
Command Groups 85
DHCP Snooping
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
a. For the meaning of each Mode abbreviation, see Mode Types on page 77.
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
ip dhcp snooping verify
mac-address
Enables the verification of the source MAC
address with the client MAC address in the
received DHCP message.
GC
Command Description Mode
a
2CSPC4.XModular-SWUM200.book Page 85 Thursday, March 10, 2011 11:18 AM