[mrtg] Re: Need help with an error

[Steve Lindemann]

Thank you for replying.  Unfortunately, I had already tried it with \Serial0/0 
in place of \S0/0  (though this has worked before) and had the same problem 
only now it complained about (community string and ip replaced for security):

WARNING: Could not match host:'<rocommunity>@<ip address>:' ref:'Descr' 
key:'Serial0/0'
ERROR: Target[bud_old][_IN_] ' $target->[7]{$mode} ' did not eval into defined data
ERROR: Target[bud_old][_OUT_] ' $target->[7]{$mode} ' did not eval into defined 
data.

I did take your suggestion to use cfgmaker and as a result I've isolated the 
problem to communications with the router (i.e. my config is probably ok). 
Using your suggestion and a simple default execution I got the same response to 
both:

[mrtg]# cfgmaker --ifref=descr <rocommunity>@<ip address>
[mrtg]# cfgmaker <rocommunity>@<ip address>

...of:

--base: Get Device Info on <rocommunity>@<ip address>:
SNMP Error:
no response received
SNMPv1_Session (remote host: "<ip address>" [<ip address>].161)
                   community: "<rocommunity>"
                  request ID: 271753673
                 PDU bufsize: 8000 bytes
                     timeout: 2s
                     retries: 5
                     backoff: 1)
  at /usr/bin//../lib/mrtg2/SNMP_util.pm line 627
SNMPWALK Problem for 1.3.6.1.2.1.1 on <rocommunity>@<ip address>::::::v4only
  at /usr/bin/cfgmaker line 831
WARNING: Skipping <rocommunity>@<ip address>: as no info could be retrieved


If anyone has any suggestions as to how I could best troubleshoot this issue 
I'd appreciate the input.  But for now it appears that my problem is not MRTG 
related and no longer fits this list.  Thanks again!

--
Steve Lindemann
Network Administrator
Marmot Library Network, Inc.
   url: http://www.marmot.org
email: mailto:steve at marmot.org
voice: 970.242.3331 ext 16
   fax: 970.245.7854



Pavel Ruzicka wrote:
> Hello,
> 
> 
>>WARNING: Could not match host:'<rocommunity>@<ip address>:' ref:'Descr'
>>key:'S0/0' ERROR: Target[bud_old][_IN_] ' $target->[7]{$mode} ' did not
>>eval into defined data ERROR: Target[bud_old][_OUT_] ' $target->[7]{$mode}
>>' did not eval into defined data
> 
> 
> This means, that S0/0 doesn't exists in a snmp tree. This is true, because
> there exists Serial0/0, not S0/0.
> Change your line Target[bud_old]: \S0/0:<rocommunity>@<ip address>:
> to Target[bud_old]: \Serial0/0:<rocommunity>@<ip address>:
> 
> You can generate your config with cfgmaker with option --ifref=descr.
> 
> Best regards,
> 
> Pavel Ruzicka

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