Nagios - SNMP v3

[Lopez, Denise]

It is definitely something with net-snmp since it is my snmpwalk command
that times out.  I will try the patch you suggested.

Thank you very much!

Denise Lopez
UCLA
Center for Digital Humanities
337 Charles E. Young Drive East
PPB 1020
Los Angeles, CA 90095
dlopez at humnet.ucla.edu


-----Original Message-----
From: Tom Throckmorton [mailto:throck at duke.edu] 
Sent: Tuesday, August 14, 2007 12:38 PM
To: Lopez, Denise
Cc: nagios-users at lists.sourceforge.net
Subject: Re: [Nagios-users] Nagios - SNMP v3
Importance: High

On Aug 14 12:18, Lopez, Denise wrote:
> I am in the process of rebuilding our Nagios server from RHEL AS 4 to
> RHEL 5.  The version of net-snmp on the older server is net-snmp 5.1.2
> and the build for RHEL 5 is net-snmp 5.3.1.  
> 
> I can get SNMP version 2 working on the new server but I keep getting
> 'No response from Host' when query using the same credentials as I am
> using for the old server that is getting a response back.
> 
> We have verified that all ACL's are allowing the traffic and there is
no
> ACL on the device I am querying that would be blocking the response.
We
> also observed that the traffic pattern from the older server is
> different from the newer server. I can see a one for one packet
response
> from the older server to the device but from the newer server there is
> about 6 requests and finally we see a packet response from the device.
> 
> I was just wondering if net-snmp version 3 works differently in the
> newer version and how I can resolve this issue?

Are you having a problem with check_snmp, or SNMP in general?

It's likely this bug in net-snmp:

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=251332
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=228066

The fc6 patch works on rhel5, so you could wait for the upstream patch,
or
rebuild with the patch from fc6.

-tt

-- 
Tom Throckmorton
OIT - CSI
Duke University

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