6 mstp instance settings – Planet Technology WGSW-48040 User Manual

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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

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