MELLANOX-XSTP-MIB :: mellanoxXstpTopologyChange

MIB Reference — IPNetwork Monitor · Updated September 21, 2026

All MIBs › MELLANOX-XSTP-MIB › mellanoxXstpTopologyChange

mellanoxXstpTopologyChange

Module: MELLANOX-XSTP-MIB

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

OID (numeric): 1.3.6.1.4.1.33049.13.1.1.3

Node type: NOTIFICATION-TYPE

Description: A mstpTopologyChange trap is sent by a bridge when any of its configured ports in any instance transitions from the Learning state to the Forwarding state, or from the Forwarding state to the Blocking state. The trap is not sent if a mellanoxXstpRootBridgeChange trap is sent for the same transition. Varbind mellanoxXstpId is either instance ID for MSTP or VLAN Id for PVRST+.

Examples

Send this trap to an SNMP manager — replace <manager> with the IP or hostname of your monitoring server (SNMPv2c):

snmptrap -v2c -c public <manager> '' MELLANOX-XSTP-MIB::mellanoxXstpTopologyChange
snmptrap -v2c -c public <manager> '' 1.3.6.1.4.1.33049.13.1.1.3

Listen for incoming traps on the manager host (-f keeps it in the foreground, -Lo prints to stdout — useful for testing):

snmptrapd -f -Lo -c /dev/null authCommunity log public

Example snmptrapd log entry:

zoo11-linux.zoo [UDP: [192.168.30.111]:61258->[192.168.30.10]:162]:
  DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (108655434) 12 days, 13:49:14.34
  SNMPv2-MIB::snmpTrapOID.0 = OID: MELLANOX-XSTP-MIB::mellanoxXstpTopologyChange

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::mellanoxXstpTopologyChange 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
1.3.6.1.4.1.33049.13.1.1mellanoxXstpNotificationsMELLANOX-XSTP-MIB
1.3.6.1.4.1.33049.13.1.1.3mellanoxXstpTopologyChangeMELLANOX-XSTP-MIB