如下图示:
R1: interface FastEthernet0/0 ip address 192.168.1.254 255.255.255.0 interface FastEthernet0/1 ip address 12.1.1.1 255.255.255.0 access-list 1 permit 192.168.1.1 route-map gotointernet permit 10 match ip address 1 set interface Null0 R2: interface FastEthernet0/1 ip address 12.1.1.2 255.255.255.0 ip route 192.168.1.0 255.255.255.0 12.1.1.1 PC2> ping 12.1.1.2 12.1.1.2 icmp_seq=1 timeout 12.1.1.2 icmp_seq=2 timeout 84 bytes from 12.1.1.2 icmp_seq=3 ttl=254 time=37.004 ms 84 bytes from 12.1.1.2 icmp_seq=4 ttl=254 time=33.893 ms 84 bytes from 12.1.1.2 icmp_seq=5 ttl=254 time=13.418 ms PC1> ping 12.1.1.1 12.1.1.2 icmp_seq=1 timeout 12.1.1.2 icmp_seq=2 timeout 12.1.1.2 icmp_seq=2 timeout