HP Cisco Catalyst Blade Switch 3020 Cisco Catalyst Blade Switch 3020 for HP Co - Page 135
ip dhcp snooping information option format remote-id
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Chapter 2 Cisco Catalyst Blade Switch 3020 for HP Cisco IOS Commands ip dhcp snooping information option format remote-id ip dhcp snooping information option format remote-id Use the ip dhcp snooping information option format remote-id global configuration command on the switch to configure the option-82 remote-ID suboption. Use the no form of this command to configure the default remote-ID suboption. ip dhcp snooping information option format remote-id [string ASCII-string | hostname] no ip dhcp snooping information option format remote-id Syntax Description stringASCII-string hostname Specify a remote ID, using from 1 to 63 ASCII characters (no spaces). Specify the switch hostname as the remote ID. Defaults The switch MAC address is the remote ID. Command Modes Global configuration Command History Release 12.2(25)SEF Modification This command was introduced. Usage Guidelines You must globally enable DHCP snooping by using the ip dhcp snooping global configuration command for any DHCP snooping configuration to take effect. When the option-82 feature is enabled, the default remote-ID suboption is the switch MAC address. This command allows you to configure either the switch hostname or a string of up to 63 ASCII characters (but no spaces) to be the remote ID. Note If the hostname exceeds 63 characters, it will be truncated to 63 characters in the remote-ID configuration. Examples This example shows how to configure the option- 82 remote-ID suboption: Switch(config)# ip dhcp snooping information option format remote-id hostname You can verify your settings by entering the show ip dhcp snooping user EXEC command. OL-8916-01 Cisco Catalyst Blade Switch 3020 for HP Command Reference 2-107