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virtual_server 1.1.1.240 80 {
 delay_loop 15
 lb_algo rr
 lb_kind DR
 persistence_timeout 50
 protocol TCP
 real_server 1.1.1.2 80 {
     weight 1
         TCP_CHECK {
         connect_port 80
         connect_timeout 3
         }
}
 real_server 1.1.1.3 80 {
 weight 2
 TCP_CHECK {
     connect_port 80
     connect_timeout 3
    }
 }
real_server 1.1.1.4 80 {
 weight 3
 TCP_CHECK {
     connect_port 80
     connect_timeout 3
    }
 }
}