int gi0/0 ip add 203.230.7.2 255.255.255.0 standby 1 ip 203.230.7.100 standby 1 priority 50 standby 1 preempt no shut standby 1 authentifcation md5 key-string cisco no shut int gi0/1 ip add 203.230.8.2 255.255.255.0 standby 1 ip 203.230.8.100 standby 1 priority 80 standby 1 preempt standby 1 track 1 decrement 40 no shut standby 1 authentifcation md5 key-string cisco no shut track1 은 감시 당하는쪽에 (윗 ..