Date: Sat, 15 Sep 2007 07:31:08 -1000 From: Randy Bush <randy@psg.com> To: Julian Elischer <julian@elischer.org> Cc: FreeBSD Net <freebsd-net@freebsd.org> Subject: Re: BCE on FreeBSD and oversized packet acceptance. Message-ID: <46EC16DC.2010104@psg.com> In-Reply-To: <46EC1575.4070401@elischer.org> References: <46EAE78D.8060108@elischer.org> <46EC0E75.5070307@psg.com> <46EC1575.4070401@elischer.org>
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>>> what size is the actual maximal sized jumbo packet we will ever see? >> some transpac science community folk, who care more about speed trials >> with big data sets than they do about over-stretching the ethernet crc, >> use 9k jumbo frames. > well that's the standard but the highest I've seen mentioned as a normal > size is I think 9220 bytes. i suggest being careful with the word "standard." ieee, which controls the ethernet spec, has refused to standardize anything above 1500 on the grounds that it would over-stretch the crc. randy
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