(ASCEND) Pipeline 75, NAT & 2 remote networks

["Chris Fulmer" <chrisf@nortelnetworks.com>]

Hey there....

  I have a Pipeline 75, provided to me by my employer for telecommuting,
running 6.1.something....  It's currently loaded with static IP
addresses (they give me a 3-bit subnet).  I would like to use the same
Pipeline to connect to an ISDN ISP.  Because my host is in the corporate
class-A network, I believe that it would cause some big fat sloppy
routing problems for me to use these addresses when talking to my ISP.

  NAT is the obvious answer to the problem.  What I'm not quite clear
on, though, is how do I configure the Pipeline to only use NAT on the
ISP connection, and not on both?  (Not running DHCP at work.)  Also, the
6.1.whatever manual says that I have to have 3-digit numbers for the 4
bytes of all my addresses in order for NAT to work right (sounds like a
*big* bug).  Naturally, this isn't true for me.  Does the new 7.3.X
release, for which I can't find documentation, fix this?

  On a related question, our corporate security people are naturally
concerned about folks like me being connected to both the corporate
network and the internet at the same time.  (For obvious reasons).   Is
it possible to configure a one-or-the-other-but-not-both scenario?

Many thanks!

--
Chris Fulmer
chrisf@nortelnetworks.com
(In case anybody's wondering, we bought the pipelines long before Ascend
was bought by a competitor and we bought a competitor of Ascend's.  I'm
sure the hardware choice is different now.)


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