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Chapter 11 Spanning Tree Protocol
ES-2024 Series User’s Guide
107
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
Name
This field displays the configuration name for this MST region.
Revision Number This field displays the revision number for this MST region.
Configuration
Digest
A configuration digest is generated from the VLAN-MSTI mapping information.
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 Times
This is the number of times the spanning tree has been reconfigured.
Time Since Last
Change
This is the time since the spanning tree was last reconfigured.
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.
Table 26 Advanced Application > Spanning Tree Protocol > Status: MSTP (continued)
LABEL DESCRIPTION