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SSIM-H2-02 Fast Ethernet - Translational Switch SmartStack Interface Module Installation and User Guide

Table of Contents

1. Introduction

1

MIB Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2. Installation

5

Package Contents  . . . . . . . . . . .  . .  . . . . . . . . . . . .  5
Installation Procedure   . . . . . . . . .  . .  . . . . . . . . . . . .  6
Physical Installation   . . . . . . . . . .  . .  . . . . . . . . . . . .  7
Software Installation  . . . . . . . . . .  . .  . . . . . . . . . . . .  8

TFTP Download . . . . . . . . . . . . . . . . . . . . . . . . 8
Serial Download . . . . . . . . . . . . . . . . . . . . . . . . 9

Cabling . .  . .  . .  . . . . . . . . . . .  . .  . . . . . . . . . . .   10
LEDs  . . .  . .  . .  . . . . . . . . . . .  . .  . . . . . . . . . . .   10
Power-On Self Test   . . . . . . . . . .  . .  . . . . . . . . . . .   11
Configuration .  . .  . . . . . . . . . . .  . .  . . . . . . . . . . .   12

Default Configuration . . . . . . . . . . . . . . . . . . . . . 12

3. Configuration

13

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Ports, Port Groups and VLANs. . .  . .  . . . . . . . . . . .   14
TS Virtual Ports and VLAN Tagging  . .  . . . . . . . . . . .   15
Virtual Port Restriction  . . . . . . .  . .  . . . . . . . . . . .   15
Ring Number Restriction . . . . . .  . .  . . . . . . . . . . .   15

Bridging Modes . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Source Routed Switching (SRS) Operation Mode . . . . . .   16
Source Routed Transparent Bridging (SRT) Mode. . . . . .   16
Source Routed Bridging (SRB) Mode  .  . . . . . . . . . . .   17

Redundant Connections to Fast Ethernet Network . . . . . . . 19

Network Scenarios . . . . . . . . .  . .  . . . . . . . . . . .   19
Spanning Tree Configuration. . . .  . .  . . . . . . . . . . .   21
Technical Background  . . . . . . .  . .  . . . . . . . . . . .   24

General Guidelines . . . . . . . . . . . . . . . . . . . . . . . . 26

Navigating Within the Menus . . . . . . . . . . . . . . . . . 27

Configuration Overview . . . . . . . . . . . . . . . . . . . . . 27
VLAN Configuration . . . . . . . . . . . . . . . . . . . . . . . 28

BRF Configuration . . . . . . . . . . . . . . . . . . . . . . 28
Local VLAN Port Configuration. . . . . . . . . . . . . . . . 28

Port Configuration - TS Ports. . . . . . . . . . . . . . . . . . . 28

Virtual Port Configuration. . . . . . . . . . . . . . . . . . . 29

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Содержание SSIM-H2-02

Страница 1: ...SSIM H2 02 Fast Ethernet Translational Switch SmartStack Interface Module Installation and User Guide...

Страница 2: ...NDIRECT SPECIAL OR CONSEQUENTIAL DAMAGES WHATSOEVER INCLUDING BUT NOT LIMITED TO LOST PROFITS ARISING OUT OF OR RELATED TO THIS MANUAL OR THE INFORMATION CONTAINED IN IT EVEN IF CABLETRON SYSTEMS HAS...

Страница 3: ...ch case the user will be required to correct the interference at his own expense WARNING Changes or modifications made to this device which are not expressly approved by the party responsible for comp...

Страница 4: ...and Conformance to Directive s Product Standards EC Directive 89 336 EEC EC Directive 73 23 EEC EN 55022 EN 50082 1 EN 60950 Equipment Type Environment Networking Equipment for use in a Commercial or...

Страница 5: ...iv Notice...

Страница 6: ...4 Ports Port Groups and VLANs 14 TS Virtual Ports and VLAN Tagging 15 Virtual Port Restriction 15 Ring Number Restriction 15 Bridging Modes 16 Source Routed Switching SRS Operation Mode 16 Source Rout...

Страница 7: ...SNA Conversion Parameters Change 38 Other Frames w SNAP Conversion Status 40 Other Frames w SNAP Conversion Parameters Change 40 Other Frames w o SNAP Conversion Status 42 Other Frames w o SNAP Conver...

Страница 8: ...7 Figure 3 Installing the SSIM H2 02 8 Figure 4 Ethernet CRF in SRT Bridging Mode 16 Figure 5 Ethernet CRF in SRB Bridging Mode 17 Figure 6 Frame Duplication 18 Figure 7 Frame Looping 19 Figure 8 Bro...

Страница 9: ...ormat 35 Table 13 NOVELL Ethernet Format 35 Table 14 NOVELL Source Routing 36 Table 15 Novell Explorer Frames Type 36 Table 16 NetBios Token Ring Format 37 Table 17 NetBios Ethernet Format 37 Table 18...

Страница 10: ...ots on the SmartStack STS16 20RM switch Figure 1 SSIM H2 02 Switch SmartStack Interface Module The SSIM H2 02 conforms to the IEEE standard 802 3U for 100 Mbps Fast Ethernet 100BASE TX A Translational...

Страница 11: ...nslation IP multicasts translated to a single functional address on the Token Ring side and IP multicasts on the Token Ring side translated to multiple MAC addresses on the Ethernet side IP fragmentat...

Страница 12: ...ich can provide a redundant host connection two gateways have the same MAC address but are on different rings and due to the source routing discovery process the SNA sessions are randomly distributed...

Страница 13: ...SmartStack Interface Module Installation and User Guide Introduction MIB Support RFC 1213 MIB II RFC 1493 Bridge MIB RFC 1525 SR Bridge MIB RFC 1573 Evaluation of Interfaces Group of MIB II RFC 1650 D...

Страница 14: ...cedure Hardware Installation Software Installation Cabling LEDs Power On Self Test Configuration Package Contents Your SSIM H2 02 package contains the following items One SmartStack SSIM H2 02 2 Port...

Страница 15: ...the NVRAM in the base switch This will erase all configuration in the switch 3 Reset the switch to activate the new software 4 If the NVRAM was cleared in step 2 re establish the switch configuration...

Страница 16: ...d this may in some cases corrupt the configuration Use the following steps to install the module in a SmartStack STS16 20RM Token Ring Switch 1 Power off the base switch by unplugging the power cord f...

Страница 17: ...software image can be downloaded to the module via TFTP or via a serial line Search the disks supplied with the module for a file named FEyyzz BIN The letters yyzz in the file name represent the versi...

Страница 18: ...d When the software installation is complete the module is started for normal operation and the following message is displayed Press RETURN to continue Note Remember that new module software is active...

Страница 19: ...5 cable 100 10 MB Ethernet switch or hub port using the standard UTP 5 cable LEDs There are eight LEDs on the front panel of the SSIM H2 02 During normal operation the two LEDs on the left side of th...

Страница 20: ...ts a few minutes If no problems are found the DIAG and ERR LEDs turn off and the module enters its normal operational state If a problem is found the DIAG LED will turn off and the ERR LED will remain...

Страница 21: ...ored by the switch and not in the module This means that the modules can be exchanged without reconfiguring the switch Note however that the module software image is stored on the SSIM H2 02 itself an...

Страница 22: ...odified from a remote VT100 console via a Telnet session The manual supplied with the SmartStack STS16 20RM Token Ring Switch describes how to connect a network management console This chapter is divi...

Страница 23: ...to 63 VLANs A VLAN forms a single bridged domain and the visibility of MAC addresses bridge and ring numbers as well as the scope of broadcast frames are limited to the VLAN in which they originate F...

Страница 24: ...It also contains a 3 bit priority field described in FC Modification on page 31 Each TS port can be assigned to several CRFs but there can be only one TS port per BRF VLAN A virtual port is created fo...

Страница 25: ...nk is used to connect to the Ethernet cloud IEEE spanning tree on the CRF should be enabled Source Routed Transparent Bridging SRT Mode Note SRT is the suggested mode of operation If multiple CRFs are...

Страница 26: ...d into one CRF If a CRF is created in SRB Bridging mode and spanning tree is to be used IEEE STP must be manually configured on the BRF and CRF Note that this translational CRF is used only on the Tok...

Страница 27: ...formation during translation from Token Ring to Ethernet format There are however solutions to both problems Infinite frame loops are eliminated by using a common LAN segment number for the entire Eth...

Страница 28: ...e switch connected to Ring1 This issue can be resolved by making sure that only one translational link can be in the forwarding state Preventing Frame Looping The network presented in Figure 6 was fre...

Страница 29: ...configured To avoid such hazardous situations follow the recommendations for the spanning tree parameter described below Figure 8 Broken Ethernet Cloud Spanning Tree Configuration Running the IEEE Spa...

Страница 30: ...e Primary is active Secondary 2 for a second backup connection to the Ethernet cloud This connection is always blocking if the Primary or the Secondary 1 are active Each CRF of translational links con...

Страница 31: ...he configuration has one primary connection to one of the two Ethernet clouds and one secondary connection to the other cloud This way redundancy for both Ethernet clouds is provided while at the same...

Страница 32: ...l link and exists only for spanning tree purposes The spanning tree cost of each primary connection remains unmodified Note that in the Secondary 1 and Secondary 2 connections different values are add...

Страница 33: ...t the cost of the Secondary link is 20 000 higher than the cost of the primary link seen by TR Switch 1 and Ethernet Switch 1 This means that the secondary link will be blocked on one of its ends To m...

Страница 34: ...the numerical order of a list To return to the main menu from any screen within the menus press CTRL P Note that any changes made to the screen are not saved To return to the greeting screen press CTR...

Страница 35: ...is a menu pressing the ENTER key displays a new screen of information if the selection is a command such as Reset pressing the ENTER key initiates that function A heading with an ellipsis three dots a...

Страница 36: ...virtual port in each VLAN Optional create new CRFs to make sure that the CRFs do not have conflicting ring numbers as discussed in the Ring Number Restriction on page 15 Configure the virtual ports i...

Страница 37: ...The 802 1Q VLAN ID should not be confused with the existing VLAN ID which is a number chosen by the user and used by the Token Ring switch to index CRFs and BRFs By default the 802 1Q VLAN ID is set t...

Страница 38: ...mask for which messages are logged in the message log Used mainly by Cabletron Systems support for debugging purposes Virtual Port Configuration To configure a virtual port on a TS port select Virtual...

Страница 39: ...nt of broadcast frames being forwarded from the TS side of the virtual port to the switch Default Disabled Value Meaning Admin down The port or virtual port is disabled Waiting for port up The virtual...

Страница 40: ...s set to the frame tag priority If FC modification is disabled the FC priority is set to 0 and the frame tag priority is discarded When the SSIM H2 02 inserts a frame tag in a frame and FC modificatio...

Страница 41: ...n To configure frame conversion on a TS port select Frame Conversion Configuration on the Virtual Port Configuration menu of the TS port The following menu options are listed IP Conversion Status IP c...

Страница 42: ...s or disables Source Routing in IP frames transmitted to Token Ring Default SR Format Meaning 802 3 SNAP Frame in the IEEE 802 3 format with SNAP Ethernet II Frame in Ethernet II format Table 8 IP Eth...

Страница 43: ...bles fragmentation of IP frames received from Token Ring and transmitted to Ethernet The possible values are Enabled and Disabled Default Enabled TR MAC Address for IP Multicasts Allows entering the I...

Страница 44: ...t Enabled NOVELL Token Ring Format Sets the format of Novell frames on Token Ring Default 802 5 NOVELL Ethernet Format Sets the format of Novell frames on Ethernet Default 802 3 Format Meaning Novell...

Страница 45: ...ay only Shows the current status of the NetBios Conversion Possible values are Enabled and Disabled NetBios Conversion Parameters Change To change NetBios conversion parameters select NetBios conversi...

Страница 46: ...net Default 802 3 Source Routing Enables or disables Source Routing in NetBios frames transmitted to Token Ring Default SR Format Meaning 802 5 Frame in the IEEE 802 5 format Table 16 NetBios Token Ri...

Страница 47: ...rrent status of the SNA Conversion Possible values Enabled and Disabled SNA Conversion Parameters Change To change SNA conversion parameters select SNA conversion parameters change on the Frame Conver...

Страница 48: ...bles or disables Source Routing in SNA frames transmitted to Token Ring Default SR Format Meaning 802 3 Frame in the IEEE 802 3 format Ethernet II Frame in Ethernet II format Table 21 SNA Ethernet For...

Страница 49: ...ters select Other Frames w SNAP conversion parameters change on the Frame Conversion Configuration menu of the TS port Other Frames w SNAP Frames Conversion Sets the state of the Other Frames w SNAP F...

Страница 50: ...Frames w SNAP traffic Default ARE Other Frames w o SNAP Conversion Status Display only Shows the current status of the Other Frames Without SNAP Format Meaning 802 3 SNAP Frame in the IEEE 802 3 forma...

Страница 51: ...er Frames w o SNAP Frames Conversion Sets the state of the Other Frames w o SNAP frames Conversion Possible values are Enabled and Disabled If the state is set to Disabled Other Frames w o SNAP traffi...

Страница 52: ...Port on each TS port 10 addresses can be configured as Dual Home FEP addresses A constant list of 10 MAC addresses numbered 1 10 is shown when this menu is opened Addresses which consist entirely of...

Страница 53: ...44 SSIM H2 02 Fast Ethernet Translational Switch SmartStack Interface Module Installation and User Guide Configuration...

Страница 54: ...tics 4 Statistics A wide range of statistics is available for the SmartStack Token Ring Switch The following topics are discussed in this chapter Port Status Port Statistics General Statistics Discard...

Страница 55: ...essage Log Information Display Summary The menu items in the Statistics menu are all described in the guide for the SmartStack Token Ring Switches For general information about these menu items refer...

Страница 56: ...ts this is the enabled and inserted status This does not apply to virtual ports on a TS port Instead the current state of the virtual port is displayed For details refer to the description of virtual...

Страница 57: ...me and Byte Counters The following frame and byte counters are defined Received Frames received from TS but not necessarily forwarded Forwarded Frames received from TS and forwarded to other ports in...

Страница 58: ...istics display the screen shows the number of frames discarded on the TS port in both inbound from TS and outbound to TS directions The discard reasons are described below Discarded Inbound Frames The...

Страница 59: ...id Frame Header Tag A frame could not be transmitted because it has an invalid internal frame header tag note that this internal frame header tag is not the same thing as the VLAN tag Table Blocked Vi...

Страница 60: ...is dialog box The dialog box displays IEEE 802 3 traffic and error counters for the selected port All counters are retrieved from a physical layer of the uplink and automatically updated every 5 secon...

Страница 61: ...ber of frames dropped because of short circuits Open Circuits Number of frames dropped because of open circuits Remote Failures Number of frames dropped because of remote failures CRC Errors Number of...

Страница 62: ...ansmitted on this virtual port Frames Received The number of frames received but not necessarily forwarded on this virtual port Reset The time since these counters were last restarted Select Reset to...

Страница 63: ...ped because this translation is disabled or inbound frames are received from Ethernet in a format different than that specified in the TS configuration dialog Other w o SNAP Number of frames dropped b...

Страница 64: ...SNA Number of frames dropped because SNA translation is disabled Other w SNAP Number of frames dropped because translation is disabled for other frames with SNAP Other w o SNAP Number of frames dropp...

Страница 65: ...d User Guide Statistics Generic w o SNAP Number of frames dropped because of translation errors for generic frames without SNAP Fragmentation Error TCP IP only Number of frames dropped because IP frag...

Страница 66: ...c The serial and revision numbers of all involved Cabletron Systems products in the network A description of your network environment layout cable type etc Network load and frame size at the time of t...

Страница 67: ...58 SSIM H2 02 Fast Ethernet Translational Switch SmartStack Interface Module Installation and User GuideGetting in Touch with Technical Support...

Страница 68: ...eck CRF Concentrator Relay Function DA Destination Address DSAP Destination SAP DTR Dedicated Token Ring ECO Engineering Check Order FC Frame Control FCS Frame Check Sequence FDX Full Duplex HDX Half...

Страница 69: ...ork Access Protocol SNMP Simple Network Management Protocol SR Source Routing SRB Source Route Bridging SRF Specifically Routed Frame SRS Source Route Switching SRT Source Route Transparent SSAP Sourc...

Страница 70: ...ther frames w o SNAP conversion parameters change 42 other frames w o SNAP conversion status 41 other frames w SNAP conversion parameters change 40 other frames w SNAP conversion status 40 SNA convers...

Страница 71: ...index 2 SSIM H2 02 Fast Ethernet Translational Switch SmartStack Interface Module Installation and User Guide Index V VLAN configuration 28 BRF configuration 28 local VLAN port configuration 28...

Страница 72: ...710001816...

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