Chapter 3: Configuration
Parameter Description
Configuration Identification
•Configuration Name: The name identifying the VLAN to MSTI mapping. Bridges must share the name and revision (see below), as well as the
•Configuration Revision: The revision of the MSTI configuration named above. This must be an integer between 0 and 65535.
MSTI Mapping
•MSTI: The bridge instance. The CIST is not available for explicit mapping, because it receives the VLANs not explicitly mapped.
•VLANs Mapped: The list of VLANs mapped to the MSTI. The VLANs must be separated with a comma and/or a space. A VLAN can only be mapped to one MSTI. An unused MSTI should just be left empty. (I.e. not having any VLANs).
•Buttons:
-Save: Click to save changes.
-Reset: Click to undo any changes made locally and revert to previously saved values.
3.4.3 MSTI Priorities
When you implement a Spanning Tree protocol on the switch, that is a bridge instance. The CIST is the default instance, and it is always active because it controls the bridge priority. Lower numeric values have better priority. The bridge priority plus the MSTI instance number, concatenated with the
This section describes it and enables the user to inspect and change the STP MSTI bridge instance priority configurations.
Web Interface
To configure the Spanning Tree MSTI Priorities parameters in the Web interface:
1.Click Configuration, Spanning Tree, MSTI Priorities.
2.Scroll the Priority maximum is 240. Default is 128.
3.Click the Save button to save the setting.
4.To cancel the settings changes, click the Reset button to revert to previously saved values.
Figure 3-20. The MSTI Configuration screen.
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