Administrator Guide

Layer 3 Routing Commands 1483
Example
show ip helper-address
IP helper is enabled
Interface UDP Port Discard Hit Count Server Address
--------------- ----------- -------- ---------- ---------------
vlan 100 dhcp No 10 10.100.1.254
10.100.2.254
vlan 101 any Yes 2
any dhcp No 0 10.200.1.254
show ip dhcp relay
Use the show ip dhcp relay command in User Exec mode to display the
BootP/DHCP Relay information.
Syntax
show ip dhcp relay [vrf vrf-name] [interface vlan vlan-id]
• vrf-name—The name of the VRF instance on which the command
operates. If no VRF parameter is given, information for the default
(global) router instance is shown.
• vlan-id—A valid VLAN identifier.
Default Configuration
The command has no default configuration.
Command Mode
User Exec and Privileged Exec modes, Global Configuration mode and all
Configuration submodes
Discard If “Yes”, packets arriving on the given interface with the given
destination UDP port are discarded rather than relayed. Discard
entries are used to override global IP helper address entries which
otherwise might apply to a packet.
Hit Count The number of times the IP helper entry has been used to relay or
discard a packet.
Server Address The IPv4 address of the server to which packets are relayed.