Плагин выбора сервера

в server.cfg добавте
net_address "свой IP:27015"
ip "свой айпи"
redirect_adminslots 1
redirect_maxadmins 1
redirect_active 1
redirect_auto 1
redirect_manual 2
redirect_follow 1
redirect_external_address "свой IP"
redirect_check_method 2
redirect_announce 120
redirect_announce_mode 3
redirect_show 1
redirect_retry 1
redirect_hidedown 0
redirect_countbots 0

в serverlist
[Названия сервера]
localaddress=Локальный айпи
address=Внешний айпи
port=27015
cmdbackup=5
noauto=0
nomanual=0
nodisplay=0
adminslots=1
redirect_external_address to "свой IP:27015"

[Названия сервера]
localaddress=Локальный айпи
address=Внешний айпи
port=27016
cmdbackup=5
noauto=0
nomanual=0
nodisplay=0
adminslots=1
redirect_external_address to "свой IP:27016"