All MIBs › DES3810-52-L2MGMT-MIB › swL2DevAlarmTopologyChange
swL2DevAlarmTopologyChange
Module: DES3810-52-L2MGMT-MIB
OID (symbolic): DES3810-52-L2MGMT-MIB::swL2DevAlarmTopologyChange
OID (numeric): 1.3.6.1.4.1.171.11.114.1.3.2.1.3.2
Node type: OBJECT-TYPE
Type: INTEGER
Access: read-write
Description: This object determines whether or not to send a trap message when the switch topology changes. If the object is enabled(3), the topologyChange trap is sent by the device when any of its configured ports transitions from the Learning state to the Forwarding state, or from the Forwarding state to the Blocking state. For the same port transition, the device does not send the trap if this object value is disabled or other.
What is swL2DevAlarmTopologyChange?
Controls whether the switch sends a trap on Spanning Tree topology changes (port transitioning learning-to-forwarding or forwarding-to-blocking); enabling it helps an admin catch flapping links or STP instability as it happens.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.171.11.114.1.3.2.1.3.2 snmpwalk -v2c -c public <target> DES3810-52-L2MGMT-MIB::swL2DevAlarmTopologyChange
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.171.11.114.1.3.2.1.3.2.1 snmpget -v2c -c public <target> DES3810-52-L2MGMT-MIB::swL2DevAlarmTopologyChange.1
Set instance 1 (SNMPv2c):
snmpset -v2c -c private <target> 1.3.6.1.4.1.171.11.114.1.3.2.1.3.2.1 i <value>
SNMPv3 example:
snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> swL2DevAlarmTopologyChange.1
Start monitoring D-Link DES-3810-52 switch with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the DES3810-52-L2MGMT-MIB::swL2DevAlarmTopologyChange OID value, configure state conditions and alerts, and monitor any D-Link DES-3810-52 switch from a single console.
OID Breakdown
Upper-level ancestors (11 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 |
| 1.3.6.1.4.1.171 | d_link | DE1500-MIB |
| 1.3.6.1.4.1.171.11 | dlink_mgmt | DES2218-MIB |
| 1.3.6.1.4.1.171.11.114 | dlink_Des3810Series | SW3810PRIMGMT-MIB |
| 1.3.6.1.4.1.171.11.114.1 | des3810 | SW3810PRIMGMT-MIB |
| 1.3.6.1.4.1.171.11.114.1.3 | des3810_52 | SW3810PRIMGMT-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.171.11.114.1.3.2 | swL2MgmtMIB | DES3810-52-L2MGMT-MIB |
| 1.3.6.1.4.1.171.11.114.1.3.2.1 | swL2DevMgmt | DES3810-52-L2MGMT-MIB |
| 1.3.6.1.4.1.171.11.114.1.3.2.1.3 | swL2DevAlarm | DES3810-52-L2MGMT-MIB |
| 1.3.6.1.4.1.171.11.114.1.3.2.1.3.2 | swL2DevAlarmTopologyChange | DES3810-52-L2MGMT-MIB |