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Command Groups 125
IP Helper/DHCP Relay
Command Description Mode
a
a. For the meaning of each Mode abbreviation, see
Mode Types
on page 81.
bootpdhcprelay
maxhopcount
Configures the maximum allowable relay agent
hops for BootP/DHCP Relay on the system.
GC
bootpdhcprelay
minwaittime
Configures the minimum wait time in seconds
for BootP/DHCP Relay on the system.
GC
clear ip helper statistics
Resets (to 0) the statistics displayed in show ip
helper statistics.
PE
ip dhcp relay information
check
Enables DHCP Relay to check that the relay
agent information option in forwarded
BOOTREPLY messages is valid.
GC
ip dhcp relay information
check-reply
Enables DHCP Relay to check that the relay
agent information option in forwarded
BOOTREPLY messages is valid.
IC
ip dhcp relay information
option
Enables the circuit ID option and remote agent
ID mode for BootP/DHCP Relay on the system
(also called option 82).
GC
ip dhcp relay information
option-insert
Enables the circuit ID option and remote agent
ID mode for BootP/DHCP Relay on the circuit
ID option and remote agent ID mode for
BootP/DHCP Relay on the interface (also called
option 82).
GC
ip helper-address (global
configuration)
Configures the relay of certain UDP broadcast
packets received on any interface.
GC
ip helper-address (interface
configuration)
Configures the relay of certain UDP broadcast
packets received on a specific interface.
IC
ip helper enable
Enables relay of UDP packets. GC
show ip helper-address
Displays the IP helper address configuration. PE
show ip dhcp relay
Displays the BootP/DHCP Relay information. UE or
PE
show ip helper statistics
Displays the number of DHCP and other UDP
packets processed and relayed by the UDP relay
agent.
PE
2CSPC4.X8100-SWUM102.book Page 125 Friday, March 15, 2013 8:56 AM