Date: Wed, 05 Aug 1998 14:24:20 -0700 From: Mike Smith <mike@smith.net.au> To: Denis DeLaRoca <denis@acacia.cts.ucla.edu> Cc: Mike Smith <mike@smith.net.au>, Joao Carlos Mendes Luis <jonny@jonny.eng.br>, hardware@FreeBSD.ORG, network@FreeBSD.ORG Subject: Re: Which PCMCIA Ethernet for FreeBSD ? Message-ID: <199808052124.OAA01134@dingo.cdrom.com> In-Reply-To: Your message of "Wed, 05 Aug 1998 12:53:02 PDT." <Pine.BSF.3.96.980805125157.3935A-100000@acacia.cts.ucla.edu>
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> > On Wed, 5 Aug 1998, Mike Smith wrote: > > > > I've heard that 3Com cards do not support promiscuous mode, is this > > > true ? Which cards do you suggest for this kind of application ? > > > > 3com cards support promiscous mode OK, it's multicast that they handle > > badly. > > Could you amplify on the bit about multicasting? Most 3com cards don't have a programmable multicast filter, so to handle multicast you have to put them into promiscuous mode and then do the filtering manually (ie. more software overhead). The new 3c905B does have a real multicast filter, and some of their older hardware (eg. 3c503, 3c505) might have done OK, but the '509 and '589 certainly don't. -- \\ Sometimes you're ahead, \\ Mike Smith \\ sometimes you're behind. \\ mike@smith.net.au \\ The race is long, and in the \\ msmith@freebsd.org \\ end it's only with yourself. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message
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