Date: Sat, 29 Sep 2001 10:35:11 -0700 From: "Kevin Oberman" <oberman@es.net> To: Barney Wolff <barney@databus.com> Cc: Joe Greco <jgreco@ns.sol.net>, "Gary W. Swearingen" <swear@blarg.net>, freebsd-stable@FreeBSD.ORG Subject: Re: 127/8 continued Message-ID: <200109291735.f8THZBk31038@ptavv.es.net> In-Reply-To: Your message of "Fri, 28 Sep 2001 23:53:37 EDT." <20010928235337.A94406@tp.databus.com>
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> Date: Fri, 28 Sep 2001 23:53:37 -0400 > From: Barney Wolff <barney@databus.com> > Sender: owner-freebsd-stable@FreeBSD.ORG > > I agree completely that the manpages are not and should not be a > substitute for a good networking book. > > Part of the conceptual problem is that Ethernet has evolved far > from its coax origin, when it really was a broadcast medium. As > soon as twisted-pair was born, Ethernet became *electrically* > point-to-point, but continues to be logically broadcast. With > fancy GBICs these days running GigE over dark fiber up to 70 km, > Ethernet makes an awfully nice point-to-point technology. > > Despite all that, I've never seen a fixed point-to-point circuit > that was not a /30 if it landed on its own interface at the ISP's > router. The exceptions are all multiplexed/channeled at the ISP. > I'm not sure RFC3021 is out there in the real Internet yet. > Has anyone seen a T1 or better provisioned as a /31? Not on FreeBSD, but I have an OC-12 between a Juniper M20 and an Avici router configured that way. R. Kevin Oberman, Network Engineer Energy Sciences Network (ESnet) Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) E-mail: oberman@es.net Phone: +1 510 486-8634 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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