Re: problem with ucdavis MIBs

On 11/12/2007, Ernesto Franchini <zeta@sink.it> wrote:
> 2)-- second server is running Slackware and has problems:
>
> (from snmpd.conf)
> exec .1.3.6.1.4.1.2021.49 iplist /root/iptables_traffic_iplist.sh -g
> exec .1.3.6.1.4.1.2021.49.42 ipindex /root/iptables_traffic_iplist.sh -i
> exec .1.3.6.1.4.1.2021.50 traffic_in /root/iptables_traffic_eval.sh in
> exec .1.3.6.1.4.1.2021.51 traffic_out /root/iptables_traffic_eval.sh out
>
> # snmpwalk -v 2c -c public localhost .1.3.6.1.4.1.2021.49
>
> UCD-SNMP-MIB::ucdavis.49 = No Such Object available
> on this agent at this OID


Which version of the code are you running?
Is anything logged when you start the agent up?


> but if i remove the OID part fron exec
> (ie. "exec iplist /root/iptables_traffic_iplist.sh -g" ) this query
> returns the values i'm looking for (so exec() is executed correctly)

That sounds as if you are probably using a relatively recent
version of the agent.

Starting with the 5.4.x release, the "exec OID ..." directive
has been withdrawn from the default build - in favour of the
newer "extend OID ...." format.
Not only is this a much more flexible arrangement, it has the
minor advantage of generating a legal MIB output structure!


You should be getting a error logged when the agent starts up.

If you need to keep using the older (invalid) format, then you
can do so by re-compiling the agent to explicitly include the
'ucd-snmp/exec' module. But we would strongly recommend
you look at switching to the "extend" directive instead.
See NET-SNMP-EXTEND-MIB" for the output structure.


Dave

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