Manual

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177
9. Configure the FLUSH mode once topology changes
20.3 MSTP Example
The following is a typical MSTP application example:
Typical MSTP Application Scenario
restores to use the generated string.
Command
Explanation
Global Mode
spanning-tree tcflush {enable| disable| protect}
no spanning-tree tcflush
Enable: the spanning-tree flush once the
topology changes.
Disable: the spanning tree don’t flush
when the topology changes.
Protect: the spanning-tree flush not more
than one time every ten seconds.
The no command restores to default
setting, enable flush once the topology
changes.
Port Mode
spanning-tree tcflush {enable| disable| protect}
no spanning-tree tcflush
Configure the port flush mode.
The no command restores to use the
global configured flush mode.
SW1
SW2
SW3
SW4
1
1
1
2
2
2
X
3
X
3
4
4
5
5
X
6
7
6
X
x
7
X