Symptom

Nexus 7000 chassis may experience 'snmpd hap reset' when polling specific MST SNMP mibs in a large-scale MST environment. 2018 Feb 28 17:43:46.739 N7K %SYSMGR-2-SERVICE_CRASHED: Service "snmpd" (PID 7778) hasn't caught signal 11 (core will be saved). snmpd core files produced N7K# sh cores vdc-all VDC Module Instance Process-name PID Date(Year-Month-Day Time) --- ------ -------- --------------- -------- ------------------------- 1 5 1 snmpd 7683 2018-02-28 17:44:08

Conditions

Nexus 7000 chassis with MST enabled snmpwalk against OID .1.3.6.1.4.1.9.9.82.1.14.5.1.2.0 aka stpxMSTInstanceVlansMapped2k Condition may be specific to the scale of the MST environment.

Workaround

Steps to Exclude OID from SNMP Pooling ========================================================== role name rule 1 permit read feature snmp rule 2 deny read oid 1.3.6.1.4.1.9.9.82.1.14.5 snmp-server community group

Further Problem Description