I’m sorry. I made a mistake.
Correct configuration:
server gek1 10.201.240.1:1526 weight 5 check inter 2000 rise 2 fall 3
server gek2 10.201.240.2:1526 weight 5 check inter 2000 rise 2 fall 3
server gek3 10.201.240.3:1526 weight 5 check inter 2000 rise 2 fall 3