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Configuring and Monitoring Port Security
Port Security Command Options and Operation
Assigned/Authorized Addresses. : If you manually assign a MAC address
(using port-security <port-number> address-list <mac-addr>) and then execute
write memory, the assigned MAC address remains in memory until you do one
of the following:
Delete it by using no port-security < port-number > mac-address < mac-
addr >.
Download a configuration file that does not include the unwanted
MAC address assignment.
Reset the switch to its factory-default configuration.
Displaying Current Port Security Settings
The CLI uses the same command to provide two types of port security listings:
All ports on the switch with their Learn Mode and (alarm) Action
Only the specified ports with their Learn Mode, Address Limit, (alarm)
Action, and Authorized Addresses
Using the CLI To Display Port Security Settings.
Syntax:
show port-security
show port-security [e] <port number>
show port-security [ e ] [<port number>-<port number]. . .[,<port number>]
Without port parameters, show port-security displays Operating Control settings
for all ports on a switch. For example:
Figure 6-3. Example Port Security Listing (Ports A7 and A8 Show the Default
Setting)
!FishSecurity.book Page 9 Thursday, October 10, 2002 9:19 PM
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