[c-nsp] 3850 and output drops

Gert Doering gert at greenie.muc.de
Tue Sep 6 12:58:03 EDT 2016


Hi,

On Tue, Sep 06, 2016 at 06:48:01PM +0200, Sebastian Beutel wrote:
> The output errors counters count different things on a 3750 and a 3850. 
> While the 3750 only counts "frames dropped due to physical media problems"
> the 3850 also adds "frames dropped due to filled buffer" to this number.

Maybe "the 3750 has reasonable buffers, while the 3850 is from the
new regime of 'make it cheap, make small buffers' switches"...

(But that is just guesswork, and the 3850 is not actually *cheap*)

But you can easily test that, by intentionally overloading a 3750's port
("send two 1G streams from two hosts to a single egress ports").

gert
-- 
USENET is *not* the non-clickable part of WWW!
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Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de
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