Duplicate registerations reported for modules loaded by dlmod

Hi All,

I have written a module (generated using mib2c.mfd.conf) and integrated
with net-snmp using "dlmod" directive of config. This works properly with
queries. I have not observed any issues. When I send SIGHUP to snmpd, it
tried to unload dlmod module, it is successfull. and dlmod directive tried
reload the modules. Now snmpd reports error saying duplicate
registerations. for certain tables. Following are error logs.

Reconfiguring daemon
NET-SNMP version 5.5 restarted
dlmod: Calling shutdown_jmfc_snmp()
dlmod: Module jmfc_snmp unloaded
dlmod: dlmod_create_module
dlmod: dlmod_load_module jmfc_snmp:
/opt/tms/lib/snmp/modules/libjmfc-snmp.so
jmfcNamespaceTable:init_jmfcNamespaceTable: Registering jmfcNamespaceTable
as a mibs-for-dummies table.
duplicate registration (jmfcNamespaceTable, jmfcNamespaceTable)duplicate
registration (jmfcNamespaceHttpClientTable,
jmfcNamespaceHttpClientTable)duplicate registration
(jmfcNamespaceHttpServerTable, jmfcNamespaceHttpServerTable)duplicate
registration (jmfcNamespaceRtspClientTable,
jmfcNamespaceRtspClientTable)duplicate registration
(jmfcNamespaceRtspServerTable, jmfcNamespaceRtspServerTable)duplicate
registration (jmfcInterfaceTable, jmfcInterfaceTable)Reconfiguring daemon
NET-SNMP version 5.5 restarted
dlmod: Calling shutdown_jmfc_snmp()
dlmod: Module jmfc_snmp unloaded


My understanding so far is, shutdown code should call
netsnmp_unregister_table() or init code should check for re-registeration
of table. But since these files are auto generated, I guess this part
should already have been handled. I am not sure show this should be
correctly handled.

Dheeraj Gautam

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