configure bootprelay dhcp-agent information option

Description

Enables the DHCP (Dynamic Host Configuration Protocol) 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 option

To 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

Published September 2018prev | next

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