A.DISPLAY firewall B.DISPLAY interface C.DISPLAY access-list all D.DISPLAY running-config
A.standby 1 priority 255 B.standby 1 timers C.standby 1 track Ethernet 1 D.standby 1 preempt E.standby 1 preexist
A.State B.Action C.Hellotime D.Priority E.Group