306 IP Addressing Commands
Cache: TTL (Hours)
Host Total Elapsed Type Addresses
---------------- ----- ------- ------- -------------
www.stanford.edu 72 3 IP 171.64.14.203
show ip helper-address
Use the show ip helper-address command in Privileged EXEC mode to display IP helper 
addresses configuration.
Syntax
show ip helper-address [
intf-address 
]
•
intf-address
 — IP address of a routing interface. (Range: Any valid IP address)
Default Configuration
This command has no default configuration.
Command Mode
Privileged EXEC mode
User Guidelines
This command has no user guidelines.
Example
console#show ip helper-address
IP helper is enabled
Interface               UDP Port    Discard  Hit Count     Server Address
-------------------- ----------- ---------- ---------- ------------------
vlan 25                   domain         No          0       192.168.40.2
vlan 25                     dhcp         No          0       192.168.40.2
vlan 30                     dhcp        Yes          0
vlan 30                      162         No          0       192.168.23.1
Any                         dhcp         No          0       192.168.40.1