Layer 3 Routing Commands 1458Exampleshow ip helper-addressIP helper is enabledInterface UDP Port Discard Hit Count Server Address--------------- ----------- -------- ---------- ---------------vlan 100 dhcp No 10 10.100.1.25410.100.2.254vlan 101 any Yes 2any dhcp No 0 10.200.1.254show ip dhcp relayUse the show ip dhcp relay command in User Exec mode to display theBootP/DHCP Relay information.Syntaxshow ip dhcp relay [vrf vrf-name] [interface vlan vlan-id]• vrf-name—The name of the VRF instance on which the commandoperates. If no VRF parameter is given, information for the default(global) router instance is shown.• vlan-id—A valid VLAN identifier.Default ConfigurationThe command has no default configuration.Command ModeUser Exec and Privileged Exec modes, Global Configuration mode and allConfiguration submodesDiscard If “Yes”, packets arriving on the given interface with the givendestination UDP port are discarded rather than relayed. Discardentries are used to override global IP helper address entries whichotherwise might apply to a packet.Hit Count The number of times the IP helper entry has been used to relay ordiscard a packet.Server Address The IPv4 address of the server to which packets are relayed.
