Changelog for v5 contains a few "snmp vs routing table" entries - maybe the
problem was fixed in v5? =)


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2011/8/9 Kristian Hoffmann <kh...@fire2wire.com>

> Walking the routing table via SNMP on a MikroTik with many routes seems
> to be a bad idea.  I tried it with our MikroTik pulling a full feed from
> our upstream, and I rebooted the router just before it depleted all 2GB
> of RAM.  It normally sits at 1.7GB free.  As soon as our NMS started
> walking the routing table, the memory began to disappear in leaps and
> bounds.  We use Zenoss, so I just disabled the RouteMap plugin and it
> hasn't been an issue since.
>
> So BGP and SNMP isn't necessarily bad, but venture into OID
> RFC1213-MIB::ipRouteDest (1.3.6.1.2.1.4.21) at your own peril.
>
> Regards,
>
> -Kristian
>
> On Tue, 2011-08-09 at 10:25 -0500, Terri Kelley wrote:
> > I received an alert on my bgp edge mikrotik for high memory usage. I am
> running snmp, thats how I got the alert. Memory use went from 25 to about 88
> percent suddenly. I really can't find a reason. The router is a power router
> 732 and up time on it has been 90 days. 1gig of memory plenty of cpu etc.
> RouterOS is 4.17.
> >
> > I just read a blurb from last August where someone was saying running
> snmp with bgp caused them to crash. No further on that. Anyone seen this or
> have a clue. I haven't rebooted it yet. That would really suck if that is
> the case. Makes monitoring your router tough if that is true.
> >
> > Terri Kelley
> > Network Engineer
> > 254-697-6710 x 1140
> > Farm to Market Broadband
> >
> >
> >
> >
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