On Fri, Feb 08, 2002 at 03:59:37PM -0500, Michael Richardson wrote:
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> >>>>> "Andi" == Andi Kleen <ak@xxxxxxx> writes:
> Andi> On Thu, Feb 07, 2002 at 05:59:45PM -0500, Michael Richardson wrote:
> >> We think that /proc/net/rt_cache might have info, but we don't
> >> see it. Is there another place that we should look?
>
> Andi> /proc/net/rt_cache has a MTU column. You can also get it via
> Andi> ip route get <ip address>
>
> Andi> route --cache unfortunately doesn't show it.
>
> Do they expire very quickly? Can we extend it? Is there some debugging we
> can enable to log the MTU changes? Does it get deleted when the TCP
> connection gets closed?
Depends on your workload. Normally not.
Just add a few printks.
No.
-Ando
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