Command Line Interface Guide

Command Groups 89
DHCP Management Interface
DHCP Snooping
Command Description Mode
a
a. For the meaning of each Mode abbreviation, see Mode Types on page 81.
release dhcp Forces the DHCPv4 client to release a leased
address.
PE
renew dhcp Forces the DHCP client to immediately renew
an IPv4 address lane.
PE
debug dhcp packet Displays debug information about DHCPv4
client activities and traces DHCP v4 packets to
and from the local DHCPv4 client.
PE
show dhcp lease Displays IPv4 addresses leased from a DHCP
server.
PE
Command Description Mode
a
clear ip dhcp snooping
binding
Clears all DHCP Snooping entries. PE
clear ip dhcp snooping
statistics
Clears all DHCP Snooping statistics. PE
ip dhcp snooping Enables DHCP snooping globally or on a
specific VLAN.
GC or
IC
ip dhcp snooping binding Configures a static DHCP Snooping binding. GC
ip dhcp snooping database Configures the persistent location of the DHCP
snooping database.
GC
ip dhcp snooping database
write-delay
Configures the interval in seconds at which the
DHCP Snooping database will be stored in
persistent storage.
GC
ip dhcp snooping limit Controls the maximum rate of DHCP
messages.
IC
ip dhcp snooping log-invalid Enables logging of DHCP messages filtered by
the DHCP Snooping application.
IC
ip dhcp snooping trust Configure a port as trusted for DHCP snooping. IC
2CSPC4.X8100-SWUM100.book Page 89 Wednesday, August 29, 2012 6:23 PM