366 DHCP Snooping Commands
Command Mode
Interface Configuration (gigabitethernet, port-channel, tengigabitethernet,
fortygigabitethernet) mode
User Guidelines
If DHCP packets are received on a port at a rate that exceeds the threshold for
the specified time, the port will be diagnostically disabled. The threshold is
configurable up to 300 pps, and the burst is configurable up to 15s long. The
default is 15 pps.
Use the no shut command to return a disabled port to service.
Examples
console(config-if-Gi1/0/1)#ip dhcp snooping limit none
console(config-if-Gi1/0/1)#ip dhcp snooping limit rate 100 burst interval 1
ip dhcp snooping log-invalid
Use the ip dhcp snooping log-invalid command to enable logging of DHCP
messages filtered by the DHCP Snooping application. Use the no form of this
command to disable logging.
Syntax
ip dhcp snooping log-invalid
no ip dhcp snooping log-invalid
Default Configuration
Logging of filtered messages is disabled by default.
Command Mode
Interface Configuration (gigabitethernet, port-channel, tengigabitethernet,
fortygigabitethernet) mode
User Guidelines
There are no user guidelines for this command.
2CSPC4.X8100-SWUM102.book Page 366 Friday, March 15, 2013 8:56 AM