Planet Technology WGSW-48040 - Manual (Page 107)

User’s Manual of WGSW-24020/WGSW-48040
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The page contains the following fields:
Region Name
Where provides a user-defined STP region name.
Revision
Where defines unsigned 16-bit number that identifies the revision of the current
MST configuration. The revision number is required as part of the MST
configuration.
The possible field range 0-65535.
Max Hops
Which indicates the total number of hops that occur in a specific region before the
BPDU is discarded. Once the BPDU is discarded, the port information is aged out.
The possible field range is 1-40.
The field default is 20 hops.
IST Master
Where identifies the Spanning Tree Master instance. The IST Master is the
specified instance root.
4.9.6 MSTP Instance Settings
MSTP opreation maps VLANs into STP instances (see figure 4-53) Packets assigned to various VLANs are transmitted along
different paths within Multiple Spanning Trees Regions (MST Regions), Regions are one or more Multiple Spanning Tree
bridges by which frames can be transmitted. In configuring MST, the MST region to which the device belongs is defined. A
configuration consists of the name, revision, and region to which the device belongs.
Network Administrators can define MSTP Instances settings using the MSTP Instance Settings screen.
Figure 4-53 MSTP Instance Settings screen