How to deny traffic from an specific MAC addres

[carlostrapiello]

I want to block an specific pc wich I have their MAC address in a Switch Catalyst 3750.

Can anybody say me how?.

[Danilo Dy]

Use switch port security to block or permit MAC Address

http://www.cisco.com/en/US/products/hw/switches/ps5023/products_configuration_guide_chapter09186a008077442b.html

[carlostrapiello]

This is not a valid option because I don't know in what port the specific device will be.

[steve.busby]

This should help with your MAC Extended ACL:

http://www.cisco.com/en/US/products/ps7077/products_configuration_guide_chapter09186a008077a292.html#wp1289037

HTH

Steve

[carlostrapiello]

Is it help for a pc connected to a IP phone or a hub or switch?.

deny host 0205.5b30.69b3 any