I have net-snmpd (ucd-compat) running on two machines. net-snmp 5.4.1 was
compiled and installed on each machine, from identical code. Both machines
are kernel 2.6.11.4 (SuSE 9.3).
For testing, I am running a Windows utility which sends GetRequest commands
to the target, using our oids, and dumps the responses to a window. On one
machine, I can successfully read snmp data back (including our mib) using
this utility, but on the second machine, I *cannot* do so; I do not get
responses from snmpd.
I've tried adding some debug messages into the socket handler and my
modules.
In the working machine I see:
Jan 18 13:12:54 hub26 snmpd: calling dispatch (count=1)
Jan 18 13:12:54 hub26 snmpd: calling snmp_read()
Jan 18 13:12:54 hub26 snmpd: in snmp_sess_read()
Jan 18 13:12:54 hub26 snmpd: ip3 magic [727]=2 <=== this is my module
responding
Jan 18 13:12:54 hub26 snmpd: in snmp_sess_read()
and this is repeated for each field, each device, in our system.
In the failing machine, I see:
Jan 18 14:03:51 hub snmpd: calling dispatch (count=1)
Jan 18 14:03:51 hub snmpd: calling snmp_read()
Jan 18 14:03:51 hub snmpd: in snmp_sess_read()
<=== my mib module is not being called!!
Jan 18 14:03:51 hub snmpd: in snmp_sess_read()
So somewhere between snmp_sess_read and my mib-module code, something is
breaking down. I'm seeing NO messages being logged in either
/var/log/messages nor /var/log/snmpd.log that would give any hints to what
is failing.
BTW, this doesn't appear to have anything to do with snmpd.conf; I now have
the file in the correct location on both machines, and the behaviors have
not changed on either.
Dan Miller
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