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SNMPv2 traps are not sent out

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Category:
ontap-9
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CORE
Last Updated:

Applies to

  • ONTAP 9.16.1
  • SNMP traps

Issue

  • SNMP traps are not being sent out despite SNMP configuration and network connectivity being verified.

MGWD.log:

Thu Apr 23 2026 15:15:29 [kern_mgwd:info:3940] INFO:EMS::SNMP:snmpTransmitEvent called for event (name: callhome.ch.ps.fault, seq_num: 30354), trap(type:1,id:14,data:callhome.ch.ps.fault:Callhomefor0)

Thu Apr 23 2026 15:15:29 [kern_mgwd:info:3940] ERR:SNMP:snmpV3SecModel::AccessAllowed:noGroupName in vacmSecurityToGroup table:src/snmp/security/Snmpv3Security.cc:1882

Thu Apr 23 2026 15:15:29 [kern_mgwd:info:3940] ERR:SNMP:snmpV3SecModel::AccessAllowed:noGroupName in vacmSecurityToGroup table:src/snmp/security/Snmpv3Security.cc:1882

  • Events are generated in the controller.

::*> event generate -node kmmestg11-01 -message-name callhome.ch.ps.fault -values 0
::*> event generate -node kmmestg11-02 -message-name callhome.aggr.offline -values 1
::*> event notification history show -destination snmp-traphost
Time                Node             Severity      Event
------------------- ---------------- ------------- ---------------------------
4/23/2026 15:15:50  Node02     ALERT         callhome.aggr.offline: Call home for AGGREGATE INCONSISTENT AND TAKEN OFFLINE
4/23/2026 15:15:29  Node01     ERROR         callhome.ch.ps.fault: Call home for 0
4/23/2026 15:12:28  Node01     NOTICE        ems.test.notice
4/23/2026 15:10:31  Node01     ERROR         callhome.dsk.fault: Call home for 1

  • Packet capture:

No SNMP packets are observed leaving the e0M interface (including all other ports) when traps are triggered.

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