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Table 54 Advanced Application > Spanning Tree Protocol > Status: MSTP (continued)
LABEL
DESCRIPTION
Port ID
This is the priority and number of the port on the Switch through which this Switch must
communicate with the root of the Spanning Tree.
Configuration
This field displays the configuration name for this MST region.
Name
Revision Number
This field displays the revision number for this MST region.
Configuration
A configuration digest is generated from the VLAN-MSTI mapping information.
Digest
This field displays the 16-octet signature that is included in an MSTP BPDU. This field
displays the digest when MSTP is activated on the system.
Topology Changed
This is the number of times the spanning tree has been reconfigured.
Times
Time Since Last
This is the time since the spanning tree was last reconfigured.
Change
Instance:
These fields display the MSTI to VLAN mapping. In other words, which VLANs run on each
spanning tree instance.
Instance
This field displays the MSTI ID.
VLAN
This field displays which VLANs are mapped to an MSTI.
MSTI
Select the MST instance settings you want to view.
Bridge
Root refers to the base of the MST instance. Our Bridge is this Switch. This Switch may
also be the root bridge.
Bridge ID
This is the unique identifier for this bridge, consisting of bridge priority plus MAC address.
This ID is the same for Root and Our Bridge if the Switch is the root switch.
Internal Cost
This is the path cost from the root port in this MST instance to the regional root switch.
Port ID
This is the priority and number of the port on the Switch through which this Switch must
communicate with the root of the MST instance.
Chapter 11 Spanning Tree Protocol
XS3700 Series User's Guide
125
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