Relay Agent Configuration Example - Dell PowerEdge M420 Configuration Manual

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
DNS Server
192.168.40.43
DHCP Server
192.168.40.35
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
940
Configuring L2 and L3 Relay Features
DHCP Server
192.168.40.22
` `
DHCP Clients
VLAN 10
SNMP Server
192.168.23.1
VLAN 30
L3 Switch
VLAN 20 (No DHCP)
`
`