All MIBs › COMTROL-ES8510-MIB › stpPerPortInfoRole
stpPerPortInfoRole
Module: COMTROL-ES8510-MIB
OID (symbolic): COMTROL-ES8510-MIB::stpPerPortInfoRole
OID (numeric): 1.3.6.1.4.1.2882.2.1.1.4.6.2.1.2
Node type: OBJECT-TYPE
Type: INTEGER
Access: read-only
Description: Descriptive information about RSTP switch port roles: root(1) A forwarding port that has been elected for the spanning-tree topology. alternate(2) An alternate path to the root bridge. This path is different than using the root port. designated(3) A forwarding port for every LAN segment. backup(4) A backup/redundant path to a segment where another switch port already connects. disabled(5) RSTP is disabled on this port.
What is stpPerPortInfoRole?
This read-only value reports the RSTP role the spanning-tree algorithm has currently assigned to this port: root, alternate, designated, backup, or disabled. An admin checks this to understand exactly what each port is doing in the live topology, beyond just its forwarding state. For example, seeing designated(3) on a port confirms it is actively the chosen forwarder for its attached LAN segment, rather than sitting in a standby alternate or backup role.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2882.2.1.1.4.6.2.1.2 snmpwalk -v2c -c public <target> COMTROL-ES8510-MIB::stpPerPortInfoRole
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.2882.2.1.1.4.6.2.1.2.1 snmpget -v2c -c public <target> COMTROL-ES8510-MIB::stpPerPortInfoRole.1
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OID Breakdown
Upper-level ancestors (6 from the standard OID tree / other modules)
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | AirPair-MIB |
| 1.3.6 | dod | AirPair-MIB |
| 1.3.6.1 | internet | AirPair-MIB |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.2882 | comtrol | COMTROL-ES8510-MIB |
| 1.3.6.1.4.1.2882.2 | products | COMTROL-ES8510-MIB |
| 1.3.6.1.4.1.2882.2.1 | managedSwitch | COMTROL-ES8510-MIB |
| 1.3.6.1.4.1.2882.2.1.1 | es8510 | COMTROL-ES8510-MIB |
| 1.3.6.1.4.1.2882.2.1.1.4 | networkRedundancy | COMTROL-ES8510-MIB |
| 1.3.6.1.4.1.2882.2.1.1.4.6 | stpBridgeInformation | COMTROL-ES8510-MIB |
| 1.3.6.1.4.1.2882.2.1.1.4.6.2 | stpPerPortInfoTable | COMTROL-ES8510-MIB |
| 1.3.6.1.4.1.2882.2.1.1.4.6.2.1 | stpPerPortInfoEntry | COMTROL-ES8510-MIB |
| 1.3.6.1.4.1.2882.2.1.1.4.6.2.1.2 | stpPerPortInfoRole | COMTROL-ES8510-MIB |