Mst Configuration - Delta DVS-328 series User Manual

D V S M a n a g e d I n d u s t r i a l R a c k Mo u n t E t h e r n e t S wi t c h U s e r Ma n u a l
Item
Port Role
Designated Root
Designated Cost
Root Priority
Designated Bridge
Designated Port
Edge Port
Point-to-Point MAC
CST Regional Root
Regional Root Priority
Regional Path Cost
CST Path Cost

3.3.1.5 MST Configuration

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The role type of the interface in the spanning tree: One of the following options
is displayed:
 Root
 Master
 Designated
 Alternate
 Backup
 Disabled
The identifier of the root bridge of CIST. The identifier consists of the bridge
priority and the base MAC address of the STP bridge.
The path cost that is advertized by the designated port to the LAN.
Note:
Interfaces with a lower cost are less likely to be blocked if STP
detects loops.
The priority of the CST root. The default root priority is 32768.
The identifier of the bridge with the designated port. The identifier consists of the
bridge priority and the base MAC address of the STP bridge.
The port identifier on the designated bridge that offers the lowest cost to the
LAN. The identifier consists of the port priority and the interface number.
Note:
If the port is the designated port, the identifiers in the Port ID and
Designated Port fields are identical. If the port is not the
designated port, that is, there is a root port and an alternate port,
the identifiers in the Port ID and Designated Port fields are
different.
The edge port status of the interface:
 Enabled: The interface is an edge port.
 Disabled: The interface is not an edge port.
Connection types:
 True: The connection is a point-to-point connection.
 False: The connection is a shared LAN connection.
The identifier of the regional root bridge of CIST. The identifier consists of the
bridge priority and the base MAC address of the STP bridge.
The priority of the regional root. The default regional root priority is 32768.
The path cost to the regional root.
The path cost to the CST tree regional root.
Description