[mrtg] Oid problem

Jan Rockstedt jan.rockstedt at avinova.se
Tue May 29 08:10:12 CEST 2007

Thanks Steve,


I change the target and the options.

Now I have this error in my freebsd 6.2.


# mrtg mrtg.old2

SNMP Error:

Received SNMP response with error code

  error status: noSuchName

  index 1 (OID:

SNMPv1_Session (remote host: "" [].161)

                  community: "public"

                 request ID: 904124880

                PDU bufsize: 8000 bytes

                    timeout: 2s

                    retries: 5

                    backoff: 1)

 at /usr/local/lib/perl5/site_perl/5.8.8/SNMP_util.pm line 490

SNMPGET Problem for sysUptime sysName on public at only at /usr/local/bin/mrtg line 2155

2007-05-29 08:01:51: ERROR: Target[avinova-bgp-test][_IN_] ' $target->[0]{$mode} ' did not eval into defined data

2007-05-29 08:01:51: ERROR: Target[avinova-bgp-test][_OUT_] ' $target->[0]{$mode} ' did not eval into defined data


# more mrtg.old2

EnableIPv6: no

WorkDir: /usr/local/www/data-dist/bgp-route



MaxBytes[avinova-bgp-test]: 150000

Title[avinova-bgp-test]: Show BGP route -- bgp-avinova.avinova.se


Options[avinova-bgp-test]: noo


Target[avinova-bgp-test]: at




Mvh / Regards
Jan Rockstedt / Avinova AB



From: Steve Shipway [mailto:s.shipway at auckland.ac.nz] 
Sent: Tuesday, May 29, 2007 4:18 AM
To: Jan Rockstedt; mrtg at lists.oetiker.ch
Subject: RE: [mrtg] Oid problem


Looks like this is a counter32 and so will probably only be available if you use SNMPv2 - and you wnmpwalk it with v2 to test, too.  MRTG will use v1 unless you tell it differently.  Add ':::::2' to the end of the Target string to force SNMPv2 and it should be OK - see the MRTG documentation about Target definition syntax.


Your other problem is that a Target definition MUST specify EXACTLY two OIDs, even if you do not use them both.  So, use 'Options[]: noo' to cuppress the second, and put something like 'Target[avinova-bgp]: at ip-number:::::2'





From: mrtg-bounces at lists.oetiker.ch [mailto:mrtg-bounces at lists.oetiker.ch] On Behalf Of Jan Rockstedt
Sent: Monday, 28 May 2007 21:06
To: mrtg at lists.oetiker.ch
Subject: [mrtg] Oid problem


Hi all, 

I have a cisco router and wan't to get "show ip bgp route" into mrtg. 

The oid is 
#snmpwalk -c public -v2c ip-number 

Give me: 

SNMPv2-SMI::enterprises. = Counter32: 

My mrtg.cfg: 

EnableIPv6: no 
WorkDir: /usr/local/www/data-dist/bgp-route 

Target[avinova-bgp]: at ip-number 

MaxBytes[avinova-bgp]: 150000 
Title[avinova-bgp]: Show BGP route -- bgp-avinova.avinova.se 

But when i run the mrtg mrtg.cfg i get this error msg: 

2007-05-25 13:06:00: ERROR: Target[avinova-bgp][_IN_] 
' $target->[0]{$mode} ' evaluated to 
'        »468946704' instead of a number 
2007-05-25 13:06:00: ERROR: Target[avinova-bgp][_OUT_] 
' $target->[0]{$mode} ' evaluated to 
'       »262879011' instead of a number 

Any suggestion to get 67094 value into mrtg? 





Mvh / Regards
Jan Rockstedt


+46 - 40 - 668 07 45 
jan.rockstedt at avinova.se <mailto:jan.rockstedt at avinova.se> 

IBM Certified Specialist -  System i5 Administrator

Avinova AB
Spångatan 37 B
211 53  Malmö Sweden
Tel  +46-40-668 07 40
Fax +46-40-668 07 55



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