Devmon tests clear but snmpwalk works

On 05/26/2016 08:57, Nikolai Lifanov wrote:

On 05/26/2016 08:53, Nikolai Lifanov wrote:

On 05/26/2016 08:49, Nikolai Lifanov wrote:

I have patches to "fix" message size limit.
This updates SNMP_Session and other external modules to
the latest "vanilla" upstream versions and changes dm_snmp
to use the API properly (and bump max_pdu_size to 64k).

See attached. You can tweak max_pdu_size in dm_snmp.pm

Sorry, this should read "max_pdu_len".

List ate my attachments. Here:
https://lifanov.com/files/patches/devmon-use-snmp-session-api.diff
https://lifanov.com/files/patches/devmon-external-module-update.diff

On 05/26/2016 08:42, Jeremy Laidman wrote:

Colin

Might be the 32bit ID limit. See here:

http://lists.xymon.com/archive/2014-November/040624.html

J


On Thu, 26 May 2016, 22:21 Colin Coe <user-5b250cd7a540@xymon.invalid
<mailto:user-5b250cd7a540@xymon.invalid>> wrote:

    Hi all

    I know this is the Xymon list not Devmon but I think I'll have most
    luck on this list so apologies in advance.

    I have a few of Cisco switches that I've just started monitoring at
    a couple of remote sites. snmpwalk works from the Xymon server but
    the Devmon tests are all clear (Devmon runs on the Xymon server).

    When I look at the devmon.log I just see lots of 
    --- 
    [16-05-26 at 20:19:09] No SNMP data found for ifName on swi02
    [16-05-26 at 20:19:09] No SNMP data found for ifOutPktsSec on swi02
    [16-05-26 at 20:19:09] No SNMP data found for ifOutCollisions on swi02
    --- 

    Any ideas on tracking this down?

    We have many if these switches at other sites and they display
    correctly in Xymon.

    Thanks

    CC