Operation Manual – MSTP
H3C S3100 Series Ethernet Switches Chapter 1 MSTP Configuration
1-12
Figure 1-4 Basic MSTP terminologies
I. MST region
A multiple spanning tree region (MST region) comprises multiple
physically-interconnected MSTP-enabled switches and the corresponding network
segments connected to these switches. These switches have the same region name,
the same VLAN-to-MSTI mapping configuration and the same MSTP revision level.
A switched network can contain multiple MST regions. You can group multiple switches
into one MST region by using the corresponding MSTP configuration commands.
As shown in
Figure 1-4, all the switches in region A0 are of the same MST
region-related configuration, including:
z Region name
z VLAN-to-MSTI mapping (that is, VLAN 1 is mapped to MSTI 1, VLAN 2 is mapped
to instance 2, and the other VLANs are mapped to CIST.)
z MSTP revision level (not shown in Figure 1-4)
II. MSTI
A multiple spanning tree instance (MSTI) refers to a spanning tree in an MST region.
Multiple spanning trees can be established in one MST region. These spanning trees
are independent of each other. For example, each region in
Figure 1-4 contains
multiple spanning trees known as MSTIs. Each of these spanning trees corresponds to
a VLAN.
To Next Page
Loading...
Need help?
General