The game itself supports map specific configs by placing a maps folder inside the cfg folder, then placing de_dust2.cfg and such in there. squirrelof09 is just trying to force a setting on map change though, without different settings loading for different maps from the sounds of it.
- Go to your "maps" directory.
- In there create a file called cfg.
- Inside the cfg folder create a .cfg withe the name of the "PROBLEM" map.
- Inside the .cfg put mp_limitteams 0.
- Save the .cfg
- Restart server.
If you just want a cvar to be executed after a map change put it in ur server.cfg (It always executes after every map change)