3Com 10002211 - Manuals - manualsarea.com

Page 3 - ONTENTS

C ONTENTS C ORE B UILDER 6000 E XTENDED S WITCHING S OFTWARE R EVISION 8.2.3 Overview 1 Hardware Dependencies 1 Upgrading Your LMM or LMM+ 1 Extended Switching Software Requirement 2Release Highlights for 8.2.3 2Release Highlights for 8.2.0 2Before You Start 3 Updating Your System Software 3 Copying...

Page 4 - Revision History 30; IP M; ULTICAST; Administering Multicast Tunnels A-6; EMOTE

Disconnecting an Active telnet or rlogin Session 18STP linkState Changes 20CoreBuilder 6000 12-Slot Chassis 21 System Issues 23Known Problems 26SNMP MIB Files 28 Supported Versions 28Compiler Support 29 Revision History 30 A IP M ULTICAST R OUTING Overview A-1Enabling and Disabling DVMRP A-2Enabling...

Page 5 - Types of VLANs C-1; VLAN

Host Group B-7HostTopN Group B-8Matrix Group B-8 3Com Transcend RMON Agents B-8Management Information Base (MIB) B-9 MIB Objects B-10 C VLAN S ON THE C ORE B UILDER S YSTEM About VLANs C-1 Types of VLANs C-1 Port Group VLANs C-2MAC Address Group VLANS C-2Application-Oriented VLANS C-2Protocol-Sensit...

Page 6 - Online Technical Services E-1

E T ECHNICAL S UPPORT Online Technical Services E-1 World Wide Web Site E-13Com Bulletin Board Service E-1 Access by Analog Modem E-2Access by Digital Modem E-2 3ComFacts Automated Fax Service E-23ComForum on CompuServe Online Service E-3 Support from Your Network Supplier E-3Support from 3Com E-4Re...

Page 7 - XTENDED; EVISION; Overview; 000 Extended Switching software from 3Com; Hardware; Check that the module’s ejector tab is labeled “LMM+”.; system display

C ORE B UILDER 6000 E XTENDED S WITCHING S OFTWARE R EVISION 8.2.3 Overview These installation instructions and release notes describe revision 8.2.3 of the CoreBuilder ™ 6000 Extended Switching software from 3Com Corporation, dated October 9, 1997. This revision supersedes revision 8.2.1, dated May...

Page 8 - Release Highlights

2 C ORE B UILDER 6000 E XTENDED S WITCHING S OFTWARE R EVISION 8.2.3 If you have an LMM+ at a revision earlier than 1.21 (for revision 1 modules) or 2.12 (for revision 2 modules), call 3Com at 1-800-876-3266 and press option 2. 3Com will replace your LMM+ with an LMM+ at the correct revision, free o...

Page 9 - Updating Your System Software; Before You Start; “System Issues”

Updating Your System Software 3 ■ Filter MIB ■ FTP packet filter program transfers via SNMP ■ Disconnecting an active telnet or rlogin session ■ STP linkState changes ■ CoreBuilder 6000 12-slot Chassis For more information about this release, see “What’s New at Revision 8.2.0?” on page 14. Before Yo...

Page 10 - To copy the software to a UNIX hard disk, follow these instructions.

4 C ORE B UILDER 6000 E XTENDED S WITCHING S OFTWARE R EVISION 8.2.3 Copying System Software to a Hard Disk You can copy system software to a computer that runs either a UNIX or an MS-DOS operating system. Copying to the UNIX Platform The CoreBuilder software for a UNIX system is distributed on six ...

Page 11 - Remove diskette #4 using the following command:; This procedure creates the uncompressed file; README1; file for file size and checksum information.; Copying to the MS-DOS Platform

Updating Your System Software 5 8 Insert diskette #4 into the disk drive and extract the fourth part of the file using the following command: # tar xvf /dev/rfd0 9 Remove diskette #4 using the following command: # eject 10 Insert diskette #5 into the disk drive and extract the fifth part of the file...

Page 12 - File; IMAGE folder; Perform

6 C ORE B UILDER 6000 E XTENDED S WITCHING S OFTWARE R EVISION 8.2.3 Installing on a Windows 95 or Windows NT Computer. To copy software to an MS-DOS host computer’s hard disk using Windows 95 or Windows NT, take these steps: 1 Insert diskette #1 into a disk drive. These instructions assume drive a ...

Page 13 - Loading System Software on the LMM+; system softwareUpdate; must; ronnyk

Loading System Software on the LMM+ 7 Loading 8.2.3 software into flash memory takes approximately 10 to 15 minutes to complete, depending on your network load. To load the new software: 1 From the top level of the Administration Console, enter: system softwareUpdate The system prompts you for the H...

Page 14 - Installation complete.; Appendix E; system reboot

8 C ORE B UILDER 6000 E XTENDED S WITCHING S OFTWARE R EVISION 8.2.3 After the software is loaded, this message appears: Installation complete. If the CoreBuilder executable software image stored in flash memory is corrupted (for example, when the power fails while you are updating software), contac...

Page 15 - New Features; Appendix C; Support for Seven RMON Data Groups

What’s New at Revision 8.2.3? 9 ■ FDDI Switching Module (FSM) Guide ■ Fast Ethernet Switching Module (FESM) Guide In addition, Filter Builder software and the Filter Builder Getting Started Guide are shipped with CoreBuilder 6000 Extended Switching software. What’s New at Revision 8.2.3? This sectio...

Page 16 - Appendix B; IP Interface Configuration Change; To define an IP interface:; ip interface define; You are prompted for the interface’s parameters.

10 C ORE B UILDER 6000 E XTENDED S WITCHING S OFTWARE R EVISION 8.2.3 ■ Group 2: History — Stores periodic statistical samples of Group 1 data for later retrieval. ■ Group 3: Alarm — Allows a network manager to set sampling intervals and alarm thresholds for any MIB counter or integer ■ Group 4: Hos...

Page 17 - Enter the advertisement address to be used on the interface.; Enter the number of the VLAN whose interface you are defining.; Index Ports; Routing on FESM Modules; Appendix A; Additional RMON MIB Support; axFDDI — axFDDI group 1

What’s New at Revision 8.2.3? 11 7 Enter the advertisement address to be used on the interface. 8 Enter the number of the VLAN whose interface you are defining. Example: Select IP stack by slot {1-3,5,7,9-12} [1]: 5 Enter IP address: 158.101.1.1 Enter subnet mask [255.255.0.0]: 255.255.255.0 Enter c...

Page 18 - Enabling and Disabling STP Transitions on linkState Changes; bridge stpFollowLinkState; Displaying Bridge Information; bridge port summary

12 C ORE B UILDER 6000 E XTENDED S WITCHING S OFTWARE R EVISION 8.2.3 Enabling and Disabling STP Transitions on linkState Changes The menu item stpFollowLinkState has been added. It allows you to enable or disable Spanning Tree transitions on linkState changes. The default is enabled. ■ When enabled...

Page 19 - Sample display of bridge port information:

What’s New at Revision 8.2.3? 13 Sample display of bridge port information: stpState timeSinceLastTopologyChange disabled 0 hrs 0 mins 0 secs stpFollowLinkState topologyChangeCount enabled 0 topologyChangeFlag BridgeIdentifier false 8000 00803elbf216 designatedRoot stpGroupAddress bridgeMaxAge 0000 ...

Page 20 - The Fast Ethernet Switching Module (FESM); When used with CoreBuilder; If you attempt to run CoreBuilder system software 8.2.0 or greater

14 C ORE B UILDER 6000 E XTENDED S WITCHING S OFTWARE R EVISION 8.2.3 What’s New at Revision 8.2.0? This section describes the new features, software enhancements, and corrections that are implemented at this release. New Features The following features have been added at this release. Fast Ethernet...

Page 21 - Verify that the module’s ejector tab is labeled “LMM+”.; “Upgrading Your LMM or LMM+”; FESM and FSM HSI Switch Engine; high-speed interconnect; Ability to Administer Fast Ethernet Ports; Full-duplex operation; When you change this operating mode to

What’s New at Revision 8.2.0? 15 To verify that you have an LMM+ module and not an LMM module installed: 1 Verify that the module’s ejector tab is labeled “LMM+”. 2 Determine the revision level of your LMM+. From the top level of the Administration Console, enter: system display To upgrade your LMM ...

Page 22 - ethernet fastEthernet duplexMode; A prompt similar to the following one appears:; The system displays this message:; Warning: Changing mode to full duplex disables collision; Enter; You receive the prompt to select each port’s duplex mode:

16 C ORE B UILDER 6000 E XTENDED S WITCHING S OFTWARE R EVISION 8.2.3 Full-duplex mode eliminates both the link’s collision domain and the need for collision detection. As a result, full-duplex point-to-point links can be much longer than half-duplex links. To configure a port for full-duplex operat...

Page 23 - enabled; Congestion; ethernet fastEthernet ifm; Default; all

What’s New at Revision 8.2.0? 17 5 Enter full to set the port to full-duplex mode or half to set the port to half-duplex mode. Default The port’s current setting is indicated in brackets. To select this default, press Return. This action leaves the port duplex mode unchanged. 6 Repeat steps 4 and 5 ...

Page 24 - enable; Bridge MIB Support for the FESM; address; FTP Packet Filter Program Transfers via SNMP

18 C ORE B UILDER 6000 E XTENDED S WITCHING S OFTWARE R EVISION 8.2.3 For each slot that you enter, the system asks for specific port numbers: Select Ethernet port(s) (1-8,all): 3 Enter the number(s) of the port(s) that you want to configure: 1,2,5-7 Default To select the default all , press Return....

Page 25 - telnet Implementation.; Sorry, this system is engaged by another telnet session.; correctpassword; LOGGING OUT the other telnet session.; When you preempt a telnet or rlogin session in this manner, the; Disconnecting; Logout the other telnet session?

What’s New at Revision 8.2.0? 19 telnet Implementation. When you attempt to use the telnet command to enter a system that is being used by another telnet connection, the system displays: Sorry, this system is engaged by another telnet session. Host IP address: xxx.xxx.xxx.xxx Logout the other telnet...

Page 26 - STP linkState Changes; linkState

20 C ORE B UILDER 6000 E XTENDED S WITCHING S OFTWARE R EVISION 8.2.3 STP linkState Changes The linkState of a port is now a factor in determining the Spanning Tree port state. This change helps prevent bridge loops when making network connections to previously inactive ports. The bridge port summar...

Page 27 - Table 1; Input Failure; Enabled; If STP is

What’s New at Revision 8.2.0? 21 Note these additional items: ■ The linkState up or down settings apply to Ethernet and Fast Ethernet ports, not to FDDI ports, and only when the stpState for the bridge is enabled. If the stpState on the Bridge menu is disabled , the State for the port remains in for...

Page 28 - Power Supply; This message is immediately overwritten with:; Power Supply Warning Messages.; This release of system software now

22 C ORE B UILDER 6000 E XTENDED S WITCHING S OFTWARE R EVISION 8.2.3 To remove a faulty power supply and replace it with a new unit, follow these steps: 1 Turn off the power supply according to the safety and removal procedures in the Installation Guide that is shipped with the new power supply. Th...

Page 29 - Power Supply Over Temp; When you insert and extract either of the power supplies,; Fan Failure; System Issues; The following system issues are identified at this release:; FAIL; Name Òforward IP framesÓ

System Issues 23 ■ +12V Restored The power supply +12-volt input is restored. ■ Power Supply Over Temp One of the power supplies has exceeded the allowable temperature of 90 ° C (194 ° F). SNMP Traps. When you insert and extract either of the power supplies, the system generates SNMP traps. Hot-swap...

Page 30 - Installation complete; system nvdata reset

24 C ORE B UILDER 6000 E XTENDED S WITCHING S OFTWARE R EVISION 8.2.3 ■ 3Com recommends that you hot-swap one module at a time (except FESMs and FSMs, as described in the previous System Issue). After you hot-swap one module, wait until the system completes full initialization before you install ano...

Page 31 - “Hardware Dependencies”; find; command for both the noncanonical and canonical formats.

System Issues 25 ■ If you attempt to run CoreBuilder 6000 system software revision 8.2.3 on an LMM+ at revision 2.11 or earlier, the system fails to reboot when you turn it on. See “Hardware Dependencies” on page 1. ■ You can configure a maximum total of 100 routing interfaces for all switching modu...

Page 32 - Known Problems; The following software problems are identified at this release:; RowStatus FROM SNMPv2-TC; A few lines below, add the following RowStatus comment:; IMPORTS; Do not create port groups and port group filters on the FESM or FSM.

26 C ORE B UILDER 6000 E XTENDED S WITCHING S OFTWARE R EVISION 8.2.3 Known Problems The following software problems are identified at this release: ■ To compile lpv2.mib with a version 2 compiler, perform these steps: 1 In the IMPORTS section, add: RowStatus FROM SNMPv2-TC 2 A few lines below, add ...

Page 33 - Do not; Received ftpCommand Quit not completed errno 421

Known Problems 27 ■ Roving Analysis cannot monitor outgoing routed packets. ■ FCS error statistics report inaccurate values on the TMM-FE’s port. ■ You cannot modify the port specification of an IP interface that is defined on the LMM+ module. To modify the port specification, remove the IP interfac...

Page 34 - nvdata restore; not; yes; SNMP MIB Files; “Compiler Support; Supported Versions

28 C ORE B UILDER 6000 E XTENDED S WITCHING S OFTWARE R EVISION 8.2.3 ■ Performing a manual nvdata restore restores configurations to slots even if the configurations have been specified not to restore. When you restore NV data, the system proposes a method of restoration based on restoration rules....

Page 35 - Compiler Support; fddimibMACSMTIndex

SNMP MIB Files 29 ■ lp.mib — LANplex Systems MIB, version 1.3.0 ■ lpOpFddi.mib — LANplex Optional FDDI MIB, version 1.2.1 ■ mib2.mib — MIB-II, RFC 1213 ■ rmon.mib — RMON MIB, RFC 1757 ■ srbridge.mib —Source Routing MIB RFC1525 ■ vlan.mib — LANplex VLAN MIB Compiler Support ASN.1 MIB files are provid...

Page 36 - Revision History; Table 2

30 C ORE B UILDER 6000 E XTENDED S WITCHING S OFTWARE R EVISION 8.2.3 Revision History Table 2 describes the previous releases of the CoreBuilder 6000 Extended Switching software. Table 2 Revision History for CoreBuilder 6000 Software Revision Number Description of Release 8.2.1/8.2.3 New features: ...

Page 37 - State

Revision History 31 8.0.0 New features: ■ Support for the FDDI Switching Module (FSM) ■ Support for the EFSM TP-DDI Module ■ Support for RMON ■ RMON MIB support added ■ State field added to interface display ■ System menu item upTime added ■ New FDDI MAC statistic rxErrors ■ New fields added to FDDI...

Page 39 - requestedEnabledPaths

Revision History 33 3.1.7 Maintenance release MIB support removed: ■ The Ethernet MIB attributes, requestedEnabledPaths and enabledPaths , are no longer supported. ■ The LANplex SNMP MIB traps, lpBridgePortAddressLearnedEvent and lpBridgePortAddressForgottenEvent , are no longer supported. 3.1.5 New...

Page 41 - This appendix describes how to set up your CoreBuilder

A IP M ULTICAST R OUTING Overview This appendix describes how to set up your CoreBuilder ™ 6000 system to use IP multicast routing. Before you define any IP multicast interfaces, you should have previously defined IP interfaces and routes as described in the LANplex® 6000 Extended Switching User Gui...

Page 42 - ip multicast dvmrp; disabled; Query mode; — The router or switch with the lowest IP address in the LAN; Snooping mode; — A router or switch performs dynamic multicast

A-2 A PPENDIX A: IP M ULTICAST R OUTING Enabling and Disabling DVMRP DVMRP is the simple Distance Vector Multicast Routing Protocol, similar to the IP Routing Information Protocol. Multicast routers exchange distance vector updates that contain lists of destinations and the distance in hops to each ...

Page 43 - Administering IP Multicast Interfaces; ip multicast igmp; DVMRP Metric Value; , which means that the interface will forward

Administering IP Multicast Interfaces A-3 When you select the IGMP option, the interface prompts you to enable or disable IGMP snooping mode and IGMP query mode. Both are enabled by default. Under most conditions, IGMP snooping mode and IGMP query mode should remain enabled. To enable or disable IGM...

Page 44 - Rate Limit; , which implies no rate limit. In all other; Displaying; To display a multicast interface:; ip multicast interface display; Enter the index numbers of the interfaces you want to display.; Index Local Address Metric Threshold RateLimit State

A-4 A PPENDIX A: IP M ULTICAST R OUTING Rate Limit The rate limit determines how fast multicast traffic can travel over the interface in kilobytes per second. Multicast traffic may not exceed this rate limit or the CoreBuilder system will drop packets in order to maintain the set rate. The default i...

Page 45 - Disabling Multicast; To disable multicast routing on an interface:; ip multicast interface disable; Enter the index number of the IP interface you want to disable.; Enabling Multicast; From the top level of the Administration console, enter:; ip multicast interface enable

Administering IP Multicast Interfaces A-5 Disabling Multicast Interfaces To disable multicast routing on an interface: 1 From the top level of the Administration Console, enter: ip multicast interface disable 2 Enter the slot(s) of the switching module for which you want to disable a multicast inter...

Page 46 - To display the IP multicast tunnels on the router:; ip multicast tunnel display; Example IP multicast tunnel configuration:; pkts in:320069 pkts out:0

A-6 A PPENDIX A: IP M ULTICAST R OUTING Example: Select IP stack by slot (2,3,7,9-12|all) [12]: Enter an IP interface index [1]: 2 Enter Interface DVMRP metric [1]: 1 Enter Interface TTL threshold [1]: Enter interface rate limit in KBits/sec [0]: Administering Multicast Tunnels A multicast tunnel al...

Page 47 - Administering Multicast Tunnels; Defining a; To define a multicast tunnel:; ip multicast tunnel define; Enter the IP address of the destination multicast router.; Enter remote IP address:

Administering Multicast Tunnels A-7 Defining a Multicast Tunnel To define a multicast tunnel: 1 From the top level of the Administration Console, enter: ip multicast tunnel define 2 Enter the slot(s) of the switching module for which you want to define a multicast tunnel. 3 Enter the index number(s)...

Page 48 - Removing a; ip multicast tunnel remove; Displaying Routes; ip multicast routeDisplay

A-8 A PPENDIX A: IP M ULTICAST R OUTING Removing a Multicast Tunnel To remove an IP multicast tunnel: 1 From the top level of the Administration Console, enter: ip multicast tunnel remove 2 Enter the slot(s) of the switching module for which you want to remove a multicast tunnel. Select IP stack(s) ...

Page 49 - The following display shows all available multicast routes:; Field

Displaying Routes A-9 The following display shows all available multicast routes: Table A-1 describes the fields in the route display. Multicast Routing Table (2598 entries) Origin-Subnet From-Gateway Metric Tmr In-If Out-Ifs 157.88.29.1/32 137.39.229.98 18 25 T1 I1 137.39.2.254/32 137.39.229.98 5 2...

Page 50 - To display all learned routes in the multicast cache:; ip multicast cacheDisplay; Enter the multicast source address at the prompt.; DVMRP is enabled, IGMP snooping is enabled

A-10 A PPENDIX A: IP M ULTICAST R OUTING Displaying the Multicast Cache The multicast cache contains the IP source address and destination address for packets observed on the system. The multicast cache shows you how information is routed over interfaces and ports in your system. To display all lear...

Page 51 - Displaying the Multicast Cache; The following display shows the multicast cache configuration:

Displaying the Multicast Cache A-11 The following display shows the multicast cache configuration: Multicast Routing Cache Table (125 entries) Origin Mcast-group CTmr Age PTmr In-If Out-Ifs >202.242.133.128/26 224.2.0.1 7m 11m 6m T1P I1p 202.242.133.139 2 packets>128.84.247/24 224.2.0.1 2m 36m...

Page 52 - describes the fields in the CacheDisplay.

A-12 A PPENDIX A: IP M ULTICAST R OUTING Table A-2 describes the fields in the CacheDisplay. Table A-2 Field Attributes for the CacheDisplay Field Description Origin The source of the incoming packets. Entries preceded by an angle bracket (>) indicate a multicast subnetwork. Entries without an an...

Page 53 - RMON implementation.; Probe

B R EMOTE M ONITORING (RMON) T ECHNOLOGY This appendix provides an overview of RMON and describes the specific CoreBuilder ™ RMON implementation. What Is RMON? The Remote Monitoring (RMON) Management Information Base (MIB) provides a way to monitor and analyze a local area network LAN from a remote ...

Page 54 - Benefits of RMON

B-2 A PPENDIX B: R EMOTE M ONITORING (RMON) T ECHNOLOGY Benefits of RMON Traditional network management applications poll network devices such as switches, bridges, and routers at regular intervals from a network management console. The console gathers statistics, identifies trends, and can highligh...

Page 55 - RMON Groups; lists these supported; Group

RMON Groups B-3 RMON Groups The CoreBuilder system supports seven of the RMON groups defined by the Internet Engineering Task Force (IETF). Table B-1 lists these supported groups. RMON/FDDI Groups The CoreBuilder system supports the RMON/FDDI extensions specified in the AXON Enterprise-specific MIB....

Page 56 - Statistics and; Supported Ethernet and FDDI Frame Size Buckets; Ethernet; 4 byte frames

B-4 A PPENDIX B: R EMOTE M ONITORING (RMON) T ECHNOLOGY Statistics and axFDDI Groups The Statistics group records frame statistics for Ethernet and FDDI interfaces. The information available per interface segment includes: ■ Number of received octets ■ Number of received packets ■ Number of received...

Page 57 - History and; roll

RMON Groups B-5 History and axFDDI Groups The History group records periodic statistical samples from the network and stores them for retrieval at another time. The information available per interface for each time interval includes: ■ Number of received octets ■ Number of received packets ■ Number ...

Page 58 - Setting Alarm Thresholds; shows a counter with thresholds set manually.; Manually Set Thresholds

B-6 A PPENDIX B: R EMOTE M ONITORING (RMON) T ECHNOLOGY When you disable a port, the application might not update some of the statistics counters associated with it. An alarm calculates the difference in counter values over a set time interval and remembers the high and low values. When the value of...

Page 59 - RMON Hysteresis Mechanism

RMON Groups B-7 You can associate an alarm with the high threshold, the low threshold, or both. The actions taken because of an alarm depend on the network management application. RMON Hysteresis Mechanism The RMON hysteresis mechanism provides a way to prevent small fluctuations in counter values f...

Page 60 - HostTopN Group

B-8 A PPENDIX B: R EMOTE M ONITORING (RMON) T ECHNOLOGY HostTopN Group The HostTopN group prepares reports describing hosts that top a list ordered by one of their statistics. Information from this group includes: ■ Number of received packets ■ Number of transmitted packets ■ Number of received octe...

Page 61 - Embedded RMON Implemented on the CoreBuilder System; agent

Management Information Base (MIB) B-9 The CoreBuilder system associates statistics with individual ports and then takes action based on these statistics. For example, the system can generate a log event and send an RMON trap if errors on a port exceed a user-set threshold. You must assign an IP addr...

Page 62 - MIB Objects; Example of an RMON MIB Counter Object; etherStatsPkts

B-10 A PPENDIX B: R EMOTE M ONITORING (RMON) T ECHNOLOGY MIB Objects The data in the MIB consists of objects that represent features of the equipment that an agent can control and manage. Examples of objects in the MIB include a port that you can enable or disable and a counter that you can read. A ...

Page 63 - ON; About VLANs; Types of VLANs

C VLAN S ON THE C ORE B UILDER S YSTEM This appendix contains: ■ A description of Virtual LAN ( VLAN) concepts and their operational aspects in the CoreBuilder ™ 6000 system ■ Examples of VLAN configurations About VLANs The VLAN concept in LAN technology helps minimize broadcast and multicast traffi...

Page 64 - CoreBuilder 6000 Operation; Application-Oriented VLANS

C-2 A PPENDIX C: VLAN S ON THE C ORE B UILDER S YSTEM Port Group VLANs Port group VLANs group together one or more switch ports. This simple implementation of VLANs requires little configuration. All frames received on a port are grouped together. For example, all frames received on a port that is p...

Page 65 - Protocol-Sensitive VLANS; lists the protocol suites that the CoreBuilder supports, as well

About VLANs C-3 Protocol-Sensitive VLANS When the CoreBuilder system receives data that has a broadcast, multicast, or unknown destination address, it forwards the data to all ports. This process is referred to as bridge flooding. Protocol-sensitive VLANs group one or more switch ports together for ...

Page 66 - Layer 3 Addressing Information; “Overlapped IP VLANs”; Default VLAN; Protocol Suite

C-4 A PPENDIX C: VLAN S ON THE C ORE B UILDER S YSTEM Layer 3 Addressing Information For IP VLANs only, the CoreBuilder system optionally supports configuring of individual IP VLANs with network layer subnet addresses. With this additional layer 3 information, you can create independent IP VLANs tha...

Page 67 - Modifying the Default VLAN

About VLANs C-5 Modifying the Default VLAN New switch ports can dynamically appear in the CoreBuilder system if you insert a new switching module (FESM, FSM). When a new switch port that is not part of a default VLAN appears in the system at initialization, the system software adds that switch port ...

Page 69 - Overlapped IP; For example, two IP VLANs can be configured for ports 1-10 as follows:

About VLANs C-7 Overlapped IP VLANs The CoreBuilder system also gives you the ability to assign network layer information to IP VLANs. This capability allows network administrators to manage their VLANs by subnetwork. Flooding decisions are made by first matching the incoming frame using the protoco...

Page 70 - For example, to create an IP interface that can route through a VLAN:

C-8 A PPENDIX C: VLAN S ON THE C ORE B UILDER S YSTEM Routing Between VLANs The only way for stations that are in two different VLANs to communicate is to route between them. The CoreBuilder system supports internal routing among IP, IPX, and AppleTalk VLANs. If VLANs are configured for other routab...

Page 71 - DMINISTERING; Through the Administration Console, you can:; bridge vlan summary; or; bridge vlan detail; The VLAN information is displayed in the format you specified.

D A DMINISTERING VLAN S This appendix describes how to display information about VLANs and how to configure VLANs. Through the Administration Console, you can: ■ Display summary or detailed information on VLANs ■ Define or modify a VLAN definition for a traditional bridge or a highspeed switching en...

Page 72 - Example of a summary display for several VLANs:; summary; Example of a detailed display for the VLANs:; detail

D-2 A PPENDIX D: A DMINISTERING VLAN S Example of a summary display for several VLANs: Select menu option (bridge/vlan): summary Select bridge(s) by slot (2-3,5,7,12|all): 2 Index Protocol Identifier Ports 1 default 0 1-18 Index Name Layer 3 1 none Example of a detailed display for the VLANs: Select...

Page 73 - Displaying VLAN Information; describes these statistics.

Displaying VLAN Information D-3 Table D-1 describes these statistics. Table D-1 Field Attributes for VLAN Information Field Description Index A system-assigned index used for identifying a particular VLAN Protocol The protocol suite of the VLAN Identifier A unique, user-defined (4-byte) integer for ...

Page 74 - bridge vlan define; OR; undefined

D-4 A PPENDIX D: A DMINISTERING VLAN S Defining VLAN Information for aTraditional Bridge Follow these steps to create a VLAN definition for a traditional bridge, such as an EFSM or a TMM: 1 From the top level of the Administration Console, enter: bridge vlan define 2 Enter the slot number for the br...

Page 75 - Defining VLAN Information for an HSI Switch Engine; define; Enter Integer VLAN Identifier:; SD Marketing; Enter IP Subnet Address:; The maximum number of VLANs you can define on a single bridge is 32.

Defining VLAN Information for an HSI Switch Engine D-5 9 Enter the subnetwork mask. Example: menu option (bridge/vlan): define Select bridge(s) by slot (2-3,5,7,9-12) [2]: 5 Enter Protocol Suite (IP,IPX,Apple,XNS,DECnet,SNA, Vines,X.25,NetBIOS,default): IP Enter Integer VLAN Identifier: 1 Enter VLAN...

Page 77 - Modifying VLAN Information; bridge vlan modify

Modifying VLAN Information D-7 Modifying VLAN Information To modify VLAN information for a traditional bridge: 1 From the top level of the Administration Console, enter: bridge vlan modify You are prompted to reenter the information that defines the VLAN. Press the Return or Enter key to accept any ...

Page 78 - Follow these steps to remove a VLAN definition:; bridge vlan remove; Enter the slot number for the bridge.

D-8 A PPENDIX D: A DMINISTERING VLAN S Removing VLAN Information Follow these steps to remove a VLAN definition: 1 From the top level of the Administration Console, enter: bridge vlan remove 2 Enter the slot number for the bridge. 3 Enter the indexes for the VLANs you want to remove. Example: Select...

Page 79 - World Wide Web site; automated fax service; World Wide Web Site; Net Age; Com Bulletin Board

E T ECHNICAL S UPPORT 3Com provides easy access to technical support information through a variety of services. This appendix describes these services. Information contained in this appendix is correct at time of publication. For the very latest, we recommend that you access 3Com Corporation’s World...

Page 80 - Access by Analog Modem; Country

E-2 A PPENDIX E: T ECHNICAL S UPPORT Access by Analog Modem To reach the service by modem, set your modem to 8 data bits, no parity, and 1 stop bit. Call the telephone number nearest you: Access by Digital Modem ISDN users can dial in to 3ComBBS using a digital modem for fast access up to 56 Kbps. T...

Page 81 - Support from Your Network Supplier; ComForum on; Log on to your CompuServe account.; go threecom; A list of system hardware and software, including revision levels

Support from Your Network Supplier E-3 Local access numbers are available within the following countries: 3ComForum on CompuServe Online Service 3ComForum contains patches, software, drivers, and technical articles about all 3Com products, as well as a messaging section for peer support. To use 3Com...

Page 82 - Support from 3Com; Australia

E-4 A PPENDIX E: T ECHNICAL S UPPORT Support from 3Com If you are unable to receive support from your network supplier, technical support contracts are available from 3Com. Contact your local 3Com sales office to find your authorized service provider using one of these numbers: Regional Sales Office...

Page 83 - Returning Products for Repair; Latin America

Returning Products for Repair E-5 Returning Products for Repair Before you send a product directly to 3Com for repair, you must first obtain a Return Materials Authorization (RMA) number. Products sent to 3Com without RMA numbers will be returned to the sender unopened, at the sender’s expense. To o...

Page 85 - Com Corporation; IMITED

3Com Corporation L IMITED W ARRANTY The duration of the warranty for the CoreBuilder ™ 6000 Extended Switching Software, 3C96270B2, is ninety (90) days. H ARDWARE 3Com warrants its hardware products to be free from defects in workmanship and materials, under normal use and service, for the following...