Hi, Would be great a little bit more info.
Like :
Is it showing both servers when you entering main lobby ?
Is it registered on login server?
1.There should be setting in gameserver config ( obviously selecting ID for each server )
# What ID request from of LS
RequestServerID = 1
# Allow taking another id, if requested already in use
AcceptAlternateID = True
2.Did you make sure that port 7778 is open also not just 7777
3. Ideally provide please screens from main lobby / loginserver bat/gameserver bat.
Hope that helps .