On Fri, 06 Jan 2006 18:00:50 +0000 Dave wrote:
DS> On Fri, 2006-01-06 at 12:38 -0500, Robert Story wrote:
DS> > DS> Note that the 5.3 release has introduced a new implementation
DS> > DS> of the ifTable..... which does seem to
DS> > DS> support this object [ifLastChanged]. (Though I'm not totally
DS> > DS> convinced it gets the value right).
DS> >
DS> > Any particular reason?
DS>
DS> If I understand the code correctly, this value is reported from
DS> the 'data.ifLastChange' field, which is set by _add_new_interface()
DS> (in ifTable/ifTable_data_access.c) when the interface is first
DS> detected.
DS>
DS> There's also a separate field 'ifTable_if_ctx.last_changed',
DS> which I *think* is related to the scalar 'ifTableLastChange'
DS>
DS> I don't see how either of these can detect changes in the
DS> operational state of an individual interface, which is what
DS> ifLastChange is meant to report.
You are quite right. It appears that I confused myself when adding the
ifTableLastChange tracking, and deleted the ifLastChange code (it's in 5.2.x).
I've just restored it for 5.3.1 and 5.4.
--
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Robert Story; NET-SNMP Junkie
Support: <http://www.net-snmp.org/> <irc://irc.freenode.net/#net-snmp>
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