Switch User Manual

IP routing conﬁguration using the CLI 115

DHCP relay commands

This section covers the commands that are used to conﬁgure and manage

DHCP on the Nortel Ethernet Routing Switch 5500 Series, both globally

on the switch and on each VLAN.

Setting DHCP

To set DHCP, perform the following procedure:

Step Action

Enable DHCP globally.

Set a VLAN IP as the DHCP agent and a Server IP as the DHCP

server, to conﬁgure an ip dhcp-relay forwarding path.

Set the mode for each DHCP forwarding path.

Enable DHCP for the speciﬁc VLAN.

Enable the DHCP broadcast message for the speciﬁc VLAN.

—End—

ip dhcp-relay command

The ip dhcp-relay command is used to enable DHCP relay. DHCP

relay is enabled by default.

The syntax for this command is:

ip dhcp-relay

This command is executed in the Global Conﬁguration command mode.

This command has no parameters.

no ip dhcp-relay command

The no ip dhcp-relay command is used to disable DHCP relay.

The syntax for this command is:

no ip dhcp-relay

This command is executed in the Global Conﬁguration command mode.

This command has no parameters.

Nortel Ethernet Routing Switch 5500 Series

Conﬁguration-IP Routing Protocols

NN47200-503 03.01 Standard

5.1 27 August 2007