plugin for collisions on host

[Max]

On Thu, Jul 23, 2009 at 8:01 AM, Marc Powell<marc at ena.com> wrote:
>
> On Jul 23, 2009, at 4:05 AM, Tom Brown wrote:
> Errors, I would say yes; collisions, maybe.

Unfortunately collision counters are not a part of the IF-MIB that 99%
of the SNMP agents support out of the box; switches all support
collision counts through vendor-specific MIBs or the ETHERLIKE MIB ..
I have yet to find a host-based agent that implements the ETHERLIKE
MIB, would love to know if there is one as the ETHERLIKE MIB also
exposes duplex settings for host-based interfaces .. and if we had
that, then we could detect duplex mismatches between hosts and
switches without doing custom scripting (which is what i have had to
do in the past to monitor that).

I know there is some momentum in the Net-SNMP community to add at
least the duplex part of the ETHERLIKE MIB to the set of MIBs the
Net-SNMP agent supports out of the 'box' but that has not happened
yet.

So at this point as far as I know checking duplex and collision rates
from Nagios is best done at the network device level.

- Max

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