1-6 
 
Destination/Mask    Proto  Pre  Cost         NextHop         Interface 
 
10.1.1.0/24         Static 60   0            10.2.1.1        Vlan3 
10.2.1.0/24         Direct 0    0            10.2.1.2        Vlan3 
10.2.1.2/32         Direct 0    0            127.0.0.1       InLoop0 
127.0.0.0/8         Direct 0    0            127.0.0.1       InLoop0 
127.0.0.1/32        Direct 0    0            127.0.0.1       InLoop0 
The output information above indicates the NQA test result, that is, the next hop 10.2.1.1 is reachable 
(the status of the Track object is Positive), and the configured static route is valid. 
# Remove the IP address of interface VLAN-interface 3 on Switch B. 
<SwitchB> system-view 
[SwitchB] interface vlan-interface 3 
[SwitchB-Vlan-interface3] undo ip address 
# Display information of the Track object on Switch A. 
[SwitchA] display track all 
Track ID: 1 
  Status: Negative 
  Reference object: 
    NQA entry: admin test 
    Reaction: 1 
# Display the routing table of Switch A. 
[SwitchA] display ip routing-table 
Routing Tables: Public 
         Destinations : 4        Routes : 4 
 
Destination/Mask    Proto  Pre  Cost         NextHop         Interface 
 
10.2.1.0/24         Direct 0    0            10.2.1.2        Vlan3 
10.2.1.2/32         Direct 0    0            127.0.0.1       InLoop0 
127.0.0.0/8         Direct 0    0            127.0.0.1       InLoop0 
127.0.0.1/32        Direct 0    0            127.0.0.1       InLoop0 
The output information above indicates the NQA test result, that is, the next hop 10.2.1.1 is unreachable 
(the status of the Track object is Negative), and the configured static route is invalid.