will be sent Products 1 pSysVariables Group pBRIVariables Group pIPXVariables Group pAPTVariables Group pBR6Variable Group pDialInVariables Group pRemoteNodeVariables Group pRemoteUserVariables Group Zyxel Traps Fiqure 3 ZyXEL Private MIB Tree 4 Configure the P 793H v2 for SNMP 66 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Prestige The SNMP related settings in P 793H v2are configured in Web Configurator Advanced Setup Advanced gt Remote MGNT gt SNMP The following steps describe a simple setup procedure for configuring all SNMP settings SNMP SNMP Port 161 Access Status LAN amp WAN M g x S tured Client IP Oall Gselected 192 168 1 33 L SNMP Configuration Get Community public Set Community public TrapCommunity public apDestination 192 168
26. still usable 18 When do need DDNS service When you want your internal server to be accessed by using DNS name rather than using the dynamic IP address we can use the DDNS service The DDNS server allows to alias a dynamic IP address to a static hostname Whenever the ISP assigns you a new IP the P 793H v2 sends this IP to the DDNS server for its updates 19 What is DDNS wildcard Does the P 793H v2support DDNS wildcard Some DDNS servers support the wildcard feature which allows the hostname yourhost dyndns org to be aliased to the same IP address as yourhost dyndns org This feature is useful when there are multiple servers inside and you want users to be able to use things such as www yourhost dyndns org and still reach your hostname Yes the P 793H v2 supports DDNS wildcard that http www dyndns org supports When using wildcard you simply enter yourhost dyndns org in the Host field in Menu 1 1 Configure Dynamic DNS 20 Can the P 793H v2 s SUA handle IPSec packets sent by the IPSec gateway Yes the P 793H v2 s SUA can handle IPSec ESP Tunneling mode We know when packets go through SUA SUA will change the source IP address and source port for the host To pass IPSec packets SUA must understand the ESP packet with protocol number 50 replace the source IP address of the IPSec gateway to the router s WAN IP address However SUA should not change the source port of the UDP packets which are used for key managements
27. structure of EAP Request and Response packets RFC2284 1 Identity RFC2284 2 Notification RFC2284 3 Nak Response only RFC2284 4 MD5 Challenge RFC2284 5 One Time Password OTP RFC2289 6 Generic Token Card RFC2284 7 8 9 RSA Public Key Authentication Whelan 10 DSS Unilateral Nace 11 KEA Nace 12 KEA VALIDATE Nace 13 EAP TLS Adoba 14 Defender Token AXENT Rosselli PPP VENDOR SPECIFIC OUI OPTIONS There are some provisions in some PPP message formats for vendor specific options to be identified by the Organisationally Unique Identifier OUI namely the first three octets of a Vendor s Ethernet address assigned by IEEE 802 RFC1968 RFC2153 These are listed in the ethernet numbers file see http www iana org in notes iana assignments ethernet numbers 2 Port Numbers The following list contains port numbers for well known services as defined by RFC 1060 Assigned Numbers Format lt service name gt lt portnumber gt lt protocol gt aliases lt comment gt echo 7Acp echo 7 udp 122 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL discard discard systat systat daytime daytime netstat qotd qotd chargen chargen ftp data ftp telnet smtp time time rip name name whois domain domain nameserver nameserver mtp bootp tftp rje finger link supdup hostnames iso tsap dictionary x400 x400 snd csnet ns pop pop2
28. that Wildcard option is available only when the provider is http w ww dyndns org 11 Network Management Using SNMP 4 ZyXEL SNMP Implementation ZyXEL currently includes SNMP support in some P 793H v2 routers It is implemented based on the SNMP vi so it will be able to communicate with SNMPv1 NMSs Further users can also add ZyXEL s private MIB in the NUS to monitor and control additional system variables The Zy XEL s private MIB tree is shown in figure 3 For SNMP v1 operation ZyXEL permits one community string so that the router can belong to only one community and allows trap messages to be sentto only one NMS manager Some traps are sent to the SNMP manager when anyone of the following events happens 1 coldStart defined in RFC 1215 If the machine coldstarts the trap will be sent after booting 2 warmStart defined in RFC 1215 If the machine warmstarts the trap will be sent after booting 3 linkDown defined in RFC 1215 If any link of IDSL or WAN is down the trap will be sent with the port number The port number is its interface index under the interface group 4 linkUp defined in RFC 1215 If any link of IDSL or WAN is up the trap will be sent with the port number The port number is its interface index under the interface group 65 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes 5 authentication Failure defined in RFC 1215 When
29. the same exact range of private IP addresses This will make VPN destination addresses and the local LAN addresses are indistinguishable and VPN will not work 4 Secure Gateway IP Address This must be a public routable IP address private IP is not allowed That means it can not be in the 10 x x x subnet the 192 168 x x subnet nor in the range 172 16 0 0 172 31 255 255 these address ranges are reserved by internet standard for private LAN numberings behind NAT devices It is usually a static IP so that we can pre configure it in P 793H v2 for making VPN connections If itis a dynamic IP given by ISP you still can configure this IP address after the remote P 793H v2 is on line and its WAN IP is available from ISP 5 Does P 793H v2 support dynamic secure gateway IP If the remote VPN gateways use dynamic IP we enter 0 0 0 0 as the Secure Gateway IP Address in P 793H v2 In this case the VPN connection can only be initiated from dynamic side to fixed side in order to update its dynamic IP to the fixed side However if both gateways use dynamic IP addresses it is no way to establish VPN connection at all 6 What VPN gateway that has been tested with P 793H v2 successfully We have tested P 793H v2 successfully with the following third party VPN gateways o Cisco 1720 Router IOS 12 2 2 XH IP DSL FW IDS PLUS IPSEC 3DES NetScreen 5 ScreenOS 2 6 0r6 SonicWALL SOHO 2 WatchGuard Firebox II ZyXEL P 793H v2 Avaya VPN 33
30. to let this class to borrow bandw idth from Use All it s parents w hen the required bandw idth is higher than the configured Managed amount Do not check this if you w antto limit the bandw idth of this class Bandwidth at the configured value Please note that you should also disable Maximize Bandw idth Usage on the interface to meet the condition Service Select User defined SIP FTP or H 323 to specify the traffic types Destination Enter the IP address of destination that meets this class IP Address Destination Subnet Enter the destination subnet mask Mask Een Enter the destination port number of the traffic Port Enter the IP address of source that meats this class Note that for traffic Source i from LAN to WAN since BWM is before NAT you should use the IP pads address before NAT processing Source Subnet Enter the destination subnet mask Mask 78 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Source Port Enter the source port number of the traffic Enter the protocol number for the traffic 1 for ICMP 6 for TCP or 17 for Protocol ID UDP After configuration BWM youcan check current bandwidth of the configured traffic in Web Configurator Advanced Setup Advanced gt Bandwidth MGMT gt Monitor 18 How to configure packet filter on P 793H v2 The P 793H v2 allows you to configure up to twelve filter sets with six rules in each set for a
31. total of 72 filter rules in the system You can apply up to four filter sets to a particular port to block multiple types of packets With each filter set having up to six rules you can have a maximum of 24 rules active for a single port The packet filter on P 793H v2 is configured in SMT menu 21 1 19 How could I configure triple play on P 793H v2 The common triple play scenario is as follows IP DSLAM VL Switch CPE Access Network Triple Play is a port based policy to forward packets from different LAN port to different PVCs thus we could assign different parameters to the PVC CBR UBR VBR RT VBR nRT to guarantee different applications We could configure triple play on P 793H v2 in SMT menu 24 8 as below 8021Q groupset groupid vid LAN index P VC WLAN PWR USB tagged untagged 79 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes For example 802 groupset 1 1 LAN 1 PVC 1 untagged 802 groupset 2 2 LAN 2 PVC 2 untagged 802 groupset 3 3 LAN 3 PVC 3 untagged The traffic from Ethernet port 1 must be forwarded to PVC1 vice versa The traffic from Ethernet port 2 must be forwarded to PVC2 vice versa The traffic from Ethernet Port 3 must be forwarded to PVC3 vice versa Note Only the group vid matches management vid PC in this group could manage the devce 20 How to setup traffic redirect in P 793H v2 Configure parameters in WEB Configurati
32. 0 to IGA3 Edit Address Mapping Rule4 Local Start IP N A Local End IP N A Global Start IP Global End IP NZA Server Mapping Set 2 Edit Details Menu Network gt NAT gt Address Mapping should look as follows now Address Mapping Address Mapping Rules EB Local Start IP Local End IP Global Start IP Global End IP x 5 1 1 g 192 168 1 10 200 0 0 1 192 168 1 11 200 0 0 2 1 1 255 255 255 0 200 0 0 3 M 1 a 200 0 0 3 E Server wCanauner wn HM TARERE E Eb EP ED E E E E Bb o Step 3 Now we configure all other incoming traffic to go to our web server and mail server from Web Configurator Advanced Setup Network gt NAT gt Port Forwarding 4 Support Non NAT Friendly Applications 62 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Some servers providing Internet applications such as some mIRC servers do not allow users to login using the same IP address In this case it is better to use Many to Many No Overload or One to One NAT mapping types thus each user login to the server using a unique global IP address The following figure illustrates this User 1 ILA1 192 168 110 Prestige User 2 ILA2 192 168 1 11 User 3 ILA3 192 168 1 12 3 ILAs lt gt 3 IGAS 3 ILAs map to 3 IGAs using Many to Many No Overload or One to One t One rule configured for using Many to Many No Overload mapping
33. 3 66 113 2 When a dial up connection to ISP is established a default gateway is assigned to the router traffic through that connection Therefore the output below shows the default gateway of the Win9x client after the dial up connection has been established 54 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Before making a VPN connection from the Win9x client to the NT server you need to know the exact Internet IP address that the ISP assigns to P 793H v2 router in SUA mode and enter this IP address in the VPN dial up dialog box You can check this Internet IP address from PNC Monitor or Web Configurator Status gt WAN Information If the Internet IP address is a fixed IP address provided by ISP in SUA mode then you can always use this IP address for reaching the VPN server In the following example the IP address 140 113 1 225 is dynamically assigned by ISP You must enter this IP address in the VPN Server dialog box for reaching the PPTP server After the VPN link is established you can start the network protocol application such as IP IPX and NetBEUI z Connect To L2 x User name peto Password ran e YPN server 140 113 1 225 coos 9 Using Full Feature NAT When P 793H v2 isin Routing mode you can select NAT Option as Full Feature in Network gt NAT gt Genaral General NAT Setup V Active Network Address Translation N
34. 43 5 Whatisthe checklist for making at 4 Back to Back connection over P 793H v2 44 6 Whatisthe checklist for making a 1 2 Back to Back connection over P 793H v2 MODE DIETO E A G 7 Setup the P 793H v2 asa DHCP Relay ERR e 8 SUA Notes ix A AO 9 Using Full Feature NAT Et 10 Using the Dynamic DNS DDNS o 11 Network Sii al Using SNMP a OD 12 Using syslog S 13 Using IP Alias M OENAE OS 14 Using IP Policy Routing jn cuu ce Done Un ci nanen dati potaea v de Geral FU All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes 15 Using Call Scheduling coerente renun nu mnnn nnmnnn nnana TO 16 Using IP Multicast ERES A 17 Using Bandwidth Management r O 18 How to configure packet filter on P 793H v22 A 19 How could I configure triple play on P 793H v2 79 20 How to setup traffic redirect in P 793H v2 80 21 How to deal with Triangle Route and Traffic redi rect vesc rii ic D 22 How to setup Dial Backup s nnmn nu nnana mannanna OD IPSEC VPN Application Notes LLluu 86 1 How to use P 793H v2 to bu
35. 793H v2 Support Notes IPX Node Number RFC1552 IPX Compression Protocol RFC 1552 IPX Routing Protocol RFC1552 IPX Router Name RFC1552 IPX Configuration Complete RFC1552 OORUN 1 IPX COMPRESSION PROTOCOL VALUES Value Protocol Reference 2 Telebit Compressed IPX Fox 235 Shiva Compressed NCP IPX Fox 1 IPXROUTING PROTOCOL OPTIONS Value Protocol Reference No routing protocol required RFC1552 RESERVED RFC1552 Novell RIP SAP required RFC 1552 Novell NLSP required RFC1552 Novell Demand RIP required RFC1582 Novell Demand SAP required RFC1582 Novell Triggered RIP required Edmonstone Novell Triggered SAP required Edmonstone ONOaAR NM O NBFCP Configuration Options NBFCP Configuration Options RFC 2097 allow modifications to the standard characteristics of the network layer protocol to be negotiated If a Configuration Option is not included in a Configure Request packet the default value for that Configuration Option is assumed NBFCP uses the same Configuration Option format defined for LCP with a separate set of Options Current values are assigned as follows Name Projection Peer Information Multicast Filtering IEEE MAC Address Required ROD 121 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes gt PPPEAPREQUEST RESPONSE TYPES A one octet field is used in the Extensible Authentication Protocol EAP to indicate the function and
36. 793H v2 for routing IPSec packets over SUA 22 Whati is S VLAN e 23 802 1Q 1P dg rrr LO 24 What is Traffic Redirect D F 25 What is Dial Backup A veuecetecuts 17 DSL PAG isc Send cee aiid Geleeee ieee ees eee Lu Mat EU ut 17 1 How does DSL compare to Cable modems 17 2 How do know the DSL line is up M EI 3 How does the P 793H v2 work on a noisy DSL RET 18 4 Doesthe VC based ink aea RO better than the LLC based multiplexing seis 18 5 How do I know the details of my DSL line statistics PIDE 6 What are the signaling pins of the DSL connector 19 7T Whatistriple UU RN es Onin ert ee ener Cate 19 Firewall FAQ 2c 2c2cc2cceectetateteten aaa ect gn etit sie 20 Genera atc DP EES COnDfIgufdlioi cor crede mu wn ne nn ctr we u mn nse vein cum oid na deae ao wnan aeaaea DO oeil CEPR IPSec FAQ coe os2cn262uodonsoolcodoowdunei cR coE nere E 28 NV PN OVGRVICW asodun i renes vcre riae sie centaur rc cen gue ve punk un 20 Application Noles oso etate bte be cS Sh 38 General Application Notes 38 1 Internet Access Using P 793H v2 under Bridge mode 38 2 Internet Access Using P 793H v2 under Routing mode 40 3 Internet Access scenarios eese d2 4 Back to back scenarios oues
37. 92 UDP 192 168 1 33 137 gt 192 168 1 255 137 MPOROO RI00601 MPOROO RI00601 MPOROO RIO00601 MPOROO RIO0O60 1 MPOROO RIO0O601 MPOROO RIO0O0601 MPOROO RIO0O601 MPOROO RIOO601 MPOROO RIOO601 MPOROO RI00921 Ethernet Packet Ethernet Packet ARP Request 172 25 21 163 gt 172 25 21 91 Ethernet Packet Ethernet Packet Ethernet Packet Ethernet Packet ARP Request 172 25 21 254 gt 172 25 21 71 Ethernet Packet Ethernet Packet ARP Request 172 25 21 254 gt 172 25 21 71 Ethernet Packet Ethernet Packet ARP Request 172 25 21 101 gt 172 25 21 179 Ethernet Packet Creates a file of all incoming text 2 Firmware Configurations Uploading and Downloading using TFTP 103 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes 01 Using TFTP client software 1 Upload download Zy NOS via LAN Upload download P 793H v2 configurations via LAN 1 Using TFTP to upload download ZyNOS via LAN Step 1 TELNET to your P 793H v2 first before running the TFTP software Step 2 Type the Cl command sys stdio 0 to disable console idle timeout in CommandLine Interface CLI Step 3 Run the TFTP client software Step 4 Enter the IP address of the P 793H v2 Step 5 To upload the firmware please save the remote file as ras to P 793H v2 After the transfer is complete the P 793H v2 will program the upgraded firmware into FLASH ROM and reboot itself An example f TFI
38. A2 ILA3 lt gt IGA3 One to One ILA4 IGA4 Server 1 IP lt gt IGA1 Sener Server 2 IP lt gt IGA1 14 How many network users can the SUA NAT support The P 793H v2 does not limit the number of the users but the number of the NAT sessions The P 793H v2 supports 2048 sessions that you can use the ip nat session command in CLI to see You can also use ip nat hashTable wanifO to view the current active NAT sessions Or you can check it in below WEB Configurator All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes gt Network gt Advanced gt NAT NAT Setup Active Network Address Translation MAT 9 SUA Only O Full Feature Max NAT Firewall Session Per User 2048 aeei ance 15 What are Device filters and Protocol filters In ZyNOS the filters have been separated into two groups One group is called device filter group and the other is called protocol filter group Generic filters belong to the device filter group TCP IP and IPX filters belong to the protocol filter group You can configure the filter rule in SMT Note In ZyNOS you can not mix different filter groups in the same filter set 16 How can I protect against IP spoofing attacks The P 793H v2 s filter sets provide a means to protect against IP spoofing attacks The basic scheme is as follows For the input data filter Deny packets from the outside that cla
39. AT SUA Only Max NAT Firewall Session Per User 512 Apply Cancel Key Settings Field Options Description When you select this option you can select Network Address Full Feature ae Mapping Set dia 1 8 in the Translation pping pull dow n menu on the right 55 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes None NAT is disabled w hen you selectthis option When you select this option this remote node willuse default SUA Address Mapping Set Youcan see it in CLI by command ip nat SUA Only lookup 255 lts a read only sets with tw o rules Many to One and server mapping Select Full Feature when you require other mapping types Configuring NAT The P 793H v2 has 8 remote nodes and so allows you to configure 8 NAT Address Mapping Sets You must specify which NAT Address Mapping Set 178 to use in the remote node when you select Full Feature NAT You can edit 10 rules for each Address Mapping Set You can edit the rules for Address Mapping Sets 1 in Web Configurator The other Address Mapping Sets 22 8 can only be configured in CLI Command Line Interface The NAT Server Set is a list of LAN side servers mapped to external ports We can configure it in Web Configurator Advanced Setup Network gt NAT gt Port Forwarding To use the NAT server sets you ve configured a Server rule must be set up inside the NAT Address Mapping set Please see NAT Server Sets for f
40. ATION OPTION TYPES The Point to Point Protocol PPP Apple Talk Control Protocol ATCP specifies a number of Configuration Options RFC 1378 which are distinguished by an 8 bit Type field These Types are assigned as follows Type Configuration Option 1 AppleTalk Address 2 Routing Protocol 3 Suppress Broadcasts 118 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes AT Compression Protocol Reserved Server information Zone information Default Router Address ONOoF 1 PPP OSINLCP CONFIGURATION OPTION TYPES The Point to Point Protocol PPP OSI Network Layer Control Protocol OSINLCP specifies a number of Configuration Options RFC1377 which are distinguished by an 8 bit Type field These Types are assigned as follows Type Configuration Option 1 Align NPDU 1 PPP BANYAN VINES CONFIGURATION OPTION TYPES The Point to Point Protocol PPP Banyan Vines Control Protocol B VCP specifies a number of Configuration Options RFC1 763 which are distinguished by an 8 bit Type field These Types are assigned as follows Type Configuration Option 1 BV NS RTP Link Type 2 BV FRP 3 BV RTP 4 BV Suppress Broadcast 1 PPP BRIDGING CONFIGURATION OPTION TYPES The Point to Point Protocol PPP Bridging Control Protocol BCP specifies a number of Configuration Options which are distinguished by an 8 bit Type field These Types are assigned as follows Type Configuration Option 1
41. B by this solution 2 Prestige v s 3rd Party This is highly dependent on which kind of 3rd party you use Generally speaking this 3rd party VPN solution must support either of the two items Support DDNS for update of its dynamic WAN IP If Prestige is to be the VPN initiator 0 Support Secure Gateway can be configured by Domain Name If Prestige is to be the VPN responder 3 Configure NAT for internal servers Some tips for this application 94 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Generally without IPSec to configure an internal server for outside access we need to configure the server private IP and its service port in SUA NAT Server Table The NAT router then will forward the incoming connections to the internal server according to the service port and private IP entered in SUA NAT Server Table However if both NAT and IPSec is enabled in Prestige the edit of the table is necessary only if the connection is a non secure connections For secure connections none SUA server settings are required since private IP is reachable in the VPN case Remember IPSec is an IP in IP encapsulation the internal IP header is not translated by NAT For example Internal Server Prestige NAT IPSec ADSL Modem Internet Remote Network 4 VPN Routing between Branch Office through Headquarter This page guides us how to setup VPN routing between branch of
42. Because the remote gateway checks this source port during connections the port thus is not allowed to be changed 21 How do setup my P 793H v2 for routing IPSec packets over SUA For outgoing IPSec tunnels no extra setting is required All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes For forwarding the inbound IPSec ESP tunnel A Default server set is required You could configure it in Web Configurator Advanced Setup Network gt NAT Port Forwarding Default Server Setup gt Network gt NAT gt Port Forwarding Default Server Setup lt Default Server 0 0 0 0 Bee Port Forwarding Service Name WWW X Server IP Address 0 0 0 0 Add EAE Pe statror endPor server IP Address RET T Apply Cancel Itis because SUA makes your LAN appear as a single machine to the outside world LAN users are invisible to outside users So to make an internal server for outside access we must specify the service port and the LAN IP of this server in Web configurator Thus SUA is able to forward the incoming packets to the requested service behind SUA and the outside users access the server using the P 793H v2 s WAN IP address So we have to configure the internal IPsec client as a default server unspecified service port when it acts a server gateway 22 What is VLAN A VLAN Virtual Local Area Network allows a physical network to be partitioned into mu
43. Bridge Identification 2 Line Identification 3 MAC Support 4 Tinygram Compression 5 LAN Identification 119 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes 6 MAC Address 7 Spanning Tree Protocol 1 PPP BRIDGING MAC TYPES The Point to Point Protocol PPP Bridging Control Protocol BCP contains an 8 bit MAC Type field which identifies the MAC encapsulated These Types are assigned as follows Type MAC 0 Reserved 1 IEEE 802 3 Ethernet with cannonical addresses 2 IEEE 802 4 with cannonical addresses 3 IEEE 802 5 with non cannonical addresses 4 FDDI with non cannonical addresses 5 10 reserved 11 IEEE 802 5 with cannonical addresses 12 FDDI with cannonical addresses 1 PPP BRIDGING SPANNING TREE The Point to Point Protocol PPP Bridging Control Protocol BCP Spanning Tree Configuration Option contains an 8 bit Protocol field which identifies the spanning tree used These are assigned as follows Protocol Spanning Tree 0 Null no spanning tree protocol supported 1 IEEE 802 1D spanning tree protocol 2 IEEE 802 1G extended spanning tree protocol 3 IBM source route spanning tree protocol 4 DEC LANbridge 100 spanning tree protocol gt PPP INTERNETWORK PACKET EXCHANGE CONTROL PROTOCOL IPXCP IPXCP CONFIGURATION OPTIONS Option Description Reference 1 IPX Network Number RFC1552 120 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P
44. CI command sys logs disp You can also view Centralized logs via mail or syslog please configure mail server or Unix Syslog server in Web configuration Advanced Setup Maintenance Logs gt Log Settings 27 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes 4 When does the P 793H v2 generate the firewall alert The P 793H v2 generates the alert when an attack is detected by the firewall and sends it via Email So to send the alert you must configure the mail server and Email address using Web Configurator Advanced Setup Maintenance gt Logs Log Settings You can also specify how frequently you want to receive the alert in it 5 Whatisthe difference between the log and alert A log entry is just added to the log inside the P 793H v2 and e mailed together with all other log entries at the scheduled time as configured An alert is e mailed immediately after an attacked is detected IPSec FAQ VPN Overview 1 Whatis VPN A VPN gives users a secure link to access corporate network over the Internet or other public or private networks without the expense of lease lines A secure VPNis a combination of tunneling encryption authentication access control and auditing technologies services used to transport traffic over the Internet or any insecure network that uses the TCP IP protocol suite for communication 2 Why dol need VPN There are some reasons to use a VPN Th
45. Control Protocol CCP PPP Serial Data Transport Protocol SDTP to indicate the option type RFC1963 SDCP Option Configuration Element Packet Format RFC 1963 Header Type RFC1963 Length Field Present RFC1963 Multi Port RFC1963 Transport Mode RFC1 963 Maximum Frame Size RFC1963 Allow Odd Frames RFC1963 FCS Type RFC1963 Flow Expiration Time RFC1963 OON DOA AON Note that Option Types 5 8 are specific to a single port and require port numbers in their format Option Types 6 8 are specific to the HDLC Synchronous Transport Mode c PPP AUTHENTICATION ALGORITHMS 116 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes A one octet field is used in the Challenge Handshake Authentication Protocol CHAP to indicate which algorithm is in use RFC1994 0 Reserved RFC1994 1 Reserved RFC1994 2 Reserved RFC1994 3 Reserved RFC1994 4 Reserved RFC1994 5 CHAP with MD5 RFC1994 128 MS CHAP Crocker PPP LCP FCS ALTERNATIVES The Point to Point Protocol PPP Link Control Protocol LCP FCS Alternatives Configuration Option contains an 8 bit Options field which identifies the FCS used These are assigned as follows Bit FCS 1 Null FCS 2 CCITT 16 Bit FCS 4 CCITT 32 bit FCS PPP MULTILINK ENDPOINT DISCRIMINATOR CLASS The Point to Point Protocol PPP Link Control Protocol LCP Multilink Endpoint Discriminator Option includes a Class field which identifi
46. E General Routing Encapsulation Tony Li 48 MHRP Mobile Routing Protocol David 49 BNA BNA Gary 50 ESP Encap Payload for IPv6 RFC1827 51 AH Authenticatior Header for IPv6 RFC1826 52 I NLSP Integrated Layer Security TUBA GLENN 53 SWIPE Net tion J16 54 NARP NBMA Address esolution Protocol RFC1735 55 MOBILE R Perkins 56 TLSP Transport Layer Security Protocol Oberg using Kryptonet key management 57 SKIP SKIP Markson 58 IPv6 ICMP ICMP IPv6 RFC1883 59 IPv6 NoNxt No Next Header for IPv6 RFC1883 60 IPv6 Opts Destination Options for IPv6 RFC1883 61 any host internal protocol IA NA 62 CFTP CFTP CFTP HCF2 63 any local network IA NA 64 SAT EXPAK SATNET and Backroom EXPAK SHB 127 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes 65 KRYPTOLAN Kryptolan PXL 1 66 RVD MIT Remote Disk Protocol MBG 67 IPPC Internet Pluribus Packet Core SHB 68 any distributed file system IANA 69 SAT MON SATNET Monitoring SHB 70 VISA VISA Protocol GXT1 T1 IPCV Interne Packet Core Utility SHB T2 CPNX Computer Protocol Network Executive DXM2 173 CPHB Computer Protocol Heart Beat DXM2 74 WSN Wang Span Network VXD 75 PVP Packet Video Protocol SC3 76 BR SAT MON Backroom SATNET Monitoring SHB TT SUN ND SUN ND PROTOCOL Temporary WM3 78 WB MON WIDEBAND Monitoring SHB 79 WB EXPAK WIDEBAND EXPAK SHB 80 ISO IP ISO Internet Protocol MTR 81 VMTP VMTP DRC3 82 SECUR
47. E VMTP SECURE VMTP DRC3 83 VINES VINES BXH 84 TTP TTP JXS 85 NSFNET IGP NSFNET IGP HWB 86 DGP Dissimilar Protocol DGP ML109 87 TCF TCF GAL 5 88 EIGRP EIGRP CISCO GXS 89 OSPFIGP OSPFIGP RFC1583 JT M4 90 Sprite RPC Sprite RPC Protocol SPRITE BXW 91 LARP Locus Address Resolution Protocol BXH 92 MTP Multicast Transport Protocol SXA 93 AX 25 AX 25 Frames BK29 94 IPIP IP within IP Encapsulation Protocol JI6 95 MICP Mobile Internetworking Control Pro JI6 96 SCC SP Semaphore Communications Sec Pro HXH 97 ETHERIP Ethernet within IP Encapsulation RXH1 98 ENCAP Encapsulation Header RFC1241 RXB3 99 any private encryption scheme IANA 100 GMTP GMTP RXB5 101 IFMP Ipsilon Management Protocol Hinden 102 PNNI PNNI over IP Callon 103 PIM Protocol Multicast Farinacci 104 ARIS ARIS Feldman 105 SCPS SCPS Durst 106 QNX QNX Hunter 107 A N Active Networks Braden 108 IPPCP IP Payload Compression Protocol Doraswamy 128 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL 109 110 111 112 113 114 115 116 254 255 SNP Compaq Peer IPX in IP VRRP POM L2TP P 793H v2 Support Notes Sitara Networks Protocol Sridhar Compaq Peer Protocol Volpe IPX in IP Lee Virtual Router Redundancy Protocol Hinden PG Reliable Transport Protocol Speakman any 0 hop protocol IANA Layer Two Tunneling Protocol Aboba Unassigned IANA Reserved IANA All contents copy righ
48. EL Communications Corporation ZyXEL P 793H v2 Support Notes Add an user account for PPTP logged on user 0 Enable RAS port 0 Select the network protocols from RAS such as IPX TCP IP NetBEUI T Set the Internet gateway to P 793H v2 2 PPTP client setup Win9x 0 Add one VPN connection from Dial Up Networking by entering the correct username amp password and the IP address of the P 793H v2 s Internet IP address for logging to NT RAS server q Set the Internet gateway to the router that is connecting to ISP 3 P 793H v2 setup 0 Before making a VPN connection from Win9x to WinNT server you need to connect P 793H v2 router to your ISP first Enter the IP address of the PP TP server WinNT server and the port number for PPTP as shown below Select service name as PPTP fill in the Server IP Address then press button Add Port Forwarding Default Server Setup Default Server 0 0 0 0 Port Forwari ding R Serice Name PPTP ov Server IP Address 192 168 1 10 gt Add gt Service Nama atret endfor ServeriP Address Roa Apply Cancel When you hawe finished the above settings you can ping to the remote Win9x client from WinNT This ping command is used to demonstrate that remote the Win9x can be reached across the Internet If the Internet connection between two LANs is achievable you can place a VPN call from the remote Win9Xx client For example C ping 20
49. H v2 dcutess T 3 Whatisthe default password for Web Configurator ues A 4 What sthe difference between Common User Account and Administrator Account 11 5 How do I know the P 793H v2 s WAN IP address s assigned byt the ISP ates ows zs 11 6 What do I need before using the SHDSL C 7 What should I do when the power PWR LED isoff spelen 2 8 How to debug while DSL LED is off 12 9 How dol verify my PC s IP address assigned by the P 793H v22 12 10 What is Traffic Shaping duudtexton E 2 11 What do the parameters PCR SCR MBS mean ERE 12 12 What do ATM QoS Types CBR UBR VBR nRT VBR R mean E dd 13 Why dov we re perform traffic shapingi in n the P 793H v22 airiran S 14 The P 793H v2 supports Bridge and Router mode what s the difference between them 2 C 15 How dol know am using PPPoE AG 16 Why does my provider use PPPOE s 14 17 What is DDNS N EE n 18 When do I need DDNS service Na PO All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes 19 What is DDNS wildcard Does the P 793H eres DDNS wildcard 20 Can the P 793H v2 S SUA handle IPSec packets sent by the IPSec gateway oer 15 21 How do I setup my P
50. HIP Direction None Uersion RIP 1 Incoming protocol filters flutgoing protocol filters IP Alias 8 amp 7 No IP Rddress N R IP Subnet Mask N R RIP Direction N A Version N A Incoming protocol filters N A Outgoing protocol filters N A Or by commands in CLI lan index index number Usage index number 1 main LAN 2 IP Alias 3 IP Alias 2 lan filter lt incoming outgoing gt lt tcpip generic gt set Usage set the corresponding filter set number you ve configured lan save IP Alias Setup 1 Edit the first network in Web Configurator Advanced Setup Network gt LAN gt IP DHCP Setup by configuring the P 793H v2 s first LAN IP address Key Settings DHCP If the P 793H v2 s DHCP server is enabled the IP pool forthe clients can Setup be any of the three netw orks TCP IP Enter the first LAN IP address for the P 793H v2 This will create the first Setup route 2 Edit the second and third networks in Network gt LAN gt IP Alias by configuring the P 793H v2 s second and third LAN IP addresses Key Settings 70 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Active it and enter the second LAN IP address for the P 793H v2 This w illcreate the second route in the enif0 0 interface Active it and enter the third LAN IP address for the P 793H v2 This will create the third route in the enif0 1 interface IP Alias 1 IP Alias2 14 Us
51. IP Pool Starting Address N A Size of Client IP Pool N A Primary DNS Server N A Secondary ONS Server N A Remote DHCP Server 0 0 0 0 TCP IP Setup Or via the following command in CLI Ip dhcp enifO mode relay Ip dhcp enifO relay server Server IP Address 8 SUA Notes Tested SUA NAT Applications e g Cu SeeMe ICQ NetMeeting 46 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Prestige Cu SeeMe Player Cu SeeMe Player Introduction Generally SUA makes your LAN appear as a single machine to the outside world LAN users are invisible to outside users However some applications such as Cu SeeMe and ICQ will need to connect to the local user behind the P 793H v2 In such case a SUA server must be configured to forward the incoming packets to the true destination behind SUA After the required server are configured in Web Configurator Advanced Setup Network gt NAT gt Port Forwarding the internal server or client applications can be accessed by using the P 793H v2 s WAN IP Address SUA Supporting Table The following are the required W eb Configurator Advanced Setup Network gt NAT gt Port Forwarding for the various applications running SUA mode ZyXEL SUA Supporting Table Required Settings in Port Forwarding Port IP HTTP None 80 client IP FTP None 21 client IP TELNET None 23 client IP and active Telnet service from WAN POP3
52. P can be used to protect either an entire IP payload or only the upper layer protocols of an IP payload Transport mode is mainly for an IP host to protect the data generated locally while tunnel mode is for security gateway to provide IPSec service for other machines lacking of IPSec capability In this case Transport mode only protects the upper layer protocols of IP payload user data Tunneling mode protects the entire IP payload including user data There is no restriction that the IPSec hosts and the security gateway must be separate machines Both IPSec protocols AH and ESP can operate in either transport mode and tunnel mode 9 WhatisSA A Security Association SA is a contract between two parties indicating what security parameters such as keys and algorithms they will use 10 What is IKE IKE is short for Internet Key Exchange Key Management allows you to determine whether to use IKE ISAKMP or manual key configuration to set up a VPN There are two phases in every IKE negotiation phase 1 Authentication and phase 2 Key Exchange Phase 1 establishes an IKE SA and phase 2 uses that SA to negotiate SAs for IPSec 11 What is Pre Shared Key A pre shared key identifies a communicating party during a phase 1 IKE negotiation It is called Pre shared because you have to share it with another party before you can communicate with them over a secure connection 12 Whatare the differences between IKE and manual k
53. P 793H v2 G SHDSL bis Bonded Broadband Gateway Support Notes Version 3 70 02 2010 ZyXEL P 793H v2 Support Notes ZINOS FAQ ots racioncueeerecentitdadber bed urne te fr oed c 1 What is ZyNOS sects 2 How dol access the P 793H v2 SMT menu P m 3 How do I upload the ZyNOS firmware code via console vean 4 How dol upgrade backup the INPS firmware ud usi ng TFTP client program via LAN 6 How do I restore P 793H v2 configurations byi using TFTP client program via LAN iussisse ure 7 What should do if forget the system password cedi 8 How to use the Reset button esses D 6 6 BAana 4 n 9 What is SUA When should I use SUA Te s 10 What is the difference between SUA and Full Feature NAT 11 Is it possible to accessa server running behind SUA from the outside Internet If possible how M UR ESO RACE 12 When do need to select Full Feature NAT eoe T d 13 What IP Port mapping does Multi NAT support EE ORDRE EN d 14 How many network users can the SUA NAT support 8 15 What are Device filters and Protocol filters 9 16 How can protect against IP spoofing attacks 9 PROGUCT FAG eourioenottosutetenacstibpIeNl lel Sogl ee ee LU E 11 1 What is SHDSL SHDSL bis sssseussusss 11 2 How can manage P 793
54. P II Network Protocol RFC741 S C3 12 PUP PUP PUP XEROX 13 ARGUS ARGUS RWS4 14 EMCON EMCON BN7 15 XNET Cross Debugger IEN158 JFH2 16 CHAOS Chaos NC3 17 UDP User Datagram RFC768 JBP 18 MUX Multiplexing IEN90 JBP 19 DCN MEAS DCN Measurement Subsystems DLM1 20 HMP Host Monitoring RF C869 RH6 21 PRM Packet Radio Measurement ZSU 126 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes 22 XNS IDP XEROX NS IDP ETHERNET XEROX 23 TRUNK 1 Trunk 1 BWB6 24 TRUNK 2 Trunk 2 BWB6 25 LEAF 1 Leaf 1 BWB6 26 LEAF 2 Leaf 2 BWB6 27 RDP Reliable Protocol RFC908 RH6 28 IRTP Internet Reliable Transaction RFC938 TXM 29 ISO TP4 ISO Transport Protocol Class 4 RFC905 RC77 30 NETBLT Bulk Data Transfer Protocol RFC969 DDC1 31 MFE NSP MFE Network Services Protocol MFENET BCH2 32 MERIT INP MERIT Internodal Protocol HWB 33 SEP Sequential Exchange Protocol C120 34 3PC Third Party Connect Protocol SAF3 35 IDPR Inter Domain Routing Protocol MXS f 36 XTP XTP GXC 37 DDP Datagram Protocol WXC 38 IDPR CMTP IDPR Control Message Transport Proto MXS1 39 TP TP Transport Protocol DXF 40 IL IL Transport Protocol Presotto 41 IPv6 Ipv6 Deering 42 SDRP Source Routing Protocol DXE 1 43 IPv6 Route Routing Header for IPv6 Deering 44 IPv6 Frag Fragment Header for IPv6 Deering 45 IDRP Inter Domain Routing Protocol Sue Hares 46 RSVP Reservation Protocol Bob Braden 47 GR
55. P32 FI x File Options Help Host 192 168 1 1 Port 69 Timeout fio Send timeout to Server Block Size Send Fetch p2 r Local File prestige bin Match Files D Binary M Au Remote File ras Abort Press F1 for Help 16 44 18 The 192 168 1 1 is the IP address of the P 793H v2 The local file is the source file of the ZyNOS firmware that is available in your hard disk The remote file is the file name that will be saved in P 793H v2 Check the port number 69 and 512 Octet blocks for TFTP Check Binary mode for file transferring 2 Using TFTP to upload download SMT configurations via LAN Step 1 TELNET to your P 793H v2 first before running the TFTP software Step 2 Type the command sys stdio 0 to disable console idle timeout in Command Line Interface CLI Step 3 Run the TFTP client software Step 4 To download the P 793H v2 configuration please get the remote file rom 0 from the P 793H v2 104 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Step 5 To upload the P 793H v2configuration please save the remote file as rom 0 in the P 793H v2 An example re TFIP32 ila xi File Options Help Host 192 168 1 1 Port 69 Timeout 10 Send timeout to Server Block Size Send Fetch lz Local File prestige rom Match Files T Binary M Ea Remote File rom d Abort Press F1 for Help 16 46 06 The 192 168 1 1 is the IP address of th
56. Sz X SE lt P 793H P 793H 2 2 Wire Application 43 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H shssssssssssasaseness B 0 P 793H v2 Support Notes m mw m m e gt c lt _ lt C q i TUT Note 1 It is also compatible with G SHDSL 2 3Mbps application when we connect it with P 792H or P 791R Note2 There are two DSL led DSL1 and DSL2 When we use one line for Internet access or back to back application DSL1 and DSL2 will act the same as one LED When we use 1 2 back to back application by Y cable they will show the respective DSL line status 5 Whatisthe checklist for making a 1 1 Back to Back connection over P 793H v2 1 Make sure one of the two P 793H vas is with Service Type Client and the other one is with Service Type Server 2 The Encapsulation Multiplexing VPI VCI option in menu 11 must be the same for both P793Hs 3 Enterthe remote IP address 44 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Note When P 793H v2 works as client options Enable Rate Adaption Transfer Max Rate Transfer Min Rate and Standard Mode are not available to choose These parameters are then determined by server side Service Type Service Mode 2wire v Service Type Cen ov Enable Rate Adaption Transfer Max Rate Kbps Transfer Min Rate Kbps Stan
57. The Point to Point Protocol PPP Link Control Protocol LCP specifies a number of Configuration Options which are distinguished by an 8 bit Type field These Types are assigned as follows Type Configuration Option 0 Vendor Specific RFC2153 1 Maximum Receive Unit 2 Async Control Character Map 3 Authentication Protocol 4 Quality Protocol 5 Magic Number 6 DEPRECATED Quality Protocol 7 Protocol Field Compression 8 Address and Control Field Compression 9 FCS Alternatives RFC1570 10 Self Describing Pad RFC1570 11 Numbered Mode RFC1663 12 DEPRECATED Multi Link Procedure 13 Callback RFC1570 14 DEPRECATED Connect Time 15 DEPRECATED Compound Frames 16 DEPRECATED Nominal Data Encapsulation 17 Multilink MRRU RFC1717 18 Multilink Short Sequence Number Header RFC1717 19 Multilink Endpoint Discriminator RFC1 717 20 Proprietary KEN 114 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes 21 DCE ldentifier SCHNEIDER 22 Multi Link Plus Procedure Smith 23 Link Discriminator for BACP RFC2125 24 LCP Authentication Option Culbert 25 Consistent Overhead Byte Stuffing COBS Carlson 26 Prefix elision Bormann 27 Multilink header format Bormann 1 IPV6CP CONFIGURATION OPTIONS IPV6CP Configuration Options allow negotiation of desirable IPv6 parameters IPV6CP uses the same Configuration Option format defined for LCP with a separate set of Opt
58. To achieve this VPN tunnel the settings required for each Prestige are explained in the following sections LAN LAN 2 Prestige A Prestige B IPSec Tunnel The IP addresses we use in this example are as below PC 1 Prestige A Prestige B PC2 LAN 192 168 1 1 LAN 192 168 2 1 a WAN WAN 192 168 2 3 192 168 1 33 Note The following configurations are supposed both two VPN gateways have fixed IP addresses If one of VPN gateways uses dynamic IP we enter 0 0 0 0 as the secure gateway IP address In this case the VPN connection can only be initiated from dynamic side to fixed side to update its dynamic IP to the fixed side If both of VPN gateways use dynamic IP we need DDNS service to implement it You can finish the configuration va Web Configurator on Prestige Step 1 Setup Prestige A 1 Using a web browser login Prestige Web Configurator by giving the LAN IP address of Prestige in URL field Default LAN IP is 192 168 1 1 default password to login advanced web configurator is 1234 2 Go to VPN Setup page to edit a VPN Rule On P 793H v2 you could begin with Security VPN gt Summery 87 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Summary IPSec Secure Gateway i e cerne toca tires omote aressfncan notis n m nit 1 E 5m Seis E DNO 4 2 3 3 On the SUMMARY menu select a policy to edit by clicking Edit On P 793H v2 we can bui
59. Traffic shaping defines a set of actions taken by the All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes P 793H v2 to avoid congestion traffic shaping takes measures to adapt to unpredictable fluctuations in traffic flows and other problems among virtual connections 14 The P 793H v2 supports Bridge and Router mode what sthe difference between them When the ISP limits some specific computers to access Internet that means only the traffic to from these computers will be forwarded and the other will be filtered In this case we use bridge mode which works as a DSL modem to connect to the ISP The ISP will generally give one Internet account and limit only one computer to access the Internet For most Internet users having multiple computers want to share an Internet account for Internet access they have to add another Internet sharing device like a router In this case we use the router mode which works as a general Router plus a DSL Modem 15 How do I know I am using PPPoE PPPoE requires a user account to login to the provider s server If you need to configure a user name and password on your computer to connect to the ISP you are probably using PPPoE If you are simply connected to the Internet when you turn on your computer you probably are not You can also check your ISP or the information sheet given by the ISP Please choose PPPoE as the encapsulation type in the P 793H v2
60. addresses to one or multiple public addresses This adds a level of security since the clients on the private LAN are invisible to the Internet 3 Whatare the basic types of firewalls Conceptually there are three types of firewalls 1 Packet Filtering Firewall 2 Application level Firewall 3 Stateful Inspection Firewall Packet Filtering Firewalls generally make their decisions based on the header information in individual packets These headers information include the source destination addresses and ports of the packets 20 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Application level Firewalls generally are hosts running proxy servers which permit no traffic directly between networks and which perform logging and auditing of traffic passing through them A proxy server is an application gateway or circuit level gateway that runs on top of general operating system such as UNIX or Windows NT It hides valuable data by requiring users to communicate with secure systems by mean of a proxy A key drawback of this device is performance Stateful Inspection Firewalls restrict access by screening data packets against defined access rules They make access control decisions based on IP address and protocol They also inspect the session data to assure the integrity of the connection and to adapt to dynamic protocols The flexible nature of Stateful Inspection firewalls generally provid
61. alias 1 and enif0 1 for the IP alias 2 Therefore three routes are created in the P 793H v2 as shown below when the three networks are configured If the P 793H v2 s DHCP is also enabled the IP pool for the clients can be any of the three networks ct Telnet 192 168 1 1 i B x Gateway Metric stat 200 80 8 2 882b 192 168 1 1 841b 192 168 2 1 841b 192 168 3 1 841b ras ip if enif mtu 15808 inet 192 168 1 1 netmask xfffFfFfOB broadcast 192 168 1 255 RIP R amp None TZ None CInOctets 565658 CInUnicast 23391 CInMulticast CInDiscards 81 CInErrors 6 CInUnknownProtos COutOctets 1662338 OutUnicast 26691 OutMulticast COutDiscards 81 OutErrors 81 enif mtu 1508 inet 192 168 2 1 netmask xfffFffOB broadcast 192 168 2 255 RIP R amp None TX None CInOctets CInUnicast 81 CInMulticast CInDiscards CInErrors 6 CInUnknownProtos COutOctets COutUnicast 6 OutMulticast COutDiscards Out Errors 6l enif 1 mtu 1508 inet 192 168 3 1 netmask xfffFffOB broadcast 192 168 3 255 RIP R amp None TX None CInOctets 81 CInUnicast 81 CInMulticast CInDiscards 81 CInErrors 81 CInUnknownProtos 69 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes You can edit filter rule to accept or deny LAN packets from to the IP alias 1 2 go through the P 793H v2 in SMT menu 3 2 1 as below Menu 3 2 1 IP Alias Setup IP Alias 17 es IP Address 188 188 9 1 IP Subnet Mask 8 0 0 0
62. andwidth bandw idth class or you w antto limit the bandw idth of each class at the Usage configured value Please note that to meat the second condition you should also disable Use All Managed Bandwidth in the BWM rule Step 2 Go to Web Configurator Advanced Setup Advanced Bandwidth MGMT gt Rule Setup select the interface Service Priority and Allocated Bandwidth for this rule then click button Add to apply this rule I Rule Setup Rule Setup sedem 3 servick www 2 Priokity seis ows To LAN Interface ENTE 1 Rule Name Bandwidth kbps Step 3 You can modify the rule by clicking the button Edit on the rule TI All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Rule Configuration Caes Rule Name gt www aO OOO Jus CENSET Eig Filter Configuration Service User defined Vv irati 0 0 0 0 Destination Subnet Netmask 0 0 0 0 Destination Port 0 Source Address 0 0 0 0 0 0 0 0 aP 60 TCP Key Settings RuleName Give this rule a name for example WWW BW Budget Configure the bandw idth you w ould like to allocate to this rule s Enter a number betw een 0 and 7 to setthe priority of this class The THHORD higher the number the higher the priority The default setting is 3 Check this box if you w ould like
63. ate will result PCR as 5424 cell sec 12 What do ATM QoS Types CBR UBR VBR nRT VBR RT mean Constant bit rate CBR An ATM bandwidth allocation service that requires the user to determine a fixed bandwidth requirement at the time the connection is set up so that the data can be sent in a steady stream CBR service is often used when transmitting fixed rate uncompressed video Unspecified bit rate UBR An ATM bandwidth allocation service that does not guarantee any throughput levels and uses only available bandwidth UBR is often used when transmitting data that can tolerate delays such as e mail Variable bit rate VBR An ATM bandwidth allocation service that allows users to specify a throughput capacity i e a peak rate and a sustained rate but data is not sent evenly You can select VBR for busty traffic and bandwidth sharing with other applications It contains two subclasses Variable bit rate non real time VBR nRT and Variable bit rate real time VBR RT 13 Why do we perform traffic shaping in the P 793H v2 The P 793H v2 must manage traffic fairly and provide bandwidth allocation for different sorts of applications such as voice video and data All applications have their own natural bit rate Large data transactions have a fluctuating natural bit rate The P 793H v2 is able to support variable traffic among different virtual connections Certain traffic may be discarded if the virtual connection experiences congestion
64. ation menu 25 What is Dial Backup It is Auto Fail over and Fall back WAN Backup Solution The P 793H v2 features a Fail over and Fail back WAN Backup Solution for complete reliability Whenthe DSL connection fails traffic is forwarded to either a backup ISDN or analog modem to maintain data exchange When the DSL connection is re established traffic will be fully restored The WAN Backup Solution saves device maintenance cost and reduces loss from daily operation In addition P 793H v2 also performs backup functions by redirecting traffic to a specific gateway to ensure availability of the Internet connection DSL FAQ 1 How does DSL compare to Cable modems DSL provides a dedicated service over a single telephone line cable modems offer a dedicated service over a shared media While cable modems have greater downstream bandwidth capabilities up to 30 Mbps that bandwidth is shared among all users on a line and will therefore vary perhaps dramatically as more users in a neighborhood get online at the same time Cable modem upstream traffic will in many cases be slower than DSL either because the particular cable modem is inherently slower or because of rate reductions caused by contention for upstream bandwidth slots The big difference between DSL and cable modems however is the number of lines available to each There are no more than 12 million homes passed today that can support All contents copy right O 2010 Zy XEL Com
65. ble 2 TCP IP configuration In most cases the IP address of computer is assigned by ISP dynamically so you have to configure the computer as a DHCP client which obtains the IP from the ISP using DHCP protocol The ISP may also provide the gateway DNS via DHCP if they are available Otherwise please enter the static IP addresses for all that the ISP gives to you in the network TCP IP settings For Windows we check the option Obtain an IP address automatically in its TCP IP setup please see the example shown below 38 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes TCP IP Properties Setup your P 793H v2 The following procedure shows you how to configure your P 793H v2 as bridge mode We will use Web Configurator to guide you through the related menu 1 Configure P 793H v2 as bridge mode and configure Internet setup parameters in Web Configurator Advanced Setup Network gt WAN gt Intemet Connection Internet Access Setup WAN Backup Setup General Transfer Mode ATM v Mode Bridge v Encapsulation RFC 1483 v Multiplexing LLC v Virtual Circuit ID VPI 0 VCI 33 Line I4 39 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Key Settings Option Description Select the correct Transfer Mode that your ISP supports For Transfer Mode example ATM Select the correct Encapsulation t
66. ce A to access both LAN segments of headquarter and branch office B Because the LAN segments of headquarter and branch office B are continuous we merge them into one single rule by including these two segments in Remote section If by any chance the two segments are not continuous we strongly recommend you to setup different rules for these segments Create a VPN Rule with name Branch A The configuration is the same as Prestige to Prestige Tunnel justthe IP Address is a little different 1 Local Address Type is Range Address and IP Address Start is 192 168 3 0 IP Address End is 192 168 3 255 This section covers the LAN segment of branch office A 96 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Remote Address Type is Range Address and IP Address Start is 192 168 1 0 IP Address End is 192 168 2 255 This section covers the LAN segment of both headquarter and branch office B 2 My IP Addressis the WAN IP of Prestige in Branch A 202 3 1 1 in the example Secure Gateway Address is IP address of Headquarter 202 1 1 1 in the example 3 Suppose the pre shared key is 01234567 we should configure the same key in the corresponding rule in Headquarter VPN Gateway 4 You can setup IKE phase 1 and phase 2 parameters by pressing Advanced button Please make sure that parameters you set in this menu match with all the parameters with the corresponding VPN rule in headquarter We do
67. cy of the bandwidth If there are several VCs in the P 793H v2 but only one VC activated at one time the P 793H v2 allocates all the Bandwidth to the VC and the VC gets full bandwidth If another VCs are activated later the bandwidth is yield to other VCs after ward 11 What do the parameters PCR SCR MBS mean All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Traffic shaping parameters PCR SCR MBS can be setin Menu 4 and Menu 11 6 andis valid for both incoming and outgoing direction since G shdsl is symmetric Peak Cell Rate PCR The maximum bandwidth allocated to this connection The VC connection throughputis limited by PCR Sustainable Cell Rate SCR The least guaranteed bandwidth of a VC When there are multi VCs on the same line the VC throughput is guaranteed by SCR Maximum Burst Size MBS The amount of cells transmitted through this VC at the Peak Cell Rate before yielding to other VCs Total bandwidth of the line is dedicated to single VC if there is only one VC on the line However as the other VC asking the bandwidth the MBS defines the maximum number of cells transmitted via this VC with Peak Cell rate before yielding to other VCs The P 793H v2 holds the parameters for shaping the traffic among its virtual channels If you do not need traffic shaping please set SCR 0 MBS 0 and PCR as the maximum value according to the line rate for example 2 3 Mbps line r
68. dard Mode 6 Whatisthe checklist for making a 1 2 Back to Back connection over P 793H v2 1 Make sure the two remote P 793H ves are with Service Mode 2 wre and Service Type Client The central one is wth Service Mode 4 wire and Service Type Server 2 The Encapsulation Multiplexing VPI VCI option in menu 11 must be the same for all P 793H v2s 3 Enter the remote IP following Remote ones take central one as gateway Note This application is realized via One Y cable On the Y cable there should be DSL1 and DSL2 printed on the offshoot phone cable which guide you to connect two clients 7 Setup the P 793H v2 asa DHCP Relay 1 Whatis DHCP Relay DHCP stands for Dynamic Host Configuration Protocol In addition to the DHCP server feature the P 793H v2 supports the DHCP relay function When it is configured as DHCP server it assigns the IP addresses to the LAN clients When it is configured as DHCP relay itis responsible for forwarding the requests and responses negotiating between the DHCP clients and the server See figure 1 45 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes DHCP Server Prestige DHCP Client d sean Figure1 Prestige as a DHCP Relay Setup the P 793H v2 asa DHCP Relay We could set the P 793H v2 as a DHCP Relay via menu 3 2 as below Menu 3 2 TCP IP and DHCP Setup DHCP Setup TL DHCP Relay Ciient
69. dress Enter the IP address of the UNIX server that you wish to send the syslog Log Facility Select from the 7 different local options The log facility lets you log the message in different server files Refer to your UNIX manual 13 Using IP Alias 0 WhatisIP Alias In atypical environment a LAN router is required to connect two local networks The P 793H v2can connect three local networks to the ISP ora remote node we call this function as IP Alias In this case an internal router is not required For example the network manager can divide the local network into three networks and connect them to the Internet using P 793H v2 s single user account See the figure below 68 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes LANI 192 168 1 0 24 LAN2 192 168 2 0 24 ISP LAN3 192 168 3 0 24 The Prestige s IP Alias connects three local networks to the Internet The P 793H v2supports three virtual LAN interfaces via its single physical Ethernet interface The first network can be configured in Web Configurator Advanced Setup Network gt LAN gt DHCP Setup The second and third networks that we call IP Alias 1 and IP Alias 2 can be configured in Network gt LAN gt IP Alias There are three internal virtual LAN interfaces for the P 793H v2 to route the packets from to the three networks correctly They are enifO for the major network enif0 0 for the IP
70. e P 793H v2 The local file is the source file of your configuration file that is available in your hard disk 9 The remote file is the file name that will be saved in P 793H v2 Check the port number 69 and 512 Octet blocks for TFTP 9 Check Binary mode for file transfering 1 Using TFTP command on Windows NT Step 1 TELNET to your P 793H v2 first before using TFTP command Step 2 Type the CI command sys stdio 0 to disable console idle timeout in Command Line Interface CLI Step 3 Download ZyNOS via LAN cAtftp i P 793H v2IP get ras localfile Step 4 Upload P 793H v2 configurations via LAN ctftp i P 793H v2 IP put localfile rom 0 Step 5 Download P 793H v2 configurations via LAN c tftp i P 793H v2 IP get rom 0 localfile 1 Using TFTP command on UNIX Before you begin 1 TELNET to your P 793H v2 first before using TFTP command 105 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes 2 Typethe Cl command sys stdio 0 to disable console idle timeout in Command Line Interface CLI Example cppwu faelinux cppwu telnet 192 168 1 1 Trying 192 168 1 1 Connected to 192 168 1 1 Escape character is Password ras sys stdio 0 Open a new window cppwu faelinux cppwu tftp I 192 168 1 1 get rom 0 local rom lt change to binary mode download configurations cppwuQfaelinux cppwu tftp I 192 168 1 1 put
71. e most common reasons are because of security and cost Security 1 Authentication With authentication VPN receiver can verify the source of packets and guarantee the data integrity 2 Encryption With encryption VPN guarantees the confidentiality of the original user data Cost 1 Cut long distance phone charges 28 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Because users typically dial thetheir local ISP for VPN thus long distance phone charge is reduced than making a long direct connection to the remote office 2 Reducing number of access lines Many companies pay monthly charges for two types access lines 1 high speed links for their Internet access and 2 frame relay ISDN Primary Rate Interface or T1 lines to carry data A VPN may allow a company to carry the data traffic over its Internet access lines thus reducing the need for some installed lines 3 What are most common VPN protocols There are currently three major tunneling protocols for VPNs They are Point to Point Tunneling Protocol PPTP Layer 2 Tunneling Protocol L2TP and Internet Protocol Security IPSec 4 Whatis PPTP PPTP is atunneling protocol defined by the PPTP forum that allows PPP packets to be encapsulated within Internet Protocol IP packets and forwarded over any IP network including the Internet itself The PPTP is supported in Windows NT and Windows 98 already For W
72. eader Length Type of Service Total Length Idetif ication Flags Fragment Offset Time to Live Protocol Header Checksum Source IP Destination IP TCP Header Source Port Destination Port Sequence Number Ack Number Header Length Flags Window Size Checksum Urgent Ptr 661349666601 G6048GEF2E78 8x8888 lt TCP IP gt 4 PAS x 6 lt A 8x8828 lt 140 gt x3F F 16143 gt 9x02 4x88 va lt 113 gt x86 lt TCP gt x9FCD 409095 xDEACBAF3 222 172 138 243 xAC19153A 172 25 21 58 x F28 438885 x2966 105985 x326B436 845896313 gt G xAD825B3A 2911661462 gt 26 x1 A gt x2BE6 11238 xA23B 41531 gt x 6688 lt A gt TCP Data CLength 6 Captured 6 6666 66 BB BB OB HO HA RAW DATA 0 Offline Trace 0 Disable the capture of the WAN packet by entering sys trcp channel mpoa00 none 0 Enable the capture of the LAN packet by entering sys trcp channel eneto bothw ay 0 Enable the trace log by entering sys trep sw on amp sys trcl sw on 0 Wait for packet passing through the P 793H v2 over LAN 0 Disable the trace log by entering sys trep sw off amp sys trcl sw off 0 Display the trace briefly by entering sys trcp brief Display specific packets by using sys trcp parse from index to index 101 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Capture the detailed logs by Hyper Termina
73. ed UPnP Universal Plug and Play such as Windows XP and Windows ME UPnP supported in P 793H v2 is an alternative solution to pass through MSN Messenger video voice traffic For more detail please refer to UPnP application note P 793H v2 support Microsoft Xbox Live with factory default configuration Configurations For example if the workstation operating Cu SeeMe has an IP of 192 168 1 34 then the default SUA server must be set to 192 168 1 34 The peer Cu SeeMe user can reach this workstation by using P 793H v2 s WAN IP address which can be obtained from Web Configurator Status gt WAN Information 49 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Default Server Setup lt Default Server 192 168 1 34 Port Forwarding Service Name WWW M Server IP Address 0 0 0 0 TUAM Configure an Internal Server behind SUA Prestige Remote client Web Server Introduction If you wish you can make internal servers e g Web ftp or mail server accessible for outside users even though SUA makes your LAN appear as a single machine to the outside world A service is identified by the port number Also since you need to specify the IP address of a server behind the P 793H v2 aserver must have a fixed IP address and not be a DHCP client whose IP address potentially changes each time P 793H v2 is powered on In addition to the servers for specific s
74. en the backup gateway is connected to the LAN Use IP alias to configure the LAN into two or three logical networks with the P 793H v2 itself as the gateway for each LAN network Put the protected LAN in one subnet Subnet 1 in the following figure and the backup gateway in another subnet Subnet 2 Configure filters that allow packets from the protected LAN Subnet 1 to the backup gateway Subnet 2 Traffic redirect LAN setup example 1 83 All contents copy right O 2010 Zy XEL Communications Corporation P 793H v2 Support Notes d Subnet 1 i f 192 168 1 1 192168 1 24 i LAN LI j a S eL Nm Intemet Subnet 2 192 168 2 1 192 168 2 2 Backup Gatew ay 2 Deploy your second gateway on WAN side Put all of your network gateways on the WAN side as the following figure shows This ensures that all incoming network traffic passes through your P 793H v2 to your LAN Therefore your LAN is protected Traffic redirect LAN setup example 2 LAN WAN EN 5g S Internet RD 3 Allow firewall bypasstriangle route checking To resolve this conflict we add an option for users to allow disallow such Triangle Route topology in both Cl command and Web configurator You can issue command sys firewall ignore triangle all on to allow firewall bypass triangle route checking In Web GUI you can find this option via Security Firewall General 84 All contents copy right O 2010 Zy XEL Communications Co
75. erent services e g Web or FTP visible to the outside users even though NAT makes your network appears as a single machine to the outside world A server is identified by the port number e g Web service is on port 80 and FTP on por 21 As an example see the following figure if you have a Web server at 192 168 1 36 and a FTP server at 192 168 1 33 then you need to specify for port 80 Web the server at IP address 192 168 1 36 and for port 21 FTP another at IP address 192 168 1 33 FTP Server 192 168 1 33 Web Server Prestige 192 168 1 36 E Global IP assigned by the ISP Figure Configure Multiple Servers behind NAT 57 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Please note that a server can support more than one service e g a server can provide both FTP and Mail service while another provides only Web service The following procedures show how to configure a server behind NAT Step 1 Login Web Configurator Advanced Setup Network gt NAT gt Port Forwarding Step 2 Select the service name from the pull down menu and fill in the server Address on Server IP Address then click button Add to save it Step 3 You could click the button Edit on the rule to modify the Service name Server IP Address Start End Port The most often used port numbers are shown in the following table Please refer RFC 1700 for further information about port n
76. ervices SUA supports a default server A service request that does not have a server explicitly designated for is forwarded to the default server If the default server is not defined the service request is simply discarded Configuration To make a server visible to the outside world specify the port number of the service and the inside address of the server in Web Configurator Advanced 50 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Setup Network gt NAT gt Port Forwarding The outside users can access the local server using the P 793H v2 s WAN IP address which can be obtained from Web Configurator Status gt WAN Information For example Configuring an intemal Web server for outside access suppose the Server IP Address is 192 168 1 10 1 Fill in the service name and server IP Address press button Add Default Server Setup Default Server 192 168 1 34 Port Forwarding Service Name WWW Server IP Address 192 168 1 10 eS Rp Aen Cane 2 If add successfully the Web Configurator will display message Configuration updated successfully at the bottom You can see the port forwarding rule on the same page the default port for Web Server is 80 Port Forwarding Default Server Setup Default Server 0 0 0 0 Port Forwarding Service Name WWW v Server IP Address 0 0 0 0 1 7 WWW 80 80 192 168 1 10 g Apply Cancel
77. es the address class These are assigned as follows Class Description 0 Null Class RFC1717 1 Locally Assigned RFC1717 2 Internet Protocol IPv4 RFC1717 3 IEEE 802 1 global MAC address RFC1717 4 PPP Magic Number Block RFC1717 5 Public Switched Network Director Number RFC1717 PPP LCP CALLBACK OPERATION FIELDS 117 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes The Point to Point Protocol PPP Link Control Protocol LCP Callback Configuration Option contains an 8 bit Operations field which identifies the format of the Message These are assigned as follows Operation Description 0 Location determined by user authentication 1 Dialing string 2 Location identifier 3 E 164 number 4 X500 distinguished name 5 unassigned 6 Location is determined during CBCP negotiation 1 PPP IPCP CONFIGURATION OPTION TYPES The Point to Point Protocol PPP Internet Protocol Control Protocol IPCP specifies a number of Configuration Options which are distinguished by an 8 bit Type field These Types are assigned as follows Type Configuration Option 1 IP Addresses deprecated RFC1332 2 IP Compression Protocol RFC 1332 3 IP Address RFC1332 4 Mobile IPv4 RFC2290 129 Primary DNS Server Address RFC1877 130 Primary NBNS Server Address RFC1877 131 Secondary DNS Server Address RFC1877 132 Secondary NBNS Server Address RFC1877 1 PPP ATCP CONFIGUR
78. es the best speed and transparency however they may lack the granular application level access control or caching that some proxies support 4 What kind of firewall is the P 793H v2 1 The P 793H ve s firewall inspects packets contents and IP headers It is applicable to all protocols that understands data in the packet is intended for other layers from network layer up to the application layer 2 The P 793H v2 s firewall performs stateful inspection It takes into account the state of connections it handles so that for example a legitimate incoming packet can be matched with the outbound request for that packet and allowed in Conversely an incoming packet masquerading as a response to a nonexistent outbound request can be blocked 3 The 793H s firewall uses session filtering i e smart rules that enhance the filtering process and control the network session rather than control individual packets in a session 4 The P 793H v2 s firewall is fast It uses a hashing function to search the matched session cache instead of going through every individual rule for a packet 5 The P 793H v2 s firewall provides email service to notify you for routine reports and when alerts occur 5 Why do you needa firewall when your router has packet filtering and NAT built in With the spectacular growth of the Internet and online access companies that do business on the Internet face greater security threats Although packet filter and NAT r
79. essary only if the connectionis a non secure connections For secure connections none SUA server settings are required since private IP is reachable in the VPN case For example host P 793H v2 NAT DSL Modem Internet Secure host A A Non secure host 10 I am planning my P 793H v2 behind a NAT router What do need to know Some tips for this The NAT router must support to pass through IPSec protocol Only ESP tunnel mode is possible to work in NAT case In the NAT router is P 793H v2 NAT router supporting IPSec pass through default port and the P 793H v2 WAN IP must be configured in SUA NAT Server Table 1 WAN IP ofthe NAT router is the tunneling endpoint for this case not the WAN IP of P 793H v2 2 If firewall is turned on in P 793H v2 you must forward IKE port in Internet interface 3 If NAT are also enabled in P 793H v2 NAT server is required for non secure connections NAT server is not required for secure connections and the physical private IP is used For example host P 793H v2 NAT Router Internet Secure host 35 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Non secure host 11 How can I keep a tunnel alive To keep a tunnel alive you can check keep alive option when configuring your VPN tunnel With this option whenever phase 2 SA lifetime is due IKE negotiation procedure will be invoked automatically even without t
80. estrict access to particular computers and networks However for the other companies this security may be insufficient because packets filters typically cannot maintain session state Thus for greater security a firewall is considered 21 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes 6 What is Denials of Service DoS attack Denial of Service DoS attacks are aimed at devices and networks with a connection to the Internet Their goal is not to steal information but to disable a device or network so users no longer have access to network resources There are four types of DoS attacks 1 Those that exploits bugs in a TCP IP implementation such as Ping of Death and Teardrop 2 Those that exploits weaknesses in the TCP IP specification such as SYN Flood and LAND Attacks 3 Brute force attacks that flood a network with useless data such as Smurf attack 4 P Spoofing 7 What is Ping of Death attack Ping of Death uses a PING utility to create an IP packet that exceeds the maximum 65535 bytes of data allowed by the IP specification The oversize packet is then sentto an unsuspecting system Systems may crash hang or reboot 8 Whatis Teardrop attack Teardrop attack exploits weakness in the reassemble of the IP packet fragments As data is transmitted through a network IP packets are often broken up into smaller chunks Each fragment looks like the original packet except
81. etworking Adapter that can be selected when setting up aconnection in the Dial Up Networking folder The VPN Adapter type does not appear elsewhere in the system Since PPTP encapsulates its data stream in the PPP protocol the VPN requires a second dial up adapter This second dial up adapter for VPN is added during the installation phase of the Upgrade in addition to the first dial up adapter that provides PPP support for the analog or ISDN modem The PPTP is supported in Windows NT and Windows 98 already For Windows 95 it needs to be upgraded by the Dial Up Networking 1 2 upgrade This application note explains how to establish a PPTP connection with a remote private network in the P 793H v2 SUA case In ZyNOS all PPTP packets can be forwarded to the internal PPTP Server WinNT server behind SUA The port number of the PPTP has to be entered in the Web Configurator Advanced Setup Network gt NAT gt Port Forwarding on P 793H v2 to forward to the appropriate private IP address of Windows NT server Prestige PPTP Client PPTP Server Example The following example shows how to dial to an ISP via the P 793H v2 and then establish a tunnel to a private network There will be three items that you need to set up for PP TP application these are PPTP server WinNT PPTP client Win9x and the P 793H v2 1 PP TP server setup WinNT 0 Add the VPN service from Control Panel gt Network 53 All contents copy right 2010 Zy X
82. ey VPN The only difference between IKE and manual key is how the encryption keys and SPls are determined 30 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes For IKE VPN the key and SPls are negotiated from one VPN gateway to the other Afterward two VPN gateways use this negotiated keys and SPIs to send packets between two networks For manual key VPN the encryption key authentication key if needed and SPls are predetermined by the administrator when configuring the security association IKE is more secure than manual key because IKE negotiation can generate new keys and SPls randomly for the VPN connection 13 What is Phase 1 ID for In IKE phase 1 negotiation IP address of remote peer is treated as an indicator to decide which VPN rule must be used to serve the incoming request However in some application remote VPN box or client software is using an IP address dynamically assigned from ISP so P 793H v2 needs additional information to make the decision Such additional information is what we call phase 1 ID In the IKE payload there are local and peer ID field to achieve this 14 Whatis FODN FQDN Fully Qualified Domain Name IKE standard takes it as one type of Phase 1 ID As we mentioned Phase 1 ID is an identification for each VPN peer The type of Phase 1 ID may be IP FQDN DNS User FQDN E mail The content of Phase 1 ID depends on the Phase 1 ID type The
83. fices through headquarter So that whenever branch office A wants to talk to branch office B headquarter plays as a VPN relay Users can gain benefit from such application when the scale of branch offices is very large because no additional VPN tunnels between branch offices are needed In this support note we skip the detailed configuration steps for Internet access and presume that you are familiar with basic ZyNOS VPN configuration As the figure shown below each branch office have a VPN tunnel to headquarter thus PCs in branch offices can access systems in headquarter via the tunnel Through VPN routing Prestige series now provide you a solution to let PCs in branch offices talk to each other through the existing VPN tunnels concentrated on the headquarter 95 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes B Headquarter Server I nj I md om PC 1 PC 2 Branch A Branch B The IP addresses we use in this example are as shown below Branch A Headquarter Branch B WAN 202 3 1 1 WAN 202 1 1 1 WAN 202 2 1 1 LAN 192 168 3 1 LAN 192 168 1 1 LAN 192 168 2 1 LAN of Branch A LAN of Headquarter LAN of Branch B 192 168 3 0 24 192 168 1 0 24 192 168 2 0 24 Setp 1 Setup VPN in branch office A Because VPN routing enables branch offices to talk to each other via tunnels concentrated on headquarter In this step we configure an IPSec rule in Prestige Branch A for PCs behind branch offi
84. figurator Advanced Setup Network gt LAN gt IP gt Advanced Setup 2 Enable IGMP in P 793H v2 s remote node in Web Configurator Advanced Setup Network gt Remote Node gt Edit gt Multicast Key Settings Multicast IGMP v1 for IGMP version 1 IGMP v2 for IGMP version 2 17 Using Bandwidth Management 1 Why Bandwidth Management BWM Nowadays we have many different traffic types for Internet applications Some traffic may consume high bandwidth such as FTP File Transfer Protocol Some other traffic may not require high bandwidth but they require stable supply of bandwidth such as VoIP traffic The VoIP quality would not be good if all of the outgoing bandwidth is occupied via FTP Additionally chances are that you would like to grant higher bandwidth for some body special who is using specific IP address in your network All of these are reasons why we need bandwidth management Using BWM Setp 1 Go to Web Configurator Advanced Setup Advanced gt Bandwidth MGMT gt Summary activate bandwidth management on the interface you would like to manage We enable the BWM function on WAN interface in this example Enter the total speed for this interface that you want to allocate using bandwidth management This appears as the bandwidth budget of the interface s root class Select how you want the bandwidth to be allocated Priority Based means bandwidth is allocated via priority so the traffic with h
85. h bandwidth high cost path while using low path for batch traffic Load Sharing Network administrators can use IPPR to distribute traffic among multiple paths How does the IPPR work A policy defines the matching criteria and the action to take when a packet meets the criteria The action is taken only when all the criteria are met The criteria include the source address and port IP protocol ICMP UDP TCP etc destination address and port TOS and precedence fields in the IP header and length The inclusion of length criterion is to differentiate between interactive and bulk traffic Interactive applications e g Telnet tend to have short packets while bulk traffic e g file transfer tends to have large packets The actions that canbe taken include routing the packet to a different gateway and hence the outgoing interface and the TOS and precedence fields in the IP header IPPR follows the existing packet filtering facility of ZyNOS in style and in implementation The policies are divided into sets where related policies are grouped together A use defines the policies before applying them to an interface or a remote node in the same fashion as the filters There are 12 policy sets with 6 policies in each set Setup the IP Policy Routing Rules can be edited in SMT menu 25 Suppose we d like to edit the rule like this Policy Set Name Test Active Yes Criteria IP Protocol 6 Type of Service Don t Care Packet
86. he different services such as video VolP and Internet access require different Quality of Service The high priority is Voice VolP data 4 The Medium priority is Video IPTV data The low priority is internet access such as ftp etc CBR Oe ete ir F VBR e i UBA e ele UBR F mEMEEEE ammhmiummummmmummum alle Other Service 19 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Triple Play is a VLAN based policy to forward packets from LAN ports to different PVCs thus you can configure each PVC separately to assign different QoS to different application Firewall FAQ General 1 Whatisa network firewall A firewall is a system or group of systems that enforces an access control policy between two networks It may alsobe defined as a mechanism used to protect a trusted network from an untrusted network The firewall can be thought of two mechanisms One to block the traffic and the other to permit traffic 2 What makes P 793H v2 secure The P 793H v2 is pre configured to automatically detect and thwart Denial of Service DoS attacks such as Ping of Death SYN Flood LAND attack IP Spoofing etc It also uses stateful packet inspection to determine if an inbound connection is allowed through the firewall to the private LAN The P 793H v2 supports Network Address Translation NAT which translates the private local
87. if the ISP uses PPPoE 16 Why does my provider use PPPoE PPPoE emulates a familiar Dial Up connection It allows your ISP to provide services using their existing network configuration over the broadband connections Besides PPPoE supports a broad range of existing applications and service including authentication accounting secure access and configuration management 17 Whatis DDNS The Dynamic DNS service allows you to alias a dynamic IP address to a static hostname allowing your computer to be more easily accessed from various locations on the Internet To use the service you must first apply an account from several free Web servers such as http www dyndns org Without DDNS we always tell the users to use the WAN IP of the P 793H veto reach our internal server It is inconvenient for the users if this IP is dynamic With DDNS supported by the P 793H v2 you apply a DNS name e g All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes www zyxel com tw for your server e g Web server from a DDNS server The outside users can always access the web server using the www zyxel com tw regardless of the WAN IP of the P 793H va When the ISP assigns the P 793H v2 a new IP the P 793H v2 updates this IP to DDNS server so that the server can update its IP to DNS entry Once the IP to DNS table in the DDNS server is updated the DNS name for your web server i e www zyxel com tw is
88. ighest priority would be served first then the second priority is served secondly and so on If Faimess Based is chosen then the bandwidth is allocated by ratio Which means if A class needs 300 kbps B class needs 600 kbps then the ratio of A and B s actual bandwidth is 1 2 Soif we get 450 kbps in total then A would get 150 kbps B would get 300 kbps We select Priority Based in this example 76 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Summary Rul Summary BW Manager manages the bandwidth of traffic flowing out of the router on the specific interface BW Manager can be switched on off independently for each interface ae ee E a E S a a jo LAN O Yes WAN 450 Prorty Besed w Ces Key Settings Check the box to enable BWM on the interface Note that if you w ould like Active to manage traffic fromWAN to LAN you should apply BWM on LAN interface Enter the total speed to manage on this interface This value is the budget Speed of the class tree s root Choose the principle to allocate bandw idth on this interface Scheduler Priority Based allocates bandw idth via priority Fairness Based allocates bandw idth by ratio Check this box if you w ould like to give residuary bandw idth from Interface e to the classes w ho need more bandw idth than configured amount Do not Maximize select this if you w antto reserve bandw idth for traffic that does not match a B
89. ild VPN Tunnel with another VPN Gateway Software 86 2 How to build a VPN between Secure re Gateway w with h Dynamic WAN IP Address NEL P 3 Configure NAT for internal s servers us TEE 4 VPN Routing between Branch Office through Headquarter 95 Support Tool eei REED ES ER peus 99 1 LAN WAN Packet Trace T LH L 2 Firmware Configurations Uploading and Downloading using TFTP 103 3 Using FTP to Upload the Firmware and Configuration Files 106 Cl Command Reference LLLLuuuuulll illl luu 109 Reference oou hae gas auus eae eee M APUD e tess Genes 110 T7 PPP NUM DOES sunu o uoc cucina nus atu ceo uctus ipe anaspa EE RE KeE e es AAO 2 Port INUIT CS uiui iuc in cese in ce iud ca le Ete ee pai bote idees taana 122 3 Protocol Numbers cessere nennen 120 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes FAQ ZyNOS FAQ 1 Whatis ZyNOS Zy NOS is ZyXEL s proprietary Network Operating System It is the platform on all P 793H v2 routers that delivers network services and applications It is designed in a modular fashion so it is easy for developers to add new features New ZyNOS software upgrades can be easily downloaded from our FTP sites as they become available 2 How do I access the P 793H v2 SMT menu The SMT interface is a menu driven interface which can be accessed via a RS232 console or
90. im to be from the inside Allow everything that is not spoofing us Filter rule setup Filter type TCP IP Filter Rule Active Yes 1 Source IP Addr a b c d Source IP Mask w x y z Action Matched Drop q Action Not Matched Forward Where a b c d is an IP address on your local network and w x y z is your netmask For the output data filters 1 Deny bounce back packet All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Allow packets that originate from us Filter rule setup 0 Filter Type 2 TCP IP Filter Rule Active Yes 0 Destination IP Addr a b c d Destination IP Mask w x y z Action Matched Drop 0 Action No Matched Forward Where a b c d is an IP address on your local network and w x y z is your netmask All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Product FAQ 1 Whatis SHDSL SHDSL bis SHDSL stands for Symmetric High data rate Digital Subscriber Line SHDSL bases on TC PAM Trellis Coded Pulse Amplitude Modulation which offers symmetrical transmission speed up to 2 30 Mbps 2 wire mode SHDSL bis boots SHDSL performance to approximately 5 70 Mbps 2 wire mode or 11 4 Mbps 4 wire mode 2 How can manage P 793H v2 Multilingual Embedded Web GUI for Local and Remote management SMTwa console 9 Telnet support Administrator Password Protected
91. indows 95 it needs to be upgraded by the Dial Up Networking 1 2 upgrade 5 Whatis L2TP Layer Two Tunneling Protocol L2TP is an extension of the Point to Point Tunneling Protocol PPTP used by an Internet service provider ISP to enable the operation of a virtual private network VPN over the Internet 6 WhatisIPSec IPSec is a set of IP extensions developed by IETF Internet Engineering Task Force to provide security services compatible with the existing IP standard IPv4 and also the upcoming one IPv6 In addition IPSec can protect any protocol that runs on top of IP for instance TCP UDP and ICMP The IPSec provides cryptographic security services These services allow for authentication integrity access control and confidentiality IPSec allows for the information exchanged between remote sites to be encrypted and verified You can create encrypted tunnels VPNs or just do encryption between computers Since you have so many options IPSec is truly the most extensible and complete network security solution 7T What secure protocols does IPSec support 29 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes There are two protocols provided by IPSec they are AH Authentication Header protocol number 51 and ESP Encapsulated Security Payload protocol number 50 8 What are the differences between Transport mode and Tunnel mode The IPSec protocols AH and ES
92. ing IP Policy Routing 4 What is IP Policy Routing IPPR Traditionally routing is based on the destination address only and the router takes the shortest path to forward a packet IP Policy Routing IPPR provides a mechanism to override the default routing behavior and alter the packet forwarding based on the policy defined by the network administrator Policy based routing is applied to incoming packets on a per interface basis prior to the normal routing Network administrators can use IPPR to distribute traffic among multiple paths For example if a network has both the Internet and remote node connections we can route the Web packets to the Internet using one policy and route the FTP packets to the remote LAN using another policy See the figure below Prestige eee Internet Remote LAN Router S Use IPPR to distribute traffic among multiple paths gt Benefits Source Based Routing Network administrators can use policy based routing to direct traffic from different users through different connections Quality of Service QoS Organizations can differentiate traffic by setting the precedence or TOS Type of Service values in the IP header at the periphery of the network to enable the backbone to prioritize traffic 71 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Cost Savings IPPR allows organizations to distribute interactive traffic on hig
93. ion Enable Dial on demand This schedule example permits a demand call on the line on 12 00 a m 2005 12 27 The maximum length of time this connection is allowed is 16 hours Key Settings 73 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Start Date Start date of this schedule rule It can be unmatched w ith w eekday setting For example if Start Date is 2000 10 02 Monday but Monday setting in w eekday can be No The node w ill alw ays keep up during the setting period It is equivalent F orcedOn disable the idle timeout The node w ill alw ays keep open during the setting period The Forced Down i connected remote node w ill be dropped Enable i The remote node accepts Dial on demand during this period Dial On De mand The remote node denies any de mand dial during the period For the existing connected nodes itw ill be dropped after idle timeout and no triggered up Disable Dial On Demand Start Time Start Time and Duration of this schedule Duration a Apply the schedule to the Remote node Multiple scheduling rules can program in a Remote node and they have priority For example if we program the sets as 1 2 3 4 in remote node then the set 1 will override set 2 3 4 set 2 will override 3 4 and so on We can apply the schedule to the remote node in SMT menu 11 1 For example if we want to apply the call schedule set 1 to remote node 1 we could
94. ions If a Configuration Option is not included in a Configure Request packet the default value for that Configuration Option is assumed 1 Interface Token RFC2023 2 IPv6 Compression Protocol RFC2023 1 PPP ECP CONFIGURATION OPTION TYPES A one octet field is used in the Encryption Control Protocol ECP to indicate the configuration option type RFC1 968 ECP Option Configuration Type 0 OUI RFC1968 1 Deprecated DESE Fox 2 DESE Kummert 3 DESE bis Fox 4 255 Unassigned PPP CCP CONFIGURATION OPTION TYPES A one octet field is used in the Compression Control Protocol CCP to indicate the configuration option type RFC1962 CCP Option Configuration Type 0 OUI RFC1962 1 Predictor type 1 RFC1962 2 Rredictor type 2 RFC1962 115 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes 3 Puddle Jumper RFC1962 4 15 unassigned 16 Hewlett Packard PPC RFC1962 17 Stac Electronics LZS RFC1974 18 Microsoft PPC RFC21 18 19 Gandalf FZA RFC1962 20 V 42bis compression RFC1962 21 BSD Compress RFC1977 22 unassigned 23 LZS DCP RFC1967 24 MVRCA Magnalink RFC1975 25 DCE RFC1976 26 Deflate RFC1979 27 254 unassigned 255 Reserved RFC1962 The unassigned values 4 15 are intended to be assigned to other freely available compression algorithms that have no license fees PPP SDCP CONFIGURATION OPTIONS A one octet field is used in the Compression
95. ite Label Host Type Prestige Auto Detect M Host Address Initial Remote Directo 192 168 1 1 User ID Password Remote Directory Filter V Local Filtering Login type Transfer type Initial Local Directo Normal C ASCII Bg C Anonymous C Binary Local Directory Filter Double Auto Detect Step 2 Press OK to ignore the Username prompt m i i Cancel Step 3 To upload the firmware file we transfer the local ras file to overwrite the remote ras file To upload the configuration file we transfer the local rom 0 to overwrite 107 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes the remote rom 0 file i PE CuteFTP 3 0 Queue View tory Macro Window Help ETP Session Bookmarks Commands Queue View Directory Maero Window Hep lt Q X 82 amp f Qm O Ole nlr ED x m a COMMAND gt LIST 150 Opening data connection for LIST IGTATUS Received 135 bytes Ok IGTATUS Time 0 00 01 Efficiency 0 13 KBytes s 135 bytes s CAP645 twirouter Size Date Size Date 987KB 01 07 02 10 58 987KB 01 07 01 12 00 w w w 16KB 01 05 29 10 24 a rom 0 16KB 01 07 01 12 00 rnw rw rw Step 4 The P 793H v2 reboots automatically after the uploading is finished Please do not power off the router at this moment All contents copy right 2010 Zy XEL Communications Corporation 108 ZyXEL P 793H v2 Support No
96. l Step 1 Initiate a hyper terminal connection from your PC suppose you connected to the LAN port of P 793H v2 T New Connection HyperTerminal Fie Edit View Cal Transfer Help Oe oS 08 f Auto detect Auto detect 1 HyperTerminal Dees 29 f 1 Properties e Connect To Settings amp Country region Enter the area code without the long distance prefix 2 Area code Phone number Connect using COM1 COM1 TCP IP Winsock ara E Disconnected ANSIW TCP IP NUM 102 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes New Connection Properties Connect To Settings Wi sew Connection ost address 192 168 1 1 onnect using TCP IP Winsock Step 3 So that after you invoke the relevant commands you could save the logs you ve captured T New Connection HyperTerminal File Edit view Call RAGGA Help Send File Receive File Capture Text Send Text File RI 0060 RI 0092 RI 0092 MPOROO0 RI 00921 MPOROO0 RI 0092 MPOROO0 RI 00921 MPOROO0 RI 00921 ARP Request 172 25 21 211 gt 172 25 21 131 Ethernet Packet Ethernet Packet UDP 172 25 21 91 137 172 25 21 255 137 Ethernet Packet Ethernet Packet UDP 172 25 21 91 137 gt 172 25 21 255 137 Capture to Printer MPOAGO R1 00601 MPOROO RI 006A MPOAGO RI 00601 MPOAGO RI 00601 MPOAGO T11468 ENET1 TI00
97. ld at most 2 VPN Tunnels Just make a click on the Edit button in the table we can begin to configure the VPN rule 4 In the IPSEC Setup field toggle Active check box and give a name Test in the example to this policy Select IPSec Key Mode to IKE Negotiation Mode to Main and Encapsulation Mode to Tunnel just the same as we will configure in Prestige B IPSec Setup Cl keep Alive CI NAT Traversal Name CT IPSec Key Mode Negotiation Mode Main v Encapsulation Mode DNS Server for IPSec VPN 5 Fill in the Local and Remote secure hosts information in the Local and Remote field Local Address Type is Single and IP Address Start is PC 1 s IP 192 168 1 33 in the example Remote Address Type is Single and IP Address Start is PC 2 sIP 192 168 2 33 in the example Local Local Address Type Single IP Address Start 192 168 1 33 End Subnet Mask Remote Remote Address Type Single Vv IP Address Start 192 168 2 33 End Subnet Mask 6 Fill in the VPN Gateway information in the Address Information field 88 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes My IP Addressis the WAN IP of Prestige A 202 132 154 1 in the example Secure Gateway Address is the remote secure gateway Prestige B s WAN IP 168 10 10 66 in the example Local ID Type as IP and Content as 0 0 0 0 in the example Peer ID Ty
98. length 0 Precedence Don t Care Len Comp N A Source addr start 192 168 1 2 end 192 168 1 20 port start 0 end N A Destination addr start 0 0 0 0 end N A port start 80 end 80 Action Matched Gateway addr 192 168 1 254 Log No 72 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Type of Service No Change Precedence No Change This policy example forces the Web packets originated from the clients with IP addresses from 192 168 1 2 to 192 168 1 20 be routed to the remote LAN va the gateway 192 168 1 254 15 Using Call Scheduling o What is Call Scheduling Call scheduling enables the mechanism for the P 793H v2 to run the remote node connection according to the pre defined schedule This feature is just like the scheduler in a video recorder which records the program according to the specified time Users can apply at most 4 schedule sets in Remote Node The remote node configured with the schedule set could be Forced On Forced Down Enable Dial On Demand or Disable Dial On Demand on specified date and time o Howto configure a Call Scheduling You can configure a call scheduling in SMT menu 26 Suppose we want to edit a call schedule set like this Call Schedule Set 1 Set name Test Active Yes Start Date yyyy mm dd 2005 12 27 How Often Once Once Date yyyy mm dd 2005 12 27 Start Time hh mm 12 00 Duration hh mm 16 00 Act
99. ltiple logical networks Stations on a logical network belong to one group called VLAN Group A station can belong to more than one group The stations on the same VLAN group can communicate with each other With VLAN a station cannot directly talk to or hear from stations that are not in the same VLAN group s the traffic must first go through a router 23 802 1Q 1P In order to resolve the limitation of port based VLAN this framework of 802 1Q 1P feature is proposed The key concepts are as below One VLAN group is treated as individual device just like there are many virtual devices on one physical device Each LAN port and PVC is similar to a VLAN switch port Each can be grouped into any 802 1Q VLAN group and individually configured as tagged or untagged The PVID of Each LAN port and PVC can be individually configured In each VLAN group it is allowed to have multiple bridge PVCs route PVCs or mixed PVOs All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes 24 Whatis Traffic Redirect Traffic redirect forwards WAN traffic to a backup gateway when the Prestige cannot connect to the Internet through it s normal gateway Thus make your backup gateway as an auxiliary backup of your WAN connection Once Prestige detects its WAN connectivity is broken Prestige will try to forward outgoing traffic to backup gateway that users specify in traffic redirect configur
100. m the NAT field in currently active remote node and assign IGA3 to P 793H v2 s WAN IP Address Step 2 Go to Web Configurator Advanced Setup Network gt NAT gt Address Mapping to begin configuring Address Mapping Set 1 We can see there are 10 blank rule table that could be configured See the following setup for the four rules in our case Rule 1 Setup Select One to One type to map the FTP Server 1 with ILA1 192 168 1 10 to IGA1 200 0 0 1 Edit Address Mapping Rule1 Type Local Start IP 192168110 5 Local End IP NWA Global Start IP 200 001 Global End IP N A Server Mapping Set N A v Edit Details Rule 2 Setup Selecting One to One type to map the FTP Server 2 with ILA2 192 168 1 11 to IGA2 200 0 0 2 Edit Address Mapping Rule2 Type J Local Start IP 92 168 1 1 Local End IP N A Global Start IP 200 0 0 2 A Global End IP N A Server Mapping Set NIA P Edit Details Rule 3 Setup Select Many to One type to map the other clients to IGA3 200 0 0 3 61 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Edit Address Mapping Rule3 Type Many to One v Local Start IP 0 0 0 0 Local End 1P dess Dr Global Start IP 200 0 0 3 Global End IP N A Server Mapping Set Edit Details reer gt cancel Rule 4 Setup Select Server type to map our web server and mail server with ILA3 192 168 1 2
101. mpoa00 none 0 Enable to capture the LAN packet by entering sys trcp channel enetO bothway Enable the trace log by entering sys trcp sw on amp sys trcl sw on Display the brief trace online by entering sys trcd brief Display the detailed trace online by entering sys trcd parse Example 99 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL cx Telnet 192 168 1 1 1 2 3 4 5 6 8 wo 0 0 Nets 0o 0 0 c 18 02 398 02 10 02 390 02 10 02 610 02 10 02 610 02 10 02 839 02 10 02 838 02 10 03 058 02 10 03 050 02 10 03 270 02 10 03 270 02 10 03 490 02 10 03 499 02 10 03 710 02 10 03 710 02 10 03 920 02 10 03 920 62 10 04 148 02 10 04 149 I5 PAFR HTE SELIS 02 10 04 360 62 10 04 588 02 10 04 580 trcp channel mpoa none trcp channel enet bothvay trcp sw on trcd brirf ENET8 RI 86854 1 ENET8 T 0128 1 ENET8 RI 846854 1 ENET8 T 0125 1 ENET8 RI 86854 1 ENET T 0196 1 ENET8 RI 86854 1 ENET8 T 0196 1 ENET8 RI8854 1 ENET8 T 0196 1 ENET8 RI88541 ENET8 T 68196 1 ENET8 RI8854 1 ENET8 T 6196 1 ENET8 RI 88541 ENET8 T 68196 1 ENET8 RI8854 1 ENET8 T 68196 1 ENET8 RI8854 1 ENETG T 68196 1 ENET8 RI8854 1 ENET amp 8 T 0196 1 2 Trace WAN packet 192 168 1 192 168 1 192 168 1 192 168 1 192 168 1 192 168 1 192 168 1 192 168 1 192 168 1 192 168 1 192 168 1 192 168 1 192 168 1 192 168 1 192 168 1 192 168 1 192 168 1 192 168 1
102. munications Corporation ZyXEL P 793H v2 Support Notes two way cable modem transmissions and while the figure also grows steadily it will not catch up with telephone lines for many years Additionally many of the older cable networks are not capable of offering a return channel consequently such networks will need significant upgrading before they can offer high bandwidth services 2 How do I know the DSL line is up You can see the DSL LEDs on the P 793H v2 s front panel are on Green when the DSL physical layer is up Note There are two DSL LEDs DSL1 and DSL2 When we use one line for Internet access or back to back application DSL 1 and DSL2 will act the same as one LED When we use 1 2 back to back application by Y cable they will show the respective DSL line status 3 How doesthe P 793H v2 work on a noisy DSL Depending on the line quality the P 793H v2 uses Fall Back and Fall Forward to automatically adjust the date rate 4 Doesthe VC based multiplexing perform better than the LLC based multiplexing Though the LLC based multiplexing can carry multiple protocols over a single VC it requires extra header information to identify the protocol being carried on the virtual circuit VC The VC based multiplexing needs a separate VC for carrying each protocol but it does not need the extra headers Therefore the VC based multiplexing is more efficient 5 How do I know the details of my DSL line statistics
103. n Edinburgh Lisbon London v C Enable Daylight Savings Start Date of 2005 01 02 at o clock End Date of 2005 01 02 at o clock 16 Using IP Multicast gt WhatisIP Multicast Traditionally IP packets are transmitted in two ways unicast or broadcast Multicastis a third way to deliver IP packets to a group of hosts Host groups are identified by class D IP addresses i e those with 1110 as their higher order bits In dotted decimal notation host group addresses range from 224 0 0 0 to 239 255 255 255 Among them 224 0 0 1 is assigned to the permanent IP hosts group and 224 0 0 2 is assigned to the multicast routers group IGMP Internet Group Management Protocol is the protocol used to support multicast groups The latest version is version 2 see RFC2236 IP hosts use IGMP to report their multicast group membership to any immediate neighbor multicast routers so the multicast routers can decide if a multicast packet needs to be forwarded At start up the P 793H v2 queries all directly connected networks to gather group membership After that the P 793H v2 updates the information by periodic queries The P 793H v2 implementation of IGMP is also compatible with version 1 The multicast setting can be turned on or off on Ethernet and remote nodes 75 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes o IP Multicast Setup 1 Enable IGMP in P 793H v2 s LAN in Web Con
104. n its TCP IP setup Please see the example shown below 40 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes TCP IP Properties 2 x Bindings Advanced NeBlOS DNS Configuration Gateway WINS Configuration IP Address An IP address can be automatically assigned to this computer If your network does not automatically assign IP addresses ask your network administrator for an address and then type it in the space below Specify an IP address 17 e est E Sure Mest o p E Set up your P 793H v2 under routing mode The following procedure shows you how to configure your P 793H v2 as Routing mode for routing traffic We will use Web Configurator to guide you through related menu 1 Configure P 793H v2 as routing mode and configure Internet setup parameters in Web Configurator Advanced Setup Network gt WAN gt Internet Connection Key Settings Option Encapsulation Multiplexing VPI amp VCI number IP Address Assignment Service Type Description Select the correct Encapsulation type that your ISP supports For example RFC 1483 Select the correct Multiplexing type that your ISP supports For example LLC Specify a VPI Virtual Path Identifier and a VCI Virtual Channel Identifier given to you by your ISP Set to Dynamic if the ISP provides the IP for the P 793H v2dynamically Otherw ise setto Static and ente
105. n t make any advanced setup in the example Step 2 Setup VPN in branch office B Be very careful about the remote IP address in branch office B because systems behind branch office B want to access systems behind branch office A and headquarter we have to specify these two segments in Remote section However if we include these two segments in one rule the LAN segment of branch office B will be also included in this single rule which means intercommunication inside branch office B will run into VPN tunnel To avoid such situation we need two separate rules to cover the LAN segment of branch office A and headquarter 0 The first rule in Branch B Branch B 1 This rule is for branch office B to access headquarter 1 Local Address Type is Range Address and IP Address Start is 192 168 2 0 IP Address End is 192 168 2 255 This section covers the LAN segment of branch office B Remote Address Type is Range Address and IP Address Start is 192 168 1 0 IP Address End is 192 168 1 255 This section covers the LAN segment of headquarter office 2 My IP Addressis the WAN IP of Prestige in Branch B 202 2 1 1 in the example Secure Gateway Address is IP address of Headquarter 202 1 1 1 in the example 97 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes 3 Suppose the pre shared key is 01234567 we should configure the same key in the corresponding rule in Headquarter VPN Gateway
106. ng Default Server Setup Default Server 0 0 0 0 Port Forwarding sen ce Name WWW Server IP Address 0 0 0 0 Add eo d aonron eeren Server IP Address E V 20 192 168 1 131 Apply Cancel 3 Using Multiple Global IP addresses for clients and servers One to One Many to One Server Set mapping types are used General Server 192 168 1 20 Other Clients 192 168 1 X Prestige FTP Server 1 192 168 1 10 3 IGAs Assigned by ISP FTP Server 2 192 168 1 11 Mapping Multiple IGAs for clients and servers In this case we have 3 IGAs from the ISP We have two very busy internal FTP servers and also an internal general server for the web and mail In this case we want to assign the 3 IGAs by the following way using 4 NAT rules a Rule 1 One to One type to map the FTP Server 1 with ILA1 192 168 1 10 to IGA1 200 0 0 1 Rule2 One to One type to map the FTP Server 2 with ILA2 192 168 1 11 to IGA2 200 0 0 2 Rule 3 Many to One type to map the other clients to IGA3 200 0 0 3 Rule 4 Server type to map a web server and mail server with ILA3 192 168 1 20 to IGA3 Type Server allows us to specify multiple servers of different types to other machines behind NAT on the LAN Ep gai 60 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Step 1 In this case we need to map ILA to more than one IGA therefore we must choose the Full Feature option fro
107. on Network WAN Wan Backup as below WAN Backup Setup WAN Backup Setup Backup Type Check WAN IP Address 1 Check WAN IP Address 2 Check WAN IP Address 3 Fail Tolerance Recovery Interval Timeout Traffic Redirect Active Traffic Redirect Metric Backup Gateway WAN Backup Setup settings DSL Link 0 0 0 0 0 0 0 0 0 0 0 0 0 sec sec 15 0 0 0 0 Backup Type Selectthe method that the P 793H v2 uses to check the DSL connection Select DSL Link to have the P 793H v2 check if the connection to the DSLAM is up Select ICMP to have the P 793H v2 periodically ping the IP address configured in the Check WAN IP Address fields Check WAN IP Address 1 3 Configure the field to test your P 793H v2 s WAN accessibility When using a WAN backup connection the P 793H v2 periodically pings the addresses configured here and uses the other WAN backup connection if configured if there is no response 80 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Fail Tolerance Type the number of times 2 recommended that your P 793H v2 may ping the IP addresses configured in the Check WAN IP Address field without getting a response before switching to a WAN backup connection Recovery Interval When the P 793H v2 is using a lower priority connection usually a WAN Backup connection it periodically checks to whether or not it can use a higher priority connection
108. oose either one If P 793H v2 is to support IPSec passthrough you have to disable the VPN 36 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes function on P 793H v2 To disable it you can either deactivate each VPN rule or issue a Cl command ipsec switch off from SMT menu 24 8 You can get into SMT menu va either telnet or console connection 15 How do I use PTM Transfer Mode P 793H v2 supports ENET PPPOE and RFC1483 encapsulation Following original design P 793H v2 supports 8 remote nodes and each remote node is separated by VLAN ID 37 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Application Notes General Application Notes 1 Internet Access Using P 793H v2 under Bridge mode Setup your workstation Setup your P 793H v2 under bridge mode If the ISP limits some specific computers to access Internet that means only the traffic to from these computers will be forwarded and the other will be filtered In this case we use P 793H v2 which works as an DSL bridge modem to connect to the ISP The ISP will generally give one Internet account and limit only one computer to access the Internet Set up your workstation 1 Ethernet connection To connect your computer to the P 793H v2 s LAN port the computer must have an Ethernet adapter card installed For connecting a single computer to the P 793H v2 we use an Ethernet ca
109. ourtelephone company must have tested the phone line for the SHDSL transfer rate 3 You must have subscribed to an ISP Internet Service Provider already and have the following information 9 The user name and password for the connection VPI VCI number Virtual Path Indentifier Virtual Circuit Identifier assigned by the Tele company 9 The encapsulation protocol the service provider supports It can be PPP RFC 1483 or ENET ENCAP 9 The DNS and gateway and ENET ENCAP Gateway if the encapsulation is ENET ENCAP 7 What should I do when the power PWR LED is off Make sure the P 793H v2 is connected to the power adapter the power adapter is plugged into a power outlet and the power switch is at the ON position 8 How to debug while DSL LED is off Check the connection between the P 793H v2 s DSL port and the wall socket or remote devices If you use the back to back application check the service type and the Standard Mode in both P 793H v2s 9 How dol verify my PC sIP address assigned by the P 793H v2 Make sure you have the P 793H v2 powered on and then turn on your PC After the PC starts select Run from the windows Start menu Enter cmd and click OK You may check IP of your PC with ipconfig Verify your cabling if the IP address box shows 0 0 0 0 10 What is Traffic Shaping Traffic Shaping is a feature in the P 793H v2 It allocates the bandwidth to WAN dynamically and aims at boosting the efficien
110. pe as IP and Content as 0 0 0 1 in the example Address Information Local ID Type IP i Content 0 0 0 0 My IP Address 202 132 154 1 Peer ID Type IP v Content 0 0 0 1 Secure Gateway Address 168 10 10 66 Note Make sure the ID Type and content consistent between the two VPN secure gateways As in the example we ve finished this field on Prestige A then when we configure Prestige B we should make it fit the following table S Prsige A Prestige B Local ID Type Dp 0 0 0 0 0 0 0 1 Peer ID Type Ip P 000 00 03 7 Fill in VPN Protocol Pre Shared Key Encryption Algorithm Authentication Algorithm in the Security Protocol field Select one VPN Protocol from the pull down menu ESP in the example Input a proper Pre Shared Key in the right table 01234567 in the example Select Encryption Algorithm to DES and Authentication Algorithm to SHA1 Security Protocol VPN Protocol ESP Pre Shared Key 01234567 Encryption Algorithm DES 89 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Note If there s a NAT router between the two VPN Secure Gateways we should only choose ESP VPN Protocol The minimum length of Pre Shared Key is 8 8 A common VPN Rule has been completed you can click Apply to save it But if you want to make more special configuration you could click Advanced to continue VPN
111. ption Control Protocol Meyer Individual Link Encryption Control Protocol Meyer IPv6 Control Protovol Hinden Stampede Bridging Control Protocol MP Control Protocol Smith Reserved Fox Not Used reserved RFC1661 Reserved Until 20 Oct 2000 IANA Reserved Until 20 Oct 2000 IANA NTCITS IPI Control Protocol Ungar Not Used reserved RFC1661 single link compression in multilink control RFC1962 Compression Control Protocol RFC1962 Not Used reserved RFC1661 Cisco Discovery Protocol Control Sastry Netcs Twin Routing Korfmacher Apple Client Server Protocol Control Ridenour Tag Switching Unicast Davie Tag Switching Multicast Davie o LCP Layer Numbers 112 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes c021 Link Control Protocol c023 Password Authentication Protocol c025 Link Quality Report c027 Shiva Password Authentication Protocol c029 CallBack Control Protocol CBCP c02b BACP Bandwidth Allocation Control Protocol RFC2125 cO2d BAP RFC2125 c081 Container Control Protocol KEN c223 Challenge Handshake Authentication Protocol c225 RSA Authentication Protocol Narayana C227 Extensible Authentication Protocol RFC2284 C229 Mitsubishi Security Info Exch Ptcl SIEP Seno c26f Stampede Bridging Authorization Protocol c281 Proprietary Authentication Protocol KEN c283 Proprietary Authentication Protocol Tackabury c481 Proprietary Node ID
112. r the IP in the IP amp Set options like Service Mode Service Type Enable Rate Adaption Transfer Max Rate Transfer Min Rate and Standard Mode 41 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes 2 Configure a LAN IP for the P 793H v2 and the DHCP settings in Web Configurator Advanced Setup Network gt LAN 3 Internet Access scenarios 4 Wire Application db Internet a R 11 38Mbps See wi ER DSLAM 2Wire Application j Mu Internet a ll Se TTT Configuration Guide In WEB Configurator Network 4 WAN Internet Connection there are three sets of settings General IP Address and Service Type 42 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Internet Access Setup More Connections WAN Backup Setup General Transfer Mode ATM v Mode Bridge v Encapsulation RFC 1483 v Multiplexing LLC v Virtual Circuit ID VPI 0 VCI 33 Line 1 DNS server First DNS Server UserDefined v 0 0 0 0 Second DNS Server UserDefined v 0 0 0 0 Third DNS Server UserDefined 0 0 0 0 Service Type Service Mode 2 wire X Service Type Client v Please set proper parameter for your Internet Access 4 Back to back scenarios 1 1 back to back 1 4 Wire Application am m m m am m m m SE SE SE Sas s S SE amp
113. raffic to make the connection stay But to reduce the consumption of system resource if VPN tunnels get disconnected either manually by idle timer or because of power cycle packet triggering is still necessary to make the tunnel up 12 Single Range Subnet which types of IP address do P 793H v2 support in VPN IPSec The mentioned P 793H v2 series support all of the types In other words you can specify a single PC a range of PCs or even a network of PCs to utilize the VPN IPSec service 13 Can P 793H v2 support IPSec passthrough Yes P 793H v2 can support IPSec passthrough P 793H v2 series don t only support IPSec VPN gateway it can also be a NAT router supporting IPSec passthrough If the VPN connection is initiated from the security gateway behind P 793H v2 no configuration is necessary for NAT nor Firewall If the VPN connection is initiated from the security gateway outside of P 793H V2 NAT port forwarding and Firewall forwarding are necessary To configure NAT port forwarding please go to WEB interface Setup SUA NAT putthe secure gateway s IP address in default server To configure Firewall forwarding please go to WEB interface Setup Firewall select Packet Direction to WAN to LAN and create a firewall rule the forwards IKE UDP 500 14 Can P 793H v2 behave asa NAT router supporting IPSec passthrough and an IPSec gateway simultaneously No P 793H v2 can t support them simultaneously You need to ch
114. red Client IP Web Server Server Port 80 Server Access Secured Client IP 3 Why can t configure my P 793H v2 using Web Configurator Telnet over WAN There are four reasons that WWW Telnet from WAN is blocked 24 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes 1 When the firewall is turned on all connections from WAN to LAN are blocked by the default ACL rule To enable WWW Telnet from WAN you must turn the firewall off or create a firewall rule to allow WWW Telnet connection from WAN The WAN to LAN ACL summary will look like as shown below WWW Source IP Remote trusted host Destination IP router WAN IP Service TCP 80 Actionz Forward TELNET Source IP Telnet Client host Destination IP router WAN IP Service TCP 23 Action Forward 2 You have disabled WWW Telnet service in SMT menu 24 11 or in Web Configurator Advanced setup Advanced gt Remote MGNT ie Telnet AE EWEN Secured Client IP al O Selected 0 0 0 0 q Note You may also need to create a Firewallrule 3 WWW Telnet service is enabled but your host IP is not the secured host entered in SMT menu 24 11 or in Web Configurator Advanced setup Advanced gt Remote MGNT 25 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Telnet Port 23 Access Status LAN amp WAN W Secured Cen
115. rently is WWW DYNDNS ORG where you apply the DNS from and update the WAN IP to 1 Setup the DDNS 1 Before configuring the DDNS settings in the P 793H v2 you must register an account from the DDNS server such as WWW DYNDNS ORG first After the registration you have a hostname for your internal server and a password using to update the IP to the DDNS server 2 Login Web Configurator Advanced Setup Advanced gt Dynamic DNS Select Active Dynamic DNS option Dynamic DNS Setup l bici Service Provider VAM DynDNS ORG v Dynamic DNS Type Dynamic DNS Host Name User Name f Password Cl Enable Wildcard Option Cl Enable off line option Only applies to custom DNS IP Address Update Policy 9 Use WAN IP Address O Dynamic DNS server auto detect IP Address Ouse specified IP Address 0 0 0 0 Key Settings Option Description Enter the DDNS server in this field Currently w e support Service Provider www DYNDNS ORG 64 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Active Toggle to Yes Enter the hostname you subscribe from the above DDNS server Host Name For example zyxel com tw User Name Enter the user name that the DDNS server gives to you Password Enter the passw ordthatthe DDNS server gives to you Enter the hostname for the w ildcard function that the Enable Wildcard WWW DYNDNS ORG supports Note
116. rload and Server The details of the mapping between ILA and IGA are described as below Here we define the local IP addresses as the Internal Local Addresses ILA and the global IP addresses as the Inside Global Address IGA 0 One to One In One to One mode the P 793H v2 maps one ILA to one IGA All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Eq Many to One In Many to One mode the P 793H v2 maps multiple ILA to one IGA This is equivalent to SUA i e PAT port address translation ZyXEL s Single User Account feature that previous ZyNOS routers supported the SUA is optional in today s P 793H v2 routers Many to Many Overload In Many to Many Overload mode the P 793H v2 maps multiple ILA to shared IGA Many One to One In Many One to One mode the P 793H v2 maps each ILA to unique IGA Server In Server mode the P 793H v2 maps multiple inside servers to one global IP address This allows us to specify multiple servers of different types behind the NAT for outside access Note if you want to map each server to one unique IGA please use the One to One mode L1 L1 The following table summarizes the five types NAT Type IP Mapping One to One _ ILA1 lt gt IGA1 Many to One ILA1 lt gt IGA1 1 SUA PAT ILA2 lt gt IGA ILA1 lt gt IGA1 ILA2 lt gt IGA2 M RE ILA3 lt gt IGA1 ILA4 lt gt IGA2 ILA1 lt gt IGA1 Many ILA2 lt gt IG
117. rporation ZyXEL P 793H v2 Support Notes General Active Firewall go Bypass Triangle Route A Caution When Bypass Triangle Route is checked all LAN to LAN and WAN to WAN packets will bypass the Firewall check Packet Direction Default Action WAN to LAN Drop w LAN to WAN Permit v 22 How to setup Dial Backup Please refer to 20 How to setup traffic redirect in P 793H v2 to Configure parameters in WEB Configuration Network WAN Wan Backup After finishing WAN Backup Setup settings please do below configurations for dial backup Dial Backup Active Dial Backup Metric 15 Port Speed 115200 User Name m Password Primary Phone Number Advanced Setup Active Turn on or off dial backup Metric Enter a number from 1 to 15 to give your dial backup route a priority number The smaller the number the higher priority the route has Note This field sets this router s priority among the three routes the P 793H v2 uses normal traffic redirect and dial backup If the three routes have the same metrics the priority of the routes is as follows WAN Traffic Redirect Dial Backup Port Speed Use the drop down list box to select the speed of the connection between the dial backup port and the external device User Name Type the login name assigned by your ISP Password Type the password assigned by your ISP Primary Phone Number Type the first phone number from the ISP for this
118. set Menu 11 1 Remote Node Profile Rem Node Name MyISP Route IP Active Yes Bridge No Encapsulation PPPoE Edit IP Bridge No Multiplexing LLC based Edit ATM Options No Service Name Edit Advance Options No Incoming Telco Option Rem Login Allocated Budget min 0 Rem Password Period hr 0 Outgoing Schedule Sets 1 My Login user Nailed Up Connection No My Passwords Session Options Authen CHAP PAP Edit Filter Sets No Idle Timeout sec 0 O0 Time Service in P 793H v2 There is no RTC Real Time Clock chip so the P 793H v2 should launch a mechanism to get current time and date from external server in boot time Time service is implemented by the Daytime protocol RFC 867 Time 74 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Protocol eee and NTP protocol RFC 1305 You have to assign an IP address of a time server and then the P 793H v2will get the date time and time zone information from this server You can configure it in Web Configurator Advanced Setup Maintenance gt System gt Time Setting Time Setting Current Time and Date Current Time 11 08 14 Current Date 2005 12 27 Time and Date Setup O Manual New Time hh mm ss New Date yyyy mm dd y y d Get from Time Server gt lt time Protocol Daytime RFC 857 co ver ress iod Time Zone Setup Time Zone GMT Greenwich Mean Time Dubli
119. slog 514 udp printer 515 tcp spooler line printer spooler talk 517 udp ntalk 518 udp efs 520 tcp for LucasFilm route 520 udp router routed timed 525 udp timeserver tempo 526 tcp newdate courier 530 tcp rpc conference 531 tcp chat rvd control 531 udp MIT disk netnews 532 tcp readnews netwall 533 udp for emergency broadcasts uucp 540 tcp uucpd uucp daemon klogin 543 tcp Kerberos authenticated rlogin kshell 544 tcp cmd and remote shell new rwho 550 udp new who experimental remotefs 556 tcp rfs server rfs Brunhoff remote filesystem rmonitor 560 udp rmonitord experimental 124 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL monitor 561 udp garcon 600 tcp maitrd 601 tcp busboy 602 tcp acctmaster 700 udp acctslave 701 udp acct 702 udp acctlogin 703 udp acctprinter 704 udp elcsd 704 udp acctinfo 705 udp acctslave2 706 udp acctdisk 707 udp kerberos 750 tcp kdc kerberos 750 udp kdc kerberos master 751 tcp kerberos master 751 udp passwd server 752 udp userreg server 753 udp krb prop 754 tcp erlogin 888 tcp kpop 1109 tcp phone 1167 udp ingreslock 1524 tcp maze 1666 udp nfs 2049 udp knetd 2053 tcp eklogin 2105 tcp rmt 5555 tcp rmtd mtb 5556 tcp mtbd man 9535 tcp Ww 9536 tcp mantst 9537 tcp bnews 10000 tcp rscsO 10000 udp queue 10001 tcp rscs1 10001 udp poker 10002 tcp rscs2 10002 udp gateway 10003 tcp rscs3 10003 udp remp 10004 tcp rscs4 10004 udp rscs5 10005 udp
120. sums are recomputed and the packet is delivered to its true destination This is because SUA keeps a table of the IP addresses and port numbers of the local systems currently using it 10 What is the difference between SUA and Full Feature NAT When you edit a remote node in Web Configurator Advanced Setup Network gt Remote Node gt Edit there will be three options for you None GUA Only Full Feature SUA Single User Account in previous ZyNOS versions is a NAT set with 2 rules Many to One and Server With SUA visible servers had to be mapped to different ports since the servers share only one global IP The P 793H v2 now has Full Feature NAT which supports five types of IP Port mapping One to One Many to One Many to Many Overload Many to Many No Overload and Server You can make special application when you select Full Feature NAT For example With multiple global IP addresses multiple severs using the same port e g FTP servers using port 21 20 are allowed on the LAN for outside access All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes The P 793H v2 supports NAT sets on a remote node basis They are reusable but only one set is allowed for each remote node The P 793H v2 supports 8 sets since there are 8 remote nodes By factory default the NAT is select as SUA in Web Configurator Advanced Setup Network gt NAT General NAT Setup
121. t 2010 Zy XEL Communications Corporation 129
122. t 1 WAN LAN Packet Trace gt Capture the detailed logs by Hyper Terminal to do it 9 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Prestige ipsec debug 1 IPSEC debug level 1 Prestige catcher recv pk numPkt lt 1 gt get hdrnxt payload 1 exchMode 2 m id 0 len 80 f76af206 b187aae3 00000000 00000000 01100200 00000000 00000050 00000034 00000001 00000001 000000280101000100000020 01010000 80010001 80020001 80040001 80030001 800b0001 800c0e10 In isadb get entry nxt_pyld 1 exch 2 New SA 2 View IPSec Log We can also view the log for IPSec and IKE connections for trouble shooting On P 793H v2 we can check the logs va Web Configurator or CLI The log menu is also useful for troubleshooting please capture to us if necessary For example Select IPSec and IKE in Web Configurator Maintenance gt Logs Log Settings Active Log and Alert Log Send Immediate Alert oO System Maintenance L System Errors oO System Errors oO Access Control Cl Access Control C Blocked Web Sites uPnP Attacks Cl Forward Web Sites Cl IPSec Cl Blocked Web Sites 1kE Cl Attacks v IPSec Geer Cancel Then after a successful or failed VPN connection we could view the relevant information from Web Configurator Maintenance gt Logs gt View Log View Logs Display Al Logs v Email Log Now Clear Log l Time e Message Sure l Destination al No
123. t Firewall Policy LAN to WAN WAN to LAN WAN to WAN is generated automatically with factory default setting but you can customize it in Web Configurator Advanced setup Maintenance gt Logs gt Log Settings 2 What doesthe log show to us The log supports up to 128 entries There are 5 columns for each entry Please see the example shown below DECUS ee 12 13 2005 m ACCESS i te Firewall default policy TCP Lto W 192 168 1 33 3466 207 69 188 186 5000 PERMITTED 3 How do I view the firewall log All logs generated in P 793H v2 including firewall logs IPSec logs system logs are migrated to centralized logs So you can vew firewall logs in Centralized logs Web Configurator Advanced setup Maintenance gt Logs View Log The log keeps 128 entries the new entries will overwrite the old entries when the log has over 128 entries Before you can view firewall logs there are two steps you need to do 1 Enable log function in Centralized logs setup via either one of the following methods a Web configuration Advanced Setup Maintenance gt Logs gt Log Settings Active Log and Alert check options depending on your real situation o CI command sys logs category access attack 2 Enable log function in firewall default policy or in firewall rules After the above two steps you can view firewall logs via 0 Web Configurator Advanced setup Maintenance gt Logs View Log q View the log by
124. t IP Sal O selected 0 0 0 0 Q Note You may also need to create a Firewallrule 4 A filter set which blocks WWW Telnet from WAN is applied to WAN node The default filter rule 3 Telnet FTP WAN is applied in the Input Protocol field in menu 11 5 4 Why can t upload the firmware and configuration file using FTP over WAN 1 When the firewall is turned on all connections from WAN to LAN are blocked by the default ACL rule To enable FTP from WAN you mustturn the firewall off Menu 21 2 or create a firewall rule to allow FTP connection from WAN The WAN to LAN ACL summary will look like as shown below Source IP FTP host Destination IP P 793H v2 s WAN IP Service FTP TCP 21 TCP 20 Actionz Forward 2 You have disabled FTP service in Menu 24 11 or in Web Configurator Advanced setup Advanced gt Remote MGNT 3 FTP service is enabled but your host IP is not the secured host entered in SMT menu 24 11 or in Web Configurator Advanced setup Advanced gt Remote MGNT 4 A filter set which blocks FTP from WAN is applied to WAN node The default filter rule 3 Telnet FTP WAN is applied in the Input Protocol field in menu 11 5 Log and Alert 1 When does the P 793H v2 generate the firewall log 26 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes The P 793H v2 generates the firewall log immediately when the packet matches a firewall rule The log for Defaul
125. tent should be the same as Prestige A s Local ID Type Content IP 0 0 0 0 in the example Step 3 Verify if the VPN Tunnel has been established successfully If the connection between PC 1 and PC 2 is ok we know the tunnel works Please try to ping from PC 1 to PC 2 or PC 2 to PC 1 If PC 1 and PC2can ping to each other ping 192 168 2 33 or 192 168 1 33 in the example it means that the IPSec tunnel has been established successfully If the ping fails there are two methods to troubleshoot IPSec in Prestige 1 Check the VPN Monitor On P 793H v2 Web Configurator Security gt VPN gt Monitor you can check every active IPSec connections The VPN Name Encapsulation and IPSec Algorithm will be shown in the Monitor Table If you can t see the name of your IPSec rule it means thatthe SA establishment fails You need to go to the VPN Setup Page to check your settings cov NILUM Monitor PES Oo 2 O 3 gt Use CI command ipsec debug on If the Monitor shows that the VPN tunnel has been established successfully but the PC1 and PC 2 can t reach each other We can invoke command ipsec debug 1 in CLI for trouble shooting There should be lots of detailed messages printed out to show how negotiations are taken place If IPSec connection fails please dump ipsec debug 1 and send the dump information to Support Engineer for a solution The following shows an example of dumped messages You can refer to Support Tool g
126. tes CI Command Reference Command Syntax and General User Interface CI has the following command syntax command lt iface device gt subcommand param command subcommand param command help command subcommand help General user interface 1 Shows the following commands and all major sub commands 2 exit Exit Subcommand To get the latest Cl Command list The latest Cl Command list is available in release note of every ZyXEL firmware release Please goto Zy XEL public WEB site http www zyxel com support download index php to download firmware package zip you should unzip the package to get the release note in PDF format 109 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Reference 1 PPP Numbers POINT TO POINT PROTOCOL FIELD ASSIGNMENTS PPP DLL PROTOCOL NUMBERS The Point to Point Protocol PPP Data Link Layer 146 147 175 contains a 16 bit Protocol field to identify the encapsulated protocol The Protocol field is consistent with the ISO 3309 HDLC extension mechanism for Address fields All Protocols MUST be assigned such that the least significant bit of the most significant octet equals 0 and the least significant bit of the least significant octet equals 1 o Network Layer Numbers Value in hex Protocol Name 0001 Padding Protocol 0003 to 001f reserved transparency inefficient 0021 Internet Protocol version 4 0023 OSI Network
127. tes NI 2 How to build a VPN between Secure Gateway with Dynamic WAN IP Address 92 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Most of the cases static IP addresses are used for VPN tunneling endpoints But for SOHO users generally it is a dynamic case In this case this IP will not be available to be predefined in the VPN box There are some tips when configure Prestige in any dynamic case 0 Prestige static WAN IP v s peer side dynamic IP We need to note 1 In VPN settings of Prestige please specify the IP address of Secure Gateway as 0 0 0 0 2 The VPN connection can ONLY be initiated from dynamic side to static side in order to update its dynamic IP to the static side 3 In peer side are you using Win2K built in IPSec In this case W2K won t capture the dynamic IP address automatically for you You have to obtain your dynamic IP address and then go back to IPSec configuration to setup your current IP address 1 Prestige dynamic WAN IP v s peer side static IP We need to note 1 In VPN settings of Prestige please specify the IP address of My IP as 0 0 0 0 Prestige will automatically bind it s current WAN IP address to IPSec 2 IPSec tunnel in this case can ONLY be initiated from Prestige 3 In peer side are you using SonicWALL NetScreen SonicWALL requires you to enter an ID in FQDN format to identify Prestige 1 Prestige dynamic WAN
128. that it contains an offset field The Teardrop program creates a series of IP fragments with overlapping offset fields When these fragments are reassembled at the destination some systems will crash hang or reboot 9 Whatis SYN Flood attack SYN attack floods a targeted system with a series of SYN packets Each packet causes the targeted system to issue a SYN ACK response While the targeted system waits for the ACK that follows the SYN ACK it queues up all outstanding SYN ACK responses on what is known as a backlog queue SYN ACKs are moved off the queue only when an ACK comes back or when an internal timer which is set a relatively long intervals terminates the TCP three way handshake Once the queue is full the system will ignore all incoming SYN requests making the system unavailable for legitimate users 22 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes 10 What is LAND attack In a LAN attack hackers flood SYN packets to the network with a spoofed source IP address of the targeted system This makes it appear as if the host computer sent the packets to itself making the system unavailable while the target system tries to respond to itself 11 Whatis Brute force attack A Brute force attack such as Smurf attack targets a feature in the IP specification known as directed or subnet broadcasting to quickly flood the target network with useless data A Smurf hacker flood a
129. the Reset button 1 Turn your P 793H v2 on Make sure the POWER led is on not blinking 5 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes 2 Press the RESET button for longer than one second and shorter than five seconds and release it If the POWER LED begins to blink the P 793H v2 s wireless auto security function OTIST has been enabled 3 Press the RESET button for six seconds and release it If the POWER LED begins to blink the default configuration has been restored and the P 793H v2 restarts 9 What is SUA When should I use SUA SUA Single User Account is a unique feature supported by P 793H v2 router which allows multiple people to access Internet concurrently for the cost of a single user account When P 793H v2 acts as SUA receives a packet from a local client destined for the outside Internet it replaces the source address in the IP packet header with its own address and the source port in the TCP or UDP header with another value chosen out of a local pool It then recomputes the appropriate header checksums and forwards the packet to the Internet as if it is originated from P 793H v2 using the IP address assigned by ISP When reply packets from the external Internet are received by P 793H v2 the original IP source address and TCP UDP source port numbers are written into the destination fields of the packet since it is now moving in the opposite direction the check
130. tication methods P 793H v2 VPN supports both SHA1 and MD5 AH provides authentication integrity and replay protection but not confidentiality Its main difference with ESP is that AH also secures parts of the IP header of the packet like the source destination addresses but ESP does not ESP can provide authentication integrity replay protection and confidentiality of the data it secures everything in the packet that follows the header Replay protection requires authentication and integrity these two go always together Confidentiality encryption can be used with or without authentication integrity Similarly one could use authentication integrity with or without confidentiality 4 am planning my P 793H v2 to P 793H v2 VPN configuration What do need to know First of all both P 793H v2s must have VPN capabilities 32 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes If your P 793H v2 is capable of VPN you can find the VPN options in Advanced VPN tab For configuring a box to box VPN there are some tips 1 If there is a NAT router running in the front of P 793H v2 please make sure the NAT router supports to pass through IPSec 2 n NAT case either run on the frond end router or in P 793H v2 VPN box only IPSec ESP tunneling mode is supported since NAT againsts AH mode 3 Source IP Destination IPPlease do not number the LANs local and remote using
131. type is shown below Edit Address Mapping Rule5 Type Local Start IP 192 168 1440 Local End IP ___ Global Start IP 00 0 0 1 Global End IP Server Mapping Set Edit Details We can also do this by configure threeOne to One mapping type rules 10 Using the Dynamic DNS DDNS Whatis DDNS The DDNS service an IP Registry provides a public central database where information such as email addresses hostnames IPs etc can be stored and retrieved This solves the problems if your DNS server uses an IP associated with dynamic IPs Without DDNS we always tell the users to use the WAN IP of the P 793H v2 to access the internal server It is inconvenient for the users if this IP is dynamic 63 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes With DDNS supported by the P 793H v2 you apply a DNS name e g www zyxel com tw for your server e g Web server from a DDNS server The outside users can always access the web server using the www z yxel com tw regardless of the WAN IP of the P 793H v2 When the ISP assigns the P 793H v2 a new IP the P 793H v2 must inform the DDNS server the change of this IP so that the server can update its IP to DNS entry Once the IP to DNS table in the DDNS server is updated the DNS name for your web server i e www zyxel com tw is still usable The DDNS servers the P 793H v2supports cur
132. umbers Service Port Number L FTP 21 Telnet 23 SMTP 25 DNS Domain Name Server 53 www http Web 80 PPTP Point to Point Tunneling 1723 Protocol Examples Internet Access Only Internet Access with an Internal Server Using Multiple Global IP addresses for clients and servers Support Non NAT Friendly Applications 1 Internet Access Only In our Internet Access example we only need one rule where all our ILAs map to one IGA assigned by the ISP You can just use the default SUA NAT or you could select Full Feature NAT and select an Address Mapping Set with a Many to One Rule See the following figure 58 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Client 1 ILA1 Client 2 ILA2 Prestige Client 3 ILA3 E IGA Assigned by ISP Client 4 ILA4 Internet Access Using NAT Many to One Mappin 2 Internet Access with an Internal Server Client 1 ILA1 Client 2 ILA2 Prestige Client 3 ILA3 E IGA Assigned by ISP FTP Server ILA4 Internet Access using NAT Many to One plus a Server Set In this case we do exactly as the figure use the convenient pre configured SUA Only set and also go to Web Configurator Advanced Setup Network gt NAT Port Forwarding to specify the Internet Server behind the NAT as 59 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes Port Forwardi
133. urther information on how to apply it When you select SUA Only the P 793H v2 will use a default SUA Address Mapping set for it It has two rules Many to One and Server You can see it in SMT menu 15 Menu 15 1 2855 Address Mapping Rules Set Name SUA Idx Local Start IP Local End IP lhe B i 4 Er 6 Dr 8 sE g Please note that the fields in this menu are read only However the settings of the rule set 2 can be modified in Web Configurator Advanced Setup Network 56 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes gt NAT gt Port Forwarding The following table explains the fields in this above screen Field Description Option Example set This is sequence number for Address Mapping Sets 255 for SUA Internal 0 0 0 0 for the This is the starting local IP address ILA Start IP Many to One type Local End This is the starting local IP address ILA If the rule is 2 for all local IPs then the Start IP is 0 0 0 0 andthe 255 255 255 255 End IP is 255 255 255 255 This is th ing global IP IGA If Global Start is is t erating gopa address IGA f you Ip have a dynamic IP enter 0 0 0 0 as the Global Start 0 0 0 0 IP Global End E This is the ending global IP address IGA N A NAT Server Sets The NAT Server Set is a list of LAN side servers mapped to external ports similar to the old SUA menu of before If you wish you can make inside servers for diff
134. wall for P 793H v2 By factory default if you connect your PC to the LAN Interface of P 793H v2 you can access Web Configurator via http 192 168 1 1 23 All contents copy right O 2010 Zy XEL Communications Corporation ZyXEL P 793H v2 Support Notes 2 How do I prevent others from configuring my firewall There are several ways to protect others from touching the settings of your firewall 1 Change the default Administrator password since it is required when setting up the firewall using Telnet Console or Web browser 2 Limit who can telnet to your P 793H v2 or access P 793H v2 s Web Configurator You can enter the IP address of the secured LAN host in Web Configurator Advanced Setup Advanced gt Remote MGNT gt Service gt Secured Client IP to allow special access to your P 793H v2 Port 80 Access Status LAN amp WAN v Secured Client IP Gal Selected 0 0 0 0 Note 1 For UPnPto function normally the HTTP service must be available for LAN computers using UPnP 2 You may also need to create a Firewallrule The default value in this field is 0 0 0 0 which means you do not care which host is trying to telnet your P 793H v2 or access the Web Configurator of Plus Above configuration can also be realized va SMT menu 24 11 as below Menu 24 11 Remote Management Control TELNET Server Server Port 23 Server Access ALL Secured Client IP FTP Server Server Port 21 Server Access Secu
135. y Protocol Sastry Netcs Twin Routing Korfmacher Luxcom Sigma Network Systems Apple Client Server Protocol Ridenour Tag Switching Unicast Davie Tag Switching Multicast Davie Cray Communications Control Protocol Stage CDPD Mobile Network Registration Protocol Quick Stacker LZS Simpson RefTek Protocol Banfill o NCP Layer Number 8001 801f 8021 8023 8025 8027 8029 Not Used reserved RFC1661 Internet Protocol Control Protocol OSI Network Layer Control Protocol Xerox NS IDP Control Protocol DECnet Phase IV Control Protocol Appletalk Control Protocol 111 All contents copy right 2010 Zy XEL Communications Corporation ZyXEL 802b 802d 802f 8031 8033 8035 8037 8039 803b 803d 803f 8041 8043 8045 8047 8049 804b 804d 804f 8051 8053 8055 8057 806f 8073 8071 807d 8081 8083 80c1 80cf 80fb 80fd 80ff 8207 8209 8235 8281 8283 P 793H v2 Support Notes Novell IPX Control Protocol reserved reserved Bridging NCP Stream Protocol Control Protocol Banyan Vines Control Protocol reserved till 1993 reserved reserved Multi Link Control Protocol NETBIOS Framing Control Protocol Cisco Systems Control Protocol Ascom Timeplex Fujitsu LBLB Control Protocol DCA Remote Lan Network Control Protocol RLNCP Serial Data Control Protocol PPP SDCP SNA over 802 2 Control Protocol SNA Control Protocol IP6 Header Compression Control Protocol KNX Bridging Control Protocol ianp Encry
136. ype that your ISP supports For example RFC 1483 Select the correct Multiplexing type that your ISP supports For example Encapsulation Multiplexing LLC VPI amp VCI Specify a VPI Virtual Path Identifier and a VCI Virtual Channel number Identifier given to you by your ISP 2 Turn off DHCP Server and configure a LAN IP for the P 793H v2 in Web Configurator Advanced Setup Network gt LAN We use 192 168 1 1 as the LAN IP for P 793H v2 in this case Step 1 Inactivate DHCP Server and apply Step 2 Assign an IP to the LAN Interface of P 793H v2 e g 192 168 1 1 2 Internet Access Using P 793H v2 under Routing mode For most Internet users having multiple computers want to share an Internet account for Internet access they have to install an Internet sharing device like a router In this case we use the P 793H v2 which works as a general Router plus a DSL Modem Set up your workstation 1 Ethernet connection Connect the LAN ports of all computers to the LAN Interface of P 793H v2 using Ethernet cables 2 TCP IP configuration Since the P 793H v2 is set to DHCP server as default so you need only to configure the workstations as the DHCP clients in the networking settings In this case the IP address of the computer is assigned by the P 793H v2 The P 793H v2 can also provide the DNS to the clients va DHCP ifit is available For this setup in Windows we check the option Obtain an IP address automatically i

ZyXEL Prestige 793H v2

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