配置浮動路由，實現鏈路冗餘

                     配置浮動路由，實現鏈路冗餘

一、創建實驗環境
1、路由器R1\R2 交換機SW1\SW2 PC1\PC2
#配置端口IP地址
R1 #interface gigabitethernet0/0/1
undo shutdown
ip address 192.168.2.1 255.255.255.0

      #interface gigabitethernet0/0/2
       undo shutdown
       ip address 192.168.4.1 255.255.255.0

      #interface gigabitethernet0/0/0
       undo shutdown
       ip address 192.168.1.1 255.255.255.0

   #配置靜態路由和優先級
       ip route-staeic 192.168.3.0 255.255.255.0 192.168.2.2 preference 110
       ip route-staeic 192.168.3.0 255.255.255.0 192.168.4.2 preference 120

R2 #interface gigabitethernet0/0/0
undo shutdown
ip address 192.168.2.2 255.255.255.0

      #interface gigabitethernet0/0/2
       undo shutdown
       ip address 192.168.4.2 255.255.255.0

      #interface gigabitethernet0/0/1
       undo shutdown
       ip address 192.168.3.1 255.255.255.0

    #配置靜態路由和優先級
       ip route-staeic 192.168.1.0 255.255.255.0 192.168.2.1 preference 110
       ip route-staeic 192.168.1.0 255.255.255.0 192.168.4.1 preference 120

    #查看靜態路由表 dis ip routing  路由表只會顯示優先級高的靜態路由，如果優先級高的線路壞了
     那麼優先級低的路由表纔會出現在路由表中，它們是不會同時出現在路由表中的