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Date: Mon, 15 Jan 2007 20:39:36 +1100 From: Herbert Xu <herbert@...dor.apana.org.au> To: mjt@....msk.ru (Michael Tokarev) Cc: netdev@...r.kernel.org Subject: Re: rare bad TCP checksum with 2.6.19? Michael Tokarev <mjt@....msk.ru> wrote: > > Note there's no funny/interesting hardware involved, like network cards with > tcp checksumming offload capabilities (this is plain dumb 8139 card). The 8139 card might be dumb, but the driver isn't :) It emulates checksum offload in software, meaning that tcpdump will show bogus checksums. So please disable hardware checksum offload with ethtool -K and then try again. Thanks, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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