Dave Gomez (rvlr40) <[EMAIL PROTECTED]> wrote:
>
> I was thinking that I should be able to do something like:
> 
> _________   ethnet   ________    PPP   ______
> |  mac   |=--------=| linux  |=------=| isp  |
> |        |          |        |        | w/gw |===>Internet
> |________|          |________|        |______|
>                         ||
>                         || isdn
>                      ___||___
>                     |        |
>                     | work   |===>wan
>                     | w/gw   |
>                     |________|

Sure, why not?  Almost anything is possible with the right
configuration.  :)

> Now, if I could have it all, I would like the linux box to act as a
> router to handle both my isdn/work & ppp/isp so that my linux & mac
> could talk to either work or isp and have their names resolved by the
> dns from work, or the dns from the isp.  Is this a ip-masquerade type
> thing, or is this a nat kind of thing?

You mean you can tell the difference between IP Masq and NAT?  I can't.  :)

Your situation above can work just fine, though you are probably relying
heavily on your default route to get your traffic routed.  If you can
instead come up with a very loose routing rule (for instance, all
traffic destined for 15.* goes to the corporate WAN), then you could
have the box route both to the Internet and the WAN.

It is also somewhat likely that your box would be considered a security
risk, since someone could conceivably compromise your Linux box and then
proceed into the corporate network...

-- 
   [EMAIL PROTECTED] (Fuzzy Fox)      || "Nothing takes the taste out of peanut
sometimes known as David DeSimone  ||  butter quite like unrequited love."
  http://www.dallas.net/~fox/      ||                       -- Charlie Brown


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