Example config:
interface Ethernet0/0
ip address 192.168.202.29 255.255.255.240
standby priority 200
standby preempt
standby ip 192.168.202.30
interface Ethernet0/1
ip address 192.168.202.77 255.255.255.224
standby priority 200
standby preempt
standby ip 192.168.202.78