Table 62 Field description

Field

Description

[FORWARDING]

The port is in forwarding state, so the port learns MAC addresses and

forwards user traffic.

 

 

 

[LEARNING]

The port is in learning state, so the port learns MAC addresses but does not

forward user traffic.

 

 

 

[DISCARDING]

The port is in discarding state, so the port does not learn MAC addresses or

forward user traffic.

 

 

 

[DOWN]

The port is down.

 

 

Port Protocol

Whether STP is enabled on the port.

 

 

Port Role

Role of the port, which can be Alternate, Backup, Root, Designated, Master,

or Disabled.

 

 

 

Port Priority

Priority of the port.

 

 

 

Path cost of the port. The field in the bracket indicates the standard used for

Port Cost(Legacy)

port path cost calculation, which can be legacy, dot1d-1998, or dot1t.

 

Config indicates the configured value, and Active indicates the actual value.

 

 

 

Designated bridge ID and port ID of the port.

Desg. Bridge/Port

The port ID displayed is insignificant for a port that does not support port

 

priority.

 

 

 

Whether the port is an edge port:

Port Edged

Config—The configured value.

 

Active—The actual value.

 

 

 

Whether the port is connected to a point-to-point link:

Point-to-point

Config—The configured value.

 

Active—The actual value.

 

 

Transmit Limit

Maximum number of packets sent within each Hello time.

 

 

 

Protection type on the port:

 

Root—Root guard.

Protection Type

Loop—Loop guard.

 

BPDU—BPDU guard.

 

None—No protection.

 

 

 

Format of the MST BPDUs that the port can send, which can be legacy or

MST BPDU Format

802.1s. Config indicates the configured value, and Active indicates the

 

actual value.

 

 

 

Port Config-

Whether digest snooping is enabled on the port.

Digest-Snooping

 

 

 

 

Rapid transition

Whether the current port rapidly transits to the forwarding state.

 

 

Num of Vlans Mapped

Number of VLANs mapped to the current MSTI.

 

 

 

198