108[DeviceA] interface gigabitethernet 1/0/2[DeviceA-GigabitEthernet1/0/2] port link-type trunk[DeviceA-GigabitEthernet1/0/2] port trunk permit vlan 1 to 30[DeviceA-GigabitEthernet1/0/2] smart-link flush enable control-vlan 10 20[DeviceA-GigabitEthernet1/0/2] quit6. Verify the configuration:You can use the display smart-link group command to display the smart link group configurationon a device.# Display the smart link group configuration on Device C.[DeviceC] display smart-link group 1Smart link group 1 information:Device ID: 000f-e23d-5af0Preemption mode: NONEPreemption delay: 1(s)Control VLAN: 10Protected VLAN: Reference Instance 1Member Role State Flush-count Last-flush-time-----------------------------------------------------------------------------GigabitEthernet1/0/1 MASTER ACTVIE 5 16:37:20 2013/02/21GigabitEthernet1/0/2 SLAVE STANDBY 1 17:45:20 2013/02/21You can use the display smart-link flush command to display the flush messages received on adevice.# Display the flush messages received on Device B.[DeviceB] display smart-link flushReceived flush packets : 5Receiving interface of the last flush packet : GigabitEthernet1/0/3Receiving time of the last flush packet : 16:25:21 2013/02/21Device ID of the last flush packet : 000f-e23d-5af0Control VLAN of the last flush packet : 10Multiple smart link groups load sharing configuration exampleNetwork requirementsAs shown in Figure 24, Device C is a smart link device, and Device A, Device B, and Device D areassociated devices. Traffic of VLANs 1 through 200 on Device C are dually uplinked to Device A byDevice B and Device D.Implement dual uplink backup and load sharing on Device C: traffic of VLANs 1 through 100 is uplinkedto Device A by Device B; traffic of VLANs 101 through 200 is uplinked to Device A by Device D.
