104 
Task Command
Remarks 
Clear the statistics about flush 
messages.
 
reset smart-link statistics  Available in user view 
 
Smart Link configuration examples 
Single smart link group configuration example 
Network requirements 
As shown in Figure 23, Device C and Device D are smart link devices, and Device A, Device B, and 
Device E are associated devices. Traffic of VLANs 1 through 30 on Device C and Device D are dually 
uplinked to Device A.  
Configure Smart Link on Device C and Device D for dual uplink backup. 
Figure 23 Network diagram 
 
 
Configuration procedure 
1.  Configure Device C: 
# Create VLANs 1 through 30, map these VLANs to MSTI 1, and activate the MST region 
configuration.  
<DeviceC> system-view 
[DeviceC] vlan 1 to 30 
[DeviceC] stp region-configuration 
[DeviceC-mst-region] instance 1 vlan 1 to 30 
[DeviceC-mst-region] active region-configuration 
[DeviceC-mst-region] quit 
# Shut down GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2, disable the spanning tree 
feature on GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2 separately, configure them as 
trunk ports, and assign them to VLANs 1 through 30.  
[DeviceC] interface gigabitethernet 1/0/1 
[DeviceC-GigabitEthernet1/0/1] shutdown