MELLANOX-XSTP-MIB :: mellanoxXstpPortRole

MIB Reference — IPNetwork Monitor · Updated September 21, 2026

All MIBs › MELLANOX-XSTP-MIB › mellanoxXstpPortRole

mellanoxXstpPortRole

Module: MELLANOX-XSTP-MIB

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

OID (numeric): 1.3.6.1.4.1.33049.13.1.2.2.1.6

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-only

Description: Current Port Role for the Port (i.e., Root, Alternate, Designated, Backup or Disabled which is relevant for PVRST+), for the STI.

What is mellanoxXstpPortRole?

This value reports the spanning-tree role currently assigned to the port -- root, alternate, designated, backup, or disabled -- for the instance. Admins check this to understand each port's function in the current topology, since it directly explains why a port is forwarding or held in reserve as a backup path. For example, a port role of alternate(2) shows that port is blocked but ready to take over instantly if the current root port fails.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.33049.13.1.2.2.1.6
snmpwalk -v2c -c public <target> MELLANOX-XSTP-MIB::mellanoxXstpPortRole

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.33049.13.1.2.2.1.6.1
snmpget -v2c -c public <target> MELLANOX-XSTP-MIB::mellanoxXstpPortRole.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::mellanoxXstpPortRole 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
1.3.6.1.4.1.33049.13.1.2.2mellanoxXstpPortTableMELLANOX-XSTP-MIB
1.3.6.1.4.1.33049.13.1.2.2.1mellanoxXstpPortEntryMELLANOX-XSTP-MIB
1.3.6.1.4.1.33049.13.1.2.2.1.6mellanoxXstpPortRoleMELLANOX-XSTP-MIB