Nagios - SNMP v3

[Tom Throckmorton]

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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