Advantech EKI-9312P Series, Руководство пользователя

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M
ANAGEMENT
I
NTERFACE
MST Configuration/Status
The Spanning Tree MST Configuration/Status page allows users to create MSTs and
configure settings for each MST. To access this page, click
Switching > Spanning Tree >
MST Configuration/Status .
Figure 3-117. Switching > Spanning Tree > MST Configuration/Status
The following table describes the items in the previous menu.
Table 3-114. Switching > Spanning Tree > MST Configuration/Status
Parameter Description
MST Click the drop-down menu to create a new MST or select an existing one to config-
ure.
MST ID Enter 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.
Priority Enter the bridge priority for the MST instance selected.The value lies between 0 to
61440. The bridge priority is set in multiples of 4096. For example if the priority is
attempted to be set to any value between 0 and 4095, it will be set to 0. If it is tried
to be set to any value between 4096 and (2*4096-1) it will be set to 4096 and so
on.The default priority is 32768.
Associated VLANs Click the drop-down menu to add or delete an associated VLAN to this entry. 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.
Bridge Identifier Displays 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 Topol- Displays the time in seconds since the topology of the selected MST instance last
ogy Change changed.
Topology Change Displays the number of times topology has changed for the selected MST instance.
Count
Topology Change Displays 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 Displays the bridge identifier of the root bridge. It is made up from the bridge prior-
ity and the base MAC address of the bridge.
Root Path Cost Displays the path cost to the Designated Root for this MST instance.
Root Port Displays the port to access the Designated Root for this MST instance.
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