[mrtg] Re: SNMPv3?

[Robert Huff]

Daniel J McDonald writes:

>  > 	and mrtg does not exit.
>  
>  Due to the RunAsDaemon setting...

	Logical, Captain.

>  > Daemonizing MRTG ...
>  > SNMPopen failed: Invalid argument '-privpassphrase' at /usr/local/bin/mrtg line 1986
>  > SNMPGET Problem for jerusalem at 127.0.0.1:::::3:v4only at /usr/local/bin/mrtg line 1986
>  > ERROR: Target[jerusalem][_IN_] ' $target->[0]{$mode} ' did not eval into defined data
>  > ERROR: Target[jerusalem][_OUT_] ' $target->[0]{$mode} ' did not eval into defined data
>  
>  The correct parameter is -privpassword.

	Got it,
	The documentation at
"http://oss.oetiker.ch/mrtg/doc/mrtg-reference.en.html" does indeed
say "privpassowrd".  My bad.
	Thinking back, I may have looted this from the documentation to
snmp,

>								  I'm trying to remember
>  where I checked for that...  Ah, I did the parser consistency
>  checks in cfgmaker, not in mrtg-lib...

	May I suggest a config file check is something one should be
able to ask for at merg startup?

	That seemd to have fixed the start-up problem.
	Which leads to Round 4:

Daemonizing MRTG ...
SNMPGET Problem for ifHCInOctets.2 ifHCOutOctets.2 sysUptime sysName on jerusalem at 127.0.0.1:::::3:v4only : No response from remote host '127.0.0.1' at /usr/local/bin/mrtg line 1986
ERROR: Target[jerusalem][_IN_] ' $target->[0]{$mode} ' did not eval into defined data
ERROR: Target[jerusalem][_OUT_] ' $target->[0]{$mode} ' did not eval into defined data 

	My analysis: mrtg asked for 

	ifHCInOctets.2
	ifHCOutOctets.2
	sysUptime
	sysName

	and didn't get anything back.  Either the names don't map
correctly to OIDs, or the OIDs don't exist.
	Let's see:

huff at jerusalem>> snmpget localhost ifHCInOctets.2
IF-MIB::ifHCInOctets.2 = No Such Object available on this agent at this OID
huff at jerusalem>> snmpwalk localhost | grep ifHCInOctets.2
HOST-RESOURCES-MIB::hrSWRunParameters.76477 = STRING: "ifHCInOctets.2"

	Now I'm confused again.


				Robert Huff

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