Date: Mon, 20 Dec 1999 16:20:00 -0800 (PST) From: Tom <tom@uniserve.com> To: Peter Radcliffe <pir@pir.net> Cc: stable@freebsd.org Subject: Re: xl0 won't autoneg full duplex Message-ID: <Pine.BSF.4.02A.9912201615360.26026-100000@shell.uniserve.ca> In-Reply-To: <19991220183557.F14045@pir.net>
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On Mon, 20 Dec 1999, Peter Radcliffe wrote: > Gregory Bond <gnb@itga.com.au> probably said: > > I've got a <3Com 3c905B-TX Fast Etherlink XL> plugged into a Cisco > > Cat5500 100Mbps switch, and I'm been running various 3.x versions > > from 3.0-RELEASE up to the 3.4-RC from 13/12. > > > This card is happy to run in Full Duplex mode if I force it with ifconfig. If > > left to autonegotiate with the switch, the xl0 comes up 100Mbps/half-duplex, > > but the switch comes up full duplex. Hence I get lotsa collisions (~20%). > > Catalysts have had famously bad 100Mbit negotiation. There are so many different kinds of Catalyst's that isn't even meaningful. For instance, Catalyst 19XX/29XX run _completely_ different software from the Catalyst 5XXX stuff. > They often won't negotiate correctly with _other_ _cisco_ products, > let alone anything else (I had this problem with sparcs plugged into > catalysts). > > Make sure your catalyst is running the most recent software ... it got > a bit better. Oh, and next time, go buy foundry switches, they're > nicer and cheaper. I find that Foundry is more expensive. If you want a basic L2 switch, the Catalyst 3524XL can't be beat, and it real simple. For more sophisticated L3/L4 stuff, the Cabletron SSR 8X00 series is nice. It can do full BGP too, for much less than a Cisco 75XX. > P. > > -- > pir pir@pir.net pir@net.tufts.edu Tom Uniserve To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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