PLANET XGS3-24042 - Manual (Page 159)

17-7
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.
17.3 MSTP Example
The following is a typical MSTP application example:
Figure 17-2 Typical MSTP Application Scenario
The connections among the switches are shown in the above figure. All the switches run in the MSTP mode
by default, their bridge priority, port priority and port route cost are all in the default values (equal). The default
configuration for switches is listed below:
Bridge Name Switch1 Switch2 Switch3 Switch4
Bridge MAC
Address
…00-00-01 …00-00-02 …00-00-03 …00-00-04
Bridge Priority 32768 32768 32768 32768
P
o
rt
P
ri
o
ri
ty
Port 1 128 128 128
Port 2 128 128 128
Port 3 128 128
Port 4 128 128
Port 5 128 128
Port 6 128 128
Port 7 128 128
R
out
e
C
os
t
Port 1 200000 200000 200000
Port 2 200000 200000 200000
Port 3 200000 200000
Switch2 Switch3
Switch4
1
1
2
2
3 5 4
2
3
1
6 7
5
4 6 7
x
x x
x
x
Switch1