Enabling The Sending Of Flush Messages; Smart Link Switch Configuration Example - H3C S9500E Series Configuration Manual

The preemption delay configuration takes effect only after role preemption is enabled.

Enabling the sending of flush messages

To enable the sending of flush messages:
To do...
1. Enter system view
2. Create a Smart Link group and
enter Smart Link group view
3. Enable flush update in the
specified control VLAN
The control VLAN configured for a Smart Link group must be different from that configured for any other
•
Smart Link group.
Make sure that the configured control VLAN already exists, and assign the Smart Link group member
•
ports to the control VLAN.
Do not remove the control VLAN. Otherwise, flush messages cannot be sent properly.
•

Smart Link switch configuration example

By default, Ethernet, VLAN, and aggregate interfaces are in DOWN state. Before configuring these
interfaces, use the undo shutdown command to bring them up.
Network requirements
•
Create Smart Link group 1.
•
The protected VLANs of Smart Link group 1 are mapped to MSTI 0 through 8.
•
Configure GigabitEthernet 4/0/1 as the master port of the Smart Link group, and
GigabitEthernet 4/0/2 as the subordinate port.
•
Configure VLAN 20 for flush update.
Configuration procedure
<Sysname> system-view
[Sysname] vlan 20
Use the command...
system-view
smart-link group
group-id
flush enable [ control-
vlan vlan-id ]
94
Remarks
—
Required
Optional
By default, flush update is enabled, and
VLAN 1 is the control VLAN.