Date: Tue, 11 Jun 1996 19:19:32 +0200 (MET DST) From: "Christoph P. Kukulies" <kuku@gilberto.physik.rwth-aachen.de> To: wollman@lcs.mit.edu (Garrett Wollman) Cc: kuku@gilberto.physik.rwth-aachen.de, freebsd-questions@freefall.FreeBSD.org Subject: Re: FreeBSD as a 100Mbit router Message-ID: <199606111719.TAA01947@gilberto.physik.rwth-aachen.de> In-Reply-To: <9606111659.AA25077@halloran-eldar.lcs.mit.edu>
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> <<On Mon, 10 Jun 1996 19:12:19 +0200, "Christoph P. Kukulies" <kuku@gilberto.physik.rwth-aachen.de> said: > > > Anyone having experience with 100Mbit technology? > > I'm thinking of building a router from our campus FDDI ring to > > 100MBit Fast Ethernet. > > Using a P5 and PCI bus what hardware could be recommended? > > Something based on a Triton or Triton II chipset (or whatever Intel > has decided to call them this week). The P6 chipsets are not as good > as yet. For the Ethernet, I would recommend any board supported by > the `de' driver; we use DEC DE500-XAs because they were the only ones > available when we bought them. For FDDI, there is only one choice; > the only driver we have is for the the DEC DEFPA card. > > > What router throughput could be expected? > > You should be able to forward large packets at line rate. Smaller > packets are significantly more expensive. > > > BTW, how reliable is 100BaseT technology? > > As reliably as regular Ethernet, provided you stay within the design > limits. Thanks for the information and thanks to others who answered to my question. One last question: Specs/Design limits, cards etc. - is there a web site carrying info on these issues? > > > What does the physical layer look like? Twisted pair phone line > > (2 wire, shielded)? what type are the connectors and wall outlets? > > It's category 5 UNshielded twisted-pair centered in an eight-position > modular connector (RJ-45? you may have a different local standard > number). > > -GAWollman > > -- > Garrett A. Wollman | Shashish is simple, it's discreet, it's brief. ... > wollman@lcs.mit.edu | Shashish is the bonding of hearts in spite of distance. > Opinions not those of| It is a bond more powerful than absence. We like people > MIT, LCS, ANA, or NSA| who like Shashish. - Claude McKenzie + Florent Vollant > --Chris Christoph P. U. Kukulies kuku@gil.physik.rwth-aachen.de
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