Date: Wed, 13 Sep 2000 23:37:26 -0700 (PDT) From: wpaul@FreeBSD.ORG (Bill Paul) To: andreas.klemm.ak@bayer-ag.de Cc: freebsd-hardware@freebsd.org Subject: Re: fxp driver, which DUAL port cards exist and are supported ? Message-ID: <20000914063726.1814937B423@hub.freebsd.org> In-Reply-To: <0006800030802192000002L022*@MHS> from "andreas.klemm.ak@bayer-ag.de" at "Sep 12, 2000 08:10:26 am"
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> Hi ! > > Is there a 2-Port 10/100 Bit network card available, which is supported > by our fxp driver in -stable and -current. > > Would every dual (or more generally spoken "multiport network") card with the > chipsets, that our fxp driver supports, be supported, or do have dual port card > a logic, which might not be supported by the fxp driver ? > > Whats the product name for a dual port card which is known to work > and what approx price compared to the 1-port card ? > I assume these cards might be a little more costy... Intel makes a dual port 82558-based NIC which works with the fxp driver. I don't know the exact model number offhand. Each port is treated as a seperate interface, i.e. port 1 becomes fxp0 and port 2 becomes fxp1. The guts of a PCI ethernet adapter is basically a single controller chip; multiport cards have two such controller chips connected to a PCI-PCI bridge. So as far as the host is concerned, you have two independent NICs that just happen to be sharing a single board. As far as I know, all of the multiport cards are designed this way. The cheapest multiport card I know of is the D-Link DFE-570TX, which is a quad port card with Intel/DEC 21143 chips. ZNYX also makes dual and quad port cards with the 21143, however they are likely to be more expensive. Both the D-Link and ZNYX cards should work with the dc(4) driver. The Adaptec DuraLAN mutliport cards (dual and quad port) are also supported using the sf(4) (Starfire) driver, however these are fairly expensive: a quad port card will run about $500US. There also exists a dual port Compaq Netelligent card based on the Texas Instruments ThunderLAN chipset, which is supported by the tl(4) driver, however you're only going to find these on the second-hand market or auction sites as they're no longer in production. I mention it just in case you happen to run across one; if you find one cheap, it's worth getting. The best bargain is the D-Link DFE-570TX. It's very cheap and offers decent reliability and performance. -Bill To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message
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