Cisco Catalyst 3750-X User Manual

CHAPTER
51-1
Catalyst 3750-X and 3560-X Switch Software Configuration Guide
OL-21521-01
51
Troubleshooting
This chapter describes how to identify and resolve software problems related to the Cisco IOS software
on the Catalyst 3750-X or 3560-X switch. Depending on the nature of the problem, you can use the
command
-line interface (CLI), the device manager, or Network Assistant to identify and solve problems.
Unless otherwise noted, the term sw
itch refers to a Catalyst 3750-X or 3560-X standalone switch and to
a Catalyst 3750-X switch stack.
Additional troubleshooting information, such as LED d
escriptions, is provided in the hardware
installation guide.
Note For complete syntax and usage information for the commands used in this chapter, see the command
reference for this release and the Cisco IOS Command Summary, Release 12.2.
• Recovering from a Software Failure, page 51-2
• Recovering from a Lost or Forgotten Password, page 51-3
• Preventing Switch Stack Problems, page 51-8
• Recovering from a Command Switch Failure, page 51-9
• Recovering from Lost Cluster Member Connectivity, page 51-12
Note Recovery procedures require that you have physical access to the switch.
• Preventing Autonegotiation Mismatches, page 51-13
• Troubleshooting Power over Ethernet Switch Ports, page 51-13
• SFP Module Security and Identification, page 51-14
• Monitoring SFP Module Status, page 51-14
• Monitoring Temperature, page 51-15
• Using Ping, page 51-15
• Using Layer 2 Traceroute, page 51-16
• Using IP Traceroute, page 51-18
• Using TDR, page 51-19
• Using Debug Commands, page 51-20

Cisco Catalyst 3750-X Specifications

General

Brand	Cisco
Model	Catalyst 3750-X
Category	Switch
Language	English