Date: Sat, 14 Nov 1998 16:54:30 +0100 (CET) From: Leif Neland <root@swimsuit.internet.dk> To: Jesper Skriver <jesper@skriver.dk> Cc: freebsd-isp@FreeBSD.ORG Subject: Re: two routers back to back: Do they need real ip-adresses? Message-ID: <Pine.BSF.4.05.9811141652270.283-100000@gina.swimsuit.internet.dk> In-Reply-To: <19981113090526.A10967@skriver.dk>
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On Fri, 13 Nov 1998, Jesper Skriver wrote: > On Fri, Nov 13, 1998 at 01:29:52AM +0100, Leif Neland wrote: > > We had to put in a cisco 1605 router (with 2 ethernet ports) between our > > net and our isp supplying our backbone connection. > > > > The "ethernet", which is only a crossed 10BT cable between the two > > routers, does it need real ip adresses? > > > > > > +-----------+ +-----------+ +----+ ----- > > --our net---+ E0 E1 +------+ E0 S0 |-----+ | \ > > 3C's | 1605 | | 100x | | +---- > > +-----------+ ^ +-----------+ +----+ > > | > > Can I use 192.168.1.0-adresses here? > > Or even unnumbered ip? > > > > Our uplink isp wants us to subnet one of our C's in a /30, is this really > > nessecary? > > You can't use unnumbered on broadcast media aka ethernet, so you need to > assign addresses to the interfaces, Not even on a full duplex 10BT cable? Receiver A will only get data from Transmitter B and vice versa. Leif To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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