User guide

Configuring Device Information 271
Configuring DHCP Snooping Global Parameters with CLI Commands
The following table summarizes the equivalent CLI commands for configuring DHCP Snooping global
parameters
.
Table 7-8. DHCP Snooping Global Parameters CLI Commands
CLI Command Description
ip dhcp snooping
no ip dhcp snooping
Use the ip dhcp snooping global configuration
command to globally enable DHCP snooping. Use the
no form of this command to return to the default
setting.
ip dhcp snooping verify
no ip dhcp snooping verify
Use the ip dhcp snooping verify global configuration
command to configure the switch to verify on an
untrusted port that the source MAC address in a DHCP
packet matches the client hardware address. Use the no
form of this command to configure the switch to not
verify the MAC addresses.
ip dhcp snooping database
no ip dhcp snooping database
Use the ip dhcp snooping database global configuration
command to configure the DHCP snooping binding
file. Use the no form of this command to delete the
binding file.
ip dhcp snooping database update-freq seconds
no ip dhcp snooping database update-freq
Use the ip dhcp snooping database update-freq global
configuration command to configure the update
frequency ofthe DHCP snooping binding file. Use the
no form of this command to return to default.
show ip dhcp snooping [ethernet interface | port-
channel port-channel-number]
Use the show ip dhcp snooping EXEC command to
display the DHCP snooping configuration.