1-3
Description
Use the dhcp relay information circuit-id string command to configure the padding content for the
user-defined circuit ID sub-option.
Use the undo dhcp relay information circuit-id string command to restore the default.
By default, the padding content for the circuit ID sub-option depends on the padding format of Option
82.
Note that:
After you configure the padding content for the circuit ID sub-option using this command, ASCII is
adopted as the code type.
Related commands: dhcp relay information format, display dhcp relay information.
Examples
# Configure the padding content for the circuit ID sub-option as company001.
<Sysname> system-view
[Sysname] interface vlan-interface 1
[Sysname-Vlan-interface1] dhcp relay information circuit-id string company001
dhcp relay information enable
Syntax
dhcp relay information enable
undo dhcp relay information enable
View
Interface view
Default Level
2: System level
Parameters
None
Description
Use the dhcp relay information enable command to enable the relay agent to support Option 82.
Use the undo dhcp relay information enable command to disable Option 82 support.
By default, Option 82 support is disabled on DHCP relay agent.
Related commands: display dhcp relay information.
Examples
# Enable Option 82 support on the relay agent.
<Sysname> system-view
[Sysname] interface vlan-interface 1
[Sysname-Vlan-interface1] dhcp relay information enable
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