HELP setting up two servers on the same server

I am trying to put up two gmod server on the same server. I understand that they get the same ip but i have put -port and diffrent ports. But i can still only connect to one and i can only se one in the server list.

This is my start up for one the servers and the second one look alomst the same.

srcds.exe +maxplayers 24 -console -usercon -authkey [i have an authkey here] +host_workshop_collection 160408891 +map gm_flatgrass -port 27025

thanks in advance. Please ask if its something you dont understand.