Ip Dhcp Snooping Information Option Format Remote-Id - Cisco Catalyst 3120 Command Reference Manual

Chapter 2 Cisco Catalyst Blade Switch 3120 for HP Cisco IOS Commands

ip dhcp snooping information option format remote-id

Use the ip dhcp snooping information option format remote-id global configuration command on the
switch stack or on a standalone switch to configure the option-82 remote-ID suboption. Use the no form
of this command to configure the default remote-ID suboption.
Syntax Description
string ASCII-string
hostname
Defaults The switch MAC address is the remote ID.
Command Modes
Global configuration
Command History Release
12.2(40)EX
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.
Related Commands Command
ip dhcp snooping vlan information
option format-type circuit-id string
show ip dhcp snooping
OL-12248-01
ip dhcp snooping information option format remote-id [string ASCII-string | hostname]
no ip dhcp snooping information option format remote-id
Modification
This command was introduced.
ip dhcp snooping information option format remote-id
Specify a remote ID, using from 1 to 63 ASCII characters (no
spaces).
Specify the switch hostname as the remote ID.
Description
Configures the option-82 circuit-ID suboption.
Displays the DHCP snooping configuration.
Cisco Catalyst Blade Switch 3120 for HP Command Reference
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