tpStpPortRole

Displays the role of the port played in the STP Instance.
1.Disable:Indicates the port that is not participating in the STP.
2.Alternate:Indicates the port that can be a backup port of a root or master port.
3.Backup:Indicates the port that is the backup port of a designated port. 
4.Designated:Indicates the port that forwards packets to a downstream network 
    segment or switch.
5.root:Indicates the port that has the lowest path cost from this bridge to the 
    Root Bridge and forwards packets to the root. 
6.Master:Indicates the port that connects a MST region to the common root. 
    The path from the master port to the common root is the shortest path between 
    this MST region and the common root.

MIB

TPLINK-SPANNING-TREE-MIB

OID

.1.3.6.1.4.1.11863.6.21.1.2.1.1.10

Type

column

Access

readonly

Status

current

Parent

tpStpPortConfigEntry