How to refer to different mac in a multi-interface node

Hi All,

I have 2 interfaces within a node. The interfaces have different MAC address. I’m using 802.11.

In 802.11, index_ refers to an interface mac address.

My design requires communication between two interfaces at MAC layer. For instance, within a node, interface 0 can trigger interface 1 to do something.

My question is, how to refer to different interfaces? The index_ is just a MAC address, can’t trigger the interfaces to do something.

Thank you for your answer.

Regards,
KL