Re: SNMP "bridging"/proxy?

[Josh Reynolds <josh () kyneticwifi com>]

+1
On May 23, 2016 4:53 PM, "Eric Kuhnke" <eric.kuhnke () gmail com> wrote:

> This doesn't scale on a large cacti installation with hundreds of hosts and
> 60-second poller intervals. Cacti data input method scripts spawn a new php
> worker for each data acquisition target (they do NOT use the 'spine' SNMP
> poller).
>
> Exposing the data via SNMP on the host to be monitored distributes the CPU
> load individually onto each host (example: an 'extend' script in the
> snmpd.conf which runs "curl http://localhost/server-status"; for apache2
> status and parses the results) rather than centralizing it on the cacti
> host.
>
> This allows cacti or opennms or anything else to poll the hosts to be
> monitored via something that scales better than php script workers, using
> the 'spine' SNMP data acquisition method and the equivalent in other snmp
> polling platforms.
>
>
> On Sat, May 21, 2016 at 6:03 AM, Eric Lindsjö <eric () emj se> wrote:
>
> > Hi Nathan,
> >
> > You should probably write a cacti script to ingest the data instead of
> > this SNMP proxy thing. Writing scripts to ingest data into cacti is
> simple,
> > you just need to output the values you want in key: value format and then
> > do some clicking in cacti. There are good docs for how to do this.
> >
> > -- emj
> >
> >
> > On 05/21/2016 08:11 AM, Nathan Anderson wrote:
> >
> > > Hey, thanks guys!  I had never really looked that deeply into Net-SNMP
> > > and had only ever installed it either to use as a client
> (snmpget/snmpwalk)
> > > or a basic agent w/ standard MIBs for the host it's running on, so I was
> > > unaware of its extensibility.  And it even looks like it ships with a
> Perl
> > > module.  That sounds like a perfect solution; thanks for pointing me in
> the
> > > right direction.
> > >
> > > -- Nathan