Delta DVS-328 series, Руководство пользователя

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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
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Item Description
Port Role
The role type of the interface in the spanning tree: One of the following options
is displayed:

Root

Master

Designated

Alternate

Backup

Disabled
Designated Root
The identifier of the root bridge of CIST. The identifier consists of the bridge
priority and the base MAC address of the STP bridge.
Designated Cost
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.
Root Priority The priority of the CST root. The default root priority is 32768.
Designated Bridge
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.
Designated Port
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.
Edge Port
The edge port status of the interface:

Enabled: The interface is an edge port.

Disabled: The interface is not an edge port.
Point-to-Point MAC
Connection types:

True: The connection is a point-to-point connection.

False: The connection is a shared LAN connection.
CST Regional Root
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.
Regional Root Priority The priority of the regional root. The default regional root priority is 32768.
Regional Path Cost The path cost to the regional root.
CST Path Cost The path cost to the CST tree regional root.
3.3.1.5 MST Configuration