H3C Technologies H3C S10500 Series Switches - Manual (Page 121)

112
Preemption delay: 1(s)
Preemption mode: ROLE
Control VLAN: 10
Protected VLAN: Reference Instance 1
Member Role State Flush-count Last-flush-time
-----------------------------------------------------------------------------
GigabitEthernet1/0/1 MASTER ACTVIE 5 16:37:20 2010/02/21
GigabitEthernet1/0/2 SLAVE STANDBY 1 17:45:20 2010/02/21
Smart link group 2 information:
Device ID: 000f-e23d-5af0
Preemption mode: ROLE
Preemption delay: 1(s)
Control VLAN: 110
Protected VLAN: Reference Instance 2
Member Role State Flush-count Last-flush-time
-----------------------------------------------------------------------------
GigabitEthernet1/0/2 MASTER ACTVIE 5 16:37:20 2010/02/21
GigabitEthernet1/0/1 SLAVE STANDBY 1 17:45:20 2010/02/21
You can use the display smart-link flush command to display the flush messages received on a device.
# Display the flush messages received on Device B.
[DeviceB] display smart-link flush
Received flush packets : 5
Receiving interface of the last flush packet : GigabitEthernet1/0/2
Receiving time of the last flush packet : 16:25:21 2010/02/21
Device ID of the last flush packet : 000f-e23d-5af0
Control VLAN of the last flush packet : 10
Smart Link and CFD collaboration configuration example
Network requirements
As shown in
Figure
28 :
• Device A, Device B, Device C, and Device D form a maintenance domain (MD) of level 5. Device
C is a smart link device, and Device A, Device B, and Device D are associated devices. Traffic of
VLANs 1 through 200 on Device C is dually uplinked to Device A by Device B and Device D.
• Configure the CFD CC function for Smart Link, so that; Traffic of VLANs 1 through 100 is uplinked
to Device A by Device C through GigabitEthernet 1/0/1 (master port of smart link group 1). Traffic
of VLANs 101 through 200 is uplinked to Device A by Device C through GigabitEthernet 1/0/2
(master port of smart link group 2). When the link between Device C and Device A fails, traffic is
rapidly switched to the slave port of each smart link group, and switched back to the master ports
after the fault is cleared.
NOTE:
For more information about CFD, see the chapter “CFD configuration.”