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Part No. 031496-00, Rev. C
September 2005
OmniSwitch 6624/6648/
6800/7700/7800/8800
Troubleshooting Guide
www.alcatel.com
OmniSwitch Troubleshooting Guide September 2005 i
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This troubleshooting guide documents OmniSwitch 6624/6648/770/7800/8800 hardware, including chassis and associated components, and Release 5.1 software. The specifications described in this guide are subject to change without notice. Copyright © 2006 by Alcatel Internetworking, Inc. All rights reserved. This document may not be repro- duced in whole or in part without the express written permission of Alcatel Internetworking, Inc. ® ® ® ® Alcatel and the Alcatel logo are registered trademarks
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Contents About This Guide .........................................................................................................xv Supported Platforms ......................................................................................................... xv Who Should Read this Manual? ...................................................................................... xvi When Should I Read this Manual? .................................................................................. xv
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Verify Source Learning ...................................................................................................2-6 Verify Switch Health .......................................................................................................2-7 Verify ARP ......................................................................................................................2-7 Using the Log File ..............................................................................................
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GMIGBPDU ....................................................................................................4-16 GM2FIXED .....................................................................................................4-17 VMADDVPA ..................................................................................................4-17 VMDELVPA ...................................................................................................4-17 VMDEFVPA .....................................
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Troubleshooting a DNS Failure ......................................................................................6-2 Starting the Troubleshooting Procedure ...................................................................6-2 Layer 7 DNS or Name Resolution Issue ..................................................................6-2 DNS Configuration Considerations ................................................................................6-3 Chapter 7 Troubleshooting Link Aggregation ...
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Dshell ..............................................................................................................................9-6 NI Debug Dshell .......................................................................................................9-6 6800 Group Mobility Troubleshooting ...........................................................................9-7 show vlan rules .........................................................................................................9-7
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Dshell Troubleshooting .................................................................................................11-8 Viewing the ARP Table on OmniSwitch 6624/6648 Switches ............................11-10 Chapter 12 Troubleshooting IP Routing ...................................................................................12-1 In This Chapter ..............................................................................................................12-2 Introduction ................
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Dshell Troubleshooting .................................................................................................14-9 Chapter 15 Troubleshooting DVMRP ........................................................................................15-1 In This Chapter ..............................................................................................................15-1 Introduction .........................................................................................................
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Multicast Group Status is Shown as Disabled .....................................................16-27 PIM-SM Limitations ............................................................................................16-28 Upstream Neighbor/Next Hop Debug Commands ...............................................16-28 Chapter 17 Troubleshooting Server Load Balancing ...........................................................17-1 In This Chapter ........................................................
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Chapter 19 Troubleshooting 802.1X .........................................................................................19-1 In This Chapter ..............................................................................................................19-1 Troubleshooting with the CLI .......................................................................................19-2 Troubleshooting Using Debug CLI ...............................................................................19-4 Dshe
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Calendar Manager Module ....................................................................................A-19 Data Port Output Module ......................................................................................A-19 Nantucket Redundancy .........................................................................................A-19 Roma ............................................................................................................................A-22 Functional Description
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Bus Mapping on OmniSwitch 7700/7800/8800 Switches ...........................................A-42 Xybus Mapping .....................................................................................................A-42 Fbus Mapping ........................................................................................................A-42 Falcon (OmniSwitch 7700/7800) Fbus Mapping ...........................................A-42 Eagle (OmniSwitch 8800) Fbus Mapping ................................
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xiv OmniSwitch Troubleshooting Guide September 2005
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About This Guide This OmniSwitch Troubleshooting Guide describes how to use Command Line Interface (CLI) and Dshell commands available on the OmniSwitch 6600 Family, OmniSwitch 6800 Series, OmniSwitch 7700/7800, and the OmniSwitch 8800 to troubleshoot switch and network problems. Supported Platforms This information in this guide applies to the following products: • OmniSwitch 6624 (OmniSwitch 6600-24) OmniSwitch 6648 (OmniSwitch 6600-48) OmniSwitch 6600-P24 OmniSwitch 6600-U24 OmniSw
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Note. Troubleshooting documentation for legacy products (e.g., Omni Switch/Router) can be downloaded at http://support.ind.alcatel.com/releasefiles/indexpage.cfm. Who Should Read this Manual? The principal audience for this user guide is Service and Support personnel who need to troubleshoot switch problems in a live network. In addition, network administrators and IT support personnel who need to configure and maintain switches and routers can use this guide to troubleshoot a problem upon ad
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Related commands. Release history, which indicates the release when the command was introduced. Appendix D provides a list of useful VI editor commands and a sample VI session that modifies the boot.params file. What is Not in this Manual? This guide is intended for troubleshooting switches in live networks. It does not provide step-by-step instructions on how to set up particular features on the switch or a comprehensive reference to all CLI commands available in the OmniSwitch. For deta
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OmniSwitch 6800 Series Hardware Users Guide Complete technical specifications and procedures for all OmniSwitch 6800 chassis, power supplies, fans, uplink modules, and stacking modules. OmniSwitch 7700/7800 Hardware Users Guide Complete technical specifications and procedures for all OmniSwitch 7700 and 7800 chassis, power supplies, fans, and Network Interface (NI) modules. OmniSwitch 8800 Hardware Users Guide Complete technical specifications and procedures for all OmniSwitch 8800 chas
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OmniSwitch 7700/7800/8800 Network Configuration Guide Includes network configuration procedures and descriptive information on all the major software features and protocols included in the base software package. Chapters cover Layer 2 information (Ethernet and VLAN configuration), Layer 3 information (routing protocols, such as RIP and IPX), security options (authenticated VLANs), Quality of Service (QoS), link aggregation, and server load balancing. OmniSwitch 6600 Family Advanced Routi
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Before Calling Alcatel’s Technical Assistance Center Before calling Alcatel’s Technical Assistance Center (TAC), make sure that you have read through the appropriate section (or sections) and have completed the actions suggested for your system’s problem. Additionally, do the following and document the results so that the Alcatel TAC can better assist you: Have a network diagram ready. Make sure that relevant information is listed, such as all IP addresses and their associated network masks
