Chapter 44 DHCP Commands

where

<vid>

=

The ID of the VLAN served by the specified DHCP

 

 

server(s).

<active-server>

=

1: The primary DHCP server is active.

 

 

2: The secondary DHCP server is active.

This command has no effect if the relaymode is both. If the relaymode is auto, this command specifies to which DHCP server (the primary one or the secondary one) the IES-612-51A should relay DHCP requests for the selected VLAN.

44.1.7 Relaymode Command

Syntax:

ras> switch dhcprelay relaymode <mode>

where

<mode>

= relay process mode; it controls to which DHCP server(s) the

 

IES-612-51A relays DHCP requests.

 

auto - the IES-612-51A relays DHCP requests to the active

 

server for each VLAN

 

both - the IES-612-51A relays DHCP requests to the

 

primary and secondary server for each VLAN, regardless of

 

which one is active

This command controls how the IES-612-51A routes DHCP requests. The IES-612-51Acan route DHCP requests to the active DHCP server for the VLAN, or it can route DHCP requests to all DHCP servers set up for the VLAN.

44.2DHCP Relay Option 82 (Agent Information) Sub-option 1 (Circuit ID)

Use the following commands to configure the DHCP relay Option 82 (agent information) feature, sub-option 1. This feature applies regardless of whether or not the DHCP relay is on.

44.2.1 Option 82 Sub-option 1 Enable Command

Syntax:

ras> switch dhcprelay option82 enable

This command turns on the DHCP relay agent information (Option 82 Sub-option 1) feature.

 

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IES-612-51A User’s Guide