DVS Series Managed Industrial Ethernet Switches User’s Manual
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Description Factory Default
Configuration Digest Key
This field displays a calculated value from the MSTP configuration.
The switches are qualified by the key and function in the same
region.
Fixed
Configuration Format Selector
This field displays the configuration identifier format selector that is
used.
0
STP Status
Description Factory Default
MST ID
The ID of the MST instance. 0
VID
The VLAN ID. 1
FID
The filtering ID (FID). 1
3.3.1.2 CST Configuration
Internal Spanning Tree (IST) is one of spanning trees in the MST region. Common Spanning Tree
(CST) interconnects ISTs in the MST region. And Common and Internal Spanning Tree (CIST)
consist of IST and CST.