使用RIP协议处理不连续的子网和VLSM

　　R1#

　　03:01:23:RIP:received v2updatefrom 172.16.123.2 on Serial1

　　03:01:23:　172.16.123.8/30 via 0.0.0.0 in 1 hops

　　03:01:23:　172.18.2.0/28 via 0.0.0.0 in 1 hops

　　03:01:23:　172.18.3.0/24 via 0.0.0.0 in 2 hops

　　R1#conft

　　Enter configuration commands, one per line. End with CNTL/Z.

　　R1(config)#router rip

　　R1 (config-router)#passive-mterface default

　　R1(config-router#^Z

　　R1#

　　Term_Server>2

　　[Resuming connection 2 to R2 ... ]

　　R2#cle ip route *

　　R2#

　　Term_Server>3

　　[Resuming connection 3 to R3 ... ]

　　R3#cle ip route *

　　R3#

　　Term_Server>1

　　[Resuming connection 1 to R1... ]

　　R1#sh ip route rip

　　172.16.0.0/30 is subnetted,3 subnets

　　R　172.16.123.8[120/1]via 172.16.123.2,00:00:09,Serial1

　　[120/1]via 172.16.123.6,00:00:17,Serial0

　　172.18.0.0/16 is variably subnetted,3 subnets,2 masks

　　R　172.18.2.0/28[120/1] via 172.16.123.2,00:00:17,Serial0

　　R　172.18.3.0/24[120/1] via 172.16.123.6,00:00:09,Serial1

　　R1#

　　Term_Server>2

　　[Resuming connection 2 to R2...]

　　R2#

　　R2#sh ip route rip

　　172.16.0.0/30 is subnetted,3 subnets

　　R　172.16.123.4[120/1]via 172.16.123.10,00:00:24,Serial1

　　172.18.0.0/16 is variably subnetted,2 subnets,2 masks

　　R　172.18.3.0/24[120/1] via 172.16.123.10,00:00:24,Serial1

　　R2#

　　Term_Server>3

　　[Resuming connection 3 to R3...]

　　R3#sh ip route rip

　　172.16.0.0/30 is subnetted,3 subnets

　　R　172.16.123.0120/1] via 172.16.123.9,00:00:26,Serial1

　　172.18.0.0/16 is variably subnetted,2 subnets,2 masks

　　R　172.18.2.0/28[120/1] via 172.16.123.9,00:00:26,Serial1