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1. 6 2 Static Port Setting Port Forwarding 60 9 cce e GERE EG te e ERE OR Y Rev eb oe Chapter 7 Configuring Your Wide Area Network e eeeeeeeeeee eere 41 7 Selecting the right connection for your Broadband Internet Service 41 7 2 Setup on Compex CGX3224 for Broadband Internet Access 7 3 Configuring Static IP Connection 7 4 Configuring Dynamic IP Connection 7 4 1 to Configure Singapore Cable Vision SCV Service 7 4 2 How to Configure HOME Cable Service eee 7 5 Configuring PPP over Ethernet Session PPPOoE seseseee 7 5 1 How to Configure SingNet PacNet amp QALA DSL 46 Chapter 8 Advanced Configuration for Compex 224 49 8 1 STP Configuration Sal STP Portis cnaceneacccaueenanauanenauatete m ue e aeq ege vil Table of Contents STR Brid jennen RH a NR E ERG 8 2 IGMP ConfigUtatlOn iius esce eret eversa a EET Eie VUE AN EXE e eR EA Eee ERU 8 2 1 Definition on IGMP v1 0 and v2 0 8 3 Stack Configurati n i sce n E epe EE Yea e 8 3 1 Simple Application on Stack Management sse 8 4 SNMP Configuration 8 5 RMON Statistics 8 6 Por
2. X console ORES neser Stack Access Master 1 168 100 CGXS224 munimen Master 1 00 80 48 00 00 4 192 168 100 12 Slave 2 00 80 48 1 0 7 192 168 100 128 Slave 3 00 80 78 e7 1 0 2d 192 168 100 128 Welcome to CGX3224 Switch Web Manager Figure 8 3e Listing of all switches in the stack 6 Next after clicking on the selected switch you will be able to view the necessary information for switches Stack Management Stack Setting Stacking State enable 2 Apply Seve Stack Member List SN Type MAC Address IP Address System Name 1 Master 00 80 48 00 00 4c 192 168 88 128 CGX3224 2 Slave 00 80 48 R f0 7a 192 168 88 128 123 Figure 8 3f Information on all switches in the stack 61 Chapter 8 Advanced Configuration for Compex CGX3224 8 4 SNMP Configuration SNMP is a communication specification that defines how management information is exchanged between network management applications and management agents You can manage Compex CGX3224 using an SNMP application if the switch and the application contains the same community string Use this page to set or modify the SNMP configuration parameters The Community String settings in this page provide different levels of access for SNMP management applications SNMP Management State Community Setting SNMP State enable Z Read Only Community String public
3. Workstation Figure 8 la Before implementing STP function 50 Chapter 8 Advanced Configuration for Compex CGX3224 However if STP is activated on both switches broadcast and multicast packets would be transmitted as shown in Figure 8 1b To provide this desired path redundancy as well as preventing bridging loops STP defines a tree that spans all switches in an extended network STP forces certain redundant data paths into a blocked state leaving others in the forwarding state If a link in forwarding state becomes unavailable STP will reconfigure the network and re route the data paths by activating the appropriate standby paths Workstation A CGX3224 Unit 1 Workstation B Figure 8 1b After implementing STP function 51 Chapter 8 8 1 1 Advanced Configuration for Compex CGX3224 STP Port When Compex CGX3224 first powers up all bridges will declare themselves to be the root The one with the lowest priority will be the root The bridges will stop advertising themselves and use the Bridge Protocol Data Units BPDUS of the root bridge During normal operation for Compex CGX3224 the ports are either forwarding or disabling Spanning Tree Port Parameters STP Port STP Bridge Bridge Port PathCost areas Designated Hrudge Fort State a ps pas 0 0 000000000000 0 00 Forwarding 1 19 128 0 0 000000000000 0 00 esum 2 19 128 0 0 000000000000 000 Disabled 3 19 1
4. AS ees a Ane Group Status VID 12345678 9 101112131415 1617 181920212223242526 1 en 0001 UULUUULUULULUULULUULUULUUUUUUUUUUU 2 e uuuuuuuUUUUU u fen ko UUUUUUUUUUUU U 5 6 Figure 11 1b Configuration on Web based Interface for Unit 1 Untagged 85 Chapter 11 11 1 2 Application on Virtual LAN Configuration for CGX3224 Unit 72 VLANA As mentioned in the previous section we have activated the stacking management function In this way we can directly configure the 2 set of CGX3224 through Unit 1 To do so 1 After activating stacking management function the system will automatically detect all switches connected to the network Click on the Slave switch from the Stack Access field Next you may go to VLAN Config option and enable the Status at Group 2 Set the VID number to 10 Between 2 to 4094 Notice that the VID Number for Untagged VLAN A and VLAN B can be different Click on to U for Port 1 to 12 and 25 From the example shown in Figure 11 1a we occupied only Port 5 and 78 the rest of the ports can be set in advanced for further usage VLANB 5 7 Enable the Status at Group 3 and set the VID number to 20 Any number between 2 to 4094 VID number for Untagged VLAN A and VLAN B may not be the same from CGX3224 Unit 1 and 2 Click on to U for Port 13 to 24 and 26
5. ols es e e Firmware version 1 20 Build 2002 2002 10 02 Loading firmware Attaching interface 100 Port 26 module Port 25 GMII module Link Down CGX3224 Switch Manager Console Version 6 1 20 Bld 2002 Oct 2 2002 Password 0643224 Switch Manager Console Version CGX1 20 Bld 2002 Oct 2 2002 Password Connected 00008 INST EE 5 E s Figure3 3e Information on Compex CGX3224 Configuration You can modify the configuration on the screen itself such as changing the IP Address after you have upgrade the firmware 18 Chapter 3 Software Installation 3 4 Configuration of Compex CGX3224 using Web based Interface After setting up Compex CGX3224 install a browser on the PC or workstation Make sure that TCP IP protocol is installed and configured Configuration will be much simpler if you decided to obtain IP address dynamically and use the gateway default IP addresses Compex CGX3224 comes with a built in DHCP server that automatically assigns IP addresses DNS and Gateway information to the computers connected in the same network It has been pre configured with IP address and Subnet Mask of 192 168 100 128 and 255 255 255 0 respectively An Internet browser would be used to configure Compex CGX3224 The most commonly used browsers include Netscape Navigator Netscape Communicator and Microsoft Internet Explorer browsers as they support
6. 1 2 1 Fast Ethernet Switching 1 2 2 SNMP Management Functions 1 2 3 Aggregated Router Capability 1 2 4 Port Trunking 1 2 5 VLAN support and Tagging 1 2 6 Optional nene nennen 1 2 7 Management Interface and 1 2 8 Group VLAN Registration Protocol GVRP 1 2 9 Redundant Power Supply eerie reete reser Eei EE eee e eee e 1 2 10 Spanning Tree Protocol niter rerit Pert prine ede ees 1 3 Panel Views 2 Panel Eeatures ica ceca a a ed pae TRU UC I CREE CI 1 57 SpectfiCaliOris e p ole ea ere dede e ran Cae eR Re eu eed Chapter 2 Hardware Installation eee 9 2 1 inneren 2 1 1 Software Requirements 2 1 2 Hardware Requirements ss 21332 Moden Requirements eese 2 2 Physical Setup for Compex CGX3224 2 2 1 Desktop Installation 2 2 2 Rack Mounted Installation 2 2 3 Expansion Module Installation 2 2 4 Removing the Expansion Module 2 3 Connecting Your Modem to Compex CGX3224 2 4 Connecting Your Compex CGX3224 to your Network vi
7. e m Tj m C Linux into C3 Mslanman dos 1 Ral CJ Mslanman os2 C Nwdxk312 15 Ndis2 CiJNw5 0 C3 utility Ndis3 CJ Pathwork O wiwa 7 Lantast6 Onas CJ Penfs E winz000 Jn File name IMsgwindow Save as type HTML File htm html bd Cancel Language Figure9 7b Save your document 81 Chapter 9 Using SYSTEM TOOLS Menu 9 8 9 9 Reboot Switch Rebooting of Compex CGX3224 is required after changes are made in the configuration or setting Click Yes to reboot the switch The system will prompt you to logon again after 30 seconds to see the effect Reboot Switch Reboot the Switch Yes Figure9 8a Rebooting Compex CGX3224 Logout By clicking Logout button you will get a logout GUI as shown below Alternatively you can log again into the web based browser http 192 168 100 128 or the new IP address which you have assigned to the switch Management session was suspended Please log in again Logon Figure 9 9 Logon to the system if amendments still needed NOTE If you changed a new IP Address for Compex CGX3224 the system will NOT automatically changed to the new IP address after you click on the Logon button 82 Chapter 10 Using HELP Menu Chapter 10 Using HELP Menu 10 1 Technical Support For more information on technical support click on Technical Support in the HELP menu Here you
8. Enable the Status at Group 3 Set VID number to 22 Any number between 2 to 4094 Click on to U for Port 13 to 24 and 26 and T for Port 25 Port 19 is connected to PC 4 NOTE Please note that for Tagged VLAN VID number MUST BE the same for CGX3224 Unit 1 and 2 89 Command Reference Appendix Command Reference Command Line Basic Compex SGX3226 Switch provides a command line interface via the console connection for user to view and configure various features of the switch You may globally or individually setup each port for your desired operation Advanced features like VLAN and trunking etc e Access Level Categories Each command is assigned with an access level so that only user logins with the corresponding access level can access the command There are two access levels namely operator and administrator level y Operator access level allows users to view the switch status It is the default access mode on power up Administrator access level allows users to configure various parameter of the switch It is for IT personnel who are responsible for setup or maintenance of network system User can login to administrator via the login admin command and logout via the logout command afterward You would know if you are in Operator or Administrator access level by the greeting command prompt In Adminis
9. FW us COMPEX networks work USER S MANUAL COMPEX MANAGED SWITCH SERIES CGX3224 jo gt e ma m 49 9 m A z amp E WY Q 2 pa o 25 D Q CN N Manual number U 0355 V1 1C Copyright 2002 Compex Systems Pte Ltd Rights Reserved This document contains information which is protected by copyright Reproduction adaptation or translation without prior permission 1s prohibited except as allowed under the copyright laws Trademark Information Compex ReadyLINK and MicroHub are registered trademarks of Compex Inc Microsoft Windows and the Windows logo are the trademarks of Microsoft Corp NetWare is the registered trademark of Novell Inc All other brand and product names are trademarks or registered trademarks of their respective owners Notice Copyrights O 2002 by Compex Inc All rights reserved Reproduction adaptation or translation without prior permission of Compex Inc is prohibited except as allowed under the copyright laws Manual Revision by Ong Manual Number U 0355 V1 1C Version 1 1 November 2002 Disclaimer Compex Inc provides this manual without warranty of any kind either expressed or implied including but not limited to the implied warranties of merchantability and fitness for a particular purpose Compex Inc may make improvements and or changes to the product and or specifications of the produ
10. pe 2 3 4 5 5 7 8 g 10 1 12 13 4 Figure5 2a Setting Up of Static Procedures 1 Decide which Group you want to set for monitoring using mirror port Click status column for that particular group and key in the VLAN ID Untagge Next click on the dashed line to select either T for Tagged or U for d Hit on Apply button after you are satisfied with the setup Click Save button to update the configuration Chapter 5 Configure Compex CGX3224 using Web Interface 5 2 1 Simple application on VLAN Configuration Please refer to Application on Virtual LAN on Page 84 5 3 Trunk Configuration Port Trunking is the ability to group together several switch ports to increase the bandwidth between Compex CGX3224 and other switch This is an inexpensive method to increase throughput between switches The port trunk acts as single link between switches It does not create a loop even though it 1s physically connected as such Port Trunking Setup Non trunk Trunk Member Port Number 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 2122 23 24 25 26 e NOTE Any port can be a trunk port Max 4 trunk ports can be set Figure 5 3a Port Trunking Setup Procedures 1 You can choose up to 4 ports for trunking by selecting as T 2 Click on Apply button to make the config
11. 5 6 Enable the Status at Group 3 Set VID number to 22 Any number between 2 to 4094 Click on to U for Port 13 to 24 and 26 and select T for Port 25 From Figure 11 2a we can see that Port 13 and 19 are connected to PC 1 and Server 2 Click Save button upon confirmation Group1 16 Group17 32 Non member Tag U Untagged Static VLAN Setup AS aa aaa Ta a E A Group Status VID 12345678 9 10111213141516 17 181920212223242526 1 en 0001 UUUUULUULUULULUULULULUUULUUUUUUUUU 2 fen 2 vuuuuUUUUUUU T UUUUUUUUUUUUTU 4 5 6 Figure 11 2b Configuration on Web based Interface for Unit 1 Tagged 88 Chapter 11 11 2 2 Application on Virtual LAN Configuration for CGX3224 Unit 72 VLANA 1 After activating stacking management function the system will automatically detect all switches connected to the network Click on the Slave switch from the Stack Access field Next you may go to VLAN Config option and enable the Status at Group 2 Set VID number to 12 Any number between 2 to 4094 Click on to U for Port 1 to 12 and to T for Port 25 We are using Port 25 as a tagged port Port 7 and 8 are connected to PC 2 and PC 3 repectively VLAN B 5s 6 7
12. P lock Enable Disable Yes Administrator port s lock P trunk Set port trunk Yes Administrator P mirror Set mirror port Yes Administrator iv
13. Port 64 65 127 128 255 256 511 512 1023 1024 1518 1519 1522 Symbol CRC No byte byte byte byte byte byte byte Error Error Frames Frames Frames Frames Frames Frames Frames Frames Frames 1 2161 7612 3271 288 95 144 0 0 0 2 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 4 0 0 0 0 0 0 0 0 0 5 0 0 0 0 0 0 0 0 0 6 0 0 0 0 0 0 0 0 0 7 0 0 0 0 0 0 0 0 0 8 0 0 0 0 0 0 0 0 0 9 0 0 0 0 0 0 0 0 0 10 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 12 0 0 0 0 0 0 0 0 0 13 0 0 0 0 0 0 0 0 0 14 0 0 0 0 0 0 0 0 0 15 7656 13551 5415 1624 1341 7495 0 0 4 16 0 0 0 0 0 0 0 0 0 17 0 0 0 0 0 0 0 0 0 18 0 0 0 0 0 0 0 0 0 19 0 0 0 0 0 0 0 0 0 20 0 0 0 0 0 0 0 0 0 21 0 0 0 0 0 0 0 0 0 22 0 0 0 0 0 0 0 0 0 23 0 0 0 0 0 0 0 0 0 24 0 0 0 0 0 0 0 0 0 25 0 0 0 0 0 0 0 0 0 26 0 0 0 0 0 0 0 0 0 Refresh Figure 8 5a RMON Statistic 63 Chapter 8 Advanced Configuration for Compex CGX3224 8 6 Port Security Of all 26 ports some of the ports may need to be assigned to one specific port In order to fulfill this act MAC Address should be added to that particular port This is to restrict other users from using the static port A port can accommodate up to 20 MAC Addresses Port 1 Security Choose Port 1 New Mac Address Mac Address List Add gt Accommodate up to 20 MAC Address per port Dek DeleteAll Save NOTE Add mac address will only take effect after rebooting Figure 8 6a Input MAC Address for necessary port s Proce
14. Save Figure 5 1a Configuration for Individual Port 26 Chapter 5 Configure Compex CGX3224 using Web Interface Description of parameters Broadcast Rate Limit Port Priority Port VLAN ID Port State Flow Control This function sets broadcast limit to the desired rate for the specified port It controls the reception of broadcasting packets The range for Broadcast Rate Limit can be set from 0 to 100 The higher the rate the more data can pass through Allows you to specify the VLAN priority to expedite the VLAN traffic VLAN ID is the sequence number of a VLAN Compex CGX3224 has 32 VLANS to specify and therefore the VLAN ID is from 1 to 32 Enabling this function allows the chosen port to receive forward packets and learn the respective MAC Addresses of the source This feature reports the Flow Control setting of the port Enabling the Flow Control function allows Half and Full Duplex mode NOTE It should be noted that if the CPU port i e the switch port connected to the management port is disabled the communication link between user and the management system will be severed and the management cannot be proceed further So disabling the CPU port will be rejected automatically by the management system Procedures 1 2 Click on the image to select a port or select from the Choose Port field Enter the values in the respective field accordingly and click on the Apply
15. Table of Contents Chapter 3 Software Installation eene n nennen 14 3 1 Configuration on PC Settings eee rennen ener ener nennen ena 14 3 2 NPfind Utility Software 3 3 Configuration of Compex CGX3224 using Hyper Terminal eese 16 3 4 Configuration of Compex CGX3224 using Web based Interface 19 3 4 1 Login to Web Browser Interface essesseeseeeeeeeeee nennen nennen 19 Chapter 4 Applications sccssscscessseccsssscccceseeesssssccsseceesssssssscesseeessssssoees 24 Chapter 5 Configure Compex CGX3224 using Web Interface 26 Port Configuration ee EEUU ne C OOE 5 2 Virtual Local Area Network VLAN Configuration 5 2 1 Simple application on VLAN Configuration 5 3 Trank Configuration oet decree ttr eet det deed eine elei e eese de e ete dele 5 3 1 Simple application on Port 5 4 DHCP Configuration S44 DACP Active Eedses ueteri rite venies tesi vm a amp 2 DHCP Serye R servations n nirereto ian it etd perta 5 4 3 Delete IP Address in Server Reservations 5 5 WAN Configuration c i E e e EO Pe re e ii ecu Chapter 6 Configuration eee e 37 6 1 Static IP Setting IP
16. 100V 240V AC 50 60Hz Chapter 1 1 5 Product Overview Specifications Industry Standards Complies with IEEE 802 1d Spanning Tree Protocol IEEE 802 1Q Tagged VLAN IEEE 802 3 10 Base T IEEE 802 3u 100 Base TX 100 Base SC IEEE 802 3ab 1000 Base T IEEE 802 3ad Link Aggregation IEEE 802 3z 1000 Base SX IEEE 802 3x Flow Control Certificate Standards FCC Class A CE Mark C Tick UL Interface 24 RJ45 UTP 10 100 Mbps ports 2 expandable slots RS232 serial interface SNMP Management 4 groups of RMON Group 1 Ethernet Statistic Group 2 History Group 3 Alarm Group 9 Events Virtual LAN Port based VLAN Tagged VLAN Spanning Tree Protocol Yes Flash ROM 2 M bits Port Mirroring Yes Switching Method Store and Forward Management Interface Web based Interface RS232 or Telnet Console Port Trunking Up to 4 ports trunk Product Overview LED Indicators Power Link Activity Mode Speed 10 100 1000Mbps Duplex status Operation Mode N Way Auto negotiation Force Mode Transmission Mode Full Duplex Half Duplex Optional Modules 100Base FX Single Multi Mode Fiber Fast Ethernet Module 1000Base LX SX Gigabit on Fiber Module 1000Base T Copper module Power Supply e Internal power supply is provided with voltage ratings of 100 V AC to 240 V AC 50 60 Hz e Power consumption is 40 W
17. 128 Figure 3 2a Npfind discovered Compex Product Contact your area of support for help if needed or write to us at support compex com sg 15 Chapter 3 Software Installation 3 3 Configuration of Compex CGX3224 using Hyper Terminal We can configure Compex CGX3224 through Hyper Terminal Please follow the procedures stated below 1 Goto control panel and double click Hyper Terminal icon HyperTerminal Icon ET a e Keyboard 33 Network Passwords PC Card PCMCIA PStart My Computer GaContiolPane E Hyper eminal 10044M Figure3 3a Select Hyper Terminal Icon from Control Panel 2 Type the name in the space provided Connection Description i x New Connection Enter a name and choose an icon for the connection Name C324 Figure 3 3b Give a name for the new connection 16 Chapter 3 Software Installation 3 Choose the COM Port which you have selected from your PC Phone Number Direct to Com 4 Figure 3 3c Select a Com Port 4 Adjust the Port setting from the COM1 Properties screen This will depend on the console port that you are using COM1 Properties Figure 3 3d Configure the Port Setting 17 Chapter 3 Software Installation After setting all configurations reset the power supply of Compex CGX3224 A Hyper Terminal screen will appear to list out all configurations 11 HyperTerminal AEE Edt View Cal Transfer
18. 15 connected Increase the separation between the computer and receiver Consult the dealer or an experienced radio TV technician for help Caution Any changes or modifications not expressly approved by the grantee of this device could void the user s authority to operate the equipment FCC Compliance Statement This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation Declaration of Conformity Compex Inc declares the following Product Name Compex 24 port 10 100 Mbps plus 2 Port Gigabit Copper SNMP Managed Switch Model No CGX3224 conforms to the following Product Standards This device complies with the Electromagnetic Compatibility Directive 89 336 EEC issued by the Commission of the European Community Electromagnetic Interference Conduction and Radiation EN 55022 CISPR 22 Electromagnetic Immunity EN 55024 IEC61000 4 2 3 4 5 6 8 11 Power Line Harmonics EN 61000 3 2 IEC610000 3 2 Power Line Flicker EN 61000 3 3 IEC610000 3 3 Product Safety EN 60950 IEC60950 Therefore this product is in conformity with the following regional standards FCC Class A following the provisions of FCC Part 15 directive CE Mark following the provisions of the EC directive This Class A digital apparatus
19. If the aging control is enabled a learned address entry not including the static entry will be removed from the forwarding table if there is no update within a pre determined period 1 128 seconds It is useful because resources for the forwarding table is limited Enabling the aging control will not influence packet forwarding The packet is forwarded to all other ports when the destination MAC address cannot be found in the forwarding table If the aging control is disabled all address entries will not be removed Aging Control of Address Entries Aging Control Enable C Disable Maximum Age of Address Entries 60 5 Seconds 1 128 Seve Figure 8 8a Address Entries for Aging Control Procedures 1 Select Enable from the Aging Control option 2 Enter the Maximum Age of the Address Entries If the aging control is enabled enter an integer from the range of 1 to 128 as the maximum age of address entries If the aging control is disabled this step can be skipped 67 Chapter 8 Advanced Configuration for Compex CGX3224 8 9 Address Search 8 9 1 Host Search Host Search is used for searching a host by IP address on the network and getting the port number to which the host is connected It is useful while configuring the VLAN With this function you can easily detect the port at which a host is connected to and have an idea about which ports should be included in a VLA
20. Tree Protocol becomes unreachable or if Spanning Tree Protocol costs change the spanning tree algorithm reconfigures the spanning tree topology and reestablishes the link by activating the standby path Spanning Tree Protocol operation is transparent to end stations which are unaware whether they are connected to a single LAN segment or a switched LAN of multiple segments This section shows how configuration is done in Spanning Tree parameters Spanning Tree Bridge Configuration STP Port STP Bridge Bridge Parameters STP State Root Priority Hello Time Forward Delay Max Age Hold Time disable 2 32768 15 20 lsec Current Spanning Tree Designated Root Root Port Hello Time 0 sec Topology Change Detected false Topology Change Time sec 0 65535 sec 1 10 sec 4 30 sec 6 40 0 000000000000 Hold Time Root Path Cost Max Age Forward Delay Topology Change 0 sec 0 sec false O sec Aeey See Figure 8 1d Configuration for STP Bridge 54 Chapter 8 Advanced Configuration for Compex CGX3224 Description of parameters STP State Root Priority from 0 to 65535 Hello Time from 1 to 10s Forward Delay Max Age When STP is enabled it will dynamically detect network looping owing to mis configuration of the network topology The redundant connectors will be disabled to avoid looping of packets Looping would often resul
21. broadband service and necessary hardware connection has been established NOTE If you have chosen self installation when you register for the broadband service you should first test the ADSL modem together with the logon account on your PC Make sure it can connect successfully before attempting to run it with Compex CGX3224 Procedures 1 Go to WAN Config Click on the pull down menu from the WAN Port field 2 Click on WAN Type option and select PPP over Ethernet 3 Click Save button to update your configuration Now you may activate the Internet Explorer and start surfing the net 46 Chapter 7 Configuring Your Wide Area Network The WAN Setup screen below shows PPPoE configuration that allows you to configure your ADSL Internet subscription WANO Setup Wan0 Wan Wan2 Wang Wan Port 21 Wan Type PPPoverEthemet Username jusemame Password pee Service Name Idle Timeout 60 3600 0 Disable 1300 seconds Status Disconnected Connect IP Address 0 0 0 0 Gateway IP Address 0 0 0 0 Primary DNS 0 0 0 0 Secondary DNS 0 0 0 0 Save NOTE Changes made will only take effect after rebooting Figure 7 5a WAN PPPoE Configuration Description of parameters Username and The information is given by the Internet Service Password Provider Service Name Certain ADSL Internet subscriptions require the user to enter the service name You may enter the service name for your ADSL Internet subscriptio
22. can refer to the respective technical group supported by Compex in the different countries as shown below Support Information For technical support email to support compex com sg For updates connect to the following Web Sites http www cpx com http www compex com sg Regional Technical Support Centers U S A Canada Latin America and South America Compex Inc 4051 E La Palma Unit A Anaheim 92807 USA HotLine 714 630 7302 Fax 714 630 6521 Europe ReadyLINK Networktechnology GmbH Albert Einstein Strases 34 M21 63322 Rodermark Germany HotLine H49 0 6074 98017 Fax 49 0 6074 90668 Support email readylink compex com sg Asia Australia NewZeland Middle East and the rest of the world Compex Systems Pte Ltd 135 Joo Seng Road 08 01 PM Industrial Building Singapore 368363 HotLine 65 6 286 1805 Fax 65 6 283 8337 Figure 10 1a Technical support Information 83 Chapter 11 Application on Virtual LAN Chapter 11 Application on Virtual LAN 11 1 Examples on Untagged VLAN This section gives you a better understanding on how an Untagged Virtual LAN is being set up using the Web based Interface In an untagged VLAN application you can assign a group of ports within a switch as members of a specific VLAN Data traffic would be confined within the member ports In this way devices connected with the switch can be partitioned into distinct groups each corre
23. complies with Canadian ICES 003 25 November 2002 iii Technical Support Information The warranty information and registration form are found in the Quick Install Guide For technical support you may contact Compex or its subsidiaries For your convenience you may also seek technical assistance from the local distributor or from the authorized dealer reseller that you have purchased this product from For technical support by email write to support compex com sg Refer to the table below for the nearest Technical Support Centers Technical Support Centers Internet access Website Contact the technical support center that services your location U S A Canada Latin America and South America Compex Inc 4051 E La Palma Unit A Anaheim CA 92807 USA Tel 1 714 630 7302 8 a m 5 p m Pacific time Tel 1 800 279 8891 Ext 122 Technical Support Fax 1 714 630 6521 BBS 1 714 630 2570 24 hour access ReadyLINK Networktechnology Gmbh Albert Einstein StraBe 34 M21 63322 R dermark Germany Tel 49 0 6074 98017 8 a m 5 p m local time Fax 49 0 6074 90668 BBS 49 0 6074 93974 24 hour access Support Email readylink compex com sg Asia Australia New Zealand Middle East and the rest of the World Compex Systems Pte Ltd 135 Joo Seng Road 08 01 PM Industrial Building Singapore 368363 Tel
24. connected in the same network For dynamic WAN IP the DNS IP address is obtained automatically from the ISP NOTE If you are running different DHCP servers on your network you will have to enable only one DHCP server to prevent any conflict in the network addressing 31 Chapter 5 Configure Compex CGX3224 using Web Interface DHCP Setup DHCP Setup DHCP Active Leases DHCP Server Reservations IP Address hse fies fize Subnet Mask 255 25 fess fo DHCP Start IP Address 192 fioo fioo DHCP End IP Address 192 fies fioo 254 F Always use these DNS servers Primary DNS IP Address 203 20 a0 foo Secondary DNS IP Address 192 58 33 3 T Always use default Gateway Default Gateway 192 168 88 128 DHCP Server C Enable Disable Apply Seve Figure 5 4a DHCP Setup Description of parameters IP Address Subnet Mask DHCP Start IP Address amp DHCP End IP Address Primary DNS IP Address amp Secondary DNS IP Address IP Internet Protocol address uniquely identifies the Gateway in the network This is the IP address that users should point to as their Internet gateway if fixed IP addresses are configured on the computers in the network However the DHCP Server will assign this information if the computers are configured to dynamically obtain IP addresses This is the Subnet Mask to identify the class of the Gateway s IP address By default Class C Sub
25. of Compex CGX3224 NOTE For proper ventilation do allow about 4 inches of clearance on the front and back of the switch This is especially important in an enclosed rack 10 Chapter 2 2 2 3 2 2 4 Hardware Installation Expansion Module Installation A series of optional Expansion Modules are available for Compex CGX3224 to upgrades its features Please note that Compex CGX3224 is not shipped with the Gigabit modules 1 Power off the switch Insert the Module carefully into the Expansion Module Window and push it along the Module rail until it stops Ensure that there is a secure connection to the PCB Board of Compex CGX3224 2 Tighten the screws on the module Removing the Expansion Module 1 Disconnect any cable from the Module 2 Unscrew and pull out the Module slowly from the Expansion Module Slot 3 Slide the Module completely out of the chassis and cover the Window with the cover plates fasten back using the original screws 11 Chapter 2 Hardware Installation 2 3 Connecting Your Modem to Compex CGX3224 CGX3224 Workgroup Cable ADSL Modems Figure2 3a Connecting four cable ADSL modems to Compex CGX3224 Compex CGX3224 allows a maximum of up to four modem connections Only use those modems as specified in Section 2 1 3 Modem Requirements on Page 9 With Compex CGX3224 and any of the four modems power off connect one end of the modem cable to any port o
26. on the Backup button and the system will prompt you to either open the file or save it to disk 2 Select the radio button to Save this file to disk and click OK button File Download x You have chosen to download a file from this location fouter cfg from 192 169 98 250 What would you like to do with this file Open this file from its current location dsk J Always ask before opening this type of Cancel Figure 9 6c Save file to your PC The system will then prompt you to save switch cfg to a destination 3 Select a folder that you want to save the file and click Save button to proceed Save As BE Save in My Documents z Al E Filename switch Save as type Document z Cancel A Figure 9 6d Save downloaded file to selected folder 77 Chapter 9 Using SYSTEM TOOLS Menu 4 After downloading process has completed the following message will appear Click Close button if you do not want to view the downloaded file Download complete x gt Download Complete Saved router cfg from 192 168 88 250 Downloaded 6 76 KB in 2 sec Download to C AWINDOWS Desktop router cfg Transfer rate 3 38 KB Sec re Open Open Folder Figure 9 6e Completion of Downloading 9 6 3 Restore 1 Click Browse button and select the file that you want the system to restore back the configuration L
27. on three factors Source IP Address TCP Port and Time IP Packet Filtering examines the outgoing packets and decides whether to bypass or to block them After the Packet Filtering rules have been defined the users may select to bypass or to block the outgoing packets that do not match the rules For example assume that a rule has been defined as TCP Port 23 used by TELNET from any IP on any day at any time If the forwarded radio button is selected all outgoing packets will be sent except TELNET session If the blocked radio button 15 selected all outgoing packets will be blocked except TELNET sessions Click on Filtering Setting at the Configuration window and the GUI will appear as shown Filtering Configuration Warning Incorrect configuration may cause undesirable behavior Static IP Setting Static Port Setting Filtering Setting AITP packets will be forwarded cept for those matching one or more ofthe following rales blocked Select to Rule IP Destination Day of Time of Edit Name Address es Port s the Week the Day c NOTE Please set system clock first Otherwise ignore the access time set ngs in the above rules Add Delete Edit Save Figure 6 3a Adding Filtering Configuration 39 Chapter 6 Procedures NAT Configuration 1 Select Add button and the screen will facilitate the users to add rules for IP Packet Filtering Rule Name IP Address F
28. the device e g in R amp D Dept The Person In Charge of the device The naming of the device e g Compex CGX3224 This is the IP address of Compex CGX3224 You may change the address and save it Subnet mask is just like IP addresses which contains four bytes 32 bits It is often written using the same dotted decimal notation For example a very common subnet mask in its binary representation 11111111 11111111 11111111 00000000 is typically shown in the equivalent more readable form 255 255 255 0 The gateway address for the computer when using this switch 71 Chapter 9 Using SYSTEM TOOLS Menu 1 Enter the information in the respective field and click on the Apply button and save the setting 2 Upon making amendments on this page the screen will appear a message Reboot the switch Click on Yes button to let the changes take effect Click on Logon button again if you still wish to access to Compex CGX3224 web page This cannot apply to the changing of IP Addresses CAUTION After changing the IP Address of Compex CGX3224 the system will not lead you to log in to the web page after you have clicked Logon button Instead a page error will display on the screen stating The page cannot be displayed Enter your NEW IP Address to login to the web page again 9 3 System Information System Information displays the necessary data about the management system System Informatio
29. type AI Fies z v 2 Figure9 5b Select a correct file 2 Click Upgrade button to start replacing the latest Firmware revision 3 The system will prompt you to reboot Compex CGX3224 Click Yes button to restart the device Reboot Switch Reboot the Switch Figure9 5c Confirmation on restarting Compex CGX3224 Log on to the web site after 30 seconds if you still need to do some configuration on Compex CGX3224 75 Chapter 9 9 6 Using SYSTEM TOOLS Menu Save or Reset Settings The Save and Reset Settings allow you to execute the amendments or reset to the default settings Switch Settings Save the Switch s current configuration Save Backup the Switch s configuration Backup Restore the Switch s configuration path and file name Browse Restore Erase the Switch s configuration and restore its factory default settings Clear and Reset 9 6 1 Figure9 6a Switch Setting for Compex CGX3224 Save By clicking Save button you will save all the changes made from Compex CGX3224 You need to reboot the switch to ensure that the profile is updated correctly System Messages The system configuration has been saved successfully pn Figure 9 6b Message prompt by System 76 Chapter 9 9 6 2 Using SYSTEM TOOLS Menu Backup This option allows you to backup the switch s configuration into a file 1 Click
30. 28 0 0 000000000000 0 00 Disabled 4 19 128 0 0 000000000000 0 00 Disabled 5 19 128 0 0 000000000000 0 00 Disabled 6 19 128 0 0 000000000000 0 00 Disabled 7 19 128 0 0 000000000000 0 00 Disabled 8 19 128 0 0 000000000000 0 00 Disabled 9 19 128 0 0 000000000000 0 00 Disabled 10 19 18 0 0 000000000000 0 00 Disabled 11 19 128 0 0 000000000000 0 00 Disabled 12 19 128 0 0 000000000000 0 00 Disabled 13 19 128 0 0 000000000000 0 00 Disabled 14 19 128 0 0 000000000000 0 00 Disabled 15 19 18 0 0 000000000000 0 00 Forwarding 16 19 128 0 0 000000000000 0 00 Disabled 17 19 128 0 0 000000000000 0 00 Disabled 18 19 128 0 0 000000000000 000 Disabled 19 19 128 0 0 000000000000 0 00 Disabled 20 19 128 0 0 000000000000 0 00 Disabled 21 19 128 0 0 000000000000 0 00 Disabled 22 19 128 0 0 000000000000 0 00 Disabled 23 19 128 0 0 000000000000 0 00 Disabled 24 19 128 0 0 000000000000 0 00 Disabled 25 4 128 0 0 000000000000 0 00 Disabled 26 4 128 0 0 000000000000 0 00 Disabled Refresh Apply Save Figure 8 1c Setting of STP Parameters 52 Chapter 8 Advanced Configuration for Compex CGX3224 Description of parameters Bridge Port from Port 1 to 26 Path Cost from 1 to 65535 Priority from 0 to 65535 Designated Cost Designated Bridge Designated Port Forwarding State Disabling State Blocking State This option shows the port of the bridge that connects to the root bridge This option sets the Spanning Tree path cost for th
31. 3224 s timer to synchronize with your PC so that you can utilize the time based functions NOTE To manage and utilize the timing based functions provided in Compex CGX3224 such as the Filtering functions you MUST set its clock to synchronize with your managing workstation System Clock Current time 02 2 for foo mm dd yyyy hh mm ss Apply Figure 9 la Synchronizing Compex CGX3224 s Timer Procedures 1 Access to the System Clock function at the Command window 2 Key in the appropriate time zone and click Apply button 70 Chapter 9 9 2 System Configuration Using SYSTEM TOOLS Menu This helps you configure the system You can configure IP address Subnet Mask or Default Gateway of the management board in Compex CGX3224 It is likely that several VLANs are on the single switch and each VLAN can be regarded as an independent network so their network addresses may be different System Configuration System Name System Location System Contact Product Name IP Address Subnet Mask 224 unknown unknown cGx3224 switch Default Gateway fo p p Ponty Seve Figure 9 2a Description of parameters System Name System Location System Contact Product Name IP Address Subnet Mask Default Gateway Configuration for the system A description on the device for easy identification The location of
32. 3a Stack Management A pull down menu is created under the CGX3224 image Figure 8 3b From there you may select the types of switch you wish to access and the information will be listed eee sees 002 Switch selection lt Stack Management Stack Setting Stacking State enable Z Apply Save Stack Member List SN Type MAC Address IP Address System Name L Master 00 80 48 10 1 22 192168885 SGX3226 RD 2 Slave 00 80 8 ff f0 7a 192 168 88 128 CGX3224 Figure 8 3b Choosing a switch to access 58 Chapter 8 Advanced Configuration for Compex CGX3224 8 3 1 Simple Application on Stack Management From Figure 8 3c CGX3224 Unit 1 2 and 3 are stacked accordingly Individual switches are linked to its respective workgroup such as Workgroup A B and C Enabling the stacking function allows the master slave to do the configuration on Unit 2 or Unit 3 CGX3224 Unit 1 Workgroup A Master 192 168 100 128 EL LEE Control Station CGX3224 Unit 2 Slave 192 168 100 128 FEE EE ER ER E EE CGX3224 Unit 3 Slave 192 168 100 128 Figure 8 3c Application on Stacking function 59 Chapter 8 Advanced Configuration for Compex CGX3224 In order to control all the slave switches you need to enable the stacking function for all switches You may follow the procedures as shown below 1 Connect a RJ45 MDI straight Ethernet cable from the Control Station to C
33. 65 6286 1805 8 a m 5 p m local time Tel 65 6286 2086 Ext 199 Technical Support Fax 65 6283 8337 BBS 65 6282 8854 24 hour access E mail support compex com sg FTPsite ftp compex com sg http www cpx com or http www compex com sg iv About This Document The product described in this document Compex Web Management Switch Series Compex CGX3224 is a licensed product of Compex Systems Pte Ltd This document contains instructions for installing configuring and using Compex CGX3224 It also gives an overview of the key applications and the networking concepts with respect to the product This documentation is for both Network Administrators and the end user who possesses some basic knowledge in the networking structure and protocols It makes a few assumptions that the host computer has already been installed with TCP IP and already up amp running and accessing the Internet Procedures for Windows 98 2000 XP operating systems are included in this document However for other operating system you may need to refer to your operating system s documentation for networking How to Use this Document The document is written in such a way that you as a user will find it convenient to find specific information pertaining to the product It comprises of chapters that explain in details on the installation and configuration of Compex CGX3224 Firmware This manual is written based on Firmware version 1 22 build 2120 Co
34. DHCP Server Reservations DHCP Server can also be configured to reserve specific IP addresses for specific host or Mac address CAUTION The reserved IP address to be assigned should NOT have the same Dynamic IP address range as the DHCP Start and End IP address DHCP Server Reservations DHCP Setup DHCP Active Leases DHCP Server Reservations TP Address Host Name Hardware Address 192 168 88 FEE Add Apply Seve Figure 5 4c DHCP Server Reservations Procedures To reserve certain IP addresses for the specific workstation 1 Enter the values and name in the respective fields provided 34 Chapter 5 Configure Compex CGX3224 using Web Interface NOTE The DHCP server will ignore the Host Name if it finds a match in the Hardware Address It checks the Hardware Address first so you need only to enter either the Host Name or Hardware Address 2 Click Add button to create an entry into the DHCP Server Reservations 3 After the address is entered click on Save button to save your setting Keep on adding the IP Address onto it by repeating the procedures as mentioned previously if you need to reserve more IP Addresses DHCP Server Reservations DHCP Setup DHCP Active Leases DHCP Server Reservations IP Address Host Name Hardware Address 192 168 88 L3 J 3 2 asa ree Figure 5 4d Adding New Records 5 4 3 Delete IP Address in Serve
35. Ethernet on Fiber 100 Base SC Figure 4 1b CGX3224 installed with optional fiber optic module 25 Chapter 5 Configure Compex CGX3224 using Web Interface Chapter 5 Configure Compex CGX3224 using Web Interface This chapter explains the configuration menu tool that comes with Compex CGX3224 when you use the web based configuration interface Here we will briefly discuss each Menu components and its functions 5 1 Port Configuration This function allows you to have an easy access to the network via the ports of Compex CGX3224 Notice that the Link state option indicates Up This shows that the port is connected to the network It can either be in Up Connected or Down No Connection state Port 1 Configuration Choose Port Link State Up Media 10 IDOBASE TX Speed Duplex Auto zl Port State Enabled Broadcast Hate 100 Flow Control Enabled Port Priority 0 Speed State 100Mbps FD o lowest 7 highest Port VLAN ID 1 Belongs to VLANs 1 Port Statistics Good Bytes 6249547 Runts 0 Good Packets 21624 Fragments 0 Broadcast Packets 5532 Undersized 0 Multicast Packets 413 Frames Too Big 0 64 bytes 7219 Collisions 0 65 to 127 bytes 6331 Short Events 0 128 to 255 bytes 1305 Late Events 0 256 to 511 bytes 391 Jabbers 0 512 to 1023 bytes 5200 Auto Partition 0 1024 to 1518 bytes 1118 Data Rate Mismatches 0 Refresh Apply
36. Fie Edt View Favores Took EJ e 9 0 A a G B 39 S Bak _ 0v Stop Search Favores Meda Print Edt Discuss E o 7192 16868 1287o9n hm z Remote Access CGX3224 Switch Manager Please enter your password Log On User s Guide for instructions Figure3 4a Login to Remote Access Switch Manager 20 Chapter 3 Software Installation After logging in to the Management system the Main Page will display as shown below The image of Compex CGX3224 is shown on the upper right window The status of each switch port i e link speed and duplex mode can be seen clearly from the LED displays on the image The lower right window is used to display the web pages of versatile configuration and operation IL Ala ew dua EB 50 Stop Rehesh Home Sesch Favores Media Hitoy Mal Pit Aes E te 77182168 88 128 004 Z E 274 EET 1297 ee eem SM sees eese E pega 4 Stack Access Master 1 00 80 48 0 7 192 168 88 128 LES PA tomum 1 Welcome to CGX3224 Switch Web Manager x Command Menu F NS Window E N EN E X X Configuration Window E Done m dd m Figure3 4b Main Page of Compex CGX3224 Web Based Configuration The Main menu includes four sections in the Command Menu Window namely CONFIGURA
37. GX3224 Unit 1 Enter http 192 168 100 128 in the internet browser to enable the stacking function You may name your switch for identification Refer to Section 9 2 System Configuration for details 2 Next disconnect one end of the Ethernet cable from CGX3224 Unit 1 and establish a link to Unit 2 Please refer to Figure 8 3d Enter http 192 168 100 128 in the internet browser to enable the stacking function and give a name to your switch NOTE NOTE You may also use the console port to activate the stacking function of all switches We are using 3 switches in this example therefore please repeat the procedures of Steps 1 and 2 for CGX3224 Unit 23 CGX3224 Unit 1 f Control Station mp Figure 8 3d Establish a connection to CGX3224 Unit 2 3 After enabling the stacking function for all switches use RJ45 MDI straight Ethernet cables to connect all three switches as shown in Figure 8 3c 60 Chapter 8 Advanced Configuration for Compex CGX3224 4 Upon powering up these switches they will then elect the switch with the smallest MAC address to be the master The Master switch election will start again when one of the following occurs a The master switch is power down b The master switch rebooted c The master switch failed Access to the web based interface again This time you will be able to view all switches attached to this stack Please refer to Figure 8 3e
38. N Host Search Host Search MAC Address Search Host IP Address Search Figure 8 9a Searching of Host Procedures 1 Enter the Host IP Address and click on Search button The result displays as shown in Figure 8 9b Search Result The Host Address 192 168 100 160 was found MAC Addr 00 80 48 9 04 05 port 1 Figure 8 9b Final Result 68 Chapter 8 8 9 2 Advanced Configuration for Compex CGX3224 MAC Address Search This feature helps to look for the particular MAC Address stated in the field which provides a useful way while configuring the VLAN The system will search through the device for the port s ownership of that particular PC MAC Address Search Host Search MAC Address Search MAC Address Search Figure8 9c Searching of MAC Address Procedures 1 Enter the MAC Address in the field provided and click on the Search button The system will show the result as shown in Figure 8 9d Search Result MAC Address 00 8048 69 0d 05 was found port 1 Figure 8 9d Search Result for Mac Address 69 Chapter 9 Using SYSTEM TOOLS Menu Chapter 9 Using SYSTEM TOOLS Menu In this chapter you will be able to retrieve the system information of Compex CGX322A to change the administrator s password and also upgrading new downloaded firmware version 9 1 Set System Clock It is recommended that you configure Compex CGX
39. Please refer to Section 8 4 SNMP Configuration on Page 62 RMON Statistic enables various network monitors and console systems to exchange network monitoring data Please refer to Section 8 5 RMON Statistic on Page 63 Port Security secures reserves certain port s from other user s access Please refer to Section 8 6 Port Security on Page 64 Mirror Port Configuration duplicates a port s traffic on a port Please refer to Section 8 7 MirrorPort Configuration on Page 65 Aging Control limits the resource in the forwarding table Please refer to Section 8 8 Aging Control on Page 67 Address Search searches for Host and MAC address of the connected device in the network Please refer to Section 8 9 Address Search on Page 68 22 Chapter 3 Software Installation SYSTEM TOOLS menu e System Clock manages and utilizes timing based function Please refer to Section 9 1 Set System Clock on Page 70 e System Configuration allows change of IP Address Subnet Mask or Gateway Please refer to Section 9 2 System Configuration on Page 71 e System Information indicates essential information of Compex CGX3224 Please refer to Section 9 3 System Information on Page 72 e Change Password amends system administrator s password Please refer to Section 9 4 Change Password on Page 73 e Firmware Upgrade uploading latest firmware to Compex CGX3224 Please refer to Section 9 5 Upgrading Compex CGX3224 Firmware on Page 74 e Sa
40. REPRE EO EO EO REO ERO E E 83 Chapter 11 Application on Virtual LAN eeeeeee 84 11 1 Examples on Untagged 11 1 1 Configuration for CGX3224 Unit 1 11 1 2 Configuration for CGX3224 Unit 2 11 2 Examples on Tagged 11 2 1 Configuration for CGX3224 Unit 1 Table of Contents 11 2 2 Configuration for CGX3224 Unit 2 22 89 Appendix Command Reference ix Chapter 1 Product Overview Chapter 1 Product Overview 1 1 1 2 Introduction Compex CGX3224 is a SNMP Managed Switch with 24 10 100Mbps Fast Ethernet ports capable of full or half duplex transmission with flow control CGX3224 has N Way Auto Negotiation capability thus allowing the ports to be automatically configured for the highest possible operation mode between two network nodes It comes with 2 slots that allow insertions of 2 modular Gigabit modules or Fiber Optics modules Compex CGX3224 is integrated with an Aggregating Router supporting up to 4 broadband channels for Internet sharing and providing Load Balancing and Fail Over Redundancy to the Internet Compex CGX3224 supports Port based VLAN and Tagged VLAN improving network performance by reducing the broadcast traffic It also supports up to 8 level Priority Queuing improving the performance of bandwidth demanding applications Compex CG
41. Read Write Community String public Trap Setting eu IP Address Subnet Mask fal public b fo p fo fess 255 255 1 public 0 0 0 0 255 255 255 0 2 public 0 0 0 0 255 255 255 0 3 public 0 0 0 0 255 255 255 0 4 public 0 0 0 0 255 255 255 0 5 public 0 0 0 0 255 255 255 0 6 public 0 0 0 0 255 255 255 0 7 public 0 0 0 0 255 255 255 0 8 public 0 0 0 0 255 255 255 0 Teo See disable disable disable disable disable disable disable disable disable Figure 8 4a Configuration for SNMP Management Description of parameters Read Only Community String Read Write Only Community String Procedures The Read Only Community String is used for in band read only SNMP operation The Read Write Only Community String is used for in band read write SNMP operations 1 Upon enabling SNMP function enter all values in the respective fields 2 After clicking Apply button the changes will appear on that particular data row To save your configuration hit Save button 62 Chapter 8 Advanced Configuration for Compex CGX3224 8 5 RMON Statistics Remote monitoring RMON is a standard monitoring specification that enables various network monitors and console systems to exchange network monitoring data RMON provides network administrators with more freedom in selecting network monitoring probes and consoles with features that meet their particular networking needs Port RMON Statistics
42. TION ADVANCED SYSTEM TOOLS and HELP The overall descriptions for individual sub functions are listed as shown CONFIGURATION menu e Port Configuration configuration for communications via network Please refer to Section 5 1 Port Configuration on Page 26 e VLAN Configuration setup Virtual LAN whether in tagged or untagged based Please refer to Section 5 2 Virtual LAN Configuration on Page 28 e Trunking Configuration Extend the limitation of bandwidth Please refer to Section 5 3 Trunk Configuration on Page 29 e DHCP Configuration setup reserve or activate DHCP Please refer to Section 5 4 DHCP Configuration on Page 31 21 Chapter 3 Software Installation WAN Configuration support Static Dynamic and PPP over Ethernet services Please refer to Section 5 5 WAN Configuration on Page 36 NAT Configuration increase security by preventing unauthorized access through WAN Please refer to Chapter 6 NAT Configuration on Page 37 ADVANCED menu STP Configuration discovers and eliminates redundant paths in the network topology Please refer to Section 8 1 STP Configuration on Page 49 IGMP Configuration allows the device to forward multicast traffic intelligently Please refer to Section 8 2 IGMP Configuration on Page 56 Stack Configuration allows user to enable the stacking function of the switches Please refer to Section 8 3 Stack Configuration on Page 58 SNMP Configuration monitors and oversees network
43. The illustration in Figure 11 1a used only Port 20 and 24 Click Save button to save all configurations Now you can use another network cable to connect Port 26 of CGX3224 Unit 1 to Port 26 of CGX3224 Unit 2 86 Chapter 11 Application on Virtual LAN 11 2 Examples on Tagged VLAN In a tagged VLAN application you still can assign specific ports within a switch to be a VLAN group In addition the data transferred within the VLAN group is tagged with an ID as specified with the 802 3Q Tagged VLAN standard It allows the VLAN information to be carried along as the data flow from switch to switch It also allows a port to carry multiple VLANs data stream It is more flexible and scalable than the untagged VLAN application However all networking devices have to support the 802 3Q Tagged VLAN standard for VLAN Tagging system to work VLANB DERE Control Unit 1 15 Figure 11 2a Application for Tagged VLAN 87 Chapter 11 11 2 1 Application on Virtual LAN Configuration for CGX3224 Unit 1 VLANA 1 Open a browser and key in the IP address for CGX3224 Unit 1 such as 192 168 100 128 Go to VLAN Config option and enable the Status at Group 2 Set VID number to 12 Any number between 2 to 4094 Click on to U for Port 1 to 12 and select T for Port 25 Port 1 and 2 are connected to Control Unit and Server 1 respectively Please refer to Figure 11 2a VLAN B
44. X3224 is integrated with an embedded HTTP server providing a user friendly web based management interface Compex CGX3224 is the complete solution for corporate network installation Features and Benefits Compex CGX3224 is specially designed for building switched network system for large enterprise and medium to small size workgroup Enhanced features are introduced to Compex CGX3224 making it a perfectly high performance backbone switch for today s corporate network 1 2 1 Fast Ethernet Switching Compex CGX3224 comes with 24 10 100 Mbps Fast Ethernet auto sensing ports supporting full and half duplex transmission on its 12Gbps switching bus 1 2 2 SNMP Management Functions Compex CGX3224 has been designed with SNMP management functions which has the capability to support 4 groups of RMONS Ethernet Statistic History Alarm and Event Chapter 1 1 2 3 1 2 4 1 2 5 1 2 6 1 2 7 Product Overview Aggregated Router Capability Compex CGX3224 also has the ability to support Broadband Internet sharing Up to 4 ports may be connected to external Cable ADSL modems delivering aggregated bandwidth to the Internet while providing fail over redundancy Port Trunking Up to 4 ports may be defined for Port Trunking delivering up to 800 Mbps cascading bandwidth between two switches VLAN Support and Tagging Compex CGX3224 can support up to 30 port based VLANs and static configuration of 802 1Q VLAN tagging It allows th
45. ally want to continue Figure 9 6h Confirmation on resetting the data 3 Click Logon button if you want to make some more changes switch s IP address has been set to the factory default 192 168 100 128 Your workstation s IP address may need to be changed System is rebooting please wait 60 seconds to log in again Logon Figure 9 61 Logon again 80 Chapter 9 Using SYSTEM TOOLS Menu 9 7 Message Window This window will list out the action s taken while doing configuring It helps you to dig out the history of various action s Message Window SNMP config has been changed successfully SNMP config has been changed successfully SNMP config has been changed successfully SNMP config has been changed successfully Port 1 security Specified Mac address has been added successfully Mirror Port config has been changed successfully Mirror Port config has been changed successfully Aging control config has been changed successfully Aging control config has been changed successfully MAC search MAC Address 00 8048 e9 0d 05 was found The Host Address 192 168 100 160 was found MAC Addr 00 80 e9 0d 05 port 1 The system configuration has been saved successfully SaveAs Close Clean Figure9 7a Listing of actions To save all your actions click on SaveAs button The system will prompt you to save your file in your preferred location Save in My Documents
46. bout Compex CGX3224 please refer to Chapter 8 Advanced Configuration for Compex CGX3224 on Page 49 3 1 Configuration on PC Settings Each PC in the LAN must be configured in order for them to communicate with Compex CGX3224 To do so follow the steps shown below l From your Windows 95 98 2000 NT ME computer click Start button point to Settings and select Control Panel Double click the Network icon Check to see if the TCP IP protocol is installed If not yet please add this protocol first before proceeding with the next step Select TCP IP protocol and click Properties button Click on the radio button Obtain an IP address automatically Go to DNS Configuration tab and select Disable Select WINS Configuration tab Click Disable WINS Resolution Hit the Ok button and restart your computer 14 Chapter 3 Software Installation 3 2 NPfind Utility Software Npfind is an utility program for Windows which can be used to find out the IP address of Compex s products To check your IP Address of Compex CGX3224 1 Connect one end of the Ethernet cable to one of the LAN port of Compex CGX3224 and the other end to your PC 2 Next insert Product CD to your CD ROM Drive 3 Goto Drivers amp Utilities section and click on Npfind Utility Software The program will automatically display the IP address of the device found Router 0553224 Name inteligent Switch amp Internet IP Address fi 92 168 100
47. button to make the configuration effective Hit the Save button if you are satisfied with the setting NOTE The screen is divided into two sections The Port Statistics page displays detailed information about each port Click Refresh button to view the current port status of Compex CGX3224 27 Chapter 5 5 2 Compex CGX3224 supports Virtual LAN which logically groups every connection into traffic isolation and security purposes Both tagged and untagged based supported with a total maximum of 31 groups Each VLAN group only ffic within its member ports For tagged VLAN each port can be a member of more than one VLAN group and it also supports eight levels of priority You can also create a Tagged VLAN and support a connection with a legacy untagged VLAN The VLAN configuration feature also allows you to build delete view tagged untagged VLAN groups and set priority for tagged VLANs The range of VID starts from 2 to VLANSs for VLAN are forwards tra Configure Compex CGX3224 using Web Interface Virtual Local Area Network VLAN Configuration 4094 VID 001 is the default for Group 1 Group Static VLAN Setup 16 Groupt7 32 Non member T Tag U Untagged PVID 111 Group Status VID 123 en 0001 UUU dis 2 dis 4 2 ais dis dis v dis dis dis Z dis x dis dis v dis s 15 ais 1 fas Group Status VID 12345678 9 1011121314151617181920212223242526
48. ct described in this manual without prior notice Compex Inc will not be liable for any technical inaccuracies or typographical errors found in this guide Changes are periodically made to the information contained herein and will be incorporated into later versions of the manual The information contained is subject to change without prior notice Your Feedback We value your feedback If you find any errors in this user s manual or if you have suggestions on improving we would like to hear from you Please contact us at Telephone 65 63810139 Fax 65 62809947 Email feedback compex com sg FCC NOTICE This device has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This device generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this device does cause harmful interference to radio or television reception the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Connect the computer into an outlet on a circuit different from that to which the receiver
49. dures 1 Select a port and enter the MAC address in the field provided e g 00 80 40 E8 85 12 2 Click on the Add button and the system will then add in the New MAC Address into the listing on the right side of the screen Port 1 Security Choose 1 New Mac Address Mac Address List m m m m m m adis Accommodate up to 20 MAC Address per port Dek DeleteAll Save NOTE Add mac address will only take effect after rebooting Figure 8 6b Adding MAC Address 64 Chapter 8 8 6 1 Advanced Configuration for Compex CGX3224 To delete MAC Address es If you want to delete MAC Address es simply 1 Click on Del gt button for single MAC Address or 2 Hit on DeleteAll button to delete all the MAC Addresses 8 7 MirrorPort Configuration 8 7 1 Using Mirror Port to Monitor Traffic This function allows you to set up a mirror port of any specified port s or VLAN so you can monitor the traffic of the monitored port s or VLAN without intervention In effect the traffic on the monitored port s or VLAN are replicated on the mirror port allowing you to use a protocol analyzer to analyze the traffic for a specific problem Mirror Port Setup Mirrored Member Mirror Port 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Figure8 7a Setting of Mirrored Member for Mirror Port Proce
50. dures 1 Select one Mirror Port 2 Click on the dashed line on that particular port 1f you want to select it as a Mirrored Member T gt 3 Hit on Apply button after you are satisfied with the setup Click Save button to update the configuration 65 Chapter 8 Advanced Configuration for Compex CGX3224 8 7 2 Simple Application on Port Mirroring From the example illustrated in Figure 8 7b we are using Port 22 to monitor the activities at PC 1 to 3 Notice that Port 22 is set as mirror port and PC 1 to 3 is connected to Port 6 12 and 16 respectively A workstation is connected to Port 2 to monitor the entire network system CGX3224 Workstation Port 2 1 2 PC 3 Mirror Port 6 Port 12 Port 16 Port 22 Figure 8 7b Port Mirroring To do the above mentioned setting you may simply go to the web interface management and click on MirrorPort Config in the command window menu Next set the configuration as shown in Figure 8 7c and save it Mirror Port Setup T Mirrored Member Mirror Port 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 2122 23 24 25 26 22 ge T dicen cnmaerbeonaeoo IL Apply Save Figure 8 7c Configuring Port Mirroring in Web Based Interface 66 Chapter 8 Advanced Configuration for Compex CGX3224 8 8 Aging Control Aging control is for the aging of address entries in the switch s forwarding table
51. e Command Description Page Access level Home System Port VLAN login admin Change to Yes Operator Administrator Access Level logout Change to Yes Administrator Operator Access Level password Change Yes Administrator Administrator login password sys info Report System Yes Operator Information Administrator check fault Report System Yes Operator Fault Status Administrator update con Save current Yes Administrator configuration data into flash memory reset para Restore factory Yes Administrator configuration data into system OS erase Remove the Yes Administrator firmware program from flash memory for update reset Restart the switch Yes Administrator iii Command Reference e Port Management Commands Command Description Page Access level Home System Port p ck Report ports Yes Operator status Administrator pen Enable and Yes Administrator modify port s configuration p dis Disable port s Yes Administrator p fiw Enable Disable Yes Administrator flow control for port s p bck Enable Disable Yes Administrator back pressure for port s p aint Change address Yes Administrator aging interval P dage Enable Disable Yes Administrator port s address aging function
52. e network administrator to separate the network into a few segments by defining which port belongs to which VLAN segment This can effectively control broadcast and multi cast packets flooding the network This not only improves the network performance but also provides security between workgroups Optional Modules Compex CGX3224 is designed with 2 expansion slots to support 3 types of optional modules 1000 Base T Gigabit Fiber module 1000 Base SX Gigabit Fiber module and 100 Base SC Fast Ethernet Fiber module Management Interface and Capabilities Compex CGX3224 allows you to manage the switch through common management software Web based management is also provided so that you do not need to purchase expensive management software in order to manage your Ethernet switch You can use any popular Web browser software to browse the HTTP server inside Compex CGX3224 From the Web page you can do any configuration and statistic inquiry on the switch FreedomView Pro SNMP agent is also bundled together in the package Through the management interface you can also change the transmission mode of all ports on Compex CGX3224 switch This means that you can change the operating mode of any port to 10 Base T half duplex 10 Base T full duplex 100 Base TX half duplex 100 Base TX full duplex or N way Auto negotiation at any time It also means that you can change the transmission mode through the Web browser interface SNMP console port or even Te
53. ed to provide a standard mechanism to monitor and control network devices 8 1 STP Configuration Spanning Tree Protocol designed to run on bridges and switches is a link management protocol that provides path redundancy while preventing undesirable loops in the network The main purpose of STP is to ensure that the system do not run in looping situation when it has redundant paths in your network For an Ethernet network to function properly only one active path can exist between two stations Multiple active paths between stations cause loops in the network If a loop exists in the network topology the potential exists for duplication of messages When loops occur some switches see stations appear on both sides of the switch This condition confuses the forwarding algorithm and allows duplicate frames to be forwarded STP should be used in situation where you want redundant links but not loops If your primary system fails the backup links are activated so that users can continue using the network Without STP on the bridges or switches such a situation may result in a loop 49 Chapter 8 Advanced Configuration for Compex CGX3224 The example shown in Figure 8 1a illustrates a redundant link between Compex CGX3224 Unit 1 and 2 The probability of having a bridging loop is quite high This is because a broadcast or multicast packets might be circulating repeatedly between CGX3224 Unit 1 and 2 CGX3224 Unit 1 Workstation A
54. f Compex CGX3224 The other end of the modem cable is to be connected to your own ADSL Cable modem You may need to refer to your respective Modem s manual for the setting up of dial up connection NOTE an Internet connection then add additional modems as needed Connect Compex CGX3224 using one modem first Once you have established 12 Chapter 2 Hardware Installation 2 4 Connecting Your Compex CGX3224 to your Network You can connect Compex CGX3224 via the RJ 45 port to an external Ethernet Hub Switch to increase the number of users for Internet access Using a UTP network cable connect one end to Compex CGX3224 and the other to the network Switch Once all physical connections are established turn on the power to the modem Compex CGX3224 PC and the network Switch Figure 2 3a shows an example on how Compex CGX3224 can be connected to an existing switch to increase the Internet access for the LAN users from just one dedicated Internet access to multiple accesses Building A CGX3224 Unit 1 Gigabit Ethernet on Fiber 1000 Base SX or Fast Ethernet on Fiber 100 Base SC P sss CGX3224 Unit 3 Figure2 4a CGX3224 cascaded to switches to support more users 13 Chapter 3 Software Installation Chapter 3 Software Installation This chapter explains the basic setup procedures of configuring Compex CGX3224 using the web based interface For more detailed information a
55. frames and Java We recommend you to use the Netscape Communicator V4 06 and higher or Microsoft Internet Explorer 4 0 and higher Start by running your browser on a workstation connected onto the same network as Compex CGX3224 Enter URL Address http 192 168 100 128 3 4 1 Login to Web Browser Interface The following is a list of the various ways different browsers access a website Follow the instructions for the browser that you use In Netscape Navigator 1 Select the File menu then select Open Location 2 In the Open Location dialog box enter the IP address of the Gateway The default address is http 192 168 100 128 3 Click on the Open button In Netscape Communicator 1 Select the File menu and then press Open Page 2 In the Open Page dialog box enter the IP address of the Gateway The default address is http 192 168 100 128 3 Make sure the Navigator radio button is selected then click the Open button 19 Chapter 3 Software Installation In Internet Explorer 1 Select the File menu then select Open 2 In the Open dialog box enter the IP address of the Gateway The default address is http 192 168 100 128 3 Click on the OK button You will see the following screen appears on the Web browser program Type in the password and click Log On button The default password is password hitp 192 168 88 128 login him Microsoft Internet Explorer
56. h the DHCP Client ID issued by your ISP See the section on System Configuration on Page 71 and remember to enter the DHCP Client ID issued by the ISP into the System Name field in the System Identity NOTE If your computer is not able to access any web site please verify that your DNS entry of the computer has been defined correctly 7 4 1 How to Configure Singapore Cable Vision SCV Service SCV provides Dynamic IP address connection service Assume that your CGX3224 is not in the Dynamic IP setting please follow these procedures to change to the appropriate WAN type Procedures 1 Go to WAN Config Click on the pull down menu from the WAN Port field 2 On the list of other WAN types selection select Dynamic IP Address and hit on the Save button WANO Setup Wan0 Want Wan2 Wan3 Wan Port 21 x Wan Type Dynamic IP Address IP Address 0 0 0 0 Network Mask 255 255 255 0 Gateway IP Address 0000 Primary DNS 0 0 0 0 Secondary DNS 0 0 0 0 Save NOTE Changes made will only take effect after rebooting Figure 7 4a Dynamic IP Address for SCV broadband provider 44 Chapter 7 7 4 2 Configuring Your Wide Area Network How to Configure HOME Cable Service Many broadband services require a simple DHCP request for connection Two such cable services are Optus Home and Roger Home System Configuration System Name 224 System Location unknown System C
57. ibly affecting network performance The membership of a host group is dynamic hosts may join and leave groups at any time There is no restriction on the location or number of members in a host group A host may be a member of more than one group at a time A host need not be a member of a group to send datagrams to it IGMP Management IGMP Setting IGMP State disable G v20 Apply Save IGMP Groups List Group Source IP Si MAC Port Vlan ID Figure 8 2a IGMP Management Description of parameters Host Group Addresses Host groups are identified by class D IP addresses i e those with 1110 as their high order four bits Class E IP addresses i e those with 1111 as their high order four bits are reserved for future addressing modes In Internet standard dotted decimal notation host group addresses range from 224 0 0 0 to 239 255 255 255 The address 224 0 0 0 is guaranteed not to be assigned to any group and 224 0 0 1 is assigned to the permanent group of all IP hosts including gateways This is used to address all multicast hosts on the directly connected network There is no multicast address or any other IP address for all hosts on the total Internet The addresses of other well known permanent groups are to be published in Assigned Numbers 56 Chapter 8 8 2 1 Advanced Configuration for Compex CGX3224 Definition on IGMP v1 0 and v2 0 For IGMP v1 0 The Internet Gro
58. in 10Mbps 3 ACT LED Green Steady The switch is toggled to ACT mode Off The switch is either toggled to FULL or 100M mode 4 FULL LED Green Steady The switch is toggled to FULL mode Off The switch is either toggled to 100M or ACT mode 5 100M LED Green Steady The switch is toggled to 100M mode Off The switch is either toggled to ACT or FULL mode Chapter 1 Product Overview Features Status and Indication 6 POWER LED Green Steady Power supply is 1n normal condition 7 Console Port A serial 9 Pin DB9 socket is connected to PC COM Port for monitoring the switch 8 Reset Button By pushing the reset button once e The switch will clear all previous temporary error e Switch would be re configured with the settings stored in non volatile flash memory 9 Mode Button By pressing it you will be able to view the status of the selected mode Between ACT FULL and 100M LEDs 10 2 Open Expansion Types of Optional Module used Module Slots e 1000Base LX Gigabit on Fiber Module e 1000Base SX Gigabit on Fiber Module e l00Base FX Single Mode Fiber Fast Ethernet Module e 100Base FX Multi Mode Fiber Fast Ethernet Module e 1000Base T Copper module 11 24 RJ45 Use UTP STP network cables to connect 10 100Mbps Ports 10 Base T e 100 Base TX All ports will detect and automatically switch to uplink mode when connected to a switch hub 12 Power Socket Power input at the range of
59. is port A lower path cost represents higher transmission speed The higher the number the higher the priority If the designated bridge is the root bridge itself then the cost is 0 The identity of the designated bridge is shown in the Design Bridge field IEEE 802 1D specifics 17 multicast addresses ranging from 0x00180C2000000 to 0x0180C2000010 to be used by different bridge protocols These addresses are static addresses that cannot be removed Regardless of the STP state the switch receives but does not forward packets destined for addresses between 0x0180C2000010 If STP is disabled the switch forwards those packets as unknown multicast addresses Active ports which can forward frames on the root bridge STP allows the port to send and receive frames The port is not participating in STP This occurs when the port is disconnected or STP is disabled on the port STP has blocked Layer 2 traffic on this port to prevent a loop The switch or VLAN can reach the root bridge using another port whose state is FORWARDING When a port is in this state the port does not transmit or receive user frames but the port does continue to receive STP BPDUs 53 Chapter 8 8 1 2 Advanced Configuration for Compex CGX3224 STP Bridge Spanning Tree Protocol defines a tree that spans all switches in an extended network It forces certain redundant data paths into a standby blocked state If one network segment in the Spanning
60. lnet interface Chapter 1 Product Overview 1 2 8 Group VLAN Registration Protocol GVRP Allows automatic learning of VLANs which eliminates manual configuration of VLANs 1 2 9 Redundant Power Supply RPS is constructed to prevent Compex CGX3224 from power down if the primary power supply malfunctions 1 2 10 Spanning Tree Protocol Provides redundant links while preventing network loops 1 3 Panel Views 9p IEEE Mi NA M NU Wal r MODEO 9 Figure 1 3a Front Panel View of Compex CGX3224 7 8 6 9 10 Figure 1 3b Front Panel View of Compex CGX3224 Section 1 Chapter 1 Product Overview Figure 1 3d Back Panel View of Compex CGX3224 Chapter 1 Product Overview 1 4 Panel Features Features Status and Indication 1 LINK LEDs Green Steady A link has established Off No connection is detected 2 MODE LEDs If the switch is in ACT mode Green Blinks Activity is present in the network Off No activity is present in the network If the switch is in FULL mode Green Steady The switch is operating in Full Duplex mode Off The switch is operating in Half Duplex mode If the switch is in 100M mode Green Steady The switch is running in 100Mbps Off The switch is running
61. maximum Environment Operating Temperature 0 C to 40 C Requirements Storage Temperature 20 C to 70 C Operating Humidity Storage Humidity 10 to 80 RH 5 to 90 RH Relative Humidity MAC Address Table 4K Switching Buffer 24Mbytes Back Plane Capacity 12Gbps Physical Dimension 430mm x 200mm x 45mm L x B x H Chapter 2 Hardware Installation Chapter 2 Hardware Installation This chapter gives an overview on the hardware installation from installing the physical cables to resetting the device 2 1 Setup Considerations Prepare checklist before you start e Check your Local Area Network configurations Check if it is configured using Dynamic or Static IP addressing e Check the TCP IP protocols and IP address settings of the PCs Clients or Ethernet Switch in your LAN e At least one dial up account from Internet Service Provider ISP e RJ45 telephone cable connected to the external modem 2 1 1 Software Requirements Windows 95 98 2000 NT ME Any other TCP IP enabled systems like Mac OS and UNIX Hyper Terminal Program Web Browser such as Microsoft Internet Explorer 4 0 and above or Netscape Navigator 4 0 and above FreedomView Pro SNMP Manager Software Npfind utility software 2 1 2 Hardware Requirements e 10 100 Base T RS232 straight through cable and Compex CGX3224 unit e Ethernet ready Client PCs with TCP IP protocols installed and configured for Internet acces
62. n Idling Timeout Idle Timeout is the count down time to cut off the broadband connection when there is no traffic passing through the WAN port i e when there is no more activity at the WAN port after all your PCs are turn off NOTE For Singapore users should follow the format below to enter their usernames Pacific Internet Broadband username pacific net sg SingNet Broadband username singnet QALA DSL username qala com sg 47 Chapter 7 Configuring Your Wide Area Network To connect to the Internet service you can easily do so by clicking on the Connect button When the connection is established the status appeared on the screen will indicated as connected Please note that before you click on the Connection button make sure you have connected the broadband modem to Compex CGX3224 s remote port The cable connection is good when the indicating light for the LAN on the broadband modem and the remote port on the switch is lighted up Click Disconnect button to terminate the Internet connection immediately 48 Chapter 8 Advanced Configuration for Compex CGX3224 Chapter 8 Advanced Configuration for Compex CGX3224 In this chapter you can understand how the configuration on Spanning Tree Protocol STP can be easily done Compex CGX3224 implements Internet Group Multicast Protocol IGMP function which forwards multicast traffic intelligently Simple Network Management Protocol SNMP is also introduc
63. n System name CGG24 system information System contact unknown System location unknown System Up Time 0 months 0 days 02 39 08 update information Firmware Version CGX1 20 Bld 2002 Oct 2 2002 Console baudrate 38400 MAC Address 00 80 48 8 f0 7a T IP Address 192 168 100 128 Network Mask 255 255 255 0 Default Gateway 0 0 0 0 Figure9 3a Detail Information about the system 72 Chapter 9 Using SYSTEM TOOLS Menu 9 4 Change Password This option allows the System Administrator to amend the current password Change Switch Password Current Password New Password Confirm Password Change Password Figure9 4a Password Changing for System Administrator Procedures 1 After entering your new password click on Change Password button to activate the new setting The system will alert you that the password has been changed successfully 9 4 1 Forget your Password You can simply reset the password through Hyper Terminal 1 In the Hyper Terminal environment switch OFF and ON Compex CGX3224 2 When Press ENTER to stop auto boot message appear on the screen hit Enter key on the keyboard within 5 seconds 3 Upon seeing the word Password appeared on the screen press F4 button to start resetting 4 Next the screen will display Default password restored successfully This indicates that the system has successfully reset the password to defaul
64. n be forwarded to the FTP Server Procedures Follow the steps shown below to configure Static Port 1 Go to NAT function at the Command Window Select the type of Server you wish to configure as shown in the figure below NAT Static Port Based Setting Static IP Setting Static Port Setting Filtering Setting Default Type Others z Private IP Address Protocol Ports 192 168 88 Port Setting Filtering Setting Default Type Others z 5 IST Private IP Add esa Sess 19216888 NEIMEETING Others E Figure 6 2a Static Port Based Setting 2 Key in the Private IP Address 3 Next choose a transport protocol either TCP or UDP for the respective IP Address 38 Chapter 6 NAT Configuration 6 3 The Internet makes two transport protocols available to its applications namely TCP and UDP Transmission Control Protocol For building a reliable communications stream TCP on top of the unreliable packet Internet Protocol IP TCP 15 the protocol that supports nearly all Internet applications User Diagram Protocol UDP A connectionless protocol that runs on top of IP networks UDP IP provides very few error recovery services offering instead a direct way to send and receive datagrams over an IP network It is used primarily for broadcasting messages over a network Filtering Setting Compex CGX3224 allows Packet Filtering rules be defined based
65. nd sets the timer for the membership to the Group Membership Interval When a host joins a multicast group it should immediately transmit an unsolicited Version 2 Membership Report for that group in case it is the first member of that group on the network When a host leaves a multicast group if it was the last host to reply to a Query with a Membership Report for that group it SHOULD send a Leave Group message to the all routers multicast group 57 Chapter 8 Advanced Configuration for Compex CGX3224 8 3 Stack Configuration Stacking Management can be implemented in a multi storey building or even in a geographically dispersed campus Upon activating the stacking management functions the system administrator is able to access to other switches easily By selecting the switch from the Stack Access field refer to Figure 8 3c you can configure any of the switches that are connected to the network NOTE A stack can only accepts up to 4 switches including the master switch switches in a particular stack must be in the same IP subnet Upon clicking on the Stack Config option the Stack Management GUI will appear as shown in Figure 8 3a The system will prompt you to manage the network through the master switch after enabling it Stack Management Stack Setting Stacking State Stack Member List SN Type MAC Address IP Address System Name No member List Figure8
66. net Mask 255 255 255 0 is set The users may configure the network with Class 255 0 0 0 and Class B 255 255 0 0 Subnet Mask as well In addition Compex CGX3224 can be configured for Classless Subnet to support certain applications These parameters specify the range of the IP addresses of which the DHCP Server will assign DNS is an Internet service that translates domain names into IP addresses If your WAN connection uses Static IP you should configure the primary and secondary DNS IP addresses with the DNS information provided by your Broadband Internet Service Provider For other WAN connection types the DNS IP addresses automatically obtained from the ISP The Always use 32 Chapter 5 Configure Compex CGX3224 using Web Interface DHCP Server these DNS servers checkbox can be used to disable the automatic process and your preferred DNS IP addresses can be used DHCP server dynamically assigns IP addresses to the PCs connected in the same network DHCP comes with a built in DHCP server that automatically assigns IP addresses DNS and Gateway information to the computers connected in the same network It has been pre configured with IP address and Subnet Mask of 192 168 100 128 and 255 255 255 0 respectively If the DHCP server is set to Disable The IP address of Compex CGX3224 will become static This shows that the IP address 192 168 100 128 used in Figure 5 4a is being activated If the DHCP serve
67. nventions In this document special conventions are used to help and present the information clearly The Compex 24 port 10 100 Mbps plus 2 Port Gigabit Copper SNMP Managed Switch CGX3224 is often referred to as Compex CGX3224 in this document Below is a list of conventions used throughout NOTE This section will consist of important features or instructions CAUTION This section concerns risk of injury system damage or loss of data WARNING This section concerns risk of severe injury References on Menu Command Push Button Radio Button LED and Label appear in Bold For example Click on the Ok button Table of Contents Copyrights 2002 Compex Systems Pte Ltd essen enne 1 Trademark Information i Disclaimer ju Your Feedback ris 1 IE CCN ii Declaration of Conformity iii Technical Support Information esses ees i NETEN EENET nnne entren rennen iv About This Document ore oce es ve eoe ET AETA A T A TTA EE EE v How to Use this Document Firmware eeeeeeeeeeeeeeene Conventions Chapter 1 Product Overview eese eese eese eene nette nest ases 1 Trttoduct onz au se Ere Re PEE RERO CES 1 2 Features and Benefits
68. ontact unknown Product Name 3224 switch IP Address 192 foo fr26 Subnet Mask 55 255 5 0 Default Gateway p p p Ponty Seve Figure 7 4b System Identity Description of parameters System Name You can obtain this information from your ISP System Contact and You may leave it as it is or fill in your ISP contact Location and location information They are for your future reference only Procedures To configure HOME Cable Service 1 Follow the steps stated in Configuring for Singapore Cable Vision SCV Service on the previous section 2 Next click on System Config at the Command window under the SYSTEM TOOLS menu and enter the required entry as shown 3 Click on Apply and then Save button to set the System Configuration 4 Reboot your device 45 Chapter 7 Configuring Your Wide Area Network 7 5 Configuring PPP over Ethernet Session PPPoE For Broadband service providers such as Pacific Internet Broadband and SingNet Broadband you have to select the PPPoE WAN configuration This includes Germany who is using T 1 connection NOTE Certain ADSL Internet subscriptions require Service Name to be specified in order to establish a PPPoE connection 7 5 1 How to Configure SingNet PacNet amp QALA DSL Broadband This procedure assumes your ADSL modem and PC notebook is operational with the logon account from SingNet Pacific Internet or QALA DSL
69. ook in Js My Documents gt Al E File name switch Files of type all Files Cancel ZZ Figure 9 6f Select file to restore back the configuration 78 Chapter 9 Using SYSTEM TOOLS Menu 2 Click Restore button to start the process Switch Settings Save the Switch s current configuration Seve Backup the Switch s configuration Backup Restore the Switch s configuration path and file name Documents switch cfg f Browse Erase the Switch s configuration and restore its factory default settings Clear and Reset Help Figure 9 6g Confirm directory of the respective file to restore the configuration 3 The system will request you to reboot Compex CGX3224 Click Yes button to restart the switch 4 Wait for 60 seconds and the system will automatically return to the Login Web page prompting you to enter password again 79 Chapter 9 9 6 4 Using SYSTEM TOOLS Menu Clear and Reset By clicking this option you will restore Compex CGX3224 to factory defaults And you will have to re enter all the configuration information to the network l Click on Clear and Reset button The system will prompt you to choose whether you want to reset the configuration data 2 Click Yes button to proceed and the system will automatically reset the IP address to factory default which is http 192 168 100 128 Reset Configuration Data Do you re
70. ow access to the Internet 42 Chapter 7 Configuring Your Wide Area Network 7 3 Configuring Static IP Connection Procedures 1 Go to WAN Config at Command Window click on the pull down menu from the WAN Port field 2 Next select Static IP Address from the pull down menu at WAN Type field You may enter your IP Address Subnet Mask and Gateway IP Address in the individual fields All these information can be obtained from your ISP Network Administrator 3 Click on Save button to update the data The WAN Setup screen shows a Static IP Configuration that allows you to configure your Static IP connection to your ISP WANO Setup Wand Want Wan2 Wan3 Wan Port 21 I Wan Type Static IPAddress IP Address fe fe fo Network Mask ess 255 25 0 Gateway IP Address p Primary DNS IP Address 203 120 0 0 Secondary DNS IP Address 192 fies 33 3 Save NOTE Changes made will only take effect after rebooting Figure 7 3a Select WAN Type Static IP Address 43 Chapter 7 Configuring Your Wide Area Network 7 4 Configuring Dynamic IP Connection Compex CGX3224 is pre configured with WAN connection using Dynamic IP Hence if you are using Cable Internet you do not need to configure the WAN connection However if your account requires a DHCP Client ID in order to release an IP address you may need to configure the name of Compex CGX3224 wit
71. provided and click Save button Please note that you must enable the NAT function in the Configuration window if you are using a single IP address account fixed static IP and want to share this connection on your LAN NAT Static IP Address Setting Static IP Setting Static Port Setting Filtering Setting Private IP Public IP 192 168 88 0 0 0 0 se Figure6 1a Static IP Address Setting 37 Chapter 6 NAT Configuration 6 2 Static Port Setting Port Forwarding Port Forwarding redirects any incoming Internet request on the Public IP based on its TCP UDP Port number to another computer in the Private IP Hence when a user from WAN sends a request to your network Compex CGX3224 based on the Port Forwarding configurations will forward these requests to the assigned PC When your ISP assign you with only one fixed Public IP address and you want to define the various servers such as FTP HTTP Net meeting Mail server etc to specific Private IP address in your LAN You can choose to host the servers by using the port Forwarding Virtual server For example suppose that you have a FTP Server with an IP address of 192 168 168 41 Your broadband ISP has assigned a Public IP address of 203 120 12 100 to the gateway To support a Web Server in your Private Network you need to define an NAT Static Port based Entry to forward TCP port 21 used by FTP to 192 168 168 41 Every http 203 120 12 100 requests will the
72. r Reservations Procedures 1 Ifyou wish to delete any of the IP Addresses stated on the screen 2 Highlight that particular IP Address 3 Click on Delete button and the IP Address will be deleted instantly 35 Chapter 5 Configure Compex CGX3224 using Web Interface 5 5 WAN Configuration Compex CGX3224 is pre configured as disabled It can support Static IP Dynamic IP and also PPP Over Ethernet If you have chosen self installation when you register for the broadband service you should first test the ADSL modem together with the logon account Make sure that it can connect successfully before attempting to run it with Compex CGX3224 For purpose of illustration it is assumed that LAN uses the IP address 192 168 100 xxx and Compex CGX3224 is using the same settings as defaults However if you have assigned a different IP address for Compex CGX3224 then use the new settings in the setup procedures WANO Setup WanO Want Wan2 Wang Wan Port 21 Wan Type Disabled Wan 0 current status is disable E NOTE Changes made will only take effect after rebooting Figure 5 5a Default setting of Compex CGX3224 for WAN Setup Procedures 1 Select a WAN port and then a WAN Type Any one of the 4 WAN Types are eligible to configure depending on which Internet Service Provider you subscribed 2 Click Save button to update the configuration Details on various broadband Internet ser
73. r is set to Enable It will automatically issue an IP address to Compex CGX3224 ranging from DHCP Start IP Address se fico fioo to DHCP End IP Address se fesa Procedures Enter the values for IP Address Subnet Mask DHCP Start and End IP Addresses to individual fields 2 You can check on Always use these DNS servers to disable the function of retrieving DNS IP Address automatically so that you can enter your preferred DNS IP Address in the Primary and Secondary DNS IP Address field 3 Next you can set DHCP Server to Enable if you wish to use the built in DHCP server of Compex CGX3224 4 Click on Save button to save your configuration NOTE If your IP Address of the PC has set to Obtain an IP address automatically values in the fields will automatically appear Refer to Configuration on PC settings on Page 14 for the configuration on the PC 33 Chapter 5 5 4 1 5 4 2 Configure Compex CGX3224 using Web Interface DHCP Active Leases This section indicates the information of the PC whereby the IP addresses are dynamically assigned to it in the same network The Expire Time indicates the time when the system needs to update the IP Address of that particular PC DHCP Active Leases DHCP Setup DHCP Active Leases DHCP Server Reservations IP Address Host Name Hardware Address Expires time Figure 5 4b DHCP Active Leases
74. rom To Day of the Week From To IP Filter Configuration Add a new rule Aw 192 168 8 192 168 8 1 CT Any l Apply Destination Port From Time of the Day w z To w z hh 00 23 mm 00 59 Grom hhmm Cancel to J Figure 6 3b Adding rules to IP Filtering Configuration 2 Enter the appropriate data in the respective entries for Rule Name IP Address Destination Port Day of the Week and Time of the Day 3 Press the Apply button to add the new rule or Cancel button to discard the rule To save the rules click the Save button To add new rules click on Add button To delete a rule select the rule on the Select to Edit column and click Delete button CAUTION You must synchronize the clock of Compex CGX3224 to your PC s time for the rules to execute accurately Refer to Set System Clock on Page 70 to utilize the timing based function of Compex CGX3224 40 Chapter 7 Configuring Your Wide Area Network Chapter 7 Configuring Your Wide Area Network This section explains how to configure Compex CGX3224 to distribute Broadband Internet Access to the Wide Area Network If you have chosen self installation when you register for the broadband service you should first test the ADSL modem together with the logon account Make sure it can connect successfully before attempting to run i
75. s 2 1 3 Modem Requirements e or four ADSL Cable modem s Chapter 2 2 2 Hardware Installation Physical Setup for Compex CGX3224 Compex CGX3224 is ideally suitable for office environment usage which can be either installed on a flat surface or mounted on a 19 inch rack The following steps illustrate how a proper installation is done 2 2 1 2 2 2 Desktop Installation l 2 Unpack Compex CGX3224 Remove the backing strip from the 4 rubber feet and attach to the underside of the switch chassis firmly Place it near a power outlet Please put the device in the position that would allow sufficient space for heat ventilation The surface to place Compex CGX3224 should be clean smooth level and sturdy Ensure there is enough space around the unit to allow the attachment of network cables Connect the power cord to the power socket on the rear panel of Compex CGX3224 Rack Mounted Installation 1 2 Position one bracket to align with the holes on one side of Compex CGX3224 and secure it with the smaller bracket screws 1 8 inch diameter Then attach the other bracket to another side of it After attaching both mounting brackets position the device in the rack by lining up the holes in the brackets with the appropriate holes on the rack Secure it to the rack using the rack mounting screws 5 16 inches diameters and a screwdriver Connect the power cord to the power socket on the rear panel
76. s that use standard PPP Over Ethernet PPPoE for authentication 41 Chapter 7 Configuring Your Wide Area Network 7 2 Setup on Compex CGX3224 for Broadband Internet Access For such services you should have the IP address info ready before proceeding This is provided by the ISP l Connect a network cable from the Ethernet port of Compex CGX3224 to your workstation Internet Cable ADSL Modem CGX3224 Workstation Figure 7 2a Connection between Compex CGX3224 and modem Connect an Ethernet cable from Ethernet port of CGX3224 to the ADSL Cable modem As there are many different brands of broadband modems Some broadband modems may provide a straight connect MDI Ethernet cable while some may use cross connect MDIX Ethernet cable For example Aztech Turbo 900 provides cross connect MDIX cable while Alcatel 1000 ADSL model provides straight connect MDI cable Power on the broadband modem and wait for broadband modem to complete the initialization process That may take about 1 minute or more depending on the brand and design of individual modems Next power on both your workstation and Compex CGX3224 The LINK ACT LED should light up indicating that the connection has established You may start to configure Compex CGX3224 before connecting to the Internet Please refer to Configuration of Compex CGX3224 using Web based Interface on Page 26 Once everything is checked you can n
77. sponds to a different VLAN The partition VLAN can be expanded when two untagged VLANS are connected together through their member ports No two VLANS can be overlapped Each VLAN is separate from the rest It provides a simple means to implement a secure and managed network VLAN A VLAN Control Unit 44 PC 2 PC 3 E 22222254 C de CGX3224 Unit 2 PC 6 Server 2 Figure 11 1 Application for Untagged VLAN 84 Chapter 11 11 1 1 Application on Virtual LAN Configuration for CGX3224 Unit 1 You may enable the stacking management function for easy configuration and also port trunking function for broader bandwidth between the two switches VLANA 1 Open a browser and key in the IP address for CGX3224 Unit 1 such as 192 168 100 128 Go to VLAN Config option and enable the Status at Group 2 Set VID number to 10 Any number between 2 to 4094 Click on to U for Port 1 to 12 and 25 Notice that the illustration in Figure 11 1a used only Port 1 2 and 3 we can still allocate the remaining ports to VLAN A for further usage VLAN B 5 6 Next enabled the Status at Group 3 Set VID Number to 20 Click on to U for Port 13 to 24 and 26 Port 13 and 17 are used in the example shown in Figure 11 1a Click on the Save button upon confirmation Group1 16 Group17 32 Non member Tag U Untagged Static VLAN Setup
78. t Securite eorr rer etie 8 6 1 delete MAC Address es 8 7 MirrorPort Configuration eseeeeeee 8 7 1 Using Mirror Port to Monitor Traffic sse 8 7 2 Simple Application on Port Mirroring eeene 8 8 Aging Control 829 Address Search iicet EHE REGERE EASIER LAU 8 9 1 Host Search eee rece Reate eee Sene ne eee aeree eee Seven euet 8 9 2 MAC Address Search enero rerit ee E De Ee ee Chapter 9 Using SYSTEM TOOLS Menu cc eeeeeee eee ee eee n nennen 70 vSet System Clock eser XE ERE RERO EO E nS 9 2 System Configuration 9 3 System Information 9 4 Change Password ssssssesssssseeeeseeeeene niro nennt eene tienen 94 17 Forget your Pass wr eite Tee eue eee eed 9 5 Upgrading Compex CGX3224 Firmware 9 6 Save of Reset Settings iccssesscostecsesesexecsvesecesssesccelitenssevedescgstedebeveteses RET EA E epe a QO AAE EE 9 6 2 Backup 9 6 3 9 6 4 Clear and Reset 9 7 Message Window 9 8 Reboot Switch 9 9 Chapter 10 Using HELP Menu eeeee ee eere nennen eet nnne 83 LOA Technical SuppOtt z 5 2 12 iit ERE
79. t in flooding of broadcast packets halting the normal traffic The priority of the switch is currently acting as the root The bridge with the lowest value has the highest Spanning Tree priority level and is related as the root Determines how often the switch broadcasts hello messages to other switches Determines how long each of the listening and learning states last before the interface begins forwarding This wait is necessary so that other switches on the network ensure no loop is formed before they allow the port to forward packets Determines the amount of time the switch stores protocol information received on an interface NOTE The screen is divided into two sections Current Spanning Tree Root section displays the read only Spanning Tree settings for the current root switch and the parameters this switch is to use when it becomes the root switch only when you click on Apply button 55 Chapter 8 8 2 IGMP Configuration Advanced Configuration for Compex CGX3224 Internet Group Management Protocol IGMP is an Internet protocol that provides a way for an Internet computer to report its multicast group membership to adjacent routers It allows Compex CGX3224 to forward multicast traffic intelligently The switch snoops the IGMP query and report messages and forwards traffic to only the ports that request the multicast traffic This prevents the switch from broadcasting the traffic to all ports and poss
80. t setting 5 Type in the default password which is password to login 73 Chapter 9 Using SYSTEM TOOLS Menu 9 5 Simply change your password using Hyper Terminal by typing the command use help command to view the command listing password new password hit the ENTER key When done type the command reboot to restart the switch to normal mode The following commands can be seen in the screen when help command is activated Start start firmware Reboot reboot system Password change user password Update update firmware through FTP Update update firmware through COM Upgrading Compex CGX3224 Firmware You simply download newer version Firmware from http www compex com sg Here you will find links that allow easy access for upgrading of future released updated Firmwares To check your current Firmware version click System Information on Page 72 After downloading the firmware saved it into your hard disk Firmware Upgrade Upgrade Firmware path and file name Browse Upgrade Figure 9 5a Upgrading of Firmware 74 Chapter 9 Using SYSTEM TOOLS Menu Procedures 1 Click Browse button to select the file where you have just saved and Choose file dialog box will appear prompting you to select the file to upgrade the firmware Look in My Documents hz e AG NE File name Juwoks 0 Files of
81. t with Compex CGX3224 For the purpose of illustration it is assumed that LAN environment uses the IP address 192 168 100 xxx and Compex CGX3224 is using the default settings However if you have assigned a different IP address for Compex CGX3224 then use the new settings in the setup procedures 7 1 Selecting the right connection for your Broadband Internet Service Choosing the right connection type on Compex CGX3224 is important to ensure that you are properly connected to your broadband Internet subscription The following summarizes the type of connection suitable for your broadband Internet subscription Static IP This type of connection should only be used if and only if you have subscribed to fix IP or a range of fix IP address from your service provider for your Cable Internet connection or Direct Ethernet point Dynamic IP This type of connection should be used if you are configuring Compex CGX3224 for your Cable Internet service Once powered on Compex CGX3224 will request for an IP address which will be assigned by your service provider Certain Cable Internet Service Providers require DHCP Client ID to be passed in before an IP address is released For such cases you must configure the System Config with a System Name equivalent to the DHCP Client ID The configuration of System Config may be found in System Configuration on Page 71 PPP Over Ethernet PPPoE This type of connection should be chosen for ADSL service
82. trator access level you would see the ADMIN wording in the command prompt e g ADMIN HOME gt in the HOME page Command Navigation The commands are structured in pages to allow easy access When the switch is first power up you are presented with a HOME page It contains commands to navigate down to three BOTTOM pages each containing commands in different categories User can return to the page with the EXIT command afterward The commands can be categorized as General System Management Port Management and VLAN Management commands You would know which page you are in by the greeting command prompt You should get the SYSTEM PORT or VLAN wording in the command prompt if you are in respective page Command Reference e General Commands Command Description Page Access level Home System Port VLAN system Change to Yes Operator System Administrator Management Command page port Change to Port Yes Operator Management Administrator Command page VLAN Change to VLAN Yes Operator Management Administrator Command page exit Change to Yes Operator HOME page Administrator help Display Help Yes Yes Yes Yes Operator Message Administrator e System Management Commands Command Referenc
83. up Management Protocol IGMP v1 0 is used by IP hosts to report their host group memberships to any immediately neighboring multicast routers IGMP is an asymmetric protocol and is specified here from the point of view of a host rather than a multicast router NOTE IGMPv1 has no leave mechanism If a host no longer wants to receive the traffic it simply quits If it 18 the last the switch will not have any answers to its query and will delete the Group Destination Addresses GDA for that subnet For IGMP v2 0 IGMP v2 0 allows group membership termination to be quickly reported to the routing protocol which is important for high bandwidth multicast groups and or subnets with highly volatile group membership Multicast routers use IGMP v2 0 to learn which groups have members on each of their attached physical networks A multicast router keeps a list of multicast group memberships for each attached network and a timer for each membership Multicast group memberships means the presence of at least one member of a multicast group on a given attached network not a list of all of the members When a host receives a General Query it sets delay timers for each group excluding the all systems group of which it is a member on the interface from which it received the query When a router receives a Report it adds the group being reported to the list of multicast group memberships on the network on which it received the Report a
84. uration effective and save the latest setting NOTE If you select more than 4 ports for trunking an error message will appear 29 Chapter 5 Configure Compex CGX3224 using Web Interface 5 3 1 Simple application on Port Trunking From Figure 5 3b we are using two Compex CGX3224 to perform Port Trunking Port 425 and 26 are set as trunking ports for both Unit 1 and 2 After selecting the trunking group refer to Figure 5 3c CGX3224 Unit 1 and Unit 2 has created a pipeline with an aggregated bandwidth of Port 25 and Port 26 combined CGX3224 Unit 1 Workgroup B Figure 5 3b Example on Port Trunking Function 30 Chapter 5 Configure Compex CGX3224 using Web Interface o Nor T Trunk Member Port Trunking Setup Apply Ssve NOTE Any port can be a trunk port Max 4 trunk ports can be set CGX3224 Figure 5 3c Port 25 and 26 are set as Trunking Ports 5 4 DHCP Configuration Dynamic Host Configuration Protocol DHCP allows a PC to join an IP based network without the need of configuring the IP Addresses It assigns a unique IP address to the device When this device leaves the network DHCP server will release the IP address and when it re joins the DHCP server will then renew the IP address If you have set the TCP IP protocol of your PC to dynamic IP addressing the built in DHCP server will assign the DHCP Start IP Address and DHCP End IP Address automatically to the PCs
85. ve or Reset Settings saves or resets all settings Please refer to Section 9 6 Save or Reset Settings on Page 76 e Message Window various actions which is taken previously while configuring can be seen in this window Please refer to Section 9 7 Message Window on Page 81 e Reboot Switch restarts the device Please refer to Section 9 8 Reboot Switch on Page 82 e Logout exit Please refer to Section 9 9 Logout on Page 82 HELP menu e Technical Support make enquiries when you encounter problems while setting up the device Please refer to Section 10 1 Technical Support on Page 83 23 Chapter 4 Applications Chapter 4 Applications Compex CGX3224 may be used in the Backbone with an ADSL broadband internet connection as shown in Figure 4 1 Virtual LAN may be defined on Compex CGX3224 to logically segmentize your LAN into multiple broadcast domains with workgroup classifications CGX3224 Internet Servers Bandwidth Servers GSC2008WM ques lt e User groups on P a l ad Private LAN Switching p Figure 41 Compex CGX3224 the Backbone 24 Chapter 4 Applications Optional modules may be installed on Compex CGX3224 to support inter building connectivity using fiber optical cables as shown in Figure 4 1b Building A BEE BEE Building B CGX3224 Unit 1 Building C EE Gigabit Ethernet on Fiber 1000 Base SX or Fast
86. vices can be seen on Configuring Your Wide Area Network on Page 41 36 Chapter 6 NAT Configuration Chapter 6 NAT Configuration Network Address Translation allows an IP based network to manage its public Internet addresses separately from its private intranet addresses With NAT each private IP address can be translated to a different public address or multiple private addresses can be aliases to a single public one To accomplish this NAT software snoops both incoming and outgoing packets on the network It modifies the source or destination address in the IP header to reflect the mapping between internal and external addressing for that network NAT functionality appears Compex CGX3224 with low level access to packets at the network boundary Several variations NAT have also been implemented to provide additional support for application level protocols 6 1 Static IP Setting IP Forwarding IP forwarding is used to control access to local area networks from the Internet It accomplishes this by determining whether or not IP packets messages are exchanged between the local network and the Internet In networks which are always connected to the Internet each PC configured for its own direct Internet access must have IP forwarding enabled for the PC to pass their IP packets out to the Internet and vice versa Procedures To set a static IP Address 1 Enter a private IP Address such as 192 168 100 20 in the field
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