[nsp] Dial-Backup for PPPoE-Dialer?
gert at greenie.muc.de
Thu Feb 12 11:20:10 EST 2004
On Thu, Feb 12, 2004 at 03:10:41PM -0000, Chris Roberts wrote:
> > You could. It creates a dependency on the ISP's router IP address,
> > which is bad bad bad bad - ISP adds more routers, or moves some L2TP
> > tunnels to a different routers, and suddenly you need to use the same
> > loopback IP on different boxes, or your client dialup will break.
> > The fact that you can do "ip route 0.0.0.0 0.0.0.0 dialer1" without
> > knowing the specific IP of the remote end is *very* useful...
> This depends if you've got a /30 on the link, which I assume from your reply
> that you havn't :-)
IP address assignment is dynamic ("ip address negotiated" in my
> If you have a /30 on the link and use dialer-watch on
> the specific /32 of the peer, you avoid this problem. I've not found a way
> of getting round this problem other than to use a routing protocol if you
> use IP unnumbered.
OK. I was afraid someone would say that... - thanks.
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Gert Doering - Munich, Germany gert at greenie.muc.de
fax: +49-89-35655025 gert at net.informatik.tu-muenchen.de
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