2-6
Figure 2-3 Network diagram for Monitor Link configuration
BLOCK
Switch A Switch B
GE1/0/1
GE1/0/2
Switch C Switch D
Switch E
GE1/0/1
GE1/0/2
GE1/0/3
Server
GE1/0/2
GE1/0/2
GE1/0/1
GE1/0/1
GE1/0/3
GE1/0/11GE1/0/10
PC 1 PC 4PC 3PC 2
Configuration procedure
1) Enable Smart Link on Switch A and Switch B to implement link redundancy backup. Perform the
following configuration on Switch A. The configuration on Switch B is the same as on Switch A.
# Enter system view.
<switchA> system-view
# Enter Ethernet port view. Disable STP on GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2.
[SwitchA] interface GigabitEthernet 1/0/1
[SwitchA-GigabitEthernet1/0/1] stp disable
[SwitchA-GigabitEthernet1/0/1] quit
[SwitchA] interface GigabitEthernet 1/0/2
[SwitchA-GigabitEthernet1/0/2] stp disable
# Return to system view.
[SwitchA-GigabitEthernet1/0/2] quit
# Create Smart Link group 1 and enter Smart Link group view.
[SwitchA] smart-link group 1
# Configure GigabitEthernet 1/0/1 as the master port of the Smart Link group and GigabitEthernet 1/0/2
as the slave port.
[SwitchA-smlk-group1] port GigabitEthernet 1/0/1 master
[SwitchA-smlk-group1] port GigabitEthernet 1/0/2 slave
# Configure to send flush messages in VLAN 1.
[SwitchA-smlk-group1] flush enable control-vlan 1
