Chapter 28 Troubleshooting - Cisco Catalyst 2360 Software Configuration Manual

Troubleshooting
This chapter describes how to identify and resolve software problems related to the Cisco IOS software.
Depending on the nature of the problem, you can use one of these tools:
command-line interface (CLI)
•
device manager
•
Additional troubleshooting information, such as LED descriptions, is provided in the hardware
installation guide.
For complete syntax and usage information for the commands used in this chapter, see the command
Note
reference for this release and the Cisco IOS Command Summary, Release 12.2.
This chapter consists of these sections:
Recovering from a Software Failure, page 28-2
•
Recovering from a Lost or Forgotten Password, page 28-3
•
Recovering from a Command Switch Failure, page 28-8
•
• Recovering from Lost Cluster Member Connectivity, page 28-11
Note
• Preventing Autonegotiation Mismatches, page 28-11
• SFP Module Security and Identification, page 28-12
Monitoring SFP Module Status, page 28-12
•
Monitoring Temperature, page 28-12
•
Using Ping, page 28-13
•
Using Layer 2 Traceroute, page 28-14
•
Using IP Traceroute, page 28-15
•
Using Debug Commands, page 28-17
•
Using the show platform forward Command, page 28-19
•
Using the crashinfo Files, page 28-21
•
Using On-Board Failure Logging, page 28-22
•
OL-19808-01
Recovery procedures require that you have physical access to the switch.
C H A P T E R
Catalyst 2360 Switch Software Configuration Guide
28
28-1