Date: Wed, 10 Jun 2009 05:40:03 GMT From: Takefu <takefu@airport.fm> To: freebsd-net@FreeBSD.org Subject: Re: kern/121257: [tcp] TSO + natd -> slow outgoing tcp traffic Message-ID: <200906100540.n5A5e31R052245@freefall.freebsd.org>
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The following reply was made to PR kern/121257; it has been noted by GNATS. From: Takefu <takefu@airport.fm> To: bug-followup@FreeBSD.org, vnovy@vnovy.net Cc: Subject: Re: kern/121257: [tcp] TSO + natd -> slow outgoing tcp traffic Date: Wed, 10 Jun 2009 14:14:42 +0900 > Dropped Receive Packets on Half-duplex 10/100 Networks > ------------------------------------------------------ > If you have an Intel PCI Express adapter installed, running at 10 or > 100 Mbps, half-duplex, with TCP Segment Offload (TSO) enabled, you may > observe occasional dropped receive packets. To work around this > problem, disable TSO, or update the network to operate in full-duplex > and/or 1 Gbps. http://downloadmirror.intel.com/14614/eng/rel_notes_v14_0.txt :-)
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