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Cabletron Systems 3T02-04 manual ARP Translation

Models: 3T02-04

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Chapter 3: Conﬁguring

ATX> translate

To display the translations that have been activated for indicated ports, enter translate followed by a Token Ring port range. For example:

ATX> translate 2-4

To display the options that are available for the speciﬁed translation type, enter:

ATX> translate port range translation type

Token Ring ports may have any combination of the different translation types. To enable the translation type in the manner speciﬁed by option for the indicated ports, enter:

ATX> translate {port range} {translation type} option

To disable all translation types for the indicated ports enter:

ATX> translate {port range} none

3.6.1ARP Translation

The ARP translation options are intended to compensate for any likely implementation of IP's ARP on 802.5 Token Rings. The possibilities for option are the following:

•Off – no special ARP translation to be performed

•Bitswap1 – embedded MAC addresses for ARP packets with hardware type 1 (Ethernet) will be bit swapped (this applies to all ARP packets received by the port, and to all ARP packets to be transmitted by the port).

•Bitswap6 – embedded MAC addresses for ARP packets with hardware type 6 (IEEE 802) will be bit swapped (this applies to all ARP packets received by the port, and to all ARP packets to be transmitted by the port).

•Bitswap61 – both type 1 and type 6 ARP packets will be bit swapped.

•Oneto6 – incoming type 6 ARP packets will be changed to type 1 and outgoing type 1 ARP packets will be changed to type 6, both without bit swapping.

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Token Ring Switch Module User Guide

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Cabletron Systems 3T02-04 manual ARP Translation

Contents

TOKEN RING SWITCH MODULE 3T02-04 AND 3T01-04 USER GUIDE Page Token Ring Switch Module User Guide Token Ring Switch Module User Guide FCC NOTICEDOC NOTICE VCCI NOTICEEXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITY Token Ring Switch Module User GuideCABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT CABLETRON SOFTWARE PROGRAM LICENSEToken Ring Switch Module User Guide UNITED STATES GOVERNMENT RESTRICTED RIGHTSCONTENTS CHAPTER 2 CONNECTING TO THE NETWORKCONFIGURING Token Ring Switch Module User GuideContents CHAPTER 5 DIAGNOSTICS AND TROUBLESHOOTINGTECHNICAL SPECIFICATIONS Token Ring Switch Module User GuideCHAPTER INTRODUCTION 1.1 DOCUMENT CONVENTIONS 1.2 RELATED MANUALS 1.3 GETTING HELPanonymous your email address1.4 GENERAL DESCRIPTION 1.6 CONNECTORS 1.5 STANDARDSFigure 1-1 ATX Front Panel Figure 1-2 3T02-04 and 3T01-04 Front Panels1.7 LEDs Token Ring Switch Module User GuideChapter 1 Introduction PageCHAPTER CONNECTING TO THE NETWORK 2.2 POWER-UP LED SEQUENCE2.1 INTRODUCTION 2.3 TYPICAL CONFIGURATIONS 2.4 CONNECTING THE TOKEN RING MODULE TO A HUB2.4.1 Unshielded Twisted Pair Chapter 2 Connecting to the Network2.4.2 Shielded Twisted Pair Figure 2-2 Connecting a Token Ring Module to an STP MAU CHAPTER CONFIGURING 3.1 INTRODUCTION3.2 CONNECTING THE LCM 3.3 LCM COMMANDS3.4 SETTING THE RING SPEED 3.5 CONFIGURING THE BRIDGING TYPE 3.5.1 Transparent3.5.2 Source Routing and SRT 3.5.2.1 Bridging Method3.5.2.2 Segment Number 3.5.2.3 Bridge Number 3.6 TRANSLATION OPTIONS3.6.1 ARP Translation 3.6.2 Source Routing ARP Translation 3.6.3 IPX Translation3.6.4 AppleTalk Translation Off - perform no translation On - translate the packets Token Ring Switch Module User Guide Chapter 3 ConﬁguringPage CHAPTER STATISTICS 4.1 DISPLAYING PORT STATUSDisabled - The port is not conﬁgured for Spanning Tree RXQ Overﬂows - number of incoming packets dropped by the port due to a lack of buffers. This entry shows status only it is not selectable. After a reboot, the ATX tries to automatically re-allocate the Small Buffers among the ports so that the total number of RXQ Overﬂows is minimized 4.2 MODULE STATISTICS Table 4-1 Destination Addresses and Forwarding OutcomesDestination Address Forwarding OutcomesifTxSizes - The number of packets not sent due to size limitations Token Ring Switch Module User Guide Chapter 4 StatisticsPage CHAPTER DIAGNOSTICS AND TROUBLESHOOTING 5.1 POWER-UP DIAGNOSTICS 5.1.1 Power-up Tests5.1.2 Power-up Results 5.2 OPERATIONAL DIAGNOSTICS 5.2.1 Loopback TestsChapter 5 Diagnostics and Troubleshooting 5.2.2 Diagnostic Results 5.3 TROUBLESHOOTING 5.3.1 If the Module Fails to Power Up5.3.2 Connectivity Problems 6.1 UNPACKING THE TOKEN RING SWITCH MODULE 6.2 ADDING A TOKEN RING SWITCH MODULECHAPTER ADDING/SWAPPING MODULES Delete all static addresses 6.3 SWAPPING A MODULE Token Ring Switch Module User Guide Chapter 6 Adding/Swapping ModulesPage APPENDIX A TECHNICAL SPECIFICATIONS DB9 for STP RJ45 for UTP APPENDIX B BRIDGING METHODS B.1 OVERVIEWB.2 TRANSPARENT BRIDGING Appendix B Bridging MethodsB.3 SOURCE ROUTING BRIDGING Figure B-1 Source Routing ExampleFigure B-2 Data Path Using Source Routing Bridging Station AStation C B.4 SOURCE ROUTING TRANSPARENT BRIDGING Token Ring Switch Module User Guide Appendix B Bridging MethodsPage B-6 INDEX Token Ring Switch Module User Guide IndexIndex-2