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v1.0, November 2010
Chapter 6Utility Commands
This chapter describes the utility commands available in the CLI.
The Utility Commands chapter includes the following sections:
•“Auto Install Commands” on page 6-2
•“Dual Image Commands” on page 6-4
•“System Information and Statistics Commands” on page 6-6
•“Logging Commands” on page 6-18
•“System Utility and Clear Commands” on page 6-23
•“Simple Network Time Protocol (SNTP) Commands” on page 6-33
•“DHCP Server Commands” on page 6-40
•“DNS Client Commands” on page 6-54
•“Packet Capture Commands” on page 6-60
•“Cable Test Command” on page 6-82
•“sFlow Commands” on page 6-83
•“IP Address Conflict Commands” on page 6-90
•“Link Local Protocol Filtering Commands” on page 6-91
Note: The commands in this chapter are in one of four functional groups:
• Show commands display switch settings, statistics, and other information.
• Configuration commands configure features and options of the switch. For every
configuration command, there is a show command that displays the configuration
setting.
• Copy commands transfer or save configuration and informational files to and from
the switch.
• Clear commands clear some or all of the settings to factory defaults.