Relay agent configuration example – Dell POWEREDGE M1000E User Manual

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Configuring L2 and L3 Relay Features

Relay Agent Configuration Example

The example in this section shows how to configure the L3 relay agent (IP

helper) to relay and discard various protocols.

Figure 33-13. L3 Relay Network Diagram

This example assumes that multiple VLAN routing interfaces have been

created, and configured with IP addresses.
To configure the switch:

1 Relay DHCP packets received on VLAN 10 to 192.168.40.35

console#config

console(config)#interface vlan 10

console(config-if-vlan10)#ip helper-address

192.168.40.35 dhcp

VLAN 30

DHCP Server

192.168.40.35

DHCP Clients

VLAN 10

L3 Switch

VLAN 20 (No DHCP)

DHCP Server

192.168.40.22

SNMP Server

192.168.23.1

DNS Server

192.168.40.43