Technical Reference - ZyXEL Communications GS 2200 Manual

Intelligent layer 2 gbe switch
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Table 36 Advanced Application > Spanning Tree Protocol > Status: MSTP (continued)
LABEL
Port ID
Configuration
Name
Revision Number
Configuration
Digest
Topology Changed
Times
Time Since Last
Change
Instance:
Instance
VLAN
MSTI
Bridge
Bridge ID
Internal Cost
Port ID

13.10 Technical Reference

This section provides technical background information on the topics discussed in this chapter.
GS2200-8/24 User's Guide
DESCRIPTION
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.
This field displays the configuration name for this MST region.
This field displays the revision number for this MST region.
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.
This is the number of times the spanning tree has been reconfigured.
This is the time since the spanning tree was last reconfigured.
These fields display the MSTI to VLAN mapping. In other words, which VLANs run on each
spanning tree instance.
This field displays the MSTI ID.
This field displays which VLANs are mapped to an MSTI.
Select the MST instance settings you want to view.
Root refers to the base of the MST instance. Our Bridge is this switch. This Switch may
also be the root bridge.
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.
This is the path cost from the root port in this MST instance to the regional root switch.
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 13 Spanning Tree Protocol
125

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