Planet Networking & Communication WGS3-2820 User Manual page 138

Time since topology change - The time in seconds since the topology of the CST last changed.
。
Topology change count - Number of times topology has changed for the CST.
。
Time since topology change - The time in seconds since the topology of the
。
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 of 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 the CST.
。
Root Port - Port to access the Designated Root for the CST.
。
Max Age - Path Cost to the Designated Root for the CST.
。
Forward Delay - Derived value of the Root Port Bridge Forward Delay parameter.
。
Hold Time - Minimum time between transmission of Configuration BPDUs.
。
CST Regional Root - Priority and base MAC address of the CST Regional Root.
。
CST Path Cost - Path Cost to the CST tree Regional Root.
。
4.3.8.3 Spanning Tree MST Configuration/Status
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 4094.
Figure 4-3-35 Spanning Tree MST Configuration/Status
138
User's Manual of WGS3-2820/WGS3-5220