SNMP Trap: DNS status --------------------- A trap is generated if DNS is not configured. Identification * The originating IP / hostname is used to identify the system generating the traps * The NMS is responsible for associating traps with each managed system, along with clearing of alarms and escalation to the relevant system operator * The trap OID is generic for various SNMP events monitored by the system * The SNMP system name is included as part of the variable binding to assist identification: :: .iso.org.dod.internet.mgmt.mib-2.system.sysName.0 = standalone Trap OID .iso.org.dod.internet.mgmt.mib-2.dismanEventMIB.dismanEventMIBNotificationPrefix. dismanEventMIBNotifications.mteTriggerFired Variable Bindings - DNS not configured. * .iso.org.dod.internet.mgmt.mib-2.system.sysUpTime.0 = 2 minutes (12065) * snmpTrapOID = mteTriggerFired * .iso.org.dod.internet.mgmt.mib-2.dismanEventMIB.dismanEventMIBNotificationPrefix. dismanEventMIBNotificationObjects.mteHotTrigger.0 = 'WARNING: No dns configured for ' * .iso.org.dod.internet.mgmt.mib-2.dismanEventMIB.dismanEventMIBNotificationPrefix. dismanEventMIBNotificationObjects.mteHotValue.0 = 1 * .iso.org.dod.internet.mgmt.mib-2.system.sysName.0 = standalone Severity: * Urgent: WARNING: No dns configured for .. index:: network;network dns Resolution: Configure a DNS for the system with **network dns add ** Example: Urgent ............... :: Mar 20 12:13:50 robot-sl snmptrapd[1214]: 2019-03-20 12:13:50 [UDP: [192.168.100.3]:37298->[192.168.100.25]:162]: #012iso.3.6.1.2.1.1.3.0 = Timeticks: (375782) 1:02:37.82 #011iso.3.6.1.6.3.1.1.4.1.0 = OID: iso.3.6.1.2.1.88.2.0.1 #011iso.3.6.1.2.1.88.2.1.1.0 = STRING: "WARNING: No dns configured for VOSS-192.168.100.3" #011iso.3.6.1.2.1.88.2.1.3.0 = STRING: "It is recommended that the dns is configured. To configure dns use the following command: network dns " #011iso.3.6.1.2.1.88.2.1.5.0 = INTEGER: 1 #011iso.3.6.1.2.1.1.5.0 = STRING: "VOSS"