Checking Whether Route Flapping Occurs

Procedure

  1. Run the display ip routing-table command to check whether route flapping occurs.

    [HUAWEI] display ip routing-table
    Route Flags: R - relay, D - download to fib
    ------------------------------------------------------------------------------
    Routing Tables: Public 
            Destinations : 16       Routes : 16           
    Destination/Mask    Proto   Pre  Cost      Flags NextHop         Interface  
            0.0.0.0/0   Static  60   0          RD   192.168.108.1   MEth0/0/1

    Observe the next hop entry of the route to the destination IP address and check whether the outbound interface information has changes. If the information changes frequently, check whether IP addresses conflict or interface flaps.

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