Configuring and Monitoring Port Security
Port Security
Syntax: port-security (Continued)
Addresses learned this way appear in the switch and port
address tables and age out according to the MAC Age
Interval in the System Information configuration screen of
the Menu interface or the show system information listing.
You can set the MAC age out time using the CLI, SNMP,
Web, or menu interfaces. For more on the mac-age-time
command, refer to the chapter titled “Interface Access and
System Information” in the Management and
Configuration Guide for your switch. To set the learn-mode
to limited use this command syntax:
port-security <port-list> learn-mode limited address-limit
< 1..32 > action < none | send-alarm | send-disable >
The default address-limit is 1 but may be set for each port
to learn up to 32 addresses. The default action is none. To
see the list of learned addresses for a port use the
command:
show mac < port-list >
address-limit < integer >
When learn-mode is set to static, configured, or limited-
continuous, the address-limit parameter specifies how many
authorized devices (MAC addresses) to allow. Range: 1
(the default) to 8 for static and configured modes. For
learn-mode with the limited-continuous option, the range is
1-32 addresses.
—Continued—
13-17
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