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LB9 User’s Guide 1199/1523
11.3.24.3 Configuring Spanning Tree MST Configuration Page
Selection Criteria
MST ID - Create a new MST which you wish to configure or configure already existing MSTs.
Configurable Data
MST ID - This is only visible when the select option of the MST ID select box is selected. The ID of
the MST being created. Valid values for this are between 1 and 4054.
Priority - The bridge priority for the MST instance selected. The bridge priority is set in multiples of
4096. For example if you attempt to set the priority to any value between 0 and 4095, it will be set to
0. If you attempt to set any value between 4096 and (2*4096-1) it will be set to 4096 and so on.
Associated VLANs - This gives a list of VLANs associated to the MST instance. Non-configured
VLANs can be added to or deleted from the MST instance by selecting Add/Delete option and
entering the VLAN ID in the VLAN ID-Individual/Range text-box.
Non-Configurable Data
Bridge identifier - The bridge identifier for the selected MST instance. It is made up using the bridge
priority and the base MAC address of the bridge.
Time since topology change - The time in seconds since the topology of the selected MST
instance last changed.
Topology change count - Number of times the topology has changed for the selected MST
instance.
Topology change - The value of the topology change parameter for the switch indicating if a
topology change is in progress on any port assigned to the selected MST instance. It takes a value if
True or False.
Designated root - The bridge identifier of the root bridge. It is made up from the bridge priority and
the base MAC address of the bridge
Root Path Cost - Path Cost to the Designated Root for this MST instance.
Root port - Port to access the Designated Root for this MST instance.
Command Buttons
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