Configure the TCP probe:
Router3(rw)->configure Router3(su-config)->probe s2-TCP tcp Router3(su-config-probe)->faildetect count 5 interval 12 Router3(su-config-probe)->exit
Configure server farm s2IPv4Server:
Router3(rw-config)->ip twcb wcserverfarm s2IPv4Server Router3(rw-config-twcb-wcsfarm)->predictor roundrobin 176.89.10.20 176.89.10.52 Router3(rw-config-twcb-wcsfarm)->
Configure cache server 176.89.10.20:
Router3(rw-config-twcb-wcsfarm)->cache 176.89.10.20 Router3(rw-config-twcb-cache)->faildetect probe two s2-TCP Router3(rw-config-twcb-cache)->maxconns 800 Router3(rw-config-twcb-cache)->inservice Router3(rw-config-twcb-cache)->exit Router3(rw-config-twcb-wcsfarm)->exit Router3(rw-config)->