1-6 
Displaying and Debugging Smart Link 
After the above-mentioned configuration, you can use the following display commands in any view to 
view the Smart Link group information and the statistics information of flush messages received and 
processed by current device, so as to verify the configuration.  
Use the reset command in user view to clear flush message statistics. 
Table 1-5 Display and debug Smart Link 
Operation  Command  Remarks 
Display the information of a Smart Link 
group
 
display smart-link group 
{ group-id | all } 
Display the statistics information of 
flush messages received and 
processed by the current device 
display smart-link flush 
You can execute the 
display command in any 
view. 
 
Clear flush message statistics
 
reset smart-link packets 
counter 
You can execute the 
reset command in user 
view. 
 
Smart Link Configuration Example 
Implementing Link Redundancy Backup 
Network requirements 
As shown in Figure 1-3, Switch A is a 3Com switch 4210. Switch C, Switch D and Switch E support 
Smart Link. Configure Smart Link feature to provide remote PCs with reliable access to the server. 
Network diagram 
Figure 1-3 Network diagram for Smart Link configuration  
Switch A
Eth1/0/1 Eth1/0/2
Switch C
Server
Eth1/0/1
Eth1/0/2 Eth1/0/2
PC
Switch D
Switch E
Eth1/0/3Eth1/0/2
Eth1/0/1