All MIBs › MSTP-MIB › swMSTPInstRootPort
swMSTPInstRootPort
Module: MSTP-MIB
OID (symbolic): MSTP-MIB::swMSTPInstRootPort
OID (numeric): 1.3.6.1.4.1.171.12.15.2.3.1.18
Node type: OBJECT-TYPE
Type: INTEGER
Access: read-only
Description: The port number of the port which offers the lowest cost path from this bridge to the CIST or MSTI root bridge.
What is swMSTPInstRootPort?
This read-only value reports the port number offering the lowest-cost path from this bridge to the CIST or MSTI root bridge for this instance. Admins check this to identify which physical port is currently the uplink toward the root for a given spanning tree instance.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.171.12.15.2.3.1.18 snmpwalk -v2c -c public <target> MSTP-MIB::swMSTPInstRootPort
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.171.12.15.2.3.1.18.1 snmpget -v2c -c public <target> MSTP-MIB::swMSTPInstRootPort.1
Start monitoring Enterprise/data-center Ethernet switches with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the MSTP-MIB::swMSTPInstRootPort OID value, configure state conditions and alerts, and monitor any Enterprise/data-center Ethernet switches from a single console.
OID Breakdown
Upper-level ancestors (8 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 |
| 1.3.6.1.4.1.171 | d_link | DE1500-MIB |
| 1.3.6.1.4.1.171.12 | dlink_common_mgmt | DLINK-ID-REC-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.171.12.15 | swMSTPMIB | MSTP-MIB |
| 1.3.6.1.4.1.171.12.15.2 | swMSTPCtrl | MSTP-MIB |
| 1.3.6.1.4.1.171.12.15.2.3 | swMSTPInstanceCtrlTable | MSTP-MIB |
| 1.3.6.1.4.1.171.12.15.2.3.1 | swMSTPInstanceCtrlEntry | MSTP-MIB |
| 1.3.6.1.4.1.171.12.15.2.3.1.18 | swMSTPInstRootPort | MSTP-MIB |