通过互联作备份配置实例物业

通过DDN互联VPN作备份配置实例7

走专线时：

pekru020#show ip route

Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP

D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

E1 - OSPF external type 1, E2 - OSPF external type 2

i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2

ia - IS-IS inter area, * - candidate default, U - per-user static route

o - ODR, P - periodic downloaded static route

Gateway of last resort is 192.168.8.254 to network 0.0.0.0

222.128.50.0/32 is subnetted, 2 subnets

C

222.128.50.112 is directly connected, Dialer1

C

222.128.50.65 is directly connected, Dialer1

C

192.168.8.0/24 is directly connected, FastEthernet0/0

S

192.168.9.0/24 [70/0] via 192.168.8.254

S

192.168.10.0/24 [60/0] via 192.168.100.2

S

192.168.11.0/24 [70/0] via 192.168.8.254

S

192.168.7.0/24 [70/0] via 192.168.8.254

C

192.168.100.0/24 is directly connected, Serial0/2/0

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0.0.0.0/0 [60/0] via 192.168.8.254

走VPN时:

pekru020#show ip route

Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP

D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

E1 - OSPF external type 1, E2 - OSPF external type 2

i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2

ia - IS-IS inter area, * - candidate default, U - per-user static route

o - ODR, P - periodic downloaded static route

Gateway of last resort is 0.0.0.0 to network 0.0.0.0

222.128.50.0/32 is subnetted, 2 subnets

C

222.128.50.112 is directly connected, Dialer1

C

222.128.50.65 is directly connected, Dialer1

C

192.168.8.0/24 is directly connected, FastEthernet0/0

S

192.168.9.0/24 [70/0] via 192.168.8.254

S

192.168.11.0/24 [70/0] via 192.168.8.254

S

192.168.7.0/24 [70/0] via 192.168.8.254

S*

0.0.0.0/0 is directly connected, Dialer1

完全实现了线路的自动切换与恢复。

深圳端切换配置：

ip sla monitor 1

type echo protocol ipIcmpEcho 192.168.100.1

timeout 999

frequency 1

ip sla monitor schedule 1 life forever start-time now

track 1 rtr 1 reachability

ip route 0.0.0.0 0.0.0.0 192.168.100.1 60 track 1

ip route 0.0.0.0 0.0.0.0 Dialer1 70

深圳端相对简单，配置原理与北京端相同，在此也不再阐述相关配置了。

在此需要特别注意的地方是，像电信所提供的数字线路，一定需要配合使用监视组来查看业务是否中断，因为当一端DOWN后，而另一端的链路由于连接的是运营商端，只要客户端与运营商端线路正常，那么另一端协议以及端口都会处于UP状态，那么也不能使管理距离为60的路由在路由表里及时删除也会造成管理距离为70的路由被放到路由表。

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