All MIBs › COMTROL-ES8510-MIB › mstpRootInformationRootPathCost
mstpRootInformationRootPathCost
Module: COMTROL-ES8510-MIB
OID (symbolic): COMTROL-ES8510-MIB::mstpRootInformationRootPathCost
OID (numeric): 1.3.6.1.4.1.2882.2.1.1.4.8.1.1.5
Node type: OBJECT-TYPE
Type: Integer32
Access: read-only
Description: Root Path Cost.
What is mstpRootInformationRootPathCost?
This read-only value reports the cumulative path cost from this switch to a specific MST instance's root bridge, mirroring stpRootInformationRootPathCost but scoped per instance. An admin watches this per-instance cost change after a link event to see whether that specific instance's traffic shifted to a longer backup path. For example, a rising path cost at instance 1 after a link failure confirms traffic for the VLANs in that instance rerouted, even if instance 0's CIST path cost was unaffected.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2882.2.1.1.4.8.1.1.5 snmpwalk -v2c -c public <target> COMTROL-ES8510-MIB::mstpRootInformationRootPathCost
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.2882.2.1.1.4.8.1.1.5.1 snmpget -v2c -c public <target> COMTROL-ES8510-MIB::mstpRootInformationRootPathCost.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 |
| 1.3.6.1.4.1.2882.2.1.1.4.8 | mstpBridgeInformation | COMTROL-ES8510-MIB |
| 1.3.6.1.4.1.2882.2.1.1.4.8.1 | mstpRootInformationTable | COMTROL-ES8510-MIB |
| 1.3.6.1.4.1.2882.2.1.1.4.8.1.1 | mstpRootInformationEntry | COMTROL-ES8510-MIB |
| 1.3.6.1.4.1.2882.2.1.1.4.8.1.1.5 | mstpRootInformationRootPathCost | COMTROL-ES8510-MIB |