Adding a Priority Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C-58

Configuring the Severity Level for Event Log

 

Messages Sent to a Syslog Server . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C-59

Configuring the System Module Used to Select the Event Log

 

Messages Sent to a Syslog Server . . . . . . . . . . . . . . . . . . . . . . . .

C-60

Operating Notes for Debug and Syslog . . . . . . . . . . . . . . . . . . . . . . .

C-60

Diagnostic Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C-62

Port Auto-Negotiation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C-63

Ping and Link Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C-63

Web: Executing Ping or Link Tests . . . . . . . . . . . . . . . . . . . . . . .

C-64

CLI: Ping Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C-65

Link Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C-66

Traceroute Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C-67

Viewing Switch Configuration and Operation . . . . . . . . . . . . . . . . .

C-71

CLI: Viewing the Startup or Running Configuration File . . . . . . . . .

C-71

Web: Viewing the Configuration File . . . . . . . . . . . . . . . . . . . . . . . . .

C-71

CLI: Viewing a Summary of Switch Operational Data . . . . . . . . . . .

C-72

Saving show tech Command Output to a Text File . . . . . . . . . .

C-73

Customizing show tech Command Output . . . . . . . . . . . . . . . . .

C-75

CLI: Viewing More Information on Switch Operation . . . . . . . . . . .

C-78

Pattern Matching When Using the Show Command . . . . . . . . .

C-79

CLI: Useful Commands for Troubleshooting Sessions . . . . . . . . . . .

C-82

Restoring the Factory-Default Configuration . . . . . . . . . . . . . . . . .

C-83

CLI: Resetting to the Factory-Default Configuration . . . . . . . . . . . .

C-83

Clear/Reset: Resetting to the Factory-Default Configuration . . . . .

C-83

Restoring a Flash Image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C-84

DNS Resolver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C-87

Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C-87

Basic Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C-88

Configuring and Using DNS Resolution with

 

DNS-Compatible Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C-89

Configuring a DNS Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C-90

Example Using DNS Names with Ping and Traceroute . . . . . . . . . .

C-91

Viewing the Current DNS Configuration . . . . . . . . . . . . . . . . . . . . . .

C-93

Operating Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C-94

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