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Moxa PowerTrans Switch PT

1. Monitor Monitor a port and network status f MAC Address Table The complete table of Ethernet MAC Address List q System log The settings for Syslog and Event log h Exit Exit Use the up down arrow keys to select a category and then press Enter to select 5 In the terminal window select Preferences from the Terminal menu on the menu bar 6 The Terminal Preferences window should appear Make sure that VT100 Arrows is checked Terminal Preferences Terminal Options E mulation R O Local Echo E wT E2 Blinking Cursor amp VT AODZANSI F Block Cursor ed a Fonts Butter Size 25 Background Color 7 Use the following keys on your keyboard to navigate the PT 7528 s Telnet console o Key Fumeon Cancel di Help Display and select options Toggle options NOTE The Telnet console looks and operates in precisely the same manner as the serial console 2 6 PT 7528 Getting Started Configuration by Web Browser NOTE NOTE NOTE NOTE NOTE The PT 7528 s web console is a convenient way to modify the configuration and access the built in monitoring and network administration functions You can open the PT 7528 s web console using a standard web browser such as Internet Explorer or Netscape To connect to the PT 7528 s Telnet or web console your PC host and the PT 7528 must be on the same logical subnet If the PT 7528 is configured for other
2. Network The Network configuration allows users to configure both IPv4 and IPv6 parameters for management access over the network This Moxa Ethernet switch supports both IPv4 and IPv6 and can be managed through either of these address types An explanation of each configuration item follows IPv4 The IPv4 settings include the switch s IP address and subnet mask as well as the IP address of the default gateway In addition input cells are provided for the IP addresses of a 1st and 2nd DNS server IPv6 The IPv6 setting includes two distinct address types Link Local Unicast address and Global Unicast address A Link Local address makes the switch accessible over IPv6 for all devices attached to the same local subnet To connect to a larger network with multiple segments the switch must be configured with a Global Unicast address Network Parameters General Settings IPv4 Auto IP Configuration Switch IP Address 192 166 127 251 Switch Subnet Mask 255 255 255 0 Default Gateway IA ist DNS Server IP Address 2nd DNS Server IP Address IPv6 Global Unicast Address Prefix Po Global Unicast Address EE Link Lacal Address fe80 290 e8fffe00 2 0 IPv4 Auto IP Configuration Select this to set the PT 7528 s IP address manually Disable By DHCP The PT 7528 s IP address will be assigned automatically by the pe ee ne By BootP The PT 7528 s IP address will be assigned automatically by the network s BootP server
3. Packets from Devices B and C will travel through Trunk Port 3 with tagged VID 2 Switch B recognizes its VLAN passes it to port 4 and then removes tags received successfully by Device F and vice versa Packets from Device D will travel through Trunk Port 3 with tagged VID 3 Switch B will recognize its VLAN pass to port 5 and then remove tags received successfully by Device H Packets from Device H will travel through Trunk Port 3 with PVID 3 Switch A will recognize its VLAN and pass it to port 2 but will not remove tags received successfully by Device D Packets from Device E will travel through Trunk Port 3 with tagged VID 4 Switch B will recognize its VLAN pass it to port 7 and then remove tags received successfully by Device I Packets from Device I will travel through Trunk Port 3 with tagged VID 4 Switch A will recognize its VLAN and pass it to port 2 but will not remove tags received successfully by Device E 3 44 PT 7528 Featured Functions Configuring Virtual LAN VLAN Settings To configure 802 1Q VLAN on the PT 7528 use the VLAN Setting page to configure the ports 802 1Q VLAN Settings Management VLAN ID Enable GVRP PVID Fixed VLAN Tagged Forbidden VLAN 1 1 Access 1 2 Access 1 3 Access Y 1 4 Access Y 1 5 Access M Access 2 1 Access Y 2 2 Access 2 3 Access 2 4 Access Forbidden VLAN c c A EE TOT ay Access 4
4. The admin account has read write access of all configuration parameters and the user account has read access only The user account can only view the configuration but will not be able to make modifications Password Setting Account Marne admin Old Password Type Old Password New Password Retype Password ATTENTION By default no password is assigned to the PT 7528 s web Telnet and serial consoles If a password is assigned you will be required to enter the password when you open the serial console Telnet console or Web console Account This account can modify the PT 7528 s configuration This account can only view the PT 7528 s configurations Password Old password Enter the current password None max 16 characters New password Enter the desired new password Leave it blank if you want to None Max 16 characters remove the password Retype password Max Enter the desired new password again Leave it blank if you None 16 characters want to remove the password 3 3 PT 7528 Featured Functions Accessible IP The PT 7528 uses an IP address based filtering method to control access Accessible IP List Enable the accessible IP list Disable will allow all IP s connection NetMask eo ao N Na W nN You may add or remove IP addresses to limit access to the PT 7528 When the accessible IP list is enabled only addresses on the list will be allow
5. and TX Error RX Error Packets activity The graph displays data transmission activity by showing Packets s i e packets per second or pps versus sec seconds In fact three curves are displayed on the same graph Uni cast packets in red color Multi cast packets in green color and Broad cast packets in blue color The graph is updated every few seconds allowing the user to analyze data transmission activity in real time Monitor System Total Packets System v Total Packets Packetisec system Total Packets O D 0 j O DI 118 142 204 426 e 568 Unicast Multicast Broadcast Ser Utilized of switch bandwidth 0 Format Total Packets Packets in previous 5 sec interval update interval of 5 sec Pot ID ES O EE 1 1 0 0 0 0 0 0 0 0 A 12 0 0 0 0 0 0 0 0 1 3 0 0 0 0 0 0 0 0 14 0 0 0 0 0 0 0 0 15 0 0 0 0 0 0 0 0 16 0 0 0 0 0 0 0 0 3 68 PT 7528 Featured Functions Monitor by Port Access the Monitor by Port function by selecting ALL 10 100M or 1G Ports or Port i in which f 1 1 1 2 4 4 from the left pull down list The Port i options are identical to the Monitor by System function discussed above in that users can view graphs that show All Packets TX Packets RX Packets or Error Packets activity but in this case only for an individual port The All Ports option is essentially a graphical display of the individual port activity that can be viewed with the Console Monitor function discuss
6. e Multicast Filtering will be reset e Port Lock will be reset and disabled e Set Device IP will be reset e Mirror will be reset After port trunking has been activated you may configure these items again for each trunking ports 3 14 PT 7528 Featured Functions Configuring Port Trunking The Port Trunking Settings page is where ports are assigned to a trunk group Port Trunking Settings Trunk Group Trk1 Trunk Type Static Member Ports Available Ports ae Enable Description Speed 1 1 Yes 100FX SC Multi 100M Full Disable 1 2 Yes 100FX SC Multi 100M Full Disable 1 3 Yes 100TX RJ45 Auto Disable 1 4 Yes 100TX RJ45 Auto Disable Step 1 Select the desired Trunk Group Trk1 Trk2 Trk3 Trk4 Step 2 Select the Trunk Type Static or LACP Step 3 Select the desired ports under Available Ports and click Up to add to the Trunk Group Step 4 Select the desired ports under Member Ports and click Down to remove from the group Trunk Group Maximum of 4 trunk groups Trk1 Trk2 Trk3 Trk4 This specifies the current trunk group Trunk Type This selects Moxa s proprietary trunking protocol LACP This selects LACP IEEE 802 3ad Link Aggregation Control Static Protocol Available Ports Member Ports This is how each port is identified Member available ports This lists the ports in the current trunk group and the ports that N A FDX flow control This indicates if the FDX flow c
7. 0 0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 Uua PT 7528 Featured Functions Configuring Basic Settings Basic Settings includes the most common settings reguired by administrators to maintain and control the PT 7528 System Identification System Identification items are displayed at the top of the web console and will be included in alarm emails You can set the System Identification items to make it easier to identify different switches that are connected to your network System Identification Switch Name Managed Redundant Switch 00000 Switch Location Switch Location Switch Description Maintainer Contact Info Web Configuration http or https Switch Name Max 30 characters This option is useful for differentiating between the roles or Managed Redundant applications of different units Switch Serial no of Example Factory Switch 1 this switch Switch Location Max 80 characters This option is useful for differentiating between the locations of Switch Location different units Example production line 1 Switch Description Max 30 characters This option is useful for recording a more detailed description of the unit Maintainer Contact Info Max 30 characters This option is useful for providing information about who is responsible for maintaining this unit and how to contact this person 3 2 PT 7528 Featured Functions Password The PT 7528 provides two levels of configuration access
8. 0x2300 0x2337 2 word 0x3000 1 word 0x3100 1 word 0x3200 0x321B 1 word Redundancy Protocol 0x0000 None 0x0001 RSTP 0x0002 Turbo Ring 0x0003 Turbo Ring V2 RSTP Root 0x0000 Not Root 0x0001 Root OXFFFF RSTP Not Enable RSTP Port 1 28 Status 0x0000 Port Disabled 0x0001 Not RSTP Port 0x0002 Link Down 0x0003 Blocked 0x0004 Learning 0x0005 Forwarding OXFFFF RSTP Not Enable TR Master Slave 0x0000 Slave 0x0001 Master OXFFFF Turbo Ring Not Enable 0x3300 1 word C 3 PT 7528 Modbus TCP Map Data Type 1 word TR ist Port status 0x0000 Port Disabled 0x0001 Not Redundant 0x0002 Link Down 0x0003 Blocked 0x0004 Learning 0x0005 Forwarding TR 2nd Port status 0x0000 Port Disabled 0x0001 Not Redundant 0x0002 Link Down 0x0003 Blocked 0x0004 Learning 0x0005 Forwarding TR Coupling 0x0000 Off 0x0001 0n OxFFFF Turbo Ring Not Enable TR Coupling Port status 0x0000 Port Disabled 0x0001 Not Coupling Port 0x0002 Link Down 0x0003 Blocked 0x0005 Forwarding OxFFFF Turbo Ring Not Enable TR Coupling Control Port status 0x0000 Port Disabled 0x0001 Not Coupling Port 0x0002 Link Down 0x0003 Blocked 0x0005 Forwarding 0x0006 Inactive 0x0007 Active OxFFFF Turbo Ring Not Enable TR2 Coupling Mode 0x0000 None 0x0001 Dual Homing 0x0002 Coupling Backup 0x0003 Coupling Primary OXFFFF Turbo Ring V2 Not Enable TR2 Coupling Port Primary status Address 0x3301 0x3302 1 word 0x3303 1 word 0x3304 1 word 0x3305
9. 7528 Featured Functions 2nd Server IP address for the 2nd Assigns the IP address of the 2nd DHCP server that the switch None DHCP server tries to access 3rd Server IP address for the 3rd Assigns the IP address of the 3rd DHCP server that the switch None DHCP server tries to access 4th Server IP address for the 4th Assigns the IP address of the 4th DHCP server that the switch None DHCP server tries to access DHCP Option 82 Enable Option82 Enable or Disable Enable or disable DHCP Option 82 function Use the switch s IP address as the remote ID sub option Use the switch s MAC address as the remote ID sub option Client ID Use a combination of the switch s MAC address and IP address IP as the remote ID sub option Use a user defined value as the remote ID sub option al Displays the value according to the type you set Max 12 characters If you set Other as the Type you will need to provide a value switch s IP address Display Factory Default The actual hexdecimal value set by the DHCP server for the COA87FFB Remote ID This value is automatically generated based on the Value field Users cannot modify it DHCP Function Table Enable Enable or Disable Enable or disable DHCP Option 82 function for this port 3 65 gt Featured Functions Using Diagnosis The PT 7528 provides two important tools for administrators to diagnose network systems Mirror Port Mir
10. Cold start e Warm start e Configuration change activated e Power 1 2 transition Off On Power 1 2 transition On Off e Authentication fail e Topology changed e Master setting is mismatched e Port traffic overload e dotix Auth Fail e Port link off on 3 71 PT 7528 Featured Functions Using HTTPS SSL To secure your HTTP access the PT 7528 supports HTTPS SSL to encrypt all HTTP traffic Perform the following steps to access the PT 7528 s web browser interface via HTTPS SSL 1 Open Internet Explorer and type https PT 7528 s IP address in the address field Press Enter to establish the connection E https 142 168 127 253fhome asp Microsoft Internet Explorer File Edt View Favorites Tools Help Back mb 3 fal Search 5 Favorites P Media 4 Es dd Hd Address je https 192 168 1 27 253 home asp Warning messages will pop out to warn the user that the security certificate was issued by a company they have not chosen to trust Select Yes to enter the PT 7528 web browser interface and access the web browser interface secured via HTTPS SSL Security Alert changed by others However there is a problem with the site s KD Information vou exchange with this site cannot be viewed or security certificate AN The security certificate was issued by a company you have not chosen to trust View the certificate to determine whether you want to trust the certifying authority i The s
11. GE EE EE oe 3 68 Monitor DY POEL ie err ee ie ee ea ee ee si ee ee ee 3 69 Using the MAC Addiess Table ER EG EE ee EG II 3 69 USING System Aa SE saan bree ER DOE edn ERK EDE EN BOE demu BEE ee ee OE EE EE ee OE N ev GE Ed RE taR 3 70 EVENTO Orcadas 3 70 nn E 3 71 A O 3 72 As MIB Groups ias A 1 B Oe oo OE EE RE EE RE EE EO AE EA AN AE DE ED B 1 C Modbus ICP Map da C 1 Modbtis IformatiOR EE ED EE EE A GO Ra De N de Oe De DE Pe C 1 Read Only Registers Support Function Code 4 sesse ee RR Re ss Geek RR RR RR Re Ge EE Geek RR RR RR he ee Geek RR RR ee C 1 1 Introduction Welcome to the PowerTrans PT 7528 a managed redundant Gigabit Ethernet switch designed especially for connecting Ethernet enabled devices for industrial field applications The following topics are covered in this chapter O Overview O Package Checklist O Software Features PT 7528 Overview The PowerTrans PT 7528 is certified for use in power substation automation systems IEC 61850 3 IEEE 1613 traffic control systems NEMA TS 2 and railway applications EN50121 4 It can be used for Gigabit or Fast Introduction Ethernet backbones and supports redundant ring topologies It also supports dual power inputs 24 48 VDC or 110 220 VDC VAC to increase the reliability of communication The PT 7528 has a modular design that makes network planning easy and allows greater flexibility You can install up to 4 Modular Ethernet ports and 24 Fas
12. M 1000TX RJ45 Auto Disable v Auto 4 4 M 1000TX RJ45 Auto v Disable v Auto Enable Factory Default Checked This allows data transmission through the port Enabled Unchecked This immediately shuts off port access Description Media type This displays the media type for each module s port Name Max 63 characters This specifies an alias for the port to help administrators None differentiate between different ports Example PLC 1 Speed This allows the port to use the IEEE 802 3u protocol to Auto negotiate with connected devices The port and connected devices will determine the best speed for that connection Choose one of these fixed speed options if the connected Ethernet device has trouble auto negotiating for line speed 10M Half FDX Flow Ctrl This setting enables or disables flow control for the port when the port s Speed is set to Auto The final result will be determined by the Auto process between the PT 7528 and connected devices Enable This enables flow control for this port when the port s Speed is Disable set to Auto Disable This disables flow control for this port when the port s Speed is set to Auto 3 5 PT 7528 Featured Functions MDI MDIX This allows the port to auto detect the port type of the Auto connected Ethernet device and change the port type accordingly MDI Choose MDI or MDIX if the connected Ethernet device has MDIX trouble auto negotiating for port type
13. Not Enable E 5 PT 7528 Modbus TCP Map Data Type 0x3683 1 word TR2 Ring 2 2nd Port status 0x0000 Port Disabled 0x0001 Not Redundant 0x0002 Link Down 0x0003 Blocked 0x0004 Learning 0x0005 Forwarding OXFFFF Turbo Ring V2 Ring 2 Not Enable Memory mapping from address 0x0000 Ox3FFF C 6
14. Set as Master Enabled The PT 7528 is manually selected as the master Not checked Disabled The Turbo Ring or Turbo Ring V2 protocol will automatically select the master Redundant Ports 1st Port This specifies which port on the PT 7528 will be used as the first Port 1 1 N O 2nd Port This specifies which port on the PT 7528 will be used as the second redundant port Enable Ring Coupling This specifies that this PT 7528 will be a ring coupler Not checked This specifies that this PT 7528 is not a ring coupler Coupling Port Coupling Port This specifies which port on the PT 7528 will be used as the Port 1 3 coupling port without Gigabit Ethernet module Port 4 1 with Gigabit Ethernet module Coupling Control Port Coupling Control Port This specifies which port on the PT 7528 will be used as the Port 1 4 without coupling control port Gigabit Ethernet module Port 4 2 with Gigabit Ethernet module 3 25 PT 7528 Featured Functions Configuring Turbo Ring V2 Communication Redundancy Current Status Now Active None Master Slave Redundant Ports Status 1st Port 2nd Port Ring Coupling Ports Status see Coupling Port Coupling Control Port Settings Redundancy Protocol Turbo Ring Cl Set as Master Redundant Ports 1st Port 1 1 9 2nd Port 12 sv Cl Enable Ring Coupling Coupling Port 1 3 iv Coupling Control Port 1 4 v NOTE When using a dual
15. VLAN Mode Setting Description Factory Default 802 1Q VLAN Set VLAN mode to 802 1Q VLAN 802 1Q VLAN 802 1Q VLAN Set VLAN mode to Unaware Unaware Management VLAN ID VLAN ID from 1 to 4094 Assigns the VLAN ID of this PT 7528 Port Type Setting Description Factory Default This port type is used to connect single devices without tags Trunk Select Trunk port type to connect another 802 1Q VLAN aware switch or another LAN that combines tagged and or untagged devices and or other switches hubs ATTENTION For communication redundancy in the VLAN environment set Redundant Port Coupling Port and Coupling Control Port as Trunk Port since these ports act as the backbone to transmit all packets of different VLANs to different PT 7528 units Port PVID VID range from 1 to This sets the default VLAN ID for untagged devices that connect 1 4094 to the port 3 45 PT 7528 Featured Functions Fixed VLAN List Tagged VID range from 1 to This field will be active only when selecting the Trunk port type None 4094 Set the other VLAN ID for tagged devices that connect to the Trunk port Use commas to separate different VIDs Forbidden VLAN List VID range from 1 to This field will be active only when selecting the Trunk port type None 4094 Set the VLAN IDs that will not be supported by this trunk port Use commas to separate different VIDs Use the VLAN settings page to configure the PT 7528 s V
16. aired 1 4 Yes 239 255 255 250 01 00 5E 7F FF FA 44 1 The information includes VID Auto learned Multicast Router Port Static Multicast Router Port Querier Connected Port and the IP and MAC addresses of active IGMP groups Add Static Multicast MAC If required the PT 7528 also supports adding multicast groups manually Static Multicast MAC Address Current Static Multicast MAC Address List All Index MAC Address Join Port Remove Select Add New Static Multicast MAC Address to the List MAC Address i Join Port OM O12 013 O14 Dis Di TEE Di2 Di3 Di Add New Static Multicast Address to the List MAC Address Input the multicast MAC address of this host MAC Address Integer Input the number of the VLAN that the host with this MAC None address belongs to Join Port Select Deselect Checkmark the appropriate check boxes to select the join ports None for this multicast group 3 51 PT 7528 Featured Functions Configuring GMRP GMRP is a MAC based multicast management protocol whereas IGMP is IP based GMRP provides a mechanism that allows bridges and end stations to register or un register Group membership information dynamically GMRP Settings 1 1 C Enable 12 Enable 1 3 C Enable 1 4 C Enable 16 Enable 16 Enable 4 1 JEnable 4 2 JEnable 4 3 Enable 44 Enable Activate GMRP enable Enable Disable This enables or disables the GMRP function for the port listed in Disable
17. been identified the other paths are blocked In the above 3 figures STP first determined that the path through Bridge C was the most efficient and as a result blocked the path through Bridge B After the failure of Bridge C STP re evaluated the situation and opened the path through Bridge B How STP Works When enabled STP determines the most appropriate path for traffic through a network The method is described below STP Requirements Before STP can configure the network the system must satisfy the following requirements e Communication must be established between all bridges This communication is carried out using Bridge Protocol Data Units BPDUs which are transmitted in packets with a known multicast address e Each bridge must have a Bridge Identifier that specifies which bridge acts as the central reference point or Root Bridge for the STP system Bridges with a lower Bridge Identifier are more likely to be designated as the Root Bridge The Bridge Identifier is calculated using the MAC address of the bridge and a priority defined for the bridge The default priority of PT 7528 is 32768 3 32 PT 7528 Featured Functions e Each port has a cost that specifies the efficiency of each link The efficiency cost is usually determined by the bandwidth of the link with less efficient links assigned a higher cost The following table shows the default port costs for a switch Port Speed Path Cost 802 1D Path Cost 1998 Editio
18. console port to your PC s COM port generally COM1 or COM2 depending on how your system is set up After installing PComm Terminal Emulator open the PT 7528 s serial console as follows 1 From the Windows desktop click Start gt Programs gt PComm Lite 2 5 gt Terminal Emulator gt 3 Accessories EIER ES Diagnostic Favorites gt 53 StartUp gt Y Library Porting Notes ie ES Acrobat Reader 5 0 2 Library Programming Guide a E Internet Explorer af Monitor Eh Settings gt de MS DOS Prompt 2 PComm Library Help i Outlook Express E Terminal Emulator EN Find j 3 Windows Explorer g Uninstall 2 Version Info Profile Port Manager Help 4 Open Ctri Alt 0 2 2 PT 7528 Getting Started 3 The Property window should open On the Communication Parameter tab for Ports select the COM port that is being used for the console connection Set the other fields as follows 115200 for Baud Rate 8 for Data Bits None for Parity and 1 for Stop Bits Communication Parameter Terminal File Transfer Capturing COM Options Forts Baud Rate Data Bits Parity Stop Bits Output State DIR ON OFF Flow Control RATSAcTs M ONOFF RTS ON OFF 4 On the Terminal tab select VT100 for Terminal Type Click OK Communication Parameter Terminal File Transfer Capturing Terminal Type Dumb Terminal Option Transmit Lo
19. except that GMRP registers multicast addresses on ports When a port receives a GMRP join message it will register the multicast address to its database if the multicast address is not registered and all the multicast packets with that multicast address are able to be forwarded from this port When a port receives a GMRP leave message it will de register the multicast address from its database and all the multicast packets with this multicast address are not able to be forwarded from this port 3 49 PT 7528 Featured Functions Static Multicast MAC Some devices may only support multicast packets but not support either IGMP Snooping or GMRP The PT 7528 supports adding multicast groups manually to enable multicast filtering Enabling Multicast Filtering Use the serial console or Web interface to enable or disable IGMP Snooping and IGMP querying If IGMP Snooping is not enabled then IP multicast traffic is always forwarded flooding the network Configuring IGMP Snooping IGMP Snooping provides the ability to prune multicast traffic so that it travels only to those end destinations that require that traffic thereby reducing the amount of traffic on the Ethernet LAN IGMP Snooping Settings IGMP Snooping Setting Current VLAN List IGMP Snooping Enable O Query Interval 25 5 IGMP Snooping Enhanced Mode Snooping 1 1 Enable Enable Static Multicast Querer Port 11 O12 013 Om O15 Di 02 O22 023 25 026 41 O O O IGMP Snoopin
20. lalo Ee GE EE en ea Ee N RE We EG GR SE UR Ee ee DE ie ee 3 53 Trame Rate LIMINO SEHUN Sn RR on EE RE ER EE AA 3 53 Using POM ACCESS CONTON cad 3 54 COMTIGUTING STATIS Port Lock ee SE Se be ve tinue Ve ee Ge Ge ae es ea ee ee Sha AG sau N RD EE RE De 3 55 CORIdUFIPAIEEE S02 IA SE rd ns ns ie e Sues Pe Gee Ge Ri Ge Wee ke id Re N ei ed 3 55 Using IP FIICE ss EE A Ge Ge AG GE KG AE GR EE GR GE RE GE GE GR EE ER Ge eS 3 58 Using AULO WarnInd sees SESDE tous DERE ve DE De DE Ve De Ve ad 3 58 Eoiifiduring EmMa Warning ss EE EE EE Re EE ee De ee De ge ass 3 58 t EE eee eee eT eee eee ee TCE eee EG GEGEE EG GE EG GE EG GEE EE Ge ig 3 59 Emal Setup euritte eee oe ee GE DE GE DU GR EE Ge Ge ED Ge 3 60 Contigurina Relay Ward adn 3 61 A AAA nn A Ce eT eer eee Ce rer eter te mee 3 61 WIIG PVN NTS OE eds 3 62 Using Line SWap FaSt ReCOVGly viv AE N EE EE OE N OE oil 3 62 Configuring Line Swap Fast Recovery sies se ss see EE EEE EE ER RR ee Re RR ee Re RR EEE ES 3 62 USAS DEVICE PRE ES A E AS AA ee ee IG ee ee eres 3 62 Conrauring Set Devlce TIP be ES EG ii A Ea 3 63 Connguring DACP Relay AdehE is OE EE E 3 63 Using DIA GIO SIS DEER EE ESE EE EE HE OE EE OE EE EE EE EG ener Ee Ge RR eke 3 66 MITO POEL see ee vis vi ve ve E E ee he 3 66 PINO se RE Ge GE Ge GE Ge T AG GR GO EG GR EG GR GR GE Ge 3 67 HE EO AE OE AE NE EO N EO EE OE AE EE EE OE 3 67 STU Ga A OO EO OE OE EDE EE DE DE 3 68 Monitor DY SWE EE EE EE RS EE RD a ee Ge GE EG GE
21. of TFTP This specifies the IP address or name of the remote TFTP server server This must be specified before downloading or uploading files Configuration Files Path and Name Max 40 characters This specifies the path and file name of the PT 7528 s None configuration file on the TFTP server Firmware Files Path and Name Max 40 characters This specifies the path and file name of the PT 7528 s firmware file Log Files Path and Name Max 40 characters This specifies the path and file name of the PT 7528 s log file After setting the desired paths and file names click Activate to save the setting Click Download to download the prepared file from the remote TFTP server or click Upload to upload the desired file to the remote TFTP server 3 12 PT 7528 Featured Functions System File Update By Local Import Export Update System Files from Local PC Configuration File Log File Upgrade Firmware Upload Configure Data Configuration File Click Export to save the PT 7528 s configuration file to the local host Log File Click Export to save the PT 7528 s log file to the local host NOTE Some operating systems will open the configuration file and log file directly in the web page In such cases right click the Export button to save the file Upgrade Firmware To import a new firmware file onto the PT 7528 click Browse to select the firmware file that is saved on your computer The upgrade procedure
22. packets from traveling through any of the network s redundant loops In the event that one branch of the ring gets disconnected from the rest of the network the protocol automatically readjusts the ring so that the part of the network that was disconnected can reestablish contact with the rest of the network Initial setup for Turbo Ring or Turbo Ring V2 1 For each switch in the ring select any two ports as the redundant ports 2 Connect redundant ports on neighboring switches to form the redundant ring The user does not need to manually assign the master with Turbo Ring or Turbo Ring V2 If no switch is assigned as the master the protocol automatically selects one of the switches to be the master The master is only used to identify which segment in the redundant ring acts as the backup path In the following subsections we explain how the redundant path is selected for rings configured for Turbo Ring and Turbo Ring V2 3 20 PT 7528 Featured Functions Determining the Redundant Path for Turbo Ring In this case the redundant segment i e the segment that will be blocked during normal operation is determined by the number of PT series Ethernet switches in the ring and by the location of the master switch Turbo Ring with even number of switches de If the number of Ethernet switches in the Turbo Ring is 2N an even number the backup segment is one of the two segments connected to the N 1 st switch i e the unit directl
23. root of the tree If the Master of the Turbo Ring has changed or the backup path is activated LiNK ON The port is connected to another device Link OFF The port is disconnected e g the cable is pulled out or the eer Traffic Overload The port s traffic surpasses the Traffic Threshold for that port NN Ke cen ei a Enabled Traffic Duration sec A Traffic Overload warning is sent every Traffic Duration seconds if the average Traffic Threshold is surpassed during that time period NOTE The Traffic Overload Traffic Threshold and Traffic Duration sec Port Event items are related If you Enable the Traffic Overload event then be sure to enter a nonzero Traffic Threshold percentage as well as a Traffic Duration between 1 and 300 seconds NOTE Warning e mail messages will have sender given in the form Moxa_PowerTrans_Switch_0001 Switch_Location where Moxa_PowerTrans_Switch is the default Switch Name 0001 is PT 7528 s serial number and Switch_Location is the default Server Location Refer to the Basic Settings section to see how to modify Switch Name and Switch Location 3 59 PT 7528 Featured Functions Email Setup NOTE Email Alarm Events Settings Mail Server IP Name Account Name Account Password C Change Account Password Old Password New Password Retype Password 1st email address 2nd email address 3rd email address Ath email address Send Test E mai
24. specifies the SNMP protocol version used to manage the V1 V2c V1 V2c or switch V3 only V1 V2c Read Community Max 30 characters This specifies the community string to authenticate the SNMP Public agent for read only access The SNMP agent will access all objects with read only permissions using this community string V1 V2c Write Read Community Max 30 characters This specifies the community string to authenticate the SNMP Private agent for read write access The SNMP server will access all objects with read write permissions using this community string 3 17 PT 7528 Featured Functions For SNMP V3 there are two levels of privilege for different accounts to access the PT 7528 Admin privilege provides access and authorization to read and write the MIB file User privilege allows reading of the MIB file only Admin Auth Type for SNMP V1 V2c V3 and V3 only No Auth This allows the admin account to access objects without authentication MD5 Authentication will be based on the HMAC MD5 algorithms No Auth 8 character passwords are the minimum requirement for authentication SHA Authentication will be based on the HMAC SHA algorithms No Auth 8 character passwords are the minimum requirement for authentication Admin Data Encryption Key for SNMP V1 V2c V3 and V3 only Setting Description Factory Default Enable This enables data encryption using the specified data No encryption key
25. to be the 2nd member port Port 1 2 Tail Role Tail Port Select any port of the PT to be the tail port Port 1 1 Member Port Select any port of the PT to be the member port Port 1 2 3 30 PT 7528 Featured Functions The STP RSTP Concept NOTE Spanning Tree Protocol STP was designed to help reduce link failures in a network and provide protection from loops Networks that have a complicated architecture are prone to broadcast storms caused by unintended loops in the network The PT 7528 s STP feature is disabled by default To be completely effective you must enable RSTP STP on every PT 7528 connected to your network Rapid Spanning Tree Protocol RSTP implements the Spanning Tree Algorithm and Protocol defined by IEEE Std 802 1w 2001 RSTP provides the following benefits e The topology of a bridged network will be determined much more quickly compared to STP e RSTP is backward compatible with STP making it relatively easy to deploy For example gt It defaults to sending 802 1D style BPDUs if packets with this format are received gt STP 802 1D and RSTP 802 1w can operate on different ports of the same PT 7528 This feature is particularly helpful when PT 7528 ports connect to older equipment such as legacy switches You get essentially the same functionality with RSTP and STP To see how the two systems different please refer to Differences between RSTP and STP later in this chapter The STP protocol is
26. without being restricted by physical connections a limitation of traditional network design As an example with VLANs you can segment your network according to e Departmental groups You could have one VLAN for the marketing department another for the finance department and another for the product development department e Hierarchical groups You could have one VLAN for directors another for managers and another for general staff e Usage groups You could have one VLAN for email users and another for multimedia users 3 41 PT 7528 Featured Functions Switch A 1 3 3 d 3 6 7 Backbone connecs muR ple swiicnes Switch B 4 3 E i A Department 3 WLAN 3 Department 2 VLAN a Benefits of VLANs The main benefit of VLANs is that they provide a network segmentation system that is far more flexible than traditional networks Using VLANs also provides you with three other benefits VLANs ease the relocation of devices on networks With traditional networks network administrators spend much of their time dealing with moves and changes If users move to a different subnetwork the addresses of each host must be updated manually With a VLAN setup if a host on VLAN Marketing for example is moved to a port in another part of the network and retains its original subnet membership you only need to specify that the new port is on VLAN Marketing You do not need to carry out any re cabling VLANs p
27. 1 word 0x3500 1 word 0x3501 1 word Using in Dual Homing Coupling Backup Coupling Primary 0x0000 Port Disabled 0x0001 Not Coupling Port 0x0002 Link Down 0x0003 Blocked 0x0004 Learning 0x0005 Forwarding OXFFFF Turbo Ring V2 Not Enable C 4 PT 7528 Modbus TCP Map Data Type l o o i i o 7 i TR2 Coupling Port Backup status Only using in Dual Homing 0x0000 Port Disabled 0x0001 Not Coupling Port 0x0002 Link Down 0x0003 Blocked 0x0004 Learning 0x0005 Forwarding OXFFFF Turbo Ring V2 Not Enable TR2 Ring 1 status 0x0000 Healthy 0x0001 Break OXFFFF Turbo Ring V2 Not Enable TR2 Ring 1 Master Slave 0x0000 Slave 0x0001 Master OXFFFF Turbo Ring V2 Ring 1 Not Enable TR2 Ring 1 1st Port status 0x0000 Port Disabled 0x0001 Not Redundant 0x0002 Link Down 0x0003 Blocked 0x0004 Learning 0x0005 Forwarding OXFFFF Turbo Ring V2 Ring 1 Not Enable TR2 Ring 1 2nd Port status 0x0000 Port Disabled 0x0001 Not Redundant 0x0002 Link Down 0x0003 Blocked 0x0004 Learning 0x0005 Forwarding OXFFFF Turbo Ring V2 Ring 1 Not Enable TR2 Ring 2 status 0x0000 Healthy 0x0001 Break OXFFFF Turbo Ring V2 Ring 2 Not Enable TR2 Ring 2 Master Slave 0x0000 Slave 0x0001 Master OXFFFF Turbo Ring V2 Ring 2 Not Enable TR2 Ring 2 1st Port status 0x0000 Port Disabled 0x0001 Not Redundant 0x0002 Link Down 0x0003 Blocked 0x0004 Learning 0x0005 Forwarding OXFFFF Turbo Ring V2 Ring 2
28. 32 66secs LLDP Table Neighbor ID Neighbor Port Neighbor Port Description Neighbor System Enable LLDP Description Factory Default Enable or Disable Enable or disable LLDP function Enable Value Description Factory Default 30 seconds 5 to 32768 Transmit interval of LLDP messages in seconds LLDP Factory Default Enable Disable Enable or disable LLDP function Enable 3 67 PT 7528 Featured Functions Message Transmit Interval 5 to 32768 Transmit interval of LLDP messages in seconds 30 seconds LLDP Table Setting oescripuon O Neighbor Port Description A textual description of the neighboring device s interface Neighbor System Hostname of the neighboring device Using Monitor You can monitor statistics in real time from PT 7528 web console and serial console Monitor by Switch Access the Monitor by selecting System from the left selection bar Monitor by System allows the user to view a graph that shows the combined data transmission activity of all of PT 7528 s 18 ports Click one of the four options Total Packets TX Packets RX Packets or Error Packets to view transmission activity of specific types of packets Recall that TX Packets are packets sent out from PT 7528 RX Packets are packets received from connected devices and Error Packets are packets that did not pass TCP IP s error checking algorithm The Total Packets option displays a graph that combines TX RX
29. 528 Featured Functions Communication Between VLANS If devices connected to a VLAN need to communicate to devices on a different VLAN a router or Layer 3 switching device with connections to both VLANs needs to be installed Communication between VLANs can only take place if they are all connected to a routing or Layer 3 switching device VLANs Tagged and Untagged Membership The PT 7528 supports 802 1Q VLAN tagging a system that allows traffic for multiple VLANs to be carried ona single physical backbone trunk link When setting up VLANs you need to understand when to use untagged and tagged membership of VLANs Simply put if a port is on a single VLAN it can be an untagged member but if the port needs to be a member of multiple VLANs tagged membership must be defined A typical host e g clients will be untagged members of one VLAN defined as Access Port in PT 7528 while inter switch connections will be tagged members of all VLANs defined as Trunk Port in PT 7528 The IEEE Std 802 1Q 1998 defines how VLANs operate within an open packet switched network An 802 1Q compliant packet carries additional information that allows a switch to determine which VLAN the port belongs to If a frame is carrying the additional information it is known as a tagged frame To carry multiple VLANs across a single physical backbone trunk link each packet must be tagged with a VLAN identifier so that the switches can identify which packets belong
30. 6 PPV ME OE eo ie EE EL WEE EE IE RE ML ME ME EE IE ARE 3 6 IPV Eee EE OE EDE OE ES Cr rer err ere er err GE EE EG De OE OE E E OE EE EE OEO EE OEE EE 3 7 Mig os E A ee errr ee 3 8 DavlIghHt SaVINd NE an OE nen ern EE EE EE EE EA er ee rrr rer 3 9 Configurihg IEEE 1586 PTP AAA De Ge Ge aes aaa td a ie 3 10 ES Sun EE E E E EE EE EE ENTRA 3 11 system File Update By Remote TFI P in ER ES E ee 3 12 System File Update By Local Import Export see esse se ee RR EER E Gee RR RE REG GR RR RE REG GR RR RR REG GR RR RR RR EER RR RE Re RR Re ee 3 13 Factory Default lao 3 13 Using Port TFUAKINA surcos SEER ED EER EE ER rear p ee We 3 14 ThesPort TRONO CONCEPCION 3 14 Contiquitiad POFE TrUnKING cresintsiersnemee renee neem ra EE SE ERGE EE Ee ed ee Ge ee ee We ie ee 3 15 CONAGUA SS leet eee tere eo GE ee ee ee DE GE GE eT ee Tee N Ee 3 16 SNMP Read Write SSUES ces ees a do 3 17 Frap Setn Sas tatiana remar RR led 3 18 SAMP MOS ass 3 19 SNMP interim Mode ks SEE ER EDE EES ESE EE SE DEER SE ES EE EES DEE EE DE ee ee ee eo se ee ie de ee ee 3 19 Private MiB ro eh LO Nacida ira 3 19 Using Commumecaton Redundante E BERDE EER BERE EE ERGE BERE ER EERS EER Mes ed eae ee EE ERG GEE DEE WER EE We 3 20 The TErbo RING CONCOD Eras 3 20 Configuring Turbo Ring Turbo Ring V2 and Turbo Chain iss es se ER ee N Re RR ee RR RR Re Re ER Re ek ee ER ee 3 24 The Turbo Chain ConcEDE RE ERK ER EE GE GR ee Ge ie we er ee ee Ge EG EE EE DE 3 28 COMBIGUPIF Gs TUDO
31. 7 PT 7528 Featured Functions Using IP Filter IP filtering lets users control which IP addresses are allowed to access the port IP Filter Port 1 1 x IP Address da ot Pe o j g mn Using Auto Warning Since industrial Ethernet devices are often located at the endpoints of a system these devices will not always know what is happening elsewhere on the network This means that an industrial Ethernet switch that connects to these devices must provide system maintainers with real time alarm messages Even when control engineers are out of the control room for an extended period of time they can still be informed of the status of devices almost instantaneously when exceptions occur The PT 7528 supports different approaches to warn engineers automatically such as email and relay output It also supports two digital inputs to integrate sensors into your system to automate alarms by email and relay output Configuring Email Warning The Auto Email Warning function uses e mail to alert the user when certain user configured events take place Three basic steps are required to set up the Auto Warning function 1 Configuring Email Event Types Select the desired Event types from the Console or Web Browser Event type page a description of each event type is given later in the Email Alarm Events setting subsection 2 Configuring Email Settings To configure PT 7528 s email setup from the serial Telnet or web console enter yo
32. C The Coupling Port Primary on Switch B monitors the status of the main path and connects directly to an extra network port on Switch D With ring coupling established Switch A can activate the backup path as soon as it detects a problem with the main path ATTENTION Ring coupling only needs to be enabled on one of the switches serving as the ring coupler The coupler must assign separate ports for the two Turbo Ring ports and the coupling port NOTE You do not need to use the same PT series Ethernet switch for both ring coupling and ring master Dual Homing Configuration for Turbo Ring V2 Dual homing is only supported with Turbo Ring V2 and is used to connect two networks through a single Ethernet switch The primary path is the operating connection and the backup path is a back up connection that is activated in the event that the primary path connection fails Dual Homing for Turbo Ring V2 Master Primary 3 23 PT 7528 Featured Functions Configuring Turbo Ring Turbo Ring V2 and Turbo Chain On the Communication Redundancy page select Turbo Ring or Turbo Ring V2 or Turbo Chain as the Redundancy Protocol Note that each protocol s configuration page is different Configuring Turbo Ring Communication Redundancy Current Status Now Active None Master Slave Redundant Ports Status 1st Port 2nd Port Ring Coupling Ports Status see Coupling Port Coupling Control Port Settings Redundancy Prot
33. CHAIN sancionada datada aaa 3 29 Explanation Of Current Status ems EE EG GE EE KG Ge EE EG ED GE GE GE GE Ge GR ke 3 30 Explanatioirof settings tels EE ten ween WO ese BEN oa Mana ee Be N SG a 3 30 TAE STIP RETPEGlteBE ees GE EG N N GE AE EE GE GE RE DE GE GE Ge nade 3 31 CONNOURNO SIP ees dk oe oe wie A A ON 3 35 te ing Iraftic PrioritizatiOf SS i 3 37 The Trame Prioritization CONCEP EE ER EE ek Ge EE EG eee GR Ek GE GE EG GE Re GE Re eN he 3 37 Configuring Traffic Prioritlzatl OM ati 3 39 Using Vital DANS is es er ES iberico bin de ee 3 41 TheVirtual LAN VLAN CO COP is oe oe Re ER E aS 3 41 Sample Applications of VLANs using PT Z528 ss EE EE EER RR RE REG ER RR RE REG ER RR RR REG GR RR RR REG GR RR RR RR Ee ek ER EG ER RR EE 3 43 EoPfi uring Vital LAN sus en GE N ie Ge il uh 3 45 Using Multicast FUTE EWING ss se ES EE RES SOSEER ERGE SR EE EE GR EE EE GE EE GR EE Ge GEGEE Ee NG DE EE De EG KO GO Ee de ee 3 47 The Concept of Multicast HilteFINnE ER EK EK Ee aa 3 47 COnEGUEING IGMP SHOODING sb n Se n ee E EE ee 3 50 Add State MuitlERSEMAGE EG a ant el tae eae oe 3 51 Son se id EE Cee eee EN N N N N ON OE EE EE N EE EE 3 52 GHMRP able ES A DE N OES GR EE N Di GE VG DE EE DES 3 52 Using Bandwidth Managemen ss EE AAA Be ee GE tiara AAA ASA 3 53 Configuring Bandwidth Management ee EER EE RR EER E EER RR EER EG GR RR RE REG ER RR AE RE Gee RR RE RE ee RR RE DE eek RR RE Re GR RR RE 3 53 BroddCast Stor Protecciones torta
34. Event Log Table e Cold start e Warm start e Configuration change activated e Power 1 2 transition Off On Power 1 2 transition On Off e Authentication fail e Topology changed e Master setting is mismatched e Port traffic overload e dot1ix Auth Fail e Port link off on 3 70 A Featured Functions Syslog NOTE This function provides the event logs for the syslog server The function supports 3 configurable syslog servers and syslog server UDP port numbers When an event occurs the event will be sent as a syslog UDP packet to the specified syslog servers Syslog Settings Syslog Server 1 4 1 65535 h Port Destination 5 Syslog Server 2 Port Destination 514 1 65535 Syslog Server 3 Port Destination 5 4 1 65535 Syslog Server 1 IP Address Enter the IP address of 1st Syslog server used by your None network Port Destination Enter the UDP port of 1st Syslog server 514 1 to 65535 Syslog Server 2 IP Address Enter the IP address of 2nd Syslog server used by your None N Ee id i Port Destination Enter the UDP port of 2nd Syslog server 514 ooms ER Syslog Server 3 IP Address Enter the IP address of 3rd Syslog server used by your None network Port Destination Enter the UDP port of 3rd Syslog server 514 1 to 65535 The following events will be recordeded into the PT 7528 s Event Log table and will then be sent to the specified Syslog Server e
35. LAN Unaware mode 802 1Q VLAN Settings unaware WLAN Made Unaware VLAN For certain Power Substation scenarios some applications may require priority tagged frames to be received by IEDs To fulfill these requirements Moxa PT 7528 Series Ethernet switches allow VLAN Unaware Mode Operation Frames ingress a VLAN unaware Frames egress a switch and are not associated with VLAN unaware switch and are any VLAN sent out unmodified VID 0 e y me E N d gt MA y N IED IED VLAN Table VLAN Table VLAN Mode VLAN Mode 802 10 VLAN Management VLAN Management VLAN 1 Current 802 1Q VLAN List ar 1 1 1 2 1 3 1 4 1 5 1 6 2 1 2 2 2 3 2 4 2 5 2 6 4 1 4 2 4 3 4 4 In 802 1Q VLAN table you can review the VLAN groups that were created Joined Access Ports and Trunk Ports and in Port based VLAN table you can review the VLAN group and Joined port NOTE The physical network can have a maximum of 64 VLAN settings 3 46 PT 7528 Featured Functions Using Multicast Filtering Multicast filtering improves the performance of networks that carry multicast traffic This section explains multicasts multicast filtering and how multicast filtering can be implemented on your PT 7528 The Concept of Multicast Filtering What ts an IP Multicast A multicast is a packet sent by one host to multiple hosts Only those hosts that belong to a specific multicast group will receive the multicast If the netw
36. Moxa PowerTrans Switch PT 7528 User s Manual First Edition May 2012 www moxa com product MOXA 2012 Moxa Inc All rights reserved Moxa PowerTrans Switch PT 7528 User s Manual The software described in this manual is furnished under a license agreement and may be used only in accordance with the terms of that agreement Copyright Notice Trademarks 2012 Moxa Inc All rights reserved The MOXA logo is a registered trademark of Moxa Inc All other trademarks or registered marks in this manual belong to their respective manufacturers Disclaimer Information in this document is subject to change without notice and does not represent a commitment on the part of Moxa Moxa provides this document as is without warranty of any kind either expressed or implied including but not limited to its particular purpose Moxa reserves the right to make improvements and or changes to this manual or to the products and or the programs described in this manual at any time Information provided in this manual is intended to be accurate and reliable However Moxa assumes no responsibility for its use or for any infringements on the rights of third parties that may result from its use This product might include unintentional technical or typographical errors Changes are periodically made to the information herein to correct such errors and these changes are incorporated into new editions of the publication Technical Sup
37. Port 1 5 without Gigabit Ethernet module Port 1 3 with Gigabit Ethernet module Backup Port Port 1 6 without Gigabit Ethernet module Port 1 4 with Gigabit Ethernet module Ring Coupling This specifies that the PT 7528 will be Coupling Port backup used for a ring coupling backup Port 1 5 without Gigabit Ethernet module connection Port 1 3 with Gigabit Ethernet module Ring Coupling This specifies that the PT 7528 will be Coupling Port primary used for a ring coupling primary Port 1 5 without Gigabit Ethernet module connection Port 1 3 with Gigabit Ethernet module Primary Backup Port Primary Port This specifies which port on the Coupling Port PT 7528 will be used as primary port Port 1 5 without Gigabit Ethernet module Port 1 3 with Gigabit Ethernet module Backup Port This specifies which port on the Coupling Port PT 7528 will be used as the backup Port 1 5 without Gigabit Ethernet module port Port 1 3 with Gigabit Ethernet module The Turbo Chain Concept Moxa s Turbo Chain is an advanced software technology that gives network administrators the flexibility to construct any type of redundant network topology When using a Turbo Chain you first connect the Ethernet switches in a chain and then simply link the two ends of the chain to an Ethernet network as illustrated in the following figure Turbo Chain can be used on industrial networks that have a complex topology If the industrial network us
38. Subdomain Name _DFLT Status Offset To Master nsec Grandmaster UUID Parent UUID Clock Stratum Clock Identifier PTP Port Settings Port A 1 1 Enable PTP_DISABLED 1 2 Enable PTP_DISABLED 1 3 Enable PTP_DISABLED 1 4 Enable PTP_DISABLED 1 5 Enable PTP_DISABLED 1 6 Enable PTP_DISABLED Operation IEEE 1588 PTP Disable or enable IEEE 1588 PTP operation Disabled Configuration IEEE 1588 PTP Clock Mode Supports software based IEEE 1588 PTP mode Disabled Sync Interval Period for sending synchronization messages in seconds Disabled Subdomain Name Support _DFLT Default domain only _DFLT Status Offset To Master nsec Deviation between local time and the reference clock in nanoseconds value is the value of the grand master Clock s Uuid field of the Grandmaster UUID When the clock has a port in PTP_SLAVE state this member s ma last Sync message received from the parent of the slave port 3 11 PT 7528 Featured Functions System File Update By Remote TFTP The PT 7528 supports saving your configuration or log file to a remote TFTP server or local host Other PT 7528 switches can also load the configuration at a later time The PT 7528 also supports loading firmware or configuration files from the TFTP server or a local host Update System Files by TFTP TFTP Server IP Name Configuration Files Path and Name Firmware Files Path and Name Log Files Path and Name TFTP Server IP Name IP address
39. Switch IP Address IP address for the This assigns the PT 7528 s IP address on a TCP IP network 192 168 127 253 PT 7528 3 6 gt Featured Functions Switch Subnet Mask Subnet mask for the This identifies the type of network to which the PT 7528 is 255 255 255 0 PT 7528 connected e g 255 255 0 0 for a Class B network or 255 255 255 0 for a Class C network Default Gateway IP address for gateway This specifies the IP address of the router that connects the LAN None to an outside network DNS IP Address IP address for DNS This specifies the IP address of the DNS server used by your server network After specifying the DNS server s IP address you can use the PT 7528 s URL e g www PT company com to open the web console instead of entering the IP address IP address for 2nd DNS This specifies the IP address of the secondary DNS server used None server by your network The PT 7528 will use the secondary DNS server if the first DNS server fails to connect IPv6 Global Unicast Address Prefix Prefix Length 64 bits Global Unicast Address The prefix value must be formatted according to RFC 2373 Prefix IPv6 Addressing Architecture using 8 colon separated 16 bit hexadecimal values One double colon may be used in the address to indicate the appropriate number of zeros required to fill the undefined fields Global Unicast Address Display an IPv6 Global Unicast address The netwo
40. This specifies the PT 7528 s bridge priority A lower number selected by user means a higher priority which means a greater chance of being established as the root of the Spanning Tree topology Forwarding Delay Numerical value input This specifies the amount of time this device will wait before 15 sec by user checking to see if it should change to a different state Hello Time sec Numerical value input This specifies the time interval between hello messages by user broadcast by the root of the Spanning Tree topology The hello message is used to check if the topology is healthy Max Age sec Numerical value input This specifies the amount of time to wait for a hello message 20 by user from the root before the PT 7528 will reconfigure itself as a root When two or more devices on the network are recognized as aroot the devices will renegotiate to set up a new Spanning Tree topology Enable STP per Port Enable Disable This includes the selected port as a node on the Spanning Tree Disabled topology NOTE We suggest that you disable the Spanning Tree Protocol for ports that are connected directly to a device PLC RTU etc as opposed to network equipment This will prevent unnecessary negotiation Port Priority Numerical value This specifies the port s priority as a node on the Spanning Tree 128 selected by user topology Lower values correspond to higher priority Port C
41. VLAN settings you must make sure your PC host is on the management VLAN When connecting to the PT 7528 s Telnet or web console first connect one of PT 7528 s Ethernet ports to your Ethernet LAN or directly to your PC s Ethernet port You may use either a straight through or cross over Ethernet cable The PT 7528 s default IP address is 192 168 127 253 After making sure that the PT 7528 is connected to the same LAN and logical subnet as your PC open the PT 7528 web console as follows 1 Point your web browser to the PT 7528 s IP address by entering it in the Address or URL field 3 washingtonpost com News Front Microsoft Internet Explorer Y gt File Edit View Favorites Tools Help rm ap G3 2 Bact Forward Stop Refresh Home Search Address 192 169 127 253 2 The PT 7528 s web console will open and you will be prompted to log in Select the login account admin or user and enter the Password This password will be required to access any of the consoles web serial Telnet If you do not wish to create a password leave the Password field blank and press Enter MOXA PowerTrans PT 1528 Series uri Model PT 7528 MAC Address 00 90 E8 75 28 33 STAT mm PWR1 PwWR2 FAULT Name Managed Redundant Switch 00000 Firmware version V0 9 build 12042713 MSTR HEAD CPLR TAIL Location Switch Location Account Password By default no password is assigned to the PT 7528 s web serial
42. aced in the appropriate priority queue ready for transmission through the appropriate egress port When the packet reaches the head of its queue and is about to be transmitted the device determines whether or not the egress port is tagged for that VLAN If it is then the new 802 1p tag is used in the extended 802 1D header The PT 7528 will check a packet received at the ingress port for IEEE 802 1D traffic classification and then prioritize it based upon the IEEE 802 1p value service levels in that tag It is this 802 1p value that determines which traffic queue the packet is mapped to Traffic Queues The PT 7528 hardware has multiple traffic queues that allow packet prioritization to occur Higher priority traffic can pass through the PT 7528 without being delayed by lower priority traffic As each packet arrives in the PT 7528 it passes through any ingress processing which includes classification marking re marking and is then sorted into the appropriate queue The switch then forwards packets from each queue The PT 7528 supports two different queuing mechanisms e Weight Fair This method services all the traffic queues giving priority to the higher priority queues Under most circumstances this method gives high priority precedence over low priority but in the event that high priority traffic except the link capacity lower priority traffic is not blocked e Strict This method services high traffic queues first low priority queu
43. ail Switch Configuration Communication Redundancy Current Status Now Active None Settings Redundancy Protocol Turbo Chain Port Role Port Num Port Status Tail Port Member Port 12 w E 3 29 PT 7528 Featured Functions Explanation of Current Status Items Now Active Shows which communication protocol is in use Turbo Ring Turbo Ring V2 Turbo Chain RSTP or none The Ports Status indicators show Forwarding for normal transmission Blocked if this port is connected to the Tail port as a backup path and the path is blocked and Link down if there is no connection Explanation of Settings Items Redundancy Protocol Turbo Ring Select this item to change to the Turbo Ring configuration page None Turbo Ring V2 Select this item to change to the Turbo Ring V2 configuration page Turbo Chain Select this item to change to the Turbo Chain configuration page RSTP IEEE Select this item to change to the RSTP configuration page 802 o None Ring Ring redundancy is not active is not active Role Setting besaigten O Factory Defaut A id Head Role Head Port Select any port of the PT to be the head port Port 1 1 Member Port Select any port of the PT to be the member port Port 1 2 Member Role 1st Member port Select any port of the PT to be the 1st member port Port 1 1 without Gigabit Ethernet module Port 4 1 with Gigabit Ethernet module 2nd Member port Select any port of the PT
44. al applications e Provide predictable throughput for multimedia applications such as video conferencing or voice over IP and minimize traffic delay and jitter e Improve network performance as the amount of traffic grows This will save cost by reducing the need to keep adding bandwidth to the network 3 37 PT 7528 Featured Functions How Traffic Prioritization Works Traffic prioritization uses the four traffic queues that are present in your PT 7528 to ensure that high priority traffic is forwarded on a different queue from lower priority traffic This is what provides Quality of Service QoS to your network The PT 7528 traffic prioritization depends on two industry standard methods e IEEE 802 1D a layer 2 marking scheme e Differentiated Services DiffServ a layer 3 marking scheme IEEE 802 1D Traffic Marking The IEEE Std 802 1D 1998 Edition marking scheme which is an enhancement to IEEE Std 802 1D enables Quality of Service on the LAN Traffic service levels are defined in the IEEE 802 1Q 4 byte tag which is used to carry VLAN identification as well as IEEE 802 1p priority information The 4 byte tag immediately follows the destination MAC address and Source MAC address The IEEE Std 802 1D 1998 Edition priority marking scheme assigns an IEEE 802 1p priority level between 0 and 7 to each frame This determines the level of service that that type of traffic should receive Refer to the table below for an example of ho
45. and Telnet consoles 2 7 PT 7528 Getting Started 3 After logging in you may need to wait a few moments for the web console to appear Use the folders in the left navigation panel to navigate between different pages of configuration options MOXA Model PT 7528 Na Location Switch Loc on PowerTrans PT 1528 Series Serial No PWR1 PWR2 MSTR HEAD CPLRTAIL sal Mao Mies Welcome to the Web Console 13 Overview LI Basic Settings See below for a brief description of each function groups and then click on the item in the left pane to access the item HE Port Trunking f gt CI SNAP Setti Basic Settings Basic settings for network management parameters and system configurations DENEVE vettings Port Trunking Allows multiple ports to be aggregated as a link 3 Communication Redundancy i y SNMP Settings The settings for SNMP 3 Traffic Prioritization UNT i DAT BO Virtual LAN Communication Redundancy Establish Ethernet communication redundant path Traffic Prioritization Prioritize Ethernet traffic to increase determinism Multicast Filtering i Virtual LAN Set up a VLAN by IEEE 802 1Q VLAN or Port based VLAN Bandwidth Management ee a di Multicast Filtering Enable the multicast filtering capability Auto Warning z Bandwidth Management Restrict unpredictable netw
46. ation server The server that performs the actual authentication of the supplicant Authenticator Edge switch or wireless access point that acts as a proxy between the supplicant and the authentication server requesting identity information from the supplicant verifying the information with the authentication server and relaying a response to the supplicant The PT 7528 acts as an authenticator in the 802 1X environment A supplicant and an authenticator exchange EAPOL Extensible Authentication Protocol over LAN frames with each other We can either use an external RADIUS server as the authentication server or implement the authentication server in PT 7528 by using a Local User Database as the authentication look up table When we use an external RADIUS server as the authentication server the authenticator and the authentication server exchange EAP frames between each other Authentication can be initiated either by the supplicant or the authenticator When the supplicant initiates the authentication process it sends an EAPOL Start frame to the authenticator When the authenticator initiates the authentication process or when it receives an EAPOL Start frame it sends an EAP Request Identity frame to ask for the username of the supplicant 3 54 PT 7528 Featured Functions Configuring Static Port Lock The PT 7528 supports adding unicast groups manually if required Add Static Unicast MAC Address MAC Address el Ee E E Port 1 1 N
47. be used to communicate between the SNMP agent and manager Protocol Se i Authentication Encryption Version V1 V2c Read This uses a community string match for Community string No og Community authentication SNMP V1 V2c V1 V2c This uses a community string match for Write Read Community string No authentication Community This uses an account with admin or user No Auth No No to access objects This provides authentication based on Authentication HMAC MD5 or HMAC SHA algorithms MD5 or SHA based on MD5 or No 8 character passwords are the SHA minimum requirement for SNMP V3 authentication This provides authentication based on oe HMAC MD5 or HMAC SHA algorithms Authentication l l Data encryption and data encryption key 8 character MD5 or SHA based on MD5 or Sen passwords and a data encryption key are the minimum requirements for authentication and encryption 3 16 PT 7528 Featured Functions These parameters are configured on the SNMP page A more detailed explanation of each parameter is given below the figure SNMP SNMP Read Write Settings SNMP Versions V1 V2c ka V1 V2c Read Community public W1W2c Write Read Community private Admin Auth Type Admin Data Encryption Key User Auth Type User Data Encryption Key E Trap Settings ist Trap Server IP Name ist Trap Community 2nd Trap Server IP Name Po 2nd Trap Community SNMP Read Write Settings SNMP Versions V1 V2c V3 or This
48. between 8 and 30 characters re User Auth Type for SNMP V1 V2c V3 and V3 only No Auth This allows the admin account and user account to access objects without authentication MD5 Auth Authentication will be based on the HMAC MD5 algorithms No 8 character passwords are the minimum requirement for Authentication will be based on the HMAC SHA algorithms No 8 character passwords are the minimum requirement for authentication ia User Data Encryption Key for SNMP V1 V2c V3 and V3 only Setting Description Factory Dealt Enable This enables data encryption using the specified data No encryption key between 8 and 30 characters PA Trap Settings SNMP traps allow an SNMP agent to notify the NMS of a significant event The PT 7528supports two SNMP modes Trap mode and Inform mode 1st Trap Server IP Name IP or name This specifies the IP address or name of the primary trap server None used by your network 1st Trap Community Max 30 characters This specifies the community string to use for authentication 2nd Trap Server IP Name IP or name This specifies the IP address or name of the secondary trap None server used by your network 3 18 PT 7528 Featured Functions 2nd Trap Community Max 30 characters This specifies the community string to use for authentication SNMP Trap Mode In Trap mode the SNMP agent sends an SNMPv1 trap PDU to the NMS An acknowledgment is not sent back f
49. callechae Send Enter Rey As Receive CR Translation No Changed zj LF Translation No Changed zj 5 In the terminal window the PT 7528 will prompt you to select a terminal type Enter 1 to select ansi vt100 and press Enter OXA EtherDevice Switch PT 7528B Console terminal type 1 ansifvt100 2 vt52 1 2 3 PT 7528 Getting Started 6 The serial console will prompt you to log in Press Enter and select admin or user Use the down arrow key on your keyboard to select the Password field and enter a password if desired This password will be required to access any of the consoles web serial Telnet If you do not wish to create a password leave the Password field blank and press Enter Model PT 526 Name Managed Redundant Switch 00000 Location Switch Location Firmware Version V0 9 build 12042713 Serial Ne oogdd TE 192 166 127 250 MAC Address UO 90 Es 75 26 35 Account Password 7 The Main Menu of the PT 7528 s serial console should appear In PComm Terminal Emulator you can adjust the font by selecting Font in the Edit menu PT 7528 series V0 9 build 12042713 1 Basic Settings Basic settings for network and system parameter 2 Port Trunking Allows multiple ports to be aggregated as a link 3 SNMP Settings The settings for SNMP 4 Comm Redundancy Establish Ethernet communication redundant path 5 Traffic Prioritization Prioritize Ethernet traffic
50. d D Select two ports on each switch to be used as coupling ports and link them together Next assign one switch e g Switch A to be the coupler and connect the coupler s coupling control port with Switch B for this example The coupler switch i e Switch A will monitor switch B through the coupling control port to determine whether or not the coupling port s backup path should be recovered Ring Coupling for Turbo Ring V2 Switch B Switch D a COUPling Port Primary Port Primary id o 3 2r Path EE Coupling P Port rt Backup Switch A Switch C Note that the ring coupling settings for a Turbo Ring V2 are different from a Turbo Ring For Turbo Ring V2 ring coupling is enabled by configuring the Coupling Port Primary on Switch B and the Coupling Port Backup on Switch A only You do not need to set up a coupling control port so Turbo Ring V2 does not require a coupling control line 3 22 PT 7528 Featured Functions The Coupling Port Backup on Switch A is used for the backup path and connects directly to a network port on Switch C The Coupling Port Primary on Switch B monitors the status of the main path and connects directly to an extra network port on Switch D With ring coupling established Switch A can activate the backup path as soon as it detects a problem with the main path The Coupling Port Backup on Switch A is used for the backup path and connects directly to a network port on Switch
51. d Redundant Switch 00000 Switch Location Switch Location Switch Description PT 7528 Maintainer Contact Info Serial NO OO000 Firmware Version VO 9 build 12042713 MAC Address O0 90 E8 75 286 33 Telnet Console Enable Web Configuration http or https Web Auto logout ts 0 Age time s 300 2 8 3 Featured Functions This chapter explains how to access PT 7528 s various configuration monitoring and administration functions These functions can be accessed by serial Telnet or web console The serial console can be used if you do not know PT 7528 s IP address and requires that you connect the PT 7528 to a PC COM port The Telnet and web consoles can be opened over an Ethernet LAN or the Internet The web console is the most user friendly way to configure PT 7528 In this chapter we use the web console interface to introduce the functions There are only a few differences between the web console serial console and Telnet console The following topics are covered in this chapter Configuring Basic Settings Using Port Trunking Configuring SNMP Using Communication Redundancy Using Traffic Prioritization Using Virtual LAN Using Multicast Filtering Using Bandwidth Management Using Port Access Control Using IP Filter Using Auto Warning Using Line Swap Fast Recovery Using Set Device IP Using Diagnosis LLDP Using Monitor Using the MAC Address Table Using System Log Using HTTPS SSL A 0 0
52. ddress must be set to 192 168 xxx xxx for a subnet mask of 255 255 0 0 or to 192 168 127 xxx with a subnet mask of 255 255 255 0 NOTE To connect to the PT 7528 s Telnet or web console your PC host and the PT 7528 must be on the same logical subnet NOTE When connecting to the PT 7528 s Telnet or web console first connect one of PT 7528 s Ethernet ports to your Ethernet LAN or directly to your PC s Ethernet port You may use either a straight through or cross over Ethernet cable NOTE The PT 7528 s default IP address is 192 168 127 253 After making sure that the PT 7528 is connected to the same LAN and logical subnet as your PC open the PT 7528 s Telnet console as follows 1 Click Start gt Run from the Windows Start menu Telnet to the PT 7528 s IP address from the Windows Run window You may also issue the Telnet command from a DOS prompt Run EIE resource and Windows will open it For you Open telnet 192 168 127 253 7 Type the name of a program folder document or Internet Cancel Browse 2 In the terminal window the Telnet console will prompt you to select a terminal type Type 1 to choose ansi vt100 and then press Enter OXA EtherDevice Switch PT 752B Console terminal type 1 ans1ifvt100 2 wt52 1 3 The Telnet console will prompt you to log in Press Enter and select admin or user Use the down arrow key on your keyboard to select the Password field and enter a password if des
53. e enough for raw data sampled values Moxa s PT 7528 PTP IEC 61850 3 fast Ethernet switches support the latest version of IEEE 1588 v2 technology to fulfill precise time synchronization requirements for protection and control applications These Ethernet switches guarantee time stamping accuracy within 1 us for the IEC 61850 process layer They can be configured for 1558 v2 Master Boundary Clock and Transparent Clock functionality E End Device L w IEEE 1588 PowerTrans Series ps Ethernet Switch w IEEE 1588 y 5 a AE as gt 1 y Grandmaster Clock Ll Determines the time co Clock m 5 E base for the system Slave to the grandmaster clock Ordinary Clock and master to its slave Slave to its master 3313 The following diagram shows a basic IEEE 1588 application hierarchy for substation automation IEEE 1588 PTP in Substation Monitoring Server Engineering Contra Room SNTP Server amuua die Station level Network non IEEE 1588 Ethernet Switch A A An 1 Grandmaster 1 Glock Protection Switchgear Current Voltage Transformer Process level Network IEEE 1588 Ethernet Switch d F sk ak ae N te na css Ethernet IEEE 1588 packet 3 10 PT 7528 Featured Functions PTP Setting PTP Setting Operation IEEE 1588 P TP Operation C Enable PTP Configuration IEEE 1588 P TP Clock Mode Sync Interval
54. e several minutes to locate the disconnected or severed cable For example if the PT 7528 is used as a key communications component of a production line several minutes of downtime can result in a big loss in production and revenue The PT 7528 supports three different protocols for communication redundancy Rapid Spanning Tree Protocol IEEE 802 1w and Turbo Ring and Turbo Ring V2 and Turbo Chain When configuring a redundant ring all switches on the same ring must be configured using the same redundancy protocol You cannot mix the Turbo Ring Turbo Ring V2 and STP RSTP protocols within a ring The following table lists the key differences between each feature Use this information to evaluate each the benefits of each and then determine which features are most suitable for your network Turbo Ring V2 Turbo Ring _ Turbo Chain STP RSTP NOTE Most managed switches by Moxa support two proprietary Turbo Ring protocols e Turbo Ring refers to the original version of Moxa s proprietary redundant ring protocol which has a recovery time of under 300 ms e Turbo Ring V2 refers to the new generation Turbo Ring which has a recovery time of under 20 ms The Turbo Ring Concept Moxa developed the proprietary Turbo Ring protocol to optimize communication redundancy and achieve a faster recovery time on the network The Turbo Ring and Turbo Ring V2 protocols designate one switch as the master of the network and then automatically block
55. e swap fast recovery Configuration through web browser Telnet serial console Windows utility and ABC 01 1 2 2 Getting Started This chapter explains how the initial installation process for the PT 7528 There are three ways to access PT 7528 s configuration settings the serial console Telnet console and web console If you do not know the PT 7528 s IP address you can open the serial console by connecting the PT 7528 to a PC s COM port with a short serial cable You can open the Telnet or web console over an Ethernet LAN or over the Internet The following topics are covered in this chapter O O O O Serial Console Configuration 115200 None 8 1 VT100 Configuration by Telnet Console Configuration by Web Browser Disabling Telnet and Browser Access PT 7528 Getting Started Serial Console Configuration 115200 None 8 1 VT100 NOTE e You cannot connect to the serial and Telnet console at the same time e You can connect to the web console and another console serial or Telnet at the same time However it is strongly recommended that you do NOT do so Following this advice will allow you to maintain better control over the PT 7528 s configuration NOTE We recommend using PComm Terminal Emulator when opening the serial console This software can be downloaded free of charge from the Moxa website Before running PComm Terminal Emulator use an RJ45 to DB9 F or RJ45 to DB25 F cable to connect the PT 7528 s
56. ecurity certificate date is valid is The security certificate has a valid name matching the name of the page vou are trying to wiew Do you want to proceed View Certificate NOTE Moxa provides a Root CA certificate After installing this certificate into your PC or Notebook you can access the web browser interface directly and will not see any warning messages again You may download the certificate from the PT 7528 s CD ROM 3 72 A MIB Groups The PT 7528 comes with built in SNMP Simple Network Management Protocol agent software that supports cold warm start trap line up down trap and RFC 1213 MIB II The standard MIB groups that the PT 7528 supports are as follows MIB II 1 System Group sysORTable MIB 11 2 Interfaces Group ifTable MIB II 4 IP Group ipAddrTable ipNetToMediaTable IpGroup IpBasicStatsGroup IpStatsGroup MIB II 5 ICMP Group IcmpGroup IcmpInputStatus IcmpOutputStats MIB 11 6 TCP Group tcpConnTable TcpGroup TcpStats MIB II 7 UDP Group udpTable UdpStats MIB II 10 Transmission Group dot3 dot3StatsTable MIB 11 11 SNMP Group SnmpBasicGroup SnmpInputStats SnmpOutputStats PT 7528 MIB II 17 dotidBridge Group dotidBase dotidBasePortTable dotidStp dotidStpPortTable dotidTp dotidTpFdbTable dotidTpPortTable dotidTpHCPortTable dotidTpPortOverflowTable pBridgeMIB dotidExtBase dotidPriority dotidGarp qBridgeMIB dotiqBase d
57. ed above The All Ports option shows three vertical bars for each port The height of the bar represents Packets s for the type of packet at the instant the bar is being viewed That is as time progresses the height of the bar moves up or down so that the user can view the change in the rate of packet transmission The blue colored bar shows Uni cast packets the red colored bar shows Multi cast packets and the orange colored bar shows Broad cast packets The graph is updated every few seconds allowing the user to analyze data transmission activity in real time Monitor Port 4 4 Total Packets Port 4 4 e Total Packets w Packetisec Port 4 4 Total Packets 45 36 142 204 426 568 Unicast Multicast Broadcast Sec Port Interface Line swap Link Speed MDX Traffic IP of connected device 4 4 16 Tx Enable On 100M F ull MODE 0 HA Using the MAC Address Table This section explains the information provided by PT 7528 s MAC address table All MAC Address List All v Page 1 1 v Index mac Type MAN Port Port 1 00 a0 0c c 1 05 36 ucast l 1 4 2 The MAC Address table can be configured to display the following PT 7528 MAC address groups Select this item to show all PT 7528 MAC addresses ALL Learned Select this item to show all PT 7528 Learned MAC addresses ALL Static Lock Select this item to show all PT 7528 Static Lock MAC addresses ALL Static Select this item to show all PT 7528 Static Static Lock Static Multicast MAC address
58. ed access to the PT 7528 Each IP address and netmask entry can be tailored for different situations e Grant access to one host with a specific IP address For example enter IP address 192 168 1 1 with netmask 255 255 255 255 to allow access to 192 168 1 1 only e Grant access to any host on a specific subnetwork For example enter IP address 192 168 1 0 with netmask 255 255 255 0 to allow access to all IPs on the subnet defined by this IP address subnet mask combination e Grant acces to all hosts Make sure the accessible IP list is not enabled Remove the checkmark from Enable the accessible IP list The following table shows additional configuration examples Hosts That Need Access ImputFormat Any host 192 168 1 120 192 168 1 1 to 192 168 1 254 192 168 1 1 to 192 168 1 126 192 168 1 0 255 255 255 128 192 168 1 129 to 192 168 1 254 192 168 1 128 255 255 255 128 192 168 0 1 to 192 168 255 254 192 168 0 0 255 255 0 0 3 4 PT 7528 Featured Functions Port Port settings are included to give the user control over port access port transmission speed flow control and port type MDI or MDDO Port Settings 1 1 M 100FX SC Multi 1 2 100FX SC Multi 13 E 100TX RJ45 Auto w Disable v Auto 1 4 M 100TX RJ45 Auto w Disable v Auto 1 5 M 100TX RJ45 Auto w Disable v Auto 1 6 Y 100TX RJ45 Auto Disable v Auto 41 Y 1000TX RJ45 Auto vw Disable v Auto 42 y 1000TX RJ45 Auto w Disable Y Auto 43
59. elay Warning The Auto Relay Warning function uses relay output to alert the user when certain user configured events take place There are two basic steps required to set up the Relay Warning function 1 Configuring Relay Event Types Select the desired Event types from the Console or Web Browser Event type page a description of each event type is given later in the Relay Alarm Events setting subsection 2 Activate your settings After completing the configuration procedure you will need to activate your PT 7528 s Relay Event Types Event Setup Relay Warning Events Settings System Events _ Override Relay 1 Warning Settings Power Input 1 failure On gt Off Disable x Power Input 2 failure On gt 0ff Disable Y Turbo Ring Break Disable Port Events Trafiic Overload Traffic Threshold Traffic Duration s 1 1 Ignore Y Disable v _ EE 1 2 Ignore Disable v i O o o 1 3 Ignore Disable v HT i OG 1 4 lgnore v Disable v HO o Zl 1 5 Ignore Disable v HI Ri 1 6 Ignore Disable v i Ro 4 1 Ignore Y Disable v HI RT 4 2 Ignore Disable vw EE Ho 3 Event Types can be divided into two basic groups System Events and Port Events System Events are related to the overall function of the switch whereas Port Events are related to the activity of a specific port The PT 7528 supports two relay outputs You can configure which relay output is related to which events This helps administrators identify the impor
60. en calculate the right most part of Eq 4 to get the upper limit for Max Age Step 3 Assign a value to Forwarding Delay that satisfies the conditions in Eq 3 and Eq 4 Using Traffic Prioritization The PT 7528 s traffic prioritization capability provides Quality of Service QoS to your network by making data delivery more reliable You can prioritize traffic on your network to ensure that high priority data is transmitted with minimum delay Traffic can be controlled by a set of rules to obtain the required Quality of Service for your network The rules define different types of traffic and specify how each type should be treated as it passes through the switch The PT 7528 can inspect both IEEE 802 1p 1Q layer 2 CoS tags and even layer 3 TOS information to provide consistent classification of the entire network The PT 7528 s QoS capability improves the performance and determinism of industrial networks for mission critical applications The Traffic Prioritization Concept What ts Traffic Prioritization Traffic prioritization allows you to prioritize data so that time sensitive and system critical data can be transferred smoothly and with minimal delay over a network The benefits of using traffic prioritization are e Improve network performance by controlling a wide variety of traffic and managing congestion e Assign priorities to different categories of traffic For example set higher priorities for time critical or business critic
61. es ALL Static Multicast Select this item to show all PT 7528 Static Multicast MAC addresses Select this item to show all MAC addresses of dedicated ports The table will display the following information This field shows the MAC address This field shows the type of this MAC address This field shows the port that this MAC address belongs to 3 69 PT 7528 Featured Functions Using System Log Event Log Event Log Table Page 2 2 v Index Bootup Date frime System Startup Time Event 16 49 0d0h0m21s Port 4 2 link on 17 49 0d0h11m52s Port 4 2 link off 18 49 0d0h14m14s Port 4 2 link on 19 49 0d0h14m44s Port 4 2 link off 20 49 0d0h14m46s Port 4 2 link on 21 49 0d0h19m46s 192 168 127 238 admin Auth ok 22 49 0d0h32m34s 192 168 127 238 admin Auth ok 23 49 0d0h51m16s Port 4 2 link off 24 49 0d14h58m47s Port 4 2 link on 25 49 0d14h59m17s Port 4 2 link off 26 49 0d14h59m19s Port 4 2 link on 27 49 0d15h7m35s 192 168 127 238 admin Auth ok This field shows how many times the PT 7528 has been rebooted or cold started The date is updated based on how the current date is set in the Basic Setting page The time is updated based on how the current time is set in the Basic Setting page System Startup The system startup time related to this event Time Events Events that have occurred NOTE The following events will be recorded into PT 7528 s
62. es a multi ring architecture Turbo Chain can be used to create flexible and scalable topologies with a fast media recovery time Setting up Turbo Chain Head Port Y Tail Port Me LEI x Tail MembeRPort Member Member Member Blocked Port 1 Select the Head Switch Tail Switch and Member Switches 2 Configure one port as the Head port and one port as the Member port in the Head switch configure one port as the Tail port and one port as the Member port in the Tail switch and configure two ports as Member ports in each of the Member switches 3 Connect the Head switch Tail switch and Member switches as shown in the diagram 3 28 PT 7528 Featured Functions The path connected to the Head port is the main path and the path connected to the Tail port is the backup path of the Turbo Chain Normally packets are transmitted through the Head Port to the LAN Network If any Turbo Chain path is disconnected the Tail Port will be activated to continue packet transmissions Configuring Turbo Chain Head Switch Configuration Communication Redundancy Current Status Now Active None Settings Redundancy Protocol Turbo Chain v Role Head wi Head Port 1 1 Y ae Member Port 1 2 v ee Member Switch Configuration Communication Redundancy Current Status Now Active None Settings Redundancy Protocol Turbo Chain Role Member i 1st Member Port 1 1 v CE 2nd Member Port 4 2 j T
63. es are delayed until no more high priority data nePT to be sent This method always gives precedence to high priority over low priority Configuring Traffic Prioritization Quality of Service QoS provides a traffic prioritization capability to ensure that important data is delivered consistently and predictably The PT 7528 can inspect IEEE 802 1p 1Q layer 2 CoS tags and even layer 3 TOS information to provide a consistent classification of the entire network The PT 7528 QoS capability improves your industrial network s performance and determinism for mission critical applications QoS Classification QoS Classification Queuing Mechanism Weight Fair 8 4 2 1 v Port Group Group1 1 1 1 2 1 3 1 4 1 5 1 6 v Group4 4 1 Y Group5 4 2 V Default Port Priority 1 1 Y 3 Normal 1 2 Y 3 Normal 1 3 Y 3 Normal 1 4 Y 3 Normal 1 5 Y 3 Normal 1 6 v 3 Normal 3 The PT 7528 supports inspection of layer 3 TOS and or layer 2 CoS tag information to determine how to classify traffic packets 3 39 PT 7528 Featured Functions Queuing Mechanism Weight Fair PT 7528 has 4 priority queues In the weight fair scheme an 8 Weight Fair 4 2 1 weighting is applied to the four priorities This approach prevents the lower priority frames from being starved of opportunity for transmission with only a slight delay to the higher priority frames Strict In the Strict priority scheme all top prio
64. eturn to normal operation extremely quickly after devices are unplugged and then re plugged into different ports The recovery time is on the order of a few milliseconds compare this with standard commercial switches for which the recovery time could be on the order of several minutes To disable the Line Swap Fast Recovery function or to re enable the function after it has already been disabled access either the Console utility s Line Swap recovery page or the Web Browser interface s Line Swap fast recovery page as shown below Configuring Line Swap Fast Recovery Line Swap Fast Recovery Enable All Ports Enable Line Swap Fast Recovery Enable Disable Check mark the check box to enable the Enable Line Swap Fast Recovery function Using Set Device IP To reduce the effort required to set up IP addresses the PT 7528 comes equipped with DHCP BootP server and RARP protocol to set up IP addresses of Ethernet enabled devices automatically When enabled the Set device IP function allows PT 7528 to assign specific IP addresses automatically to connected devices that are equipped with DHCP Client or RARP protocol In effect PT 7528 acts as a DHCP server by assigning a connected device with a specific IP address stored in its internal memory Each time the connected device is switched on or rebooted PT 7528 sends the device the desired IP address Take the following steps to use the Set device IP function 3 62 PT 7528 Featured F
65. formation from an NTP server or user specified time and date Functions such as automatic warning emails can therefore include time and date stamp The PT 7528 has a built in real time clock Users do not need to update the Current Time and Current Date to set the initial time for the PT 7528 after each reboot This is especially useful when the network does not have an Internet connection to an NTP server or there is no NTP server on the LAN Current Time User specified time This allows configuration of the local time in local 24 hour 00h 00m 00s format Current Date User specified date This allows configuration of the local date in yyyy mm dd 1970 01 01 format 3 8 gt Featured Functions Daylight Saving Time The Daylight Saving Time settings are used to automatically offset the PT 7528 s time forward according to national standards Start Date User specified date This specifies the date that Daylight Savings Time begins End Date Setting Description Factory Default User specified date This specifies the date that Daylight Savings Time ends User specified hour This specifies the number of hours that the time should be None offset forward during Daylight Savings Time System Up Time This indicates how long the PT 7528 remained up since the last cold start The up time is indicated in seconds Time Zone Time zone This specifies the time zone which is used to determine the GMT Greenwich local t
66. g IGMP works as follows 1 The IP router or querier periodically sends query packets to all end stations on the LANs or VLANs that are connected to it For networks with more than one IP router the router with the lowest IP address is the querier A switch with IP address lower than the IP address of any other IGMP queriers connected to the LAN or VLAN can become the IGMP querier 2 When an IP host receives a query packet it sends a report packet back that identifies the multicast group that the end station would like to join 3 When the report packet arrives at a port on a switch with IGMP Snooping enabled the switch knows that the port should forward traffic for the multicast group and then proceeds to forward the packet to the router 4 When the router receives the report packet it registers that the LAN or VLAN requires traffic for the multicast groups 5 When the router forwards traffic for the multicast group to the LAN or VLAN the switches only forward the traffic to ports that received a report packet GMRP GARP Multicast Registration Protocol The PT 7528 supports IEEE 802 1D 1998 GMRP GARP Multicast Registration Protocol which differs from IGMP Internet Group Management Protocol GMRP is a MAC based multicast management protocol whereas IGMP is IP based GMRP provides a mechanism that allows bridges and end stations to register or de register Group membership information dynamically GMRP functions similarly to GVRP
67. g Enable Enable Disable Click the checkbox to enable the IGMP Snooping function Disabled globally IGMP Snooping Enhanced Mode Enable IGMP Multicast packets will be forwarded to Enable Auto Learned Multicast Querier Ports Member Ports Disable IGMP Multicast packets will be forwarded to Auto Learned Multicast Querier Ports Static Multicast Querier Ports Querier Connected Ports Member Ports Query Interval Setting Description Factory Default Numerical value input This sets the query interval of the Querier function globally 125 seconds by user Valid settings are from 20 to 600 seconds IGMP Snooping Enable Disable This enables or disables the IGMP Snooping function per VLAN Enabled if IGMP Snooping Enabled Globally 3 50 PT 7528 Featured Functions Querier Enable Disable This enables or disables the PT 7528 s guerier function Enabled if IGMP Snooping is Enabled Globally Static Multicast Router Port Select Deselect This selects the ports that will connect to the multicast routers Disabled It is active only when IGMP Snooping is enabled NOTE At least one switch must be designated the Querier or enable IGMP snooping and GMRP when enabling Turbo Ring and IGMP snooping simultaneously IGMP Table The PT 7528 displays the current active IGMP groups that were detected Current Active IGMP Groups Auto Learned Static Querier Act Active IGMP Groups VID Multicast Multicast Connected
68. ging to the same group 3 48 PT 7528 Featured Functions Multicast Filtering and Moxa PowerTrans Switch NOTE The PT 7528 has three ways to achieve multicast filtering IGMP Internet Group Management Protocol Snooping GMRP GARP Multicast Registration Protocol and adding a static multicast MAC manually to filter multicast traffic automatically IGMP Internet Group Management Protocol Snooping Mode Snooping Mode allows your switch to forward multicast packets only to the appropriate ports The switch snoops on exchanges between hosts and an IGMP device such as a router to find those ports that want to join a multicast group and then configures its filters accordingly Query Mode Query mode allows the PT 7528 to work as the Querier if it has the lowest IP address on the subnetwork to which it belongs IGMP querying is enabled by default on the PT 7528 to help prevent interoperability issues with some multicast routers that may not follow the lowest IP address election method Enable query mode to run multicast sessions on a network that does not contain IGMP routers or queriers PT 7528 is compatible with any device that conforms to the IGMP v2 and IGMP v3 device protocol IGMP Multicast Filtering IGMP is used by IP supporting network devices to register hosts with multicast groups It can be used on all LANs and VLANs that contain a multicast capable IP router and on other network devices that support multicast filterin
69. he connection will be 1600 Mbps In PT 7528 the maximum bandwidth for gigabit trunking ports is up to 4Gbps Max 4 Giga ports x 1000 Mbps Most importantly please note that Giga ports can not trunk with 100Mbps ports The Port Trunking Concept Moxa has developed a proprietary port trunking protocol that provides the following benefits e More flexibility in setting up your network connections since the bandwidth of a link can be doubled tripled or quadrupled e Redundancy if one link is broken the remaining trunked ports share the traffic within this trunk group e Load sharing MAC client traffic may be distributed across multiple links To avoid broadcast storms or loops in your network while configuring a trunk first disable or disconnect all ports that you want to add to the trunk or remove from the trunk After you finish configuring the trunk enable or re connect the ports If all ports on both switch units are configured as 100BaseTX and they are operating in full duplex mode the potential bandwidth of the connection will be up to 1 6 Gbps This means that users can double triple or quadruple the bandwidth of the connection by port trunking between two PT series switches Each PT 7528 can set a maximum of 4 port trunking groups When you activate port trunking certain settings on each port will be reset to factory default values or disabled e Communication redundancy will be reset e 802 1Q VLAN will be reset
70. ilable 802 1Q VLANs This will ensure connectivity at all times For example the connections between Switches A and B and between Switches A and C should be 802 1Q tagged and carrying VLANs 1 and 2 to ensure connectivity See the Configuring Virtual LANs section for more information about VLAN Tagging Configuring STP RSTP The following figures indicate which Spanning Tree Protocol parameters can be configured A more detailed explanation of each parameter is given below the figure Communication Redundancy Current Status Root Not root Settings Redundancy Protocol RSTP IEEE 802 1W 1D Bridge Priority 32768 v Hello Time 2 Forwarding Delay 15 Max Age 20 4 1 O 128 a 42 OO 128 ooo 4 3 O 128 4 4 O 12 1200000 hd At the top of this page the user can check the Current Status of this function For RSTP you will see Now Active This field shows which communication protocol is being used Turbo Ring RSTP or neither 3 35 gt Featured Functions Root Not Root This field appears only for RSTP mode It indicates whether or not this PT 7528 is the Root of the Spanning Tree the root is determined automatically At the bottom of this page the user can configure the Settings for the selected protocol For RSTP you can configure Protocol of Redundancy Turbo Ring This selects the Turbo Ring protocol None RSTP IEEE This selects the RSTP protocol None 802 1W 1D Bridge Priority Numerical value
71. ime offset from GMT Greenwich Mean Time Mean Time NOTE Changing the time zone will automatically correct the current time Make sure to set the time zone before setting the time Time Server IP Name 1st Time Server This is the IP or domain address e g 192 168 1 1 None IP Name time stdtime gov tw or time nist gov 2nd Time Server The PT 7528 will try to locate the secondary NTP server if the IP Name first NTP server fails to connect Time Server Query Period Query period This parameter determines how frequently the time is updated 600 seconds from the NTP server Enable NTP SNTP Server Enable Disable This enables or disables NTP or SNTP server PT 7528 Featured Functions Configuring IEEE 1588 PTP Time synchronization may be accomplished using the IEEE Standard for a Precision Clock Synchronization Protocol for Networked Measurement and Control Systems IEEE 1588 2008 to synchronize real time clocks incorporated within each component of the electrical power device in power automation applications For IEC 61850 9 operations digital CTs and PTs provide measured values of current and voltage through MUs to bay level IEDs with the process bus In any given system there may be a great number of MUs operating at once These different streams of sampled values must be accurately time synchronized before they can be used SNTP is able to provide synchronization accuracy within about 1 ms However this is not precis
72. in which VLAN To communicate between VLANs a router must be used The PT 7528 supports two types of VLAN port settings e Access Port The port connects to a single device that is not tagged The user must define the default port PVID that assigns which VLAN the device belongs to Once the ingress packet of this Access Port egresses to another Trunk Port the port nePT all packets to carry tag information PT 7528 will insert this PVID into this packet to help the next 802 1Q VLAN switch recognize it e Trunk Port The port connects to a LAN that consists of untagged devices tagged devices and or switches and hubs In general the traffic of the Trunk Port must have a Tag Users can also assign PVID to a Trunk Port The untagged packet on the Trunk Port will be assigned the port default PVID as its VID The following section illustrates how to use these ports to set up different applications Sample Applications of VLANs using PT 7528 Device ern o gt VLAN 4 Untagged Device VLAN 5 Ustazgud Device PD4 oe Y _ Switch A Switch B al 3 Device H 7 a F i T k a la i i add ag i E 7 k de oll HI LEL ji VLAN 3 Untegged Device Port 3 Trunk Port PVID 1 Port 2 Trunk Port PVID 2 Fined VLAN Tazzed 3 4 Port 6 Access Port PUID Port 4 Access Por PID 2 we Device G i Device F VLAN Uriszead Derice Device B o a VLAK 2 Untagged Device NN IT A i Device E Device D Ts fs pang Device C
73. ired This password will be required to access any of the consoles web serial Telnet If you do not wish to create a password leave the Password field blank and press Enter Model PT 526 Name Managed Redundant Switch 00000 Location Switch Location Firmware Version VO build 12042713 Serial No 0000ga IP 192 166 127 250 MAC Address 00 90 E 75240 33 Account Password 2 5 PT 7528 Getting Started 4 The Main Menu of the PT 7528 s Telnet console should appear PT 7528 series V0 9 build 12042713 l Basic Settings Basic settings for network and system parameter 2 Port Trunking Allows multiple ports to be aggregated as a link 3 SNMP Settings The settings for SNMP 4 Comm Redundancy Establish Ethernet communication redundant path 5 Traffic Prioritizatlon Prioritize Ethernet traffic to help determinism 6 Virtual LAN Set up a VLAN by IEEE80 2 10 VLAN or Port based VLAN 7 Multicast Filtering Enable the multicast filtering capability 5 Bandwidth Management Restrict unpredictable network traffic Ad Port Access Control Port access control by TEEESO2 1X or Static Bort Lock a Auto Warning Warning email and or relay output by events b Line Swap Fast recovery after moving devices to different ports c Set Device IB Assign IP addresses to connected devices d Diagnosis Ping command and the settings for Mirror port LLDB
74. ited 4 3 Not Limited 4 4 Not Limited Ingress Ingress rate Select the ingress rate for all packets from the following options not limited 3 5 10 15 25 35 50 65 85 3 53 PT 7528 Featured Functions Using Port Access Control The PT 7528 provides two kinds of Port Base Access Control One is Static Port Lock and the other is IEEE 802 1X Static Port Lock The PT 7528 can also be configured to protect static MAC addresses for a specific port With the Port Lock function these locked ports will not learn any additional addresses but only allow traffic from preset static MAC addresses helping to block hackers and careless usage IEEE 802 1X The IEEE 802 1X standard defines a protocol for client server based access control and authentication The protocol restricts unauthorized clients from connecting to a LAN through ports that are open to the Internet and which otherwise would be readily accessible The purpose of the authentication server is to check each client that requests access to the port The client is only allowed access to the port if the client s permission is authenticated The IEEE 802 1X Concept Three components are used to create an authentication mechanism based on 802 1X standards Client Supplicant Authentication Server and Authenticator Supplicant The end station that requests access to the LAN and switch services and responds to the requests from the switch Authentic
75. l Activate MAC Address Add the static unicast MAC address into the address table Fix the static address with a dedicated port Configuring IEEE 802 1X 802 1X Settings Database Option Local v Re Auth Enable Radius Server Re Auth Period 3600 Server Port Shared Key 1 1 O Enable gt 1 2 C Enable 1 3 O Enable 1 4 Cl Enable 1 5 Ol Enable 1 6 C Enable 4 1 Cl Enable 4 2 Cl Enable 3 Database Option Local elect this option when setting the Local User Database as the Local Max 32 users authentication database Radius Select this option to set an external RADIUS server as the Local authentication database The authentication mechanism is EAP MD5 Radius Local Select this option to make using an external RADIUS server as Local the authentication database the second priority The authentication mechanism is EAP MD5 The first priority is to set the Local User Database as the authentication database Radius Server IP address or domain The IP address or domain name of the RADIUS server local host name Server Port The UDP port of the RADIUS server 1812 3 55 PT 7528 Featured Functions Shared Key alphanumeric Max 40 A key to be shared between the external RADIUS server and None characters PT 7528 Both ends must be configured to use the same key Re Auth Enable Disable Select to require re authentication of the client after a preset Disable time period of no activity has e
76. l Mail Server IP Name IP address The IP Address of your email server None Account Name Password Setting Disable Enable to To reset the password from the Web Browser interface click Disable change password the Change password check box type the Old password type the New password retype the New password and then click Activate Max 45 characters Old password Type the current password when changing the password New password Type new password when enabled to change password Max 45 characters Retype password If you type a new password in the Password field you will be None required to retype the password in the Retype new password field before updating the new password Email Address Max 30 characters You can set up to 4 email addresses to receive alarm emails None from PT 7528 Send Test Email After finishing with the email settings you should first click Activate to activate those settings and then press the Send Test Email button to verify that the settings are correct Auto warning e mail messages will be sent through an authentication protected SMTP server that supports the CRAM MD5 LOGIN and PAIN methods of SASL Simple Authentication and Security Layer authentication mechanism We strongly recommend not entering your Account Name and Account Password if auto warning e mail messages can be delivered without using an authentication mechanism 3 60 PT 7528 Featured Functions Configuring R
77. lapsed Re Auth Period Numerical Specify how frequently the end stations need to reenter 3600 60 to 65535 sec usernames and passwords in order to stay connected 802 1X Enable Disable Click the checkbox under the 802 1X column to enable IEEE Disable 802 1X for one or more ports All end stations must enter usernames and passwords before access to these ports is allowed 802 1X Re Authentication The PT 7528 can force connected devices to be re authorized manually 802 1X Re Authentication 4 1 E Re Authenticate 4 2 Cl Re Authenticate 802 1X Re Authentication Setting Description Factory Default Enable Disable This enables or disables 802 1X Re Authentication 3 56 PT 7528 Featured Functions Local User Database Setup When setting the Local User Database as the authentication database set the database first Local User Database Setup Current Local Database User Name Password Description Add New User User Name Password Description Local User Database Setup User Name User Name for Local User Database None Max 30 characters Password Password for Local User Database None Max 16 characters Description Description for Local User Database None E O EA NOTE The user name for the Local User Database is case insensitive Port Access Control Table Port Access Control Table ETE M2C Address Remove Select The port status will show authorized or unauthorized 3 5
78. n 802 1w 2001 10 Mbps 100 2 000 000 STP Calculation The first step of the STP process is to perform calculations During this stage each bridge on the network transmits BPDUs The following items will then be calculated e The bridge that will act as the Root Bridge The Root Bridge is the central reference point from which the network is configured e The Root Path Costs for each bridge This is the cost of the paths from each bridge to the Root Bridge e The identity of each bridge s Root Port The Root Port is the port on the bridge that connects to the Root Bridge via the most efficient path In other words this port connects to the Root Bridge via the path with the lowest Root Path Cost The Root Bridge itself does not have a Root Port e The identity of the Designated Bridge for each LAN segment The Designated Bridge is the bridge with the lowest Root Path Cost from that segment If several bridges have the same Root Path Cost the one with the lowest Bridge Identifier becomes the Designated Bridge Traffic transmitted in the direction of the Root Bridge will flow through the Designated Bridge The port on this bridge that connects to the segment is called the Designated Bridge Port STP Configuration After all the bridges on the network agree on the identity of the Root Bridge and all relevant parameters have been established each bridge is configured to forward traffic only between its Root Port and the Designated Bridge Ports f
79. n the Activate button e When using the Console utility activate by first highlighting the Activate menu option and then press Enter You should receive the Mirror port settings are now active Press any key to continue message 3 66 PT 7528 Featured Functions Ping Use Ping Command to test Network Integrity IP address Name The Ping function uses the ping command to give users a simple but powerful tool for troubleshooting network problems The function s most unique feature is that even though the ping command is entered from the user s PC keyboard the actual ping command originates from PT 7528 itself In this way the user can essentially sit on top of PT 7528 and send ping commands out through its ports To use the Ping function type in the desired IP address and then press Enter from the Console utility or click Ping when using the Web Browser interface LLDP The LLDP function is defined by IEEE 802 11AB and is an OSI Layer 2 protocol that standardizes the methodology of self identity advertisement It allows each networking device such as a Moxa managed switch to periodically inform its neighbors about its self information and configurations As a result all such devices will have information about their neighbors and by using SNMP this knowledge can be transferred to Moxa s MXview for auto topology and network visualization purposes LLDP Settings General Settings LDP Enable Message Transmit Interval 3 0 5
80. ng two possible links The various STP factors such as Cost Root Port Designated Bridge Port and Blocked Port are shown in the figure LAN Segment 1 Port 1 Port 1 Port 1 Designated Root Port Root Port Bridge Port Cost 100 Cost 100 Bridge A Bridge B Bridge X Port 2 Port 2 Port 2 Root Bridge Designated Bridge Port Blocked Port LAN Segment 2 Port 1 Port 1 Root Port Root Port Cost 100 Bridge C Bridge Port 2 Port 2 Designated Blocked Port Bridge Port LAN Segment 3 e Bridge A has been selected as the Root Bridge since it was determined to have the lowest Bridge Identifier on the network e Since Bridge A is the Root Bridge it is also the Designated Bridge for LAN segment 1 Port 1 on Bridge A is selected as the Designated Bridge Port for LAN Segment 1 e Ports 1 of Bridges B C X and Y are all Root Ports sine they are nearest to the Root Bridge and therefore have the most efficient path e Bridges B and X offer the same Root Path Cost for LAN segment 2 However Bridge B was selected as the Designated Bridge for that segment since it has a lower Bridge Identifier Port 2 on Bridge B is selected as the Designated Bridge Port for LAN Segment 2 e Bridge C is the Designated Bridge for LAN segment 3 because it has the lowest Root Path Cost for LAN Segment 3 gt The route through Bridges C and B costs 200 C to B 100 B to A 100 gt The route through Bridges Y and B c
81. nnected to the same port on the access switch and are uniquely identified The Option 82 information contains 2 sub options Circuit ID and Remote ID which define the relationship between End Device IP and the DHCP option 82 server The Circuit ID is a 4 bytes number generated by Ethernet switch by the combination of physical port number and VLAN ID The format of the Circuit ID is as described below FF VV VV PP Where the first byte FF is fixed to 01 the second and the third byte VV VV is formed by the port VLAN ID in hex and the last byte PP is formed by the port number in hex For example 01 00 0F 03 is the Circuit ID of port number 3 with port VLAN ID 15 The Remote ID is to identify the relay agent itself It can be one of the following types The IP address of the relay agent The MAC address of the relay agent The combination of IP address and MAC address of the relay agent PM MH A user defined string DHCP Relay Agent Server IP Address 1st Server 2nd Server 3rd Server 4th Server DHCP Option 82 Enable Option 82 Type Value Display DHCP Function Table Port 1 01000101 Enable 2 01000102 Enable 3 01000103 Enable l 4 01000104 Enable 5 01000105 Enable 6 01000106 Enable 7 01000107 Enable y Server 1P Address 1st Server IP address for the ist Assigns the IP address of the ist DHCP server that the switch None DHCP server tries to access 3 64 PT
82. ocol Turbo Ring se L Set as Master Redundant Ports 1st Port 1 1 w 2nd Port 1 2 p L Enable Ring Coupling Coupling Port 1 3 v Coupling Control Port 1 4 w Current Status Items Now Active This shows which communication protocol is in use Turbo Ring Turbo Ring V2 Turbo Chain RSTP or none Master Slave This indicates whether or not the PT 7528 is the master of the Turbo Ring This field appears only for Turbo Ring or Turbo Ring V2 NOTE The user does not need to assign the master to use Turbo Ring or Turbo Ring V2 If no master is assigned the Turbo Ring protocol will automatically assign master status to one of the PT series Ethernet switches in the ring The master is only used to determine which segment serves as the backup path Redundant Ports Status 1st Port 2nd Port Ring Coupling Ports Status Coupling Port Coupling Control Port The Ports Status indicators show Forwarding for normal transmission Blocking if the port is part of a backup path that is currently blocked and Link down if there is no connection 3 24 PT 7528 Featured Functions Settings Items Redundancy Protocol Setting Description Factory Default Turbo Ring This selects the Turbo Ring protocol None Turbo Ring V2 This selects the Turbo Ring V2 protocol Turbo Chain Selects the Turbo Chain protocol RSTP IEEE This selects the RSTP protocol 802 a i None This disables ring This disables ring redundancy
83. one Turbo Ring V2 This selects the Turbo Ring V2 protocol Turbo Chain Selects the Turbo Chain protocol RSTP IEEE This selects the RSTP protocol 802 1w 1D This disables ring redundancy Enable Ring 1 EE E IE AE Enable Ring 2 Enabled This enables Ring 2 Not checked Disabled This disables Ring 2 Both Ring 1 and Ring 2 must be enabled when using the dual ring architecture Set as Master Enabled The PT 7528 is manually selected as the master Not checked Disabled The Turbo Ring or Turbo Ring V2 protocol will automatically select the master Redundant Ports 1st Port This specifies which port on the Ring 1 PT 7528 will be used as the first Port 1 1 without Gigabit Ethernet module redundant port Port 1 1 with Gigabit Ethernet module Ring 2 Port 1 3 without Gigabit Ethernet module Port 4 1 with Gigabit Ethernet module 2nd Port This specifies which port on the Ring 1 PT 7528 will be used as the second Port 1 2 without Gigabit Ethernet module redundant port Port 1 2 with Gigabit Ethernet module Ring 2 Port 1 4 without Gigabit Ethernet module Port 4 2 with Gigabit Ethernet module Enable Ring Coupling Factory Default This specifies that this PT 7528 will be a ring coupler Not checked This specifies that this PT 7528 is not a ring coupler 3 27 PT 7528 Featured Functions Coupling Mode Dual Homing This enables dual homing through the Primary Port PT 7528
84. ontrol of this port is enabled or disabled Up This is used to add selected ports into the trunk group from N A available ports This is used to remove selected ports from the trunk group Speed This indicates the transmission speed for each port 100M Full N A 100M Half 10M Full or 10M Half 3 15 PT 7528 Featured Functions Trunk Table Trunk Group Member Pot Status O O O O O O O O O OO O O O O Trk1 da tk Static 1 2 Fail 1 3 Fail Trunk Table Setting Description o Trunk group Displays the trunk type and trunk group Member port Displays the member ports that belong to the trunk group Status Success means port trunking is working properly Fail means port trunking is not working properly Standby means port trunking is working as a standby port When there are more than eight ports trunked as a trunking group the 9th port will be the standby port Configuring SNMP The PT 7528 supports SNMP V1 V2c and V3 SNMP V1 and SNMP V2c use a community string match for authentication which means that SNMP servers access all objects with read only or read write permissions using the community strings public and private by default SNMP V3 requires that you select an authentication level of MD5 or SHA and is the most secure protocol You can also enable data encryption to enhance data security Supported SNMP security modes and levels are shown in the following table Select the security mode and level that will
85. or their respective network segments All other ports are blocked which means that they will not be allowed to receive or forward traffic STP Reconfiguration Once the network topology has stabilized each bridge listens for Hello BPDUs that are transmitted from the Root Bridge at regular intervals If a bridge does not receive a Hello BPDU after a certain interval the Max Age time the bridge assumes that the Root Bridge or a link between itself and the Root Bridge has gone down This will trigger the bridge to reconfigure the network to account for the change If you have configured an SNMP trap destination the first bridge to detect a topology change in your network sends out an SNMP trap Differences between RSTP and STP RSTP is similar to STP but includes additional information in the BPDUs that allow each bridge to confirm that it has taken action to prevent loops from forming when it decides to enable a link to a neighboring bridge Adjacent bridges connected via point to point links will be able to enable a link without waiting to ensure that all other bridges in the network have had time to react to the change The main benefit of RSTP is that the configuration decision is made locally rather than network wide allowing RSTP can carry out automatic configuration and restore a link faster than STP 309 PT 7528 Featured Functions STP Example The LAN shown below has three segments with adjacent segments connected usi
86. ork is set up correctly a multicast can only be sent to an end station or a subset of end stations on a LAN or VLAN that belong to the multicast group Multicast group members can be distributed across multiple subnets so that multicast transmissions can occur within a campus LAN or over a WAN In addition networks that support IP multicast send only one copy of the desired information across the network until the delivery path that reaches group members diverges To make more efficient use of network bandwidth it is only at these points that multicast packets are duplicated and forwarded A multicast packet has a multicast group address in the destination address field of the packet s IP header Benefits of Multicast The benefits of using IP multicast are that it e Uses the most efficient sensible method to deliver the same information to many receivers with only one transmission e Reduces the load on the source for example a server since it will not need to produce several copies of the Same data e Makes efficient use of network bandwidth and scales well as the number of multicast group members increases e Works with other IP protocols and services such as Quality of Service QoS Multicast transmission makes more sense and is more efficient than unicast transmission for some applications For example multicasts are often used for video conferencing since high volumes of traffic must be sent to several end stations at the same
87. ork traffic ga Line Swap Fast Recovery i i Auto Warning Send email warning automatically Set Device IP E Line Swap Fast Recovery Fast recovery after moving devices to different ports 4 Diagnosis q HE Monit Set Device IP Assign IP addresses to connected devices Monitor Diagnosis The Settings for Mirror port LLDP and use Ping command to test network integrity ua MAC Address Table i A Monitor Monitor port and network status 11 System Log E MAC Address Table The complete list of Ethernet MAC Addresses Industrial Protocol i a System log The settings for Syslog and Event log goahead WEBSERVER Best viewed with IE 5 above at resolution 1024 x 768 Industrial Protocol The settings for Ethernet IP and Modbus Disabling Telnet and Browser Access If you are connecting the PT 7528 to a public network but do not intend to manage it over the network we suggest disabling both the Telnet and web consoles This is done through the serial console by navigating to System Identification under Basic Settings Disable or enable the Telnet Console and Web Configuration as shown below MOXA EtherDevice Switch ET 7L28 Basic Settings Syetem Identification ENERO Password Accessible IP Port Network Time GARP Timer Backup Media Restart Factory default Upgrade Login mode Activate Main menu ESC Previous menu Toggle Switch Name Manage
88. ost Numerical value input This specifies the port cost Higher costs correspond to lower 200000 by user Suitability as a node for the Spanning Tree topology 3 36 PT 7528 Featured Functions Port Status Indicates the current Spanning Tree status of this port Forwarding indicates normal transmission and Blocking indicates blocked transmission Configuration Limits of RSTP STP The Spanning Tree Algorithm places limits on three of the configuration items Eq 1 1 sec Hello Time lt 10 sec Eq 2 6 sec lt Max Age S 40 sec Eq 3 4 sec Forwarding Delay 30 sec These three variables are further restricted by the following two inequalities Eq 4 2 Hello Time 1 sec Max Age 2 Forwarding Delay 1 sec The PT 7528 s firmware will alert you immediately if any of these restrictions are violated For example suppose Hello Time 5 sec Max Age 20 sec and Forwarding Delay 4 sec This does not violate Eqs 1 through 3 but it violates Eq 4 2 Hello Time 1 sec 12 sec and 2 Forwarding Delay 1 sec 6 sec You can remedy the situation in any number of ways One solution is simply to increase the Forwarding Delay value to at least 11 seconds HINT Take the following steps to avoid guessing Step 1 Assign a value to Hello Time and then calculate the left most part of Eq 4 to get the lower limit of Max Age Step 2 Assign a value to Forwarding Delay and th
89. osts 300 Y to B 200 B to A 100 e The Designated Bridge Port for LAN Segment 3 is Port 2 on Bridge C 3 34 PT 7528 Featured Functions Using STP on a Network with Multiple VLANs IEEE Std 802 1D 1998 Edition does not take into account VLANs when calculating STP information the calculations only depend on the physical connections Consequently some network configurations will result in VLANs being subdivided into a number of isolated sections by the STP system You must ensure that every VLAN configuration on your network takes into account the expected STP topology and alternative topologies that may result from link failures The following figure shows an example of a network that contains VLANs 1 and 2 The VLANs are connected using the 802 1Q tagged link between Switch B and Switch C By default this link has a port cost of 100 and is automatically blocked because the other Switch to Switch connections have a port cost of 36 18 18 This means that both VLANs are now subdivided VLAN 1 on Switch units A and B cannot communicate with VLAN 1 on Switch C and VLAN 2 on Switch units A and C cannot communicate with VLAN 2 on Switch B 100BaseTX 100BaseTX full duplex Link full duplex Link only carries VLAN1 only carries VLAN2 path cost 18 path cost 18 802 1Q tagged 10BaseTx half duplex Link camies VLAN1 2 path cost 100 To avoid subdividing VLANs all inter switch connections should be made members of all ava
90. otiqTp dotiqFdbTable dotiqTpPortTable dotiqTpGroupTable dotiqForwardUnregisteredTable dotiqStatic dotiqStaticUnicastTable dotiqStaticMulticastTable dotiqVlan dotiqVlanCurrentTable dotiqVlanStaticTable dotiqPortVlanTable MIB Groups The PT 7528 also provides a private MIB file located in the file Moxa PT7728 MIB my on the PT 7528 utility CD ROM Public Traps e Cold Start e Link Up e Link Down e Authentication Failure e dotidBridge New Root e dotidBridge Topology Changed Private Traps e Configuration Changed e Power On e Power Off e Traffic Overloaded e Turbo Ring Topology Changed e Turbo Ring Coupling Port Changed e Turbo Ring Master Mismatch Specifications Technology Standards IEEE 802 3 for 10BaseT IEEE 802 3u for 100BaseT X and 100BaseFX IEEE 802 3ab for 1000BaseT X IEEE 802 3z for 1000BaseSX LX LHX ZX IEEE 802 3x for Flow Control IEEE 802 1D for Spanning Tree Protocol IEEE 802 1w for Rapid STP IEEE 802 1Q for VLAN Tagging IEEE 802 1p for Class of Service IEEE 802 1X for Authentication IEEE 802 3ad for Port Trunk with LACP Flow control IEEE 802 3x flow control back pressure flow control Protocols IGMP V1 V2 V3 device GMRP GVRP SNMP V1 V2c V3 DHCP Server Client DHCP Option 82 BootP TFTP SNTP SMTP RARP RMON MIB MIB II Ethernet like MIB P BRIDGE MIB Q BRIDGE MIB Bridge MIB RSTP MIB RMON MIB Group 1 2 3 9 Switch Properties Priority Que
91. our switch to treat selected applications and types of traffic by assigning various grades of network service to them e No extra tags are required in the packet e DSCP uses the IP header of a packet and therefore priority is preserved across the Internet e DSCP is backward compatible with IPV4 TOS which allows operation with existing devices that use a layer 3 TOS enabled prioritization scheme 3 38 gt Featured Functions Traffic Prioritization The PT 7528 classifies traffic based on layer 2 of the OSI 7 layer model and the switch prioritizes received traffic according to the priority information defined in the received packet Incoming traffic is classified based upon the IEEE 802 1D frame and is assigned to the appropriate priority queue based on the IEEE 802 1p service level value defined in that packet Service level markings values are defined in the IEEE 802 10 4 byte tag and consequently traffic will only contain 802 1p priority markings if the network is configured with VLANs and VLAN tagging The traffic flow through the switch is as follows e A packet received by the PT 7528 may or may not have an 802 1p tag associated with it If it does not then it is given a default 802 1p tag which is usually 0 Alternatively the packet may be marked with a new 802 1p value which will result in all knowledge of the old 802 1p tag being lost e Because the 802 1p priority levels are fixed to the traffic queues the packet will be pl
92. ow Ox2C 12 1 Low 0x30 13 1 Low 0x34 14 4 Low 0x38 15 1 Low Ox3C 16 1 Low m 0x40 17 2 Normal Ox44 18 2 Normal 0x48 19 2 Normal Y 0x4C 20 2 Normal w 0x50 21 2 Normal v 0x54 22 2 Normal vi 0x58 23 2 Normal Y 0x5C 24 2 Normal Y 0x60 25 3 Normal 0x64 26 3 Normal 0x68 27 Normal Y 0x6C 28 3 Normal 0x70 29 3 Normal J 0x74 30 3 Normal 0x78 31 3 Normal 0x7C 32 3 Normal 0x80 33 Medium d 0x84 34 4 Medium Y 0x88 35 4 Medium Ox8C 36 4 Medium 0x30 37 Medium Ox34 38 4 Medium vi 0x98 39 AlMedium 0x9C 40 4 Medium OxA0 41 Mediu si 0xA4 42 5 Medium 0xA8 43 5 Medium 0xAC 44 5 Medium 0xB0 45 5 Medium 0xB4 46 5 Medium 0xB8 47 5 Medium 0xBC 48 5 Medium 2 This maps different TOS values to 4 different egress queues 1 to 16 Low 17 to 32 Normal 33 to 48 Medium 49 to 64 High Low Normal Medium High Using Virtual LAN Setting up Virtual LANs VLANs on your PT 7528 increases the efficiency of your network by dividing the LAN into logical segments as opposed to physical segments In general VLANs are easier to manage The Virtual LAN VLAN Concept What is a VLAN A VLAN is a group of devices that can be located anywhere on a network but which communicate as if they are on the same physical segment With VLANs you can segment your network
93. part of the IEEE Std 802 1D 1998 Edition bridge specification The explanation given below uses bridge instead of switch What is STP STP 802 1D is a bridge based system that is used to implement parallel paths for network traffic STP uses a loop detection process to e Locate and then disable less efficient paths i e paths that have a lower bandwidth e Enable one of the less efficient paths if the most efficient path fails The figure below shows a network made up of three LANs separated by three bridges Each segment uses at most two paths to communicate with the other segments Since this configuration can give rise to loops the network will overload if STP is not enabled LAN 1 Bridge B If STP is enabled it will detect duplicate paths and prevent or block one of them from forwarding traffic In the following example STP determined that traffic from LAN segment 2 to LAN segment 1 should flow through Bridges C and A because this path has a greater bandwidth and is therefore more efficient 3 31 PT 7528 Featured Functions LAN 1 Bridge C LAN 3 What happens if a link failure is detected As shown in next figure the STP process reconfigures the network so that traffic from LAN segment 2 flows through Bridge B LAN 1 Bridge A STP will determine which path between each bridged segment is most efficient and then assign a specific reference point on the network When the most efficient path has
94. perature 40 to 85 C 40 to 185 F Ambient Relative Humidity 5 to 95 non condensing Warranty Warranty Period 5 years Details See www moxa com warranty B 2 C Modbus TCP Map Modbus Information Read Only Registers Support Function Code 4 1 Word 2Bytes System Information 0x0010 20 word Vendor Name Moxa Word O Hi byte M Word O Lo byte Word 1 Hi byte Word 1 Lo byte Word 2 Hi byte Word 2 Lo byte 0x0030 20 word Product Name PT 7528 Word O Hi byte P Word O Lo byte T Word 1 Hi byte Word 1 Lo byte 7 Word 2 Hi byte 7 Word 2 Lo byte 2 Word 3 Hi byte 8 Word 3 Lo byte M0 Word 4 Hi byte 0 Word 4 Lo byte M0 0x0050 Product Serial Number 0x0051 2 word Firmware Version Word O Hi byte major A Word O Lo byte minor B Word 1 Hi byte release C Word 1 Lo byte build D 0x0053 2 word Firmware Release Date Firmware was released on 2007 05 06 at 09 o clock Word O 0x0609 Word 1 0x0705 PT 7528 Address 0x0055 Data Type 3 word 0x0058 1 word 0x0059 1 word OXOOSA 1 word 0x0080 1 word 0x0081 1 word 0x0082 1 word 0x0083 1 word Modbus TCP Map Ethernet MAC Address Ex MAC 00 01 02 03 04 05 Word O Hi byte 0x00 Word O Lo byte 0x01 Word 1 Hi byte 0x02 Word 1 Lo byte 0x03 Word 2 Hi byte 0x04 Word 2 Lo byte 0x05 Power 1 0x0000 Off 0x0001 0n Power 2 0
95. port Contact Information Moxa Americas Toll free 1 888 669 2872 Tel 1 714 528 6777 Fax 1 714 528 6778 Moxa Europe Tel 49 89 3 70 03 99 0 Fax 49 89 3 70 03 99 99 Moxa India Tel 91 80 4172 9088 Fax 91 80 4132 1045 www moxa com su ort Moxa China Shanghai office Toll free 800 820 5036 Tel 86 21 5258 9955 Fax 86 21 5258 5505 Moxa Asia Pacific Tel 886 2 8919 1230 Fax 886 2 8919 1231 Table of Contents La TERUG dUELON EE ie Se EE A A We We GE Me Me be SS da 1 1 OS ON EE RE EE et et ee ee Ee oo ee EE EE DE NG N N IG N N GN GE GE GEE 12 RAcKad e CNE KIE Eaa AAN E E Eee actos 1 2 Software FOUR AAA A Cree CeCe ere re ee AAA sree tre 1 2 Ze a A EE EE Ed EE EE SE DE OE OR GE OR OE GE EE WE GER Ed De EG EER ER SE SEG ER GN ES EE SR GR GE REG Ge Ee OE Ee GE EE Ee GE 2 1 Serial Gonsole Configuration 415200 None 81 VETOO EE EE EE EE EG Ge Ge Ge Ge Ee GE GE GE We Ge Ge Ge Ge 2 2 COnTGULALION DY Teleton RE EE GE Ed OE EE A aa 2 5 CONTGUFALION DY WED BLOWS Re EE ER ER EE N Ee ee Ee EG Ee Ge 2 7 Disabling Telnet and BrowSermACcess EE EE DU GED EG sais 2 8 3 Featured FUNCION EE ea tabu ee ie ee Ee De ie De Ee be Ed ei ee Ge OE ED OE OE SE OS EE OE 3 1 CONAGUA O Basie Setting S N ened aint N WE EE N EN EE EE N ree 3 2 s vete Hdertifiea LON chat n EE DE erie S 3 2 PASS WON a tech aia RR IR N OR NR ON EE EE EE EE EE KERE EI 3 3 ACCES P E E are eee ae ae ede dae A ee 3 4 as RE EE ee ee EE rrr 3 5 A NA 3
96. ring architecture users must complete configuration for both Ring 1 and Ring 2 The status of both rings will appear under Current Status Current Status Items Now Active This shows which communication protocol is in use Turbo Ring Turbo Ring V2 Turbo Chain RSTP or none Ring 1 2 Status This shows Healthy if the ring is operating normally and shows Break if the ring s backup link is active Ring 1 2 Master Slave This indicates whether or not the PT 7528 is the master of the Turbo Ring This field appears only when selected to operate in Turbo Ring or Turbo Ring V2 mode NOTE The user does not need to assign the master to use Turbo Ring or Turbo Ring V2 If no master is assigned the Turbo Ring protocol will automatically assign master status to one of the PT series Ethernet switches in the ring The master is only used to determine which segment serves as the backup path Ring 1 2 1st Ring Port Status Ring 1 2 2nd Ring Port Status The Ports Status indicators show Forwarding for normal transmission Blocking if this port is connected to a backup path and the path is blocked and Link down if there is no connection Coupling Mode This indicates either None Dual Homing or Ring Coupling Coupling Coupling Port status This indicates either Primary or Backup 3 26 PT 7528 Featured Functions Settings Items Redundancy Protocol Factory Default Turbo Ring This selects the Turbo Ring protocol N
97. rity frames egress a port until that priority s queue is empty and then the next lower priority queue s frames egress This approach can cause the lower priorities to be starved of opportunity for transmitting any frames but ensures all high priority frames to egress the switch as soon as possible Inspect TOS Enable Disable This enables or disables the PT 7528 to inspect the Type of Enable Service TOS bits in IPV4 frame to determine the priority of each frame Inspect COS Enable Disable This enables or disables the PT 7528 to inspect the 802 1p COS Enable tag in the MAC frame to determine the priority of each frame CoS Mapping Mapping Table of CoS Value and Priority Queues Priority Queue Low v Low v Normal Normal Medium Medium High v High v Setting Description o o Faetery _ Low Normal This maps different CoS values to 4 different egress queues Low Medium High Low Normal Normal Medium Medium High High 0 1 2 3 A 5 6 7 3 40 PT 7528 TOS DiffServ Mapping Level Featured Functions Mapping Table of ToS DSCP Value and Priority Queues Level OX00 1 Oow Ox04 2 Oow 0x08 3 O Low 0x0C 4 O Lomw S 0x10 5 O Low Ox14 6 O Low 0x18 7 O Low Ox1C 8 O Low 0x20 9 Low 0x24 10 t Low Ox28 11 L
98. rk portion of a Global Unicast address can be configured by specifying the Global Unicast Prefix and using a EUI 64 interface ID in the low order 64 bits The host portion of a Global Unicast address is automatically generated using the modified EUI 64 form of the interface identifier the switch s MAC address Link Local Address The network portion of a Link Local address is FE80 and the FE80 EUI 64 form host portion of a Link Local address is automatically generated of the MAC address using the modified EUI 64 form of the interface identifier the switch s MAC address 3 7 PT 7528 Featured Functions Neighbor Cache IPv Address Link Layer MAC Address fe80 290 e8fFfe00 2 00 90 e8 00 00 02 Reachable Neighbor Cache The information in the neighbor cache includes the neighboring None node IPv6 address the corresponding Link Layer address and the current state of the entry NOTE System Time Settings Current Time Pi e ex 04 00 04 Current Date ae H E ex 2002 11 13 Daylight Saving Time Month Week Day Hour Start Date W Offset lo hour s system Up Time 0d17h4 m56s Time Zone GMT Greenwich Mean Time Dublin Edinburgh Lisbon London el ist Time Server IP Name time nist gov 2nd Time Server IP Name Time Server Query Period 600 sec C Enable NTP SNTP Server The PT 7528 has a time calibration function based on in
99. rom the NMS which means that the agent has no way of knowing if the trap reached the NMS Trap Mode Retries 1 99 1 Timeout 1 300s 1 SNMP Inform Mode SNMPv2 provides an inform mechanism When an inform message is sent from the SNMP agent to the NMS the receiver sends a response to the sender acknowledging that the event was received This behavior is similar to get and set requests If the SNMP agent does not receive a response from the NMS for a period of time the agent will resend the trap to the NMS agent The maximum timeout is 300 sec default is 1 sec and the maximum number of retries is 99 default is 1 time When the SNMP agent receives acknowledgement from the NMS it will stop resending the inform messages Trap Mode Retries 1 99 Timeout 1 300s Private MIB information Switch Object ID 8691 7 13 This indicates the PT 7528 s enterprise value NOTE The Switch Object ID cannot be changed 3 19 PT 7528 Featured Functions Using Communication Redundancy Communication redundancy on your network helps protect critical links against failure protects against network loops and keeps network downtime at a minimum Communication redundancy functions allow the user to set up redundant loops in the network to provide a backup data transmission route in the event that a cable is inadvertently disconnected or damaged This is a particularly important feature for industrial applications since it could tak
100. ror Port Settings ME OM O12 013 O14 Ots O16 O21 O22 023 024 025 026 0141 Di 0143 144 Watch direction Bi directional v Mirror port WU The Mirror port function can be used to monitor data being transmitted through specific ports This is done by setting up another port the mirror port to receive the same data being transmitted from or both to and from the ports under observation This allows the network administrator to sniff the observed ports and thus keep tabs on network activity Take the following steps to set up the Mirror Port function STEP 1 Configure PT 7528 s Mirror Port function from either the Console utility or Web Browser interface You will need to configure three settings Monitored Port Select the port number of all ports whose network activity will be monitored Select the port number of all ports that will be used to monitor the activity of the monitored ports Watch Direction Select one of the following three watch direction options e Input data stream Select this option to monitor only those data packets coming into the PT 7528 s ports Output data stream Select this option to monitor only those data packets being sent out through the PT 7528 s ports Bi directional Select this option to monitor data packets both coming into and being sent out through the PT 7528 s ports STEP 2 Be sure to activate your settings before exiting e When using the Web Browser interface activate by clicking o
101. rovide extra security Devices within each VLAN can only communicate with other devices on the same VLAN If a device on VLAN Marketing nePT to communicate with devices on VLAN Finance the traffic must pass through a routing device or Layer 3 switch VLANs help control traffic With traditional networks congestion can be caused by broadcast traffic that is directed to all network devices regardless of whether or not they need it VLANs increase the efficiency of your network because each VLAN can be set up to contain only those devices that need to communicate with each other VLANs and the PowerTrans Your PT 7528 provides support for VLANs using IEEE Std 802 1Q 1998 This standard allows traffic from multiple VLANs to be carried across one physical link The IEEE Std 802 1Q 1998 standard allows each port on your PT 7528 to be placed as follows In a single VLAN defined on the PT 7528 In several VLANs simultaneously using 802 1Q tagging The standard requires that you define the 802 1Q VLAN ID about each VLAN on your PT 7528 before the switch can use it to forward traffic Managing a VLAN A new or initialized PT 7528 contains a single VLAN the Default VLAN This VLAN has the following definition VLAN Name Management VLAN 802 1Q VLAN ID 1 if tagging is required All the ports are initially placed in this VLAN and it is the only VLAN that allows you to access the management software of the PT 7528 over the network 3 42 PT 7
102. t Ethernet ports Optional front or rear wiring makes the PT 7528 suitable for different applications Package Checklist The PowerTrans PT 7528 is shipped with the following items If any of these items is missing or damaged please contact your customer service representative for assistance 1 PowerTrans PT 7528 Hardware installation guide CD ROM with user s manual and SNMP MIB file Warranty statement RJ45 to DB9 console port cable Protective caps for unused ports rackmount attachments Software Features IPv6 Ready logo awarded IPv6 Logo Committee certified IEEE 1588 PTP Precision Time Protocol for precise time synchronization of networks Turbo Ring Turbo Chain and RSTP STP IEEE 802 1W D DHCP Option 82 for IP address assignment with different policies IGMP snooping GMRP to filter multicast traffic from industrial Ethernet protocols IEEE 802 1Q VLAN GVRP for easier network planning QoS IEEE 802 1p 1Q and TOS DiffServ to increase determinism 802 3ad LACP for bandwidth optimization IEEE 802 1X and https SSL to enhance network security Modbus TCP industrial Ethernet protocol supported SNMP V1 V2c V3 for differential network management RMON for efficient proactive network monitoring Supports ABC 01 for system configuration backup Access restriction by MAC address Port multi mirroring for online debugging Automatic warnings by email relay output Automatic recovery of connected device s IP addresses Lin
103. tance of the different events System Events Warning Relay output is triggered when Power Transition On gt Off PT 7528 is powered on Power Transition Off gt On PT 7528 is powered down Link ON The port is connected to another device Link OFF The port is disconnected e g the cable is pulled out or the opposing device shuts down Traffic Overload The port s traffic surpasses the Traffic Threshold for that port ord provided this item is Enabled Traffic Threshold Enter a nonzero number if the port s Traffic Overload item is Enabled Traffic Duration sec A Traffic Overload warning is sent every Traffic Duration seconds if ad the average Traffic Threshold is surpassed during that time period NOTE The Traffic Overload Traffic Threshold and Traffic Duration sec Port Event items are related If you Enable the Traffic Overload event then be sure to enter a nonzero Traffic Threshold percentage as well as a Traffic Duration between 1 and 300 seconds 3 61 PT 7528 Featured Functions Override relay alarm settings Click the checkbox to override the relay warning setting temporarily Releasing the relay output will allow administrators to fix any problems with the warning condition Warning List Use this table to see if any relay alarms have been issued Current Warning List nde Ee Using Line Swap Fast Recovery The Line Swap Fast Recovery function which is enabled by default allows PT 7528 to r
104. terface activate by clicking on the Activate button e When using the Console utility activate by first highlighting the Activate menu option and then press Enter You should receive the Set device IP settings are now active Press any key to continue message Configuring Set Device IP Automatic Set Device IP by DHCP BootP RARP Pot Devices current IP Active function Desired IP address 1 1 NA 1 2 NA 1 3 NA 1 4 NA 1 5 NA 1 6 NA 4 NA 4 2 NA 4 3 NA 4 4 NA Desired IP Address IP Address Set the desired IP of connected devices Configuring DHCP Relay Agent The DHCP Relay Agent makes it possible for DHCP broadcast messages to be sent over routers The DHCP Relay Agent enables DHCP clients to obtain IP addresses from a DHCP server on a remote subnet or those that are not located on the local subnet 3 63 gt Featured Functions DHCP Option 82 Option 82 is used by the relay agent to insert additional information into the client s DHCP request The Relay Agent Information option is inserted by the DHCP relay agent when forwarding client originated DHCP packets to a DHCP server Servers recognize the Relay Agent Information option and use the Information to implement IP address to the Client When Option 82 is enabled on the switch a subscriber device is identified by the switch port through which it connects to the network in addition to its MAC address Multiple hosts on the subscriber LAN can be co
105. the Port column GMRP Table The PT 7528 displays the current active GMRP groups that were detected GMRP Status Multicast Address 1 01 00 5E 00 00 01 1 6 Description Fixed Ports This multicast address is defined by static multicast Learned Ports This multicast address is learned by GMRP 3 52 PT 7528 Featured Functions Using Bandwidth Management In general one host should not be allowed to occupy unlimited bandwidth particularly when the device malfunctions For example so called broadcast storms could be caused by an incorrectly configured topology or a malfunctioning device The PT 7528 not only prevents broadcast storms but can also be configured to a different ingress rate for all packets giving administrators full control of their limited bandwidth to prevent undesirable effects caused by unpredictable faults Configuring Bandwidth Management Broadcast Storm Protection Broadcast Storm Protection Broadcast Storm Protection O Include Multicast Packet Activate Enable Disable This enables or disables Broadcast Storm Protection for Enable unknown broadcast packet globally This enables or disables Broadcast Storm Protection for Disable unknown multicast packets globally Traffic Rate Limiting Settings Traffic Rate Limiting Settings Port 14 Not Limited 1 2 Not Limited v 1 3 Not Limited v 1 4 Not Limited vw 1 5 Not Limited 1 6 Not Limited vw 4 1 Not Limited 4 2 Not Lim
106. time but where broadcasting the traffic to all end stations would cause a substantial reduction in network performance Furthermore several industrial automation protocols such as Allen Bradley EtherNet IP Siemens Profibus and Foundation Fieldbus HSE High Speed Ethernet use multicast These industrial Ethernet protocols use publisher subscriber communications models by multicasting packets that could flood a network with heavy traffic IGMP Snooping is used to prune multicast traffic so that it travels only to those end destinations that require the traffic reducing the amount of traffic on the Ethernet LAN 3 47 gt Featured Functions Multicast Filtering Multicast filtering ensures that only end stations that have joined certain groups receive multicast traffic With multicast filtering network devices only forward multicast traffic to the ports that are connected to registered end stations The following two figures illustrate how a network behaves without multicast filtering and with multicast filtering Network without multicast filtering Group 1 Multicast Stream Group 2 Multicast Stream IGMP Group2 IGMP Group1 IGMP Group2 IGMP Group1 All hosts receive the multicast traffic even if they don t need it Network with multicast filterin Group 1 Multicast Stream Group 2 Multicast Stream IGMP Groupe IGMP Groupl IGMP Groupe IGMP Groupi Hosts only receive dedicated traffic from other hosts belon
107. to help determinism 6 Virtual LAN Set up a VLAN by ITEEES U2 10 VLAN or Port based VLAN 7 Multicast Filtering Enable the multicast filtering capability 3 Bandwidth Management Restrict unpredictable network traffic Ad Port Access Control Port access control by TEEESO2 1X or Static Bort Lock a Auto Warning Warning email and or relay output by events b Line Swap Fast recovery after moving devices to different ports c Set Device IP Assign IP addresses to connected devices d Diagnosis Ping command and the settings for Mirror port LLDB Monitor Monitor a port and network status f MAC Address Table The complete table of Ethernet MAC Address List q System log The settings for Syslog and Event log h Exit EXILE Use the up down arrow keys to select a category and then press Enter to select 8 Use the following keys on your keyboard to navigate the PT 7528 s serial console po ey metic Up down right left arrow keys Tab Display and select options Space Toggle options 2 4 PT 7528 Getting Started Configuration by Telnet Console You may open the PT 7528 s Telnet or web console over a network This requires that the PC host and PT 7528 are on the same logical subnet You may need to adjust your PC host s IP address and subnet mask By default the PT 7528 s IP address is 192 168 127 253 and PT 7528 subnet mask is 255 255 255 0 for a Class C network This means that your PC s IP a
108. ues 4 Max Number of Available VLANs 64 VLAN ID Range VID 1 to 4094 IGMP Groups 256 Interface Fast Ethernet Slots 1 for combinations of 1 2 or 4 port PM 7500 Ethernet modules Optical Fiber 100BaseFX a es sem 5 Km Typical Distance 40 km 80 km 4 km Saturation 3 dBm a 50 125 um 800 MHz km fiber optic cable D 62 5 125 um 500 MHz km fiber optic cable c 9 125 um 3 5 PS nm km fiber optic cable d 9 125 um 19 PS nm km fiber optic cable Console Port RS 232 RJ45 System LED Indicators STAT PWR1 PWR2 FAULT MASTER COUPLER Mode LED Indicators LNK ACT FDX HDX RING CHAIN PORT COUPLER PORT SPEED PT 7528 gt Specifications Alarm Contact One relay output with current carrying capacity of 3A 30 VDC or 3A O 240 VAC Power Requirements Input Voltage e WV 24 48 VDC 18 to 72V e HV 110 220 VDC VAC 88 to 300 VDC and 85 to 264 VAC Input Current all ports are equipped with fiber e Max 0 689 A 24 VDC e Max 0 338 A 48 VDC e Max 0 134 0 069 A 110 220 VDC e Max 0 332 0 2 A 110 220 VAC Overload Current Protection Present Connection 10 pin terminal blocks Reverse Polarity Protection Present Physical Characteristics Housing IP40 protection Dimensions 440 x 44 x 325 mm 17 32 x 1 73 x 12 80 in Installation 19 rack mounting Environmental Limits Operating Temperature 40 to 85 C 40 to 185 F cold start requires min of 100 VAC at 40 C Storage Tem
109. unctions STEP 1 Set up the connected devices TCP IP Properties EIE Set up those Ethernet enabled devices connected to PT 7528 for Bindings Advanced NeBlos DNS Configuration Gateway WINS Configuration IP Address which you would like IP addresses to be assigned automatically The An IP address can be automatically assigned to this computer devices must be confi gu red to obtain their IP address automatical ly i If your network does not automatically assign IP addresses ask your network administrator for an address and then type it in the space below The devices configuration utility should include a setup page that allows you to choose an option similar to Obtain an IP address automatically For example Windows TCP IP Properties window is shown at the right Although your device s configuration utility may look quite a bit different this figure should give you some idea of what to look for You also need to decide which of PT 7528 s ports your Ethernet enabled devices will be connected to You will need to set up each of these ports separately as described in the following step STEP 2 Configure PT 7528 s Set device IP function either from the Console utility or from the Web Browser interface In either case you simply need to enter the Desired IP for each port that needs to be configured STEP 3 Be sure to activate your settings before exiting e When using the Web Browser in
110. ur Mail Server IP Name IP address or name Account Name Account Password Retype New Password and the email address to which warning messages will be sent 3 Activate your settings and if necessary test the email After configuring and activating your PT 7528 s Event Types and Email Setup you can use the Test Email function to see if your e mail addresses and mail server address have been properly configured 3 58 PT 7528 Featured Functions Event Type Email Warning Events Settings System Events C Switch Cold Start C Switch Warm Start C Power Transition On gt Off C Power Transition Off gt On Cl Config Change C Auth Failure C Comm Redundancy Topology Changed Port Events Port N de Trafic Overioad S Trafic Duration s G B t O DO Ian n Inn O OOODO ad b d d d al al mk 19 19 19 19 19 19 9 OO O O lt Activate Event Types can be divided into two basic groups System Events and Port Events System Events are related to the overall function of the switch whereas Port Events are related to the activity of a specific port Switch Warm Start PT 7528 is rebooted such as when network parameters are N Pe Ge L Configuration Change Activated Any configuration item has been changed Authentication Failure An incorrect password is entered Comm Redundancy Topology Changed If any Spanning Tree Protocol switches have changed their position applies only to the
111. vLAN3 Tagged Device VID3 VUAN Tagged Darica VIDA VLAN 2 Uetsgead Device 3 43 PT 7528 Featured Functions In this application Port 1 connects a single untagged device and assigns it to VLAN 5 it should be configured as Access Port with PVID 5 Port 2 connects a LAN with two untagged devices belonging to VLAN 2 One tagged device with VID 3 and one tagged device with VID 4 It should be configured as Trunk Port with PVID 2 for untagged device and Fixed VLAN Tagged with 3 and 4 for tagged device Since each port can only have one unique PVID all untagged devices on the same port can only belong to the same VLAN Port 3 connects with another switch It should be configured as Trunk Port GVRP protocol will be used through the Trunk Port Port 4 connects a single untagged device and assigns it to VLAN 2 it should be configured as Access Port with PVID 2 Port 5 connects a single untagged device and assigns it to VLAN 3 it should be configured as Access Port with PVID 3 Port 6 connects a single untagged device and assigns it to VLAN 5 it should be configured as Access Port with PVID 5 Port 7 connects a single untagged device and assigns it to VLAN 4 it should be configured as Access Port with PVID 4 After proper configuration Packets from Device A will travel through Trunk Port 3 with tagged VID 5 Switch B will recognize its VLAN pass it to port 6 and then remove tags received successfully by Device G and vice versa
112. w different traffic types can be mapped to the eight IEEE 802 1p priority levels ee tan pare SSCSC S S S S S lt S S S OG excentent Etor business geag S controlled Load streaming multimedia 5 Video interactive media less than 100 miliseconds of latency and jiter 6 voice interactive voice less than 10 miliseconds of latency an jitter Even though the IEEE 802 1D standard is the most widely used prioritization scheme in the LAN environment it still has some restrictions e It requires an additional 4 byte tag in the frame which is normally optional in Ethernet networks Without this tag the scheme cannot work e The tag is part of the IEEE 802 1Q header so to implement QoS at layer 2 the entire network must implement IEEE 802 1Q VLAN tagging It is only supported on a LAN and not across routed WAN links since the IEEE 802 1Q tags are removed when the packets pass through a router Differentiated Services DiffServ Traffic Marking DiffServ is a Layer 3 marking scheme that uses the DiffServ Code Point DSCP field in the IP header to store the packet priority information DSCP is an advanced intelligent method of traffic marking because you can choose how your network prioritizes different types of traffic DSCP uses 64 values that map to user defined service levels allowing you to establish more control over network traffic Advantages of DiffServ over IEEE 802 1D are e Configure how you want y
113. will proceed automatically after clicking Import Upload Configure Data To import a configuration file onto the PT 7528 click Browse to select the configuration file already saved on your computer The upgrade procedure will proceed automatically after clicking Import Factory Default Reset to Factory Default This function will reset all settings to their factory default values Be aware that previous settings will be lost This function provides users with a quick way of restoring the PT 7528 s configuration to factory defaults This function is available in the serial Telnet and web consoles NOTE After restoring the factory default configuration you will need to use the default network settings to re establish the web or Telnet console connection with the PT 7528 3 13 PT 7528 Featured Functions Using Port Trunking Link aggregation involves grouping links to into a link aggregation group A MAC client can treat link aggregation groups as if they were a single link The PT 7528 s port trunking feature allows devices to communicate by aggregating up to 4 trunk groups with a maximum of 8 ports for each group If one of the 8 ports fails the other seven ports will automatically provide backup and share the traffic Port trunking can be used to combine up to 8 ports between two PT 7528 switches If all ports on both switch units are configured as 100BaseTX and they are operating in full duplex the potential bandwidth of t
114. x0000 Off 0x0001 0n Fault LED Status 0x0000 No 0x0001 Yes DI1 0x0000 Off 0x0001 0n DI2 0x0000 Off 0x0001 0n DO1 0x0000 Off 0x0001 0n DO2 0x0000 Off 0x0001 0n Port Information 0x1000 0x101B 1 word 0x1100 0x111B 1 word 0x1200 0x121B 1 word 0x1300 0x131B 1 word Port 1 28 Status 0x0000 Link down 0x0001 Link up 0x0002 Disable OXFFFF No port Port 1 28 Speed 0x0000 10M Half 0x0001 10M Full 0x0002 100M Half 0x0003 100M Full 0x0004 1G Half 0x0005 1G Full OxFFFF No port Port 1 28 Flow Ctrl 0x0000 Off 0x0001 0n OXFFFF No port Port 1 28 MDI MDIX 0x0000 MDI 0x0001 MDIX OXFFFF No port C 2 PT 7528 Modbus TCP Map Data Type 0x1400 0x1413 Port 1 0x1414 0x1427 Port 2 20 word Port 1 18 Description Port Description 100TX RJ45 Word O Hi byte 1 Word O Lo byte 0 Word 1 Hi byte Word 1 Lo byte Word 4 Hi byte Word 4 Lo byte Word 5 Hi byte Word 5 Lo byte Packets Information Port 1 28 Tx Packets Ex port 1 Tx Packets 0x44332211 Word 0 4433 Word 1 2211 Port 1 28 Rx Packets Ex port 1 Rx Packets 0x44332211 Word 0 4433 Word 1 2211 port 1 28 Tx Error Packets Ex port 1 Tx Error Packets 0x44332211 Word 0 4433 Word 1 2211 port 1 28 Rx Error Packets Ex port 1 Rx Error Packets 0x44332211 Word 0 4433 Word 1 2211 Redundancy Information 0x2000 0x2037 2 word 0x2100 0x2137 2 word 2 word 0x2200 0x2237
115. y opposite the master If the number of Ethernet switches in the Turbo Ring is 2N 1 an odd number the backup segment is the N 1 st segment counting counterclockwise For the example shown here N 1 so that N 1 2 Segment N 1 Determining the Redundant Path for Turbo Ring V2 Master For Turbo Ring V2 the backup segment is the segment connected to the 2nd redundant port on the master Please refer to Configuring Turbo Ring V2 later in this chapter 3 21 PT 7528 Featured Functions Ring Coupling Configuration For some systems it may not be convenient to connect all devices in the system in a single redundant ring since some devices could be located in a remote area For these systems Ring Coupling can be used to group devices into smaller redundant rings that communicate with each other ATTENTION In a VLAN environment the user must set Redundant Port Coupling Port and Coupling Control Port to join all VLANs since these ports act as the backbone to transmit all packets of different VLANs to the different PT series Ethernet switches Ring Coupling for Turbo Ring Switch B Main Path Switch D Coupling Control Port Backup Path Coupling Port Switch A Coupler Switch C To configure the ring coupling for a Turbo Ring select two PT series Ethernet switches e g Switch A and B in the above figure in the ring and another two PT series Ethernet switches in the adjacent ring e g Switch C an

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