Hi. Yes, I did a similar test to send SIGHUP, and looking at traps with
Wireshark, the engineBoots count does stay the same while the engineTime
increases as expected. So I guess the simple reconfig is not the problem.
The kind of “event” I saw that I thought may have triggered the engineBoots
increment was a change to the IF MIB contents, due to a network interface going
down then up. There was a debug message in snmpd.log that an interface had
changed. I don’t see the connection in code for what would invoke the function
that increments the engineBoots count, though. It’s a callback so it’s not
easy to connect the dots.
Thanks for responding on this.
Gary
From: Bill Fenner [mailto:fen...@gmail.com]
Sent: Sunday, September 14, 2014 4:19 PM
To: Gary Dunlap
Cc: net-snmp-us...@lists.sourceforge.net; net-snmp-coders@lists.sourceforge.net
Subject: Re: SNMPv3 Trap Question
On Wed, Sep 3, 2014 at 11:10 AM, Gary Dunlap
<gary.dun...@dothill.com<mailto:gary.dun...@dothill.com>> wrote:
Hi. I’m having trouble with some of the SNMPv3 traps sent by snmpd being
rejected, and I think it’s because of the SNMPv3 replay protection mechanism.
It looks like when some event causes a reconfigure of snmpd
Can you say more about what kind of event? It doesn't happen (at least, in
5.7.2) with HUP - engineBoots before and after a HUP doesn't change for me.
notification before HUP:
dumph_recv: msgAuthoritativeEngineBoots
dumpv_recv: Integer: 1 (0x01)
dumph_recv: msgAuthoritativeEngineTime
dumpv_recv: Integer: 785 (0x311)
notification after HUP:
dumph_recv: msgAuthoritativeEngineBoots
dumpv_recv: Integer: 1 (0x01)
dumph_recv: msgAuthoritativeEngineTime
dumpv_recv: Integer: 843 (0x34B)
Bill
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