All MIBs › SWL2MGMT-MIB › swL2DevAlarmNewRoot
swL2DevAlarmNewRoot
Module: SWL2MGMT-MIB
OID (symbolic): SWL2MGMT-MIB::swL2DevAlarmNewRoot
OID (numeric): 1.3.6.1.4.1.2272.1.201.1.2.1.3.1
Node type: OBJECT-TYPE
Type: INTEGER
Access: read-write
Description: When the device has become the new root of the Spanning Tree, this object decide whether to send a new root trap.
What is swL2DevAlarmNewRoot?
Read-write setting that controls whether the switch sends a new-root trap when it becomes the new root of the spanning tree: disabled(2) or enabled(3). Enable it so the NMS is alerted when the STP root moves, which can indicate a topology problem.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2272.1.201.1.2.1.3.1 snmpwalk -v2c -c public <target> SWL2MGMT-MIB::swL2DevAlarmNewRoot
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.2272.1.201.1.2.1.3.1.1 snmpget -v2c -c public <target> SWL2MGMT-MIB::swL2DevAlarmNewRoot.1
Set instance 1 (SNMPv2c):
snmpset -v2c -c private <target> 1.3.6.1.4.1.2272.1.201.1.2.1.3.1.1 i <value>
Start monitoring D-Link managed Layer 2 Ethernet switch (MAC learning/VLAN/spanning-tree status) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the SWL2MGMT-MIB::swL2DevAlarmNewRoot OID value, configure state conditions and alerts, and monitor any D-Link managed Layer 2 Ethernet switch (MAC learning/VLAN/spanning-tree status) from a single console.
OID Breakdown
Upper-level ancestors (10 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 |
| 1.3.6.1.4.1.2272 | rapidCity | RAPID-CITY |
| 1.3.6.1.4.1.2272.1 | rcMgmt | RAPID-CITY |
| 1.3.6.1.4.1.2272.1.201 | cobra | SWPRIMGMT-MIB |
| 1.3.6.1.4.1.2272.1.201.1 | privateMgmt | SWPRIMGMT-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.2272.1.201.1.2 | swL2MgmtMIB | SWL2MGMT-MIB |
| 1.3.6.1.4.1.2272.1.201.1.2.1 | swL2DevMgmt | SWL2MGMT-MIB |
| 1.3.6.1.4.1.2272.1.201.1.2.1.3 | swL2DevAlarm | SWL2MGMT-MIB |
| 1.3.6.1.4.1.2272.1.201.1.2.1.3.1 | swL2DevAlarmNewRoot | SWL2MGMT-MIB |