Friday, 4 February 2011

Setup port security on Cisco 3500 Xl and 2900

Step 1

configure terminal

Enter global configuration mode.

Step 2

interface interface

Enter interface configuration mode for the port you want to secure.

Step 3

port security max-mac-count 1

Secure the port and set the address table to one address.

Step 4

port security action shutdown

Set the port to shutdown when a security violation occurs.

Step 5


Return to privileged EXEC mode.

Step 6

show port security

Verify the entry.

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