Mst Region - HP 6600 Configuration Manual

Figure 16 Basic concepts in MSTP
VLAN 1
VLAN 2
Other VLANs

MST region 1

MST region 2
VLAN 1
VLAN 2
Other VLANs
Figure 17 Network diagram and topology of MST region 3
To MST region 4
Device A
Device C
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 is enabled.
Same region name.
•
MSTI 1
MSTI 2
MSTI 0
MSTI 1
MSTI 2
MSTI 0
MST region 3
Device B
Device D
VLAN 1 MSTI 1
VLAN 2&3 MSTI 2
Other VLANs MSTI 0
VLAN 1
VLAN 2
Other VLANs
VLAN 1
CST
VLAN 2&3
Other VLANs
A
C
MSTI 1
A
C
MSTI 0
Topology of MSTIs in MST region 3
49
MSTI 1
MSTI 2
MSTI 0
MST region 4
MST region 3
MSTI 1
MSTI 2
MSTI 0
B A
D C
MSTI 2
B
Regional root
D MSTI
B
D