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Cisco Catalyst 6500 Series Switches

Troubleshooting TechNotes

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Cisco Catalyst 6509 Switch
- WS-X6608-T1/E1 Digital Gateway Card on the Catalyst 6000 Platform Problem Resolution
  02/Feb/2006
Best Practices
- Best Practices for Catalyst 4500/4000, 5500/5000, and 6500/6000 Series Switches Running CatOS Configuration and Management
  29/Nov/2007
Configuration and Troubleshooting - Spanning Tree Protocol
- Configuring MST (802.1s)/RSTP (802.1w) on Catalyst Series Switches Running CatOS
  16/Nov/2007
- Spanning Tree PortFast BPDU Guard Enhancement
  01/Sep/2005
- Spanning Tree Protocol Root Guard Enhancement
  30/Aug/2005
- Spanning-Tree Protocol Enhancements using Loop Guard and BPDU Skew Detection Features
  22/Jan/2007
- Understanding and Configuring Backbone Fast on Catalyst Switches
  30/Aug/2005
- Understanding and Configuring the Cisco UplinkFast Feature
  29/Apr/2007
- VLAN Load Balancing Between Trunks Using the Spanning-Tree Protocol Port Priority
  30/Aug/2005
Configuration and Troubleshooting - SPAN and ARP
- Catalyst Switched Port Analyzer (SPAN) Configuration Example
  16/Jul/2007
- Catalyst 6500/6000 Switches ARP or CAM Table Issues Troubleshooting
  04/Jan/2007
Configuration and Troubleshooting - VLAN, VTP, Layer 3 and MLS
- Catalyst 2948G-L3 Sample Configurations - Full Device Configurations
  16/Nov/2007
- Configuring and Troubleshooting IP MLS on Catalyst 6500/6000 Switches with an MSFC
  30/Aug/2005
- Configuring InterVLAN Routing Using an Internal Router (Layer 3 Card) on Catalyst 5500/5000 and 6500/6000 Switches That Run CatOS System Software
  30/Aug/2005
- Private VLAN Catalyst Switch Support Matrix
  08/Dec/2006
- Supported Platforms for Unique MAC Address Configuration on VLAN or L3 Interfaces for Catalyst Switches
  02/Mar/2007
- System Requirements to Implement MLS
  30/Aug/2005
- Troubleshooting IP Multilayer Switching
  09/Dec/2005
- Troubleshooting the Catalyst VMPS Switch
  30/Aug/2005
- Understanding Issues Related to Inter-VLAN Bridging
  09/Sep/2005
- Understanding VLAN Trunk Protocol (VTP)
  30/Jul/2007
Configuration and Troubleshooting - EtherChannel and Trunking (802.1Q/ISL)
- Configure EtherChannel Between Catalyst 4500/4000, 5500/5000, and 6500/6000 Switches That Run CatOS System Software
  14/Aug/2006
- Configuring ISL Trunking on Catalyst 5500/5000 and 6500/6000 Family Switches
  07/Dec/2007
- System Requirements to Implement EtherChannel on Catalyst Switches
  11/Jul/2007
- Trunking Between Catalyst 4500/4000, 5500/5000, and 6500/6000 Series Switches Using 802.1Q Encapsulation with Cisco CatOS System Software
  26/May/2006
- Understanding EtherChannel Load Balancing and Redundancy on Catalyst Switches
  09/Jul/2007
Configuration and Troubleshooting - General
- Cisco IOS Server Load Balancing: Real Server Configuration
  18/Jan/2006
- Comparing Layer 2 Operations in CatOS and Cisco IOS System Software on the Catalyst 6500/6000
  10/Jan/2006
- Configuring a Management IP Address on Catalyst 4500/4000, 5500/5000, 6500/6000, and Catalyst Fixed Configuration Switches
  15/Mar/2006
- Configuring and Troubleshooting Ethernet 10/100/1000Mb Half/Full Duplex Auto-Negotiation
  09/Jul/2007
- Configuring System Information on Catalyst Switches
  13/Dec/2005
- Connect the CSS 11000 to a Catalyst 6000 with the Gigabit Ethernet Interface
  30/Jan/2006
- How to Configure SSH on Catalyst Switches Running CatOS
  19/Jan/2006
- How to Determine the Serial Number of Catalyst Switch Components
  01/Sep/2005
- Resetting Catalyst Switches to Factory Defaults
  21/Dec/2005
- Understanding and Configuring the Unidirectional Link Detection Protocol Feature
  09/Jul/2007
- Understanding and Troubleshooting the Autostate Feature in Catalyst Switches
  06/May/2005
- Understanding Internal MSFC Redundancy on Hybrid Mode Catalyst 6000 Switches
  01/Sep/2005
- Unicast Flooding in Switched Campus Networks
  17/Nov/2007
Configuration and Troubleshooting - IP Services
- Example NTP Configuration for High Availability Catalyst 6000 Switch
  23/Mar/2005
- Network Address Translation Catalyst Switch Support Matrix
  05/Apr/2006
- Troubleshooting Reverse Transparent Caching for WCCP
  02/Jan/2007
- Understanding and Troubleshooting DHCP in Catalyst Switch or Enterprise Networks
  21/Jul/2008
- Understanding and Troubleshooting HSRP Problems in Catalyst Switch Networks
  05/Jul/2007
Configuration and Troubleshooting - Multicast
- Constraining Multicast Traffic with Source and Receivers on the Same VLAN on Catalyst Switches Running Catalyst OS
  11/Jul/2007
- Multicast Catalyst Switches Support Matrix
  17/Jul/2006
- Multicast Does Not Work in the Same VLAN in Catalyst Switches
  16/Nov/2006
- Multicast in a Campus Network: CGMP and IGMP Snooping
  09/Mar/2007
- Rebuilding the Multicast Entries with CGMP and Spanning Tree Topology Changes
  20/Jul/2006
- Using RGMP: Basics and Case Study
  30/Aug/2005
Configuration and Troubleshooting - Quality Of Service(QoS)
- Catalyst 6500 Switches QoS Troubleshooting
  03/Oct/2006
- QoS Classification and Marking on Catalyst 6500/6000 Series Switches Running CatOS Software
  16/Nov/2007
- QoS Classification and Marking on Catalyst 6500/6000 Series Switches That Run Cisco IOS Software
  08/Dec/2005
- QoS Output Scheduling on Catalyst 6500/6000 Series Switches Running CatOS System Software
  13/Apr/2007
- QoS Output Scheduling on Catalyst 6500/6000 Series Switches Running Cisco IOS System Software
  02/Sep/2005
- QoS Policing on Catalyst 6500/6000 Series Switches
  02/Jan/2006
Connectors and Cabling, Connecting Terminal/Modem to Console
- Catalyst Switch Cable, Connector, and AC Power Cord Guide
  11/Jul/2007
- Connecting a Modem to the Console Port on Catalyst Switches
  27/Jun/2007
- Connecting a Terminal to the Console Port on Catalyst Switches
  16/Nov/2007
DLSw and MSFC
- DLSw+ and MSFC FAQ
Security and VPN
- Configuring TACACS+, RADIUS, and Kerberos on Cisco Catalyst Switches
  27/Dec/2007
- Securing Networks with Private VLANs and VLAN Access Control Lists
  08/May/2008
Software Conversion, Upgrade and Recovery
- System Software Conversion from CatOS to Cisco IOS for Catalyst 6500/6000 Switches
  12/Oct/2007
- Recovering a Catalyst 6500/6000 Running Cisco IOS System Software from a Corrupted or Missing Boot Loader Image or ROMmon Mode
  09/Aug/2006
- How to Convert a Catalyst 6500/6000 Supervisor Engine from Hybrid Mode (CatOS) to Native Mode (IOS) Using a Conversion Utility
  16/Aug/2006
- How to Upgrade Software Images on Catalyst Switch Layer 3 Modules
  04/Dec/2006
- Recovering Catalyst Switches Running CatOS from Booting Failures
  08/May/2006
- System Software Conversion from Cisco IOS to CatOS for Catalyst 6500/6000 Switches
  28/Feb/2007
- Recover an MSFC Missing from the Supervisor Engine show module Command
  13/Mar/2006
- Managing Software Images and Working with Configuration Files on Catalyst Switches
  31/Oct/2006
- Cisco EDI CatOS to IOS Configuration Conversion Tool
  05/Apr/2007
Troubleshooting Hardware
- Troubleshooting Hardware and Common Issues on Catalyst 6500/6000 Series Switches Running Cisco IOS System Software
  28/Apr/2008
- Troubleshooting Catalyst 6500/6000 Series Switches Running CatOS on the Supervisor Engine and Cisco IOS on the MSFC
  29/Jun/2007
- Hardware Requirements for Catalyst 6000/Catalyst 6500 Redundancy
  20/Sep/2005
- Troubleshooting Hardware and Related Issues on the MSFC, MSFC2, and MSFC2a
  17/Aug/2006
- Memory/Flash Size Supported in Catalyst Switch Platforms
  20/Mar/2008
- Hardware Failure Checklist for Catalyst 4500/4000, 5500/5000, and 6500/6000 Series Switches Running CatOS
  30/Aug/2005
- Power Management for Catalyst 6000 Series Switches
  15/Aug/2006
Troubleshooting Modules
- Understanding the Catalyst 6500 Switch Fabric Module with Supervisor Engine 2
  15/Dec/2005
- How to Determine the Type of Supervisor Module That Is Installed in Catalyst 6500/6000 Series Switches
  17/Feb/2006
- Troubleshoot Issues on dLFIoLL/dLFIoATM/dLFIoFR/dMLP/dMLFR Interfaces
  24/Jun/2008
- Troubleshooting EMANATE Subagent Error Message on WS-X6101-OC12 ATM Module
  14/Dec/2007
- Graceful Close on Content Switching Module Probes
  30/Nov/2005
Troubleshooting Switch Port Problems
- Troubleshooting Switch Port and Interface Problems
  21/Jul/2008
- Troubleshooting Cisco Catalyst Switches to NIC Compatibility Issues
  30/Aug/2005
- Using PortFast and Other Commands to Fix Workstation Startup Connectivity Delays
  17/Apr/2006
- Recovering From errDisable Port State on the CatOS Platforms
  20/Jun/2007
Troubleshooting System Crashes and High CPU utilization
- Catalyst 6500/6000 Switch High CPU Utilization
  29/Mar/2007
- Catalyst 6000/6500 System Crashes Troubleshooting
  23/Apr/2007
- IOS Catalyst 6500/6000 Resets with Error "System returned to ROM by power-on (SP by abort)"
  01/Sep/2005
Troubleshooting Tools
- Output Interpreter
- Smart Call Home
Troubleshooting – Unicast IP routing and common error messages
- Common CatOS Error Messages on Catalyst 6500/6000 Series Switches
  18/Jul/2008
- Common Error Messages on Catalyst 6500/6000 Series Switches Running Cisco IOS Software
  27/Feb/2008
- Troubleshoot Unicast IP Routing Involving CEF on Catalyst 6500/6000 Series Switches with a Supervisor Engine 2 and Running CatOS System Software
  05/Jun/2008
- Catalyst 6500/6000 Series Switches with Supervisor Engine 720 and Cisco IOS System Software Troubleshoot of Unicast IP Routing Problems That Involve CEF
  06/Jul/2006
Voice and Unified Communications
- Cisco AVVID Gateway Support for Fax Relay and Fax Pass-Through
  08/Jan/2007
- Faxing over IP Using Catalyst 6608 and VG248
  07/Feb/2007
- Understanding IP Phone In-Line Power Provisioning on the Catalyst 6500/6000 Switch
  07/Dec/2007
- Why Is the Voice Playback Slow and Distorted?
  02/Feb/2006
- Cisco Small Form-Factor Pluggable (SFP) Transceiver Modules Maintenance and Troubleshooting
  18/Jul/2008
- Common Causes of Slow IntraVLAN and InterVLAN Connectivity in Campus Switch Networks
  16/Nov/2007
- Configuring Secure Shell on Routers and Switches Running Cisco IOS
  28/Jun/2007
- Errdisable Port State Recovery on the Cisco IOS Platforms
  05/Jul/2007
- FWSM Failover Troubleshooting
  21/Mar/2008
- How LAN Switches Work
  01/Aug/2007
- How to Get Catalyst Switch Backplane Utilization Using SNMP
  21/May/2006
- Inter-Switch Link and IEEE 802.1Q Frame Format
  25/Aug/2006
- MS Windows Load Balancing Server: Issues with Switching and Routing
  04/Oct/2005
- Password Recovery Procedures
  17/Jan/2007
- Problems With VLAN Trunk Protocol (VTP) Pruning Over LAN Emulation (LANE)
  01/Jan/2007
- Replace a Failed Redundant Supervisor Module in the Catalyst 6500 Series Switches Running CatOS (Hybrid)
  08/Jun/2007
- Spanning Tree Protocol Problems and Related Design Considerations
  30/Aug/2005
- System Requirements to Implement Gigabit Ethernet on Catalyst Switches
  20/Dec/2005
- System Requirements to Implement Trunking
  10/Aug/2006
- Troubleshooting LAN Switching Environments
  06/Oct/2005
- Troubleshooting Spanning Tree PVID- and Type-Inconsistencies
  01/Sep/2005
- Troubleshooting STP on Catalyst Switches Running Cisco IOS System Software
  01/Sep/2005
- Troubleshooting Transparent Bridging Environments
  04/Oct/2005
- Troubleshooting VLAN Trunk Protocol (VTP)
  29/Jul/2007
- Understanding and Tuning Spanning Tree Protocol Timers
  30/Jan/2006
- Understanding EtherChannel Inconsistency Detection
  30/Aug/2005
- Understanding Spanning-Tree Protocol Topology Changes
  10/Oct/2005
- Understanding the Cisco IP Phone 10/100 Ethernet In-Line Power Detection Algorithm
  15/Aug/2006