On Thu, 23 Oct 2003 12:14:50 +1300 (NZDT) Andre Renaud <[EMAIL PROTECTED]> wrote:
> > On Fri, 2003-10-24 at 00:00, Nick Rout wrote: > >> yes its been lingering in my mind as to why exactly there is a default > >> route set before the gateway to the outside world goes up? > > > > With IP, you only *need* a loopback interface - all other interfaces can > > be virtual, not physical. > > > > So the presence of IP implies loopback, which implies a default route to > > loopback. The "inside world" is always present - the "outside world" is > > not. > > > > When you install new interfaces, it's up to the installer to nominate > > the new default route. > > > > (Yes, leaving a default route to loopback isn't necesarily that useful, > > but it always works) > > I'm not quite sure how this relates to default routes, but pointing your > default route at your loopback device is almost definitely thing wrong > thing to do. There is no need to have a default route at all, if you are > on a small network with no external connectivity you may not have one. So > if you've just got an ethernet card 90% of the time, which is attached to > a single closed subnet, and occasionally dial up via a modem, then you > really should not assign the default route to your ethernet card. Just > don't have one, let pppd sort that out for you. > > Andre > exactly! -- Nick Rout <[EMAIL PROTECTED]>
