Date: Sat, 4 Dec 2010 07:29:18 -0500 (EST) From: Daniel Feenberg <feenberg@nber.org> To: Jack Vogel <jfvogel@gmail.com> Cc: freebsd-net@freebsd.org, perryh@pluto.rain.com, egrosbein@rdtc.ru, mike@sentex.net Subject: Re: Problem with igb(4) updated to version 2.0.7 Message-ID: <Pine.GSO.4.64.1012040726100.5433@nber6.nber.org> In-Reply-To: <AANLkTimk3gg8GSkjQ3Z0TxRa924M33bDoiD_Mp9759ft@mail.gmail.com> References: <AANLkTimWVJhtu8LrZ_tn0Tdr-vs9PmPnW9SjebT7jnyM@mail.gmail.com> <AANLkTik%2B4Ag1HYXDWJvn2fTx6M%2Bpa9o29-A8j6qVRhZ_@mail.gmail.com> <AANLkTikwcRW%2BdqY=NTSbJsr3daEd-8usPo0Rw%2BhA_D-8@mail.gmail.com> <AANLkTin3%2BbCaXoPxTQsvzmqgtpA1zSY8f17Qh-nqymPw@mail.gmail.com> <201011270946271408828@yahoo.com.cn> <AANLkTikG8RJQw%2Bh1SHZPs1cHGrM%2B3LfniZrdLqVoPVtr@mail.gmail.com> <AANLkTi=YjG40%2BDj7471wyv3aeXGJgoL1GC33iNaypsrW@mail.gmail.com> <AANLkTi=LgejYxRXnxLtkvB-Qfp2u%2BtySdriWHfGWPQjL@mail.gmail.com> <20101128081617.GA90332@zibbi.meraka.csir.co.za> <AANLkTinF1fovumkeXxWgaKi_bNiUCnqgWAtdaCaXELzO@mail.gmail.com> <4CF73A2C.7000802@rdtc.ru> <4CF89EE7.8020807@rdtc.ru> <AANLkTi=6N3Rz57YVNF1ZiDGEexnEXWr6oNPz9F=c2GpA@mail.gmail.com> <4CF93A77.30804@rdtc.ru> <4CF9470F.4020709@sentex.net> <4CF947D4.10504@rdtc.ru> <AANLkTin7hfqqwkudNHhrsyS_O7_-PCXffAWT1N85i31f@mail.gmail.com> <4cf9ef71./9OtjLOA2%2BIV0UUh%perryh@pluto.rain.com> <AANLkTimk3gg8GSkjQ3Z0TxRa924M33bDoiD_Mp9759ft@mail.gmail.com>
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On Sat, 4 Dec 2010, Jack Vogel wrote: > LOL, ya, I have one of those switches that takes that long, a > Dell 5224, takes some getting used to when you're used to > back to back speeds :) On the Dell you can speed things up with the "portfast" option. "Rapid STP" will also help. These should be available on expensive switches. Cheap switches don't cause any delay (the don't do STP which is the source of the delay). FreeBSD shouldn't count on that being available, though. Daniel Feenberg
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