H3C Technologies H3C WX3000E Series Wireless Switches - Manual (Page 68)

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Figure 16 Basic concepts in MSTP
Figure 17 Network diagram and topology of MST region 3
MST region
A multiple spanning tree region (MST region) consists of multiple devices in a switched network and the
network segments among them. All these devices have the following characteristics:
• A spanning tree protocol enabled
• Same region name
MST region 1
MST region 2 MST region 3
MST region 4
VLAN 1 MSTI 1
VLAN 2 MSTI 2
Other VLANs MSTI 0
VLAN 1 MSTI 1
VLAN 2 MSTI 2
Other VLANs MSTI 0
VLAN 1 MSTI 1
VLAN 2 MSTI 2
Other VLANs MSTI 0
VLAN 1 MSTI 1
VLAN 2&3 MSTI 2
Other VLANs MSTI 0
CST