DSL Rate

From: Neil Cherry <ncherry_at_home.net>
Date: Sun Dec 24 12:06:25 2000

Chuck McManis wrote:
>
> At 09:01 AM 12/24/00 -0800, Bruce wrote:
> > Not to my mind. My router, having two Ethernet ports, must have an IP
> >address for each of those ports. In order to be a part of the subnet on the
> >Cisco side, the port attached to it must have an IP address out of the
> >63.226 block I've been assigned. Ergo, that address is not available for a
> >machine.
>
> But the router actually can use the *same* IP address on both sides. This
> is running in what is known as 'unnumbered' mode. Since the diagram looks
> like this:
>
> +-------------+
> | |
> ISP +----------+ A Router B +-------> LAN
> | |
> +-------------+
>
> Both interfaces A and B do not need unique IP addresses. They need only
> one, since everything coming in port B that isn't for the local subnet goes
> out port A and everything from the ISP is logically appearing at port B.
>
> The the router to ISP path is a point-to-point link this works great.
>
> --Chuck

I've never used Unnumbered (I forgot about that!), this is sorta, kinda,
maybe like a layer 3 switch. :-) I'll need to look that up, it could be a
very useful tool. Thanks

-- 
Linux Home Automation           Neil Cherry             ncherry_at_home.net
http://members.home.net/ncherry                         (Text only)
http://meltingpot.fortunecity.com/lightsey/52           (Graphics)
http://linuxha.sourceforge.net/				(SourceForge)
Received on Sun Dec 24 2000 - 12:06:25 GMT

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