DGS3120-48PC-L2MGMT-MIB :: swL2DevAlarmNewRoot

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › DGS3120-48PC-L2MGMT-MIB › swL2DevAlarmNewRoot

swL2DevAlarmNewRoot

Module: DGS3120-48PC-L2MGMT-MIB

OID (symbolic): DGS3120-48PC-L2MGMT-MIB::swL2DevAlarmNewRoot

OID (numeric): 1.3.6.1.4.1.171.11.117.1.5.2.1.3.1

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-write

Description: When the device has become the new root of the Spanning Tree, this object decides whether to send a new root trap.

What is swL2DevAlarmNewRoot?

Enables or disables an SNMP trap fired when this switch becomes the new Spanning Tree root, alerting an admin to an unplanned topology shift that could signal a cabling change or an STP priority misconfiguration elsewhere on the network.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.171.11.117.1.5.2.1.3.1
snmpwalk -v2c -c public <target> DGS3120-48PC-L2MGMT-MIB::swL2DevAlarmNewRoot

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.171.11.117.1.5.2.1.3.1.1
snmpget -v2c -c public <target> DGS3120-48PC-L2MGMT-MIB::swL2DevAlarmNewRoot.1

Set instance 1 (SNMPv2c):

snmpset -v2c -c private <target> 1.3.6.1.4.1.171.11.117.1.5.2.1.3.1.1 i <value>

SNMPv3 example:

snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> swL2DevAlarmNewRoot.1

Start monitoring D-Link DGS-3120-48PC PoE switch with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the DGS3120-48PC-L2MGMT-MIB::swL2DevAlarmNewRoot OID value, configure state conditions and alerts, and monitor any D-Link DGS-3120-48PC PoE switch from a single console.

OID Breakdown

Upper-level ancestors (11 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
1.3.6.1.4.1.171d_linkDE1500-MIB
1.3.6.1.4.1.171.11dlink_mgmtDES2218-MIB
1.3.6.1.4.1.171.11.117dlink_Dgs3120ProjSWDGS3120PRIMGMT-MIB
1.3.6.1.4.1.171.11.117.1dlink_Dgs3120ProjModelSWDGS3120PRIMGMT-MIB
1.3.6.1.4.1.171.11.117.1.5dlink_Dgs3120Proj_Dgs3120_48PCSWDGS3120PRIMGMT-MIB
Numeric OIDNameModule
1.3.6.1.4.1.171.11.117.1.5.2swL2MgmtMIBDGS3120-48PC-L2MGMT-MIB
1.3.6.1.4.1.171.11.117.1.5.2.1swL2DevMgmtDGS3120-48PC-L2MGMT-MIB
1.3.6.1.4.1.171.11.117.1.5.2.1.3swL2DevAlarmDGS3120-48PC-L2MGMT-MIB
1.3.6.1.4.1.171.11.117.1.5.2.1.3.1swL2DevAlarmNewRootDGS3120-48PC-L2MGMT-MIB