Command Line Interface Guide

308 Address Table Commands
Default Configuration
No static addresses are defined. The default mode for an added address is
permanent.
Command Mode
Global Configuration mode
User Guidelines
This command has no user guidelines.
Example
The following example adds a permanent static MAC-layer station source
address 3aa2.64b3.a245 to the MAC address table.
console(config)# mac address-table static
3AA2.64B3.A245 vlan 1 interface gigabitethernet 1/0/8
port security
Use the port security command in Interface Configuration mode to disable
the learning of new addresses on an interface. To enable new address learning,
use the no form of the port security command.
Syntax
port security [discard]
no port security
• discard — Discards frames with unlearned source addresses. This is the
default if no option is indicated.
Default Configuration
Disabled—No port security
Command Mode
Interface Configuration (gigabitethernet, port-channel, tengigabitethernet,
fortygigabitethernet) mode
2CSPC4.X8100-SWUM100.book Page 308 Wednesday, August 29, 2012 6:23 PM