[120153] in North American Network Operators' Group
RE: Linux shaping packet loss
daemon@ATHENA.MIT.EDU (Keith Medcalf)
Thu Dec 10 21:17:57 2009
Date: Thu, 10 Dec 2009 21:16:57 -0500
In-Reply-To: <alpine.LSU.2.00.0912081536360.6581@hermes-1.csi.cam.ac.uk>
From: "Keith Medcalf" <kmedcalf@dessus.com>
To: "Tony Finch" <dot@dotat.at>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
> Autoneg is a required part of the gig E specification so you'd only be
> causing yourself trouble by turning it off. (I don't know if
> it'll also break automatic MDI/MDI-X (crossover) configuration, for
> an example of something that's nice to have.)
At least on 450x series enhanced linecards, disabling autonegotiation disab=
les auto MDI/MDI-X. You have to enable autonegotiation but you can provide=
specified offered and acceptable parameters, eg: "speed auto 100" to enab=
le autonegotiation but only allow negotiation of 100 mb. (speed auto 10 10=
0 / speed auto 1000 / etc)
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