I have 2 switches and am running out of ports on one of them.  If I understand correctly there is a way to connect 2 switches to expand the number of available ports.  I have tried searching to see how this is accomplished however there is a lot of contradicting or confusing information out there (OS versions/availability).

I have set the switches up on port profile 3 and have the interconnect cable connected between port 25 on both switches (cli shows an active 100G connection).  I am at a loss as to what to do next.

Can anyone please confirm if what I want to do is possible or do I just trunk the 100G interconnect and then just config the switches as separate entities?

Thank you.