此处r1:
interface Ethernet0/0
ip address 192.168.1.1 255.255.255.0
half-duplex
standby 10 ip 192.168.1.254
standby 10 priority 160
standby 10 preempt
standby 10 track Ethernet0/1 70
!
interface Ethernet0/1
ip address 192.168.2.1 255.255.255.0
half-duplex
standby 20 ip 192.168.2.254
standby 20 preempt
r2:
!
interface Ethernet0/0
ip address 192.168.1.2 255.255.255.0
half-duplex
standby 10 ip 192.168.1.254
standby 10 preempt
!
interface Ethernet0/1
ip address 192.168.2.2 255.255.255.0
half-duplex
standby 20 ip 192.168.2.254
standby 20 priority 160
standby 20 preempt
standby 20 track Ethernet0/0 70
