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Cisco Catalyst 2950 Series Switches

Troubleshooting TechNotes

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Clustering
- Configuring and Analyzing Clustering on Catalyst Fixed Configuration Switches
  16/Nov/2007
- Troubleshooting Cisco Visual Switch Manager or Cluster Management Suite Access on the Catalyst Fixed Configuration Switches
  16/Nov/2007
Configuration
- Supported Platforms for Unique MAC Address Configuration on VLAN or L3 Interfaces for Catalyst Switches
  02/Mar/2007
- Understanding and Configuring the Unidirectional Link Detection Protocol Feature
  09/Jul/2007
Connecting Terminal/Modem to Console
- 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
Connectors and Cabling
- Catalyst Switch Cable, Connector, and AC Power Cord Guide
  11/Jul/2007
DHCP
- Understanding and Troubleshooting DHCP in Catalyst Switch or Enterprise Networks
  17/Nov/2008
EtherChannel
- System Requirements to Implement EtherChannel on Catalyst Switches
  11/Jul/2007
- Understanding EtherChannel Load Balancing and Redundancy on Catalyst Switches
  09/Jul/2007
General Connectivity
- Troubleshooting Cisco Catalyst Switches to NIC Compatibility Issues
  30/Aug/2005
- Unicast Flooding in Switched Campus Networks
  17/Nov/2007
- Using PortFast and Other Commands to Fix Workstation Startup Connectivity Delays
  17/Apr/2006
GigaStack
- Catalyst Switch GigaStack Configuration and Implications
  01/Sep/2005
Hardware
- Understanding Catalyst 2900 and Catalyst 4000 Naming Conventions
  25/Sep/2006
HSRP
- Understanding and Troubleshooting HSRP Problems in Catalyst Switch Networks
  05/Jul/2007
Management
- Configuring a Management IP Address on Catalyst 4500/4000, 5500/5000, 6500/6000, and Catalyst Fixed Configuration Switches
  15/Mar/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
- Managing Software Images and Working with Configuration Files on Catalyst Switches
  31/Oct/2006
- Resetting Catalyst Switches to Factory Defaults
  21/Dec/2005
Multicast
- Multicast Catalyst Switches Support Matrix
  17/Jul/2006
- Rebuilding the Multicast Entries with CGMP and Spanning Tree Topology Changes
  20/Jul/2006
Recovery from Corrupted or Missing Software
- Recovering Catalyst Fixed Configuration Switches from a Corrupted or Missing Image
  04/Jun/2007
Spanning Tree Protocol
- Spanning Tree PortFast BPDU Guard Enhancement
  01/Sep/2005
- Spanning Tree Protocol Root Guard Enhancement
  30/Aug/2005
- Understanding and Configuring Backbone Fast on Catalyst Switches
  30/Aug/2005
- Understanding and Configuring the Cisco UplinkFast Feature
  18/Aug/2008
- Using PortFast and Other Commands to Fix Workstation Startup Connectivity Delays
  17/Apr/2006
- VLAN Load Balancing Between Trunks Using the Spanning-Tree Protocol Port Priority
  30/Aug/2005
Switch Port Problems
- Configuring and Troubleshooting Ethernet 10/100/1000Mb Half/Full Duplex Auto-Negotiation
  09/Jul/2007
- Troubleshooting Switch Port and Interface Problems
  26/Sep/2008
Troubleshooting Tools
- Bug Toolkit
- Output Interpreter
VLAN and VTP
- Understanding VLAN Trunk Protocol (VTP)
  30/Jul/2007
VMPS
- Troubleshooting the Catalyst VMPS Switch
  30/Aug/2005
- Catalyst Switched Port Analyzer (SPAN) Configuration Example
  16/Jul/2007
- Cisco Small Form-Factor Pluggable (SFP) Transceiver Modules Maintenance and Troubleshooting
  29/Aug/2008
- Configuring Secure Shell on Routers and Switches Running Cisco IOS
  28/Jun/2007
- Configuring System Information on Catalyst Switches
  13/Dec/2005
- Errdisable Port State Recovery on the Cisco IOS Platforms
  05/Jul/2007
- How LAN Switches Work
  01/Aug/2007
- Inter-Switch Link and IEEE 802.1Q Frame Format
  25/Aug/2006
- Multicast Does Not Work in the Same VLAN in Catalyst Switches
  16/Nov/2006
- Network Address Translation Catalyst Switch Support Matrix
  05/Apr/2006
- Password Recovery Procedures
  17/Jan/2007
- Private VLAN Catalyst Switch Support Matrix
  08/Dec/2006
- 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 Switch Clustering Technology
  10/Jul/2006
- 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 Spanning-Tree Protocol Topology Changes
  10/Oct/2005