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Catalyst 3750-X and 3560-X Switch Command Reference
OL-29704-01
Chapter 2 Catalyst 3750-X and 3560-X Switch Cisco IOS Commands
ip verify source smartlog
ip verify source smartlog
To send the contents of all packets denied on an interface because of an IP source guard violation to a
Flexible NetFlow collector, use the ip verify source smartlog command in interface configuration
mode. To disable IP source guard smart logging, use the no form of this command.
ip verify source smartlog
no ip verify source smartlog
Syntax Description This command has no arguments or keywords.
Defaults IP source guard smart logging is not enabled for the interface.
Command Modes Interface configuration
Command History
Usage Guidelines When IP source guard is enabled, all IP packets with a source address other than the specified source
address or an address learned through DHCP are denied. When IP source guard smart log is enabled on
an interface, the contents of the denied packet are sent to a Flexible NetFlow collector.
You can verify that IP source guard smart logging is enabled by entering the show ip verify source
privileged EXEC command.
Examples This example shows how to configure IP source guard on an interface and to enable IP source guard
smart logging for the interface.
Switch(config)# interface gigabitethernet1/0/3
Switch(config-if)# ip verify source smartlog
Switch(config-if)# end
Related Commands
Release Modification
12.2(58)SE This command was introduced.
Command Description
logging smartlog Globally enables smart logging.
show ip verify source Displays IP source guard information, including smart logging
configuration.
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