How to allow receive one mac address on sw

[somm46441]

Hi, everybody here 

I would like to know which can do if switch receive tow mac address on the same port ...

Which command can write to allow just one mac address.. 

[Md. Manirul Islam]

Hi,

Its normal to have more than one mac address in a switchport, if that port is connected to another switch.

But if that port is connected to an end device like PC or IP Phone, you can restrict that interface with learning one mac address.

You can follow the below links:

http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3560/software/release/12-2_37_se/command/reference/cr1/cli3.html#wp1948361

https://supportforums.cisco.com/discussion/10276931/what-exactly-does-mac-address-sticky-do