Date: Tue, 20 Mar 2001 08:43:45 +0100 (CET) From: Luigi Rizzo <luigi@info.iet.unipi.it> To: Thierry Herbelot <thierry@herbelot.com> Cc: "[M_rten Wikstr_m]" <Marten.Wikstrom@framfab.se>, "'freebsd-hackers@freebsd.org'" <freebsd-hackers@FreeBSD.ORG> Subject: Re: Routing latency Message-ID: <200103200743.IAA94631@info.iet.unipi.it> In-Reply-To: <3AB7077A.543522F0@herbelot.com> from Thierry Herbelot at "Mar 20, 2001 08:32:10 am"
next in thread | previous in thread | raw e-mail | index | archive | help
> > I'm using the de driver. Alas, the NICs seems quite old. They are 21140's. > > I've only got one 21143. I think there is a 3COM 3c905b in the lab too. > > Would it be better to use the 21143 + 3com than two 21140s? > > definitely : in my packet blaster, I get an order of magnitude less > packet drops with a 3c905 than with a dc NIC (which is on a multi-port > NIC : the PCI-PCI bridge may be a hindrance there) not my experience -- with the 21143 i can blast 140kpacket/s and receive them with no problems. For sure the "de" driver might have its own problems, but i think a lot of packet drops also depend on the card not being properly set for full duplex (which can cause collisions and lots of drops). cheers luigi > TfH > > > > /M_rten > > -- > Thierry Herbelot > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-hackers" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200103200743.IAA94631>