[mrtg] cfgmaker snmp Drop back to V1
Daniel J McDonald
dan.mcdonald at austinenergy.com
Mon Mar 10 13:02:46 CET 2008
On Tue, 2008-03-04 at 11:49 +0100, Pavel Ruzicka wrote:
> in cfgmaker 2.16.1 (2.15.2, 2.16.0) doesn't work
> fallback to SNMP V1 if check for HighspeedCounters failed.
> It works perfectly in 2.15.1.
In 2.15.2 the NoHC directive was added to solve problems with V3 and
fallback. With snmpv3, you can't fall back to v1, as the credentials
are completely different, so we needed a different signal to identify
when to use the HC counter ans when not to.
What cfgmaker should be doing is leaving the polling as snmpV2 or V3,
but add a NoHC directive which should cause mrtg to poll ifInOctets
and ifOutOctets instead of ifHCInOctets and ifHCOutOctets.
I haven't looked at 2.16.0/1 yet, but see if cfgmaker is adding the
NoHC directive. If it is, then it is a libmrtg problem that needs to
be fixed. If not, then it is a cfgmaker problem that needs to be fixed.
Daniel J McDonald, CCIE #2495, CISSP #78281, CNX
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