Re: SNMP reporting wrong max bandwidth

"Dave Shield" <[email protected]>
Newsgroups gmane.network.net-snmp.user
Message-ID <[email protected]>
On 29/11/2007, John Hardin <[email protected]> wrote:
> Last I looked, Net-SNMP just guessed at ethernet interface speeds.  It
> used to always guess 10 Mbps, but at some point it started to guess 100
> Mbps.  It does not dynamically detect the speed.

That's not correct.
Depending on the particular version you are using (and the underlying O/S),
the Net-SNMP agent *does* try to detect the interface speed.

Certainly the IF-MIB re-write does,   which has been available on
selected systems since 5.2.x (though not always active by default).

Even with the earlier implementation, there's code for trying to detect
the interface speed on a variety of systems.   The agent only falls back
on reporting a hardcoded speed where this detection fails.

Dave

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