Cisco Nexus 5000 Series Switch CLI Software Configuration Guide, NX-OS 4.0(1a)N1 (OL-16597-01, January 2009)

CHAPTER
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50-1
Cisco Nexus 5000 Series Switch CLI Software Configuration Guide
OL-16597-01
50
Troubleshooting
This chapter describes basic troubleshooting methods used to resolve issues with a Cisco Nexus 5000
Series switch. This chapter includes the following sections:
• Recovering a Lost Password, page 50-1
• Using Ethanalyzer, page 50-3
• Troubleshooting Fibre Channel, page 50-5
• show tech-support Command, page 50-8
• Default Settings, page 50-16
Recovering a Lost Password
This section describes how to recover a lost network administrator password using the console port of
the switch.
You can recover the network administrator password using one of two methods:
• From the CLI with a username that has network-admin privileges
• By power cycling the switch
This section includes the following topics:
• Using the CLI with Network-Admin Privileges, page 50-1
• Power Cycling the Switch, page 50-2
Using the CLI with Network-Admin Privileges
If you are logged in to, or can log into, the switch with a username that has network-admin privileges,
follow these steps:
Step 1 Verify that your username has network-admin privileges.
switch# show user-account
user:admin
this user account has no expiry date
roles:network-admin
user:dbgusr
this user account has no expiry date