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Protect & Restrict- Port Security

Rupesh Kashyap
Level 1
Level 1

3550-B(config-if)#switchport port-security violation [protect | restrict | shutdown]

I am confused with Protect & Restrict. Please help

1 Reply 1

Hieu Cao
Level 4
Level 4

From your switch name, I am assuming that you're using 3550 model.

Check out this link.

http://www.cisco.com/en/US/docs/switches/lan/catalyst3550/software/release/12.1_9_ea1/configuration/guide/swtrafc.html#wp1042596

protect-When the number of port secure MAC addresses reaches the maximum limit allowed on the port, packets with unknown source addresses are dropped until you remove a sufficient number of secure MAC addresses to drop below the maximum value.

•restrict-A port security violation restricts data and causes the SecurityViolation counter to increment.

•shutdown-The interface is error-disabled when a security violation occurs.

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