1-9
To do... Use the 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 1-2:
z Map VLANs 1 through 10, VLANs 11 through 20, and VLANs 21 through 30 to MSTI 0, MSTI 1,
and MSTI 2 respectively.
z Traffic of VLANs 1 through 30 on Device C and Device D are dually uplinked to Device A.
z Configure Smart Link on the devices for dual uplink backup, using VLAN 1 (the default) for flush
update.
Figure 1-2 Single smart link group configuration
Device A
Device E
Device DDevice C
Device B
G
E
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0
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1
G
E
1
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0
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2
G
E
1
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0
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G
E
1
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0
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1
GE
1
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0
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GE1/0/3
GE1/0/1
GE1/0/2
GE1/0/3
GE1/0/1
GE1/0/2
Master link
Slave link
Smart link group
Configuration procedure
1) Configuration on Device C
# Create VLANs 1 through 30, map VLANs 1 through 10, VLANs 11 through 20, and VLANs 21
through 30 to MSTI 0, MSTI 1, and MSTI 2 respectively, and activate the MST region configuration.
<DeviceC> system-view
[DeviceC] vlan 1 to 30
[DeviceC] stp region-configuration
[DeviceC-mst-region] instance 0 vlan 1 to 10
[DeviceC-mst-region] instance 1 vlan 11 to 20
[DeviceC-mst-region] instance 2 vlan 21 to 30
[DeviceC-mst-region] active region-configuration
[DeviceC-mst-region] quit
# Disable STP on GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2 separately, and configure them as
trunk ports that permit VLANs 1 through 30.
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