configure bootprelay dhcp-agent information option
Description
Enables the DHCP relay agent option (option 82).
Syntax Description
This command has no arguments or variables.
Default
Disabled.
Usage Guidelines
After IP unicast routing has been configured, you can configure the switch to forward DHCP or BOOTP requests coming from clients on subnets being serviced by the switch and going to hosts on different subnets.
To configure the relay function, follow these steps:
- Configure VLANs and IP unicast routing.
- Enable the DHCP or BOOTP relay function, using the following command: enable bootprelay {{vlan} [vlan_name] | {{vr} vr_name} | all [{vr} vr_name]}
- Configure the addresses to which DHCP or BOOTP requests should be directed, using the following command: configure bootprelay add ip_address {vr vrid}
Configure the DHCP relay agent option (option 82), using the following command:
configure bootprelay dhcp-agent information optionTo disable the DHCP relay agent option (option 82), use the following command: unconfigure bootprelay dhcp-agent information option
Example
The following example configures the DHCP relay agent option:
configure bootprelay dhcp-agent information option
History
This command was first available in ExtremeXOS 11.1.
Platform Availability
This command is available on ExtremeSwitching X435, X440-G2, X450-G2, X460-G2, X465, X590, X620, and X695 series switches.