how do MAC-filtering in wireless network?

[Samiullah Osman]

I have a network with 1 switch (cisco catalyst 3560), one router (cisco 2900) and for now 5 access points (cisco 1142N).

how can I apply mac filtering in my network? 

[balaji.bandi]

Where do you like to apply for MAC Filtering ?

On Switch, you can do MAC ACL (if the device supports it) - or Port security.

On wirelesss if you have WLC you can filter as below :

https://www.cisco.com/c/en/us/support/docs/wireless-mobility/wlan-security/91901-mac-filters-wlcs-config.html

[Samiullah Osman]

thanks a lot

how can I do it with switch? Preferably with MAC ACL.

[balaji.bandi]

check example :

https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/12-2SX/configuration/guide/book/vacl.html

https://ine.com/blog/an-introduction-to-mac-access-lists