静态路由快速重路由

实验TOP：

 

要求：当Router S和Router D之间的链路出现故障时，可以快速切换到通过Router A的链路上。

配置：

Router S:
==========================================================

<H3C>sy
[H3C]int e0/1/0
[H3C-Ethernet0/1/0]ip add 192.168.1.1 255.255.255.0
[H3C-Ethernet0/1/0]un shut
[H3C-Ethernet0/1/0]quit
[H3C]int e0/1/1
[H3C-Ethernet0/1/1]ip add 192.168.3.1 255.255.255.0
[H3C-Ethernet0/1/1]un shut
[H3C-Ethernet0/1/1]quit
[H3C]int lo0
[H3C-LoopBack0]ip add 1.1.1.1 255.255.255.255
[H3C-LoopBack0]quit
[H3C]ip route-static 4.4.4.4 32 Ethernet 0/1/1 192.168.3.2
[H3C]bfd echo-source-ip 1.1.1.1
[H3C]ip ip-prefix abc index 10 permit 4.4.4.4 32
[H3C]route-policy kalng permit node 10
[H3C-route-policy]if-match ip-prefix abc
[H3C-route-policy]apply fast-reroute backup-interface e0/1/0 backup-nexthop 192.168.1.2                    
[H3C-route-policy]quit
[H3C]ip route-static fast-reroute route-policy kalng

 

Router A

=================================================================

[H3C]int e0/1/0
[H3C-Ethernet0/1/0]ip add 192.168.1.2 255.255.255.0
[H3C-Ethernet0/1/0]un shut
[H3C-Ethernet0/1/0]quit
[H3C]int e0/1/1
[H3C-Ethernet0/1/1]ip add 192.168.2.2 255.255.255.0
[H3C-Ethernet0/1/1]un shu
[H3C-Ethernet0/1/1]quit
[H3C]ip route-static 1.1.1.1 32 Ethernet 0/1/0 192.168.1.1
[H3C]ip route-static 4.4.4.4 32 Ethernet 0/1/1 192.168.2.1

 

 

Router D

============================================================

<H3C>sys
[H3C]int e0/1/0
[H3C-Ethernet0/1/0]ip add 192.168.2.1 255.255.255.0
[H3C-Ethernet0/1/0]un shu
[H3C-Ethernet0/1/0]quit
[H3C]int e0/1/1
[H3C-Ethernet0/1/1]ip add 192.168.3.2 255.255.255.0
[H3C-Ethernet0/1/1]un shu
[H3C-Ethernet0/1/1]quit
[H3C]int lo0
[H3C-LoopBack0]ip add 4.4.4.4 255.255.255.0
[H3C]ip route-static 1.1.1.1 32 Ethernet 0/1/1 192.168.3.1
[H3C]bfd echo-source-ip 4.4.4.4
[H3C]ip ip-prefix abc index 10 permit 1.1.1.1 32
[H3C]route-policy kalng permit node 10
[H3C-route-policy]if-match ip-prefix abc
[H3C-route-policy]apply fast-reroute backup-interface e0/1/0 backup-nexthop 192.168.2.1                  
[H3C-route-policy]quit
[H3C]ip route-static fast-reroute route-policy kalng