MELLANOX-XSTP-MIB :: mellanoxXstpRootPathCost

MIB Reference — IPNetwork Monitor · Updated September 21, 2026

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mellanoxXstpRootPathCost

Module: MELLANOX-XSTP-MIB

OID (symbolic): MELLANOX-XSTP-MIB::mellanoxXstpRootPathCost

OID (numeric): 1.3.6.1.4.1.33049.13.1.2.1.1.4

Node type: OBJECT-TYPE

Type: Integer32

Access: read-only

Description: Root port path cost from the transmitting Bridge to the Root Bridge for the STI.

What is mellanoxXstpRootPathCost?

This is the cumulative path cost from this switch to the root bridge for the spanning tree instance. Network admins use it to understand how many cost-weighted hops or link-speed penalties separate this bridge from the root, which affects which port becomes the root port. For example, a root path cost of 20000 versus a neighboring switch's 40000 indicates this switch has a shorter, faster path toward the root bridge.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.33049.13.1.2.1.1.4
snmpwalk -v2c -c public <target> MELLANOX-XSTP-MIB::mellanoxXstpRootPathCost

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.33049.13.1.2.1.1.4.1
snmpget -v2c -c public <target> MELLANOX-XSTP-MIB::mellanoxXstpRootPathCost.1

Start monitoring Mellanox Technologies switch (MSTP/PVRST+ spanning tree) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the MELLANOX-XSTP-MIB::mellanoxXstpRootPathCost OID value, configure state conditions and alerts, and monitor any Mellanox Technologies switch (MSTP/PVRST+ spanning tree) from a single console.

OID Breakdown

Upper-level ancestors (8 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.6dodAirPair-MIB
1.3.6.1internetAirPair-MIB
1.3.6.1.4privateAirPair-MIB
1.3.6.1.4.1enterprisesAirPair-MIB
1.3.6.1.4.1.33049mellanoxMELLANOX-MIB
1.3.6.1.4.1.33049.13mellanoxXstpMELLANOX-SMI-MIB
Numeric OIDNameModule
1.3.6.1.4.1.33049.13.1mellanoxXstpMibMELLANOX-XSTP-MIB
1.3.6.1.4.1.33049.13.1.2mellanoxXstpObjectsMELLANOX-XSTP-MIB
1.3.6.1.4.1.33049.13.1.2.1mellanoxXstpTableMELLANOX-XSTP-MIB
1.3.6.1.4.1.33049.13.1.2.1.1mellanoxXstpEntryMELLANOX-XSTP-MIB
1.3.6.1.4.1.33049.13.1.2.1.1.4mellanoxXstpRootPathCostMELLANOX-XSTP-MIB