Command Groups 87
Dynamic ARP Inspection
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
show ip dhcp snooping Displays the DHCP snooping global and per
port configuration.
PE
show ip dhcp snooping
binding
Displays the DHCP snooping binding entries. PE
show ip dhcp snooping
database
Displays the DHCP snooping configuration
related to the database persistence.
PE
show ip dhcp snooping
interfaces
Displays the DHCP Snooping status of the
interfaces.
PE
show ip dhcp snooping
statistics
Displays the DHCP snooping filtration
statistics.
PE
a. For the meaning of each Mode abbreviation, see Mode Types on page79.
Command Description Modea
arp access-list Creates an ARP ACL. GC
clear ip arp inspection
statistics
Resets the statistics for Dynamic ARP
Inspection on all VLANs.
PE
ip arp inspection filter Configures the ARP ACL to be used for a single
VLAN or a range of VLANs to filter invalid ARP
packets.
GC
Command Description Modea
2CSPC4.XCT-SWUM2XX1.book Page 87 Monday, October 3, 2011 11:05 AM