Configuring IP Unicast Routing Forwarding UDP Broadcast Packets and Protocols Command or Action Purpose Device>enable Step 2 configure terminal Example: Device#configure terminal Enters global configuration mode. Step 3 interface interface-id Example: Device(config)#interface gigabitethernet 1/0/1 Enters interface configuration mode, and specifies the Layer 3 interface to configure. Step 4 ip helper-address address Example: Device(config-if)#ip helper address 10.1.10.1 Enables forwarding and specifies the destination address for forwarding UDP broadcast packets, including BOOTP. Step 5 exit Example: Device(config-if)#exit Returns to global configuration mode.
Step 6 ip forward-protocol {udp [port] | nd | sdns} Example: Device(config)#ip forward-protocol sdns Specifies which protocols the router forwards when forwarding broadcast packets. Step 7 end Example: Device(config)#end Returns to privileged EXEC mode. Step 8 show ip interface [interface-id] Example: Device#show ip interface gigabitethernet 1/0/1 Verifies the configuration on the interface or all interfaces. Step 9 show running-config Example: Device#show running-config Verifies your entries. Configuring IP Unicast Routing 25