策略路由实验中有路由却ping不通的问题

wucl202000

今天做了个策略路由的综合实验，用gns3做得，我把r3的serial口down了之后，我查看各个路由器上的路由表，确认都有去往172.16.65.1（r5上的loopback接口）的路由，并且有返回的路由，为什么我就是ping不通呢？？？
先来个拓扑图


配置在这里
R1
!
interface Loopback1
ip address 172.16.1.1 255.255.255.0
!
interface FastEthernet0/0
ip address 192.168.12.1 255.255.255.0
duplex auto
speed auto
!
router eigrp 100
network 172.16.0.0
network 192.168.12.0
no auto-summary
!

R2
!
interface Serial0/0
ip address 192.168.23.2 255.255.255.0
serial restart-delay 0
!
interface Serial0/1
ip address 192.168.24.2 255.255.255.0
serial restart-delay 0
!
interface Serial0/2
no ip address
shutdown
serial restart-delay 0
!
interface Serial0/3
no ip address
shutdown
serial restart-delay 0
!
interface FastEthernet1/0
ip address 192.168.12.2 255.255.255.0
duplex auto
speed auto
!
router eigrp 100
redistribute rip metric 2000 100 255 1 1500
redistribute ospf 1 metric 2000 100 255 1 1500
network 192.168.12.0
no auto-summary
!
router ospf 1
router-id 2.2.2.2
log-adjacency-changes
redistribute eigrp 100 subnets
network 192.168.24.2 0.0.0.0 area 0
!
router rip
version 2
redistribute eigrp 100 metric 1
network 192.168.23.0
no auto-summary


R3
!
interface Serial0/0
ip address 192.168.23.3 255.255.255.0
shutdown
serial restart-delay 0
!
interface Serial0/1
no ip address
shutdown
serial restart-delay 0
!
interface Serial0/2
no ip address
shutdown
serial restart-delay 0
!
interface Serial0/3
no ip address
shutdown
serial restart-delay 0
!
interface FastEthernet1/0
ip address 192.168.100.3 255.255.255.0
duplex auto
speed auto
!
router rip
version 2
passive-interface FastEthernet1/0
network 192.168.23.0
network 192.168.100.0
neighbor 192.168.100.5
no auto-summary
!

R4
!
interface Loopback1
ip address 172.16.4.1 255.255.255.0
!
interface Serial0/0
ip address 192.168.24.4 255.255.255.0
serial restart-delay 0
!
interface Serial0/1
no ip address
shutdown
serial restart-delay 0
!
interface Serial0/2
no ip address
shutdown
serial restart-delay 0
!
interface Serial0/3
no ip address
shutdown
serial restart-delay 0
!
interface FastEthernet1/0
ip address 192.168.100.4 255.255.255.0
duplex auto
speed auto
!
router ospf 1
router-id 4.4.4.4
log-adjacency-changes
redistribute static subnets
network 192.168.24.4 0.0.0.0 area 0
!
no ip http server
no ip http secure-server
!
ip forward-protocol nd
ip route 172.16.64.0 255.255.252.0 192.168.100.5


R5
!
interface Loopback1
ip address 172.16.65.1 255.255.255.0
!
interface Loopback2
ip address 172.16.66.1 255.255.255.0
!
interface Loopback3
ip address 172.16.67.1 255.255.255.0
!
interface FastEthernet0/0
ip address 192.168.100.5 255.255.255.0
duplex auto
speed auto
!
router rip
version 2
redistribute connected metric 1
passive-interface default
network 192.168.100.0
neighbor 192.168.100.3
no auto-summary
!
no ip http server
no ip http secure-server
!
ip forward-protocol nd
ip route 172.16.1.0 255.255.255.0 192.168.100.4 130
!
!

附上拓扑和配置的gns3导出文件    策略路由.zip (3.75 KB, 下载次数: 0)

zudong

你的拓扑没有显示出来，这个问题是这样，你down掉接口后，拓扑发生变化，这是路由表中的条目还没有发生改变（收敛完成），但是你去ping是不通的，经过一定时间它的路由条目就会变成metric为16 ，所以你好好看一下路由表。等待收敛完成后再去看看。。。

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