Re: (ASCEND) Pipeline 75, NAT & 2 remote networks

[Richard Johnsson <johnsson@interval.com>]

I did this for one of our telecommuters a long time ago. Although I was 
skeptical about it working, it worked like a charm the first time. I don't 
remember anything about the config except that it was pretty simple. Just 
do the obvious things for the two connections as if they were the only one.

The situation was the same: 3 bit subnet fixed addresses on the corporate 
net and a local ISP providing a dynamic address which I used for single 
address NAT. Just set the default to use the ISP and manually route the 
corporate networks through the corporate connection.

The box would happily dial either or both connections. I don't know if it's 
possible to restrict it to one at a time.

At 05:31 PM 8/17/1999 -0400, Chris Fulmer wrote:
>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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