Planet XGS3-24042 - Page 162

17-10
forwarding. Because the instance 3 and the instance 4 are only valid in the MSTP region, the following figure
only shows the topology of the MSTP region.
Figure 17-3 The Topology Of the Instance 0 after the MSTP Calculation
Figure 17-4 The Topology Of the Instance 3 after the MSTP Calculation
Switch2
Switch3
Switch4
2 2
3 3X
4
4X
5
5X
6
7
6
7X
Switch1
Switch2
Switch3
Switch4
1
1 1X
2
2 2
3X 3
4
4
5
5X
6
7
6X
7X