Date: Fri, 14 Mar 2008 21:28:14 +0900 From: Pyun YongHyeon <pyunyh@gmail.com> To: Giulio Ferro <auryn@zirakzigil.org> Cc: freebsd-net@freebsd.org, Andrew Thompson <thompsa@freebsd.org> Subject: Re: VLAN trunking and fragmentation Message-ID: <20080314122814.GH22788@cdnetworks.co.kr> In-Reply-To: <47DA6C30.400@zirakzigil.org> References: <47D7C34E.8060805@zirakzigil.org> <47D817D2.9010306@errno.com> <47D8499A.5070605@zirakzigil.org> <20080313033029.GF16972@cdnetworks.co.kr> <47D92F9D.4070701@zirakzigil.org> <20080314001704.GA22788@cdnetworks.co.kr> <47DA4DCD.6050304@zirakzigil.org> <20080314101555.GF22788@cdnetworks.co.kr> <47DA682E.9010504@zirakzigil.org> <47DA6C30.400@zirakzigil.org>
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On Fri, Mar 14, 2008 at 01:14:40PM +0100, Giulio Ferro wrote: > Giulio Ferro wrote: > >That's it! > >Now seems to work properly, the problem then is with hardware tagging. > > > >My question now is: can I use vlans without htag in a complex system with > >heavy traffic without a significant performance loss? If not, how much > >will it > >take to fix the issue with the driver? > > > > > There's seems to be another problem now. > > If I send flood pings to the other host with big packets (say 2000 > bytes) it works, but one > packet out of 4 or 5 takes a huge time to round-trip (about 1000ms), > whereas the rest > of the packets have a reasonable 0.2 ms average... > > > I fear this may lead to unacceptable performance for real-time protocols > (ie voip) in a > production environment. > > Do you think the problem is localized in the "re" driver? If so I could Yes. > just change the > network interface and be done with that. (In production I can use bge > cards). > > > Thanks again. -- Regards, Pyun YongHyeon
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