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From: frye@cerl.uiuc.edu (G. David Frye)
Newsgroups: comp.protocols.appletalk
Subject: Re: MacTCP on LocalTalk'ed machine
Keywords: MacTCP, LocalTalk
Message-ID: <1990Dec31.214828.20984@ux1.cso.uiuc.edu>
Date: 31 Dec 90 21:48:28 GMT
References: <1990Dec31.173427.8371@ncsuvx.ncsu.edu>
Sender: news@ux1.cso.uiuc.edu (News)
Organization: UIUC Computer-based Education Research Lab
Lines: 34

In article <1990Dec31.173427.8371@ncsuvx.ncsu.edu> Paisley@mte.ncsu.edu writes:
>We are reconfiguring our lab from using built-in TCP drivers (like NCSA Telnet)
>to using MacTCP.  I had no problems with systems directly on the Ethernet, but
>can't get it to work on machines that are on LocalTalk and then connected to
>the big net via a FastPath.  I don't have any real documentation on MacTCP
>since the MacTCP drivers came included in other packages (like Mathematica,
>etc.).

Remember that non-MacTCP NCSA Telnet worked in this configuration.  That may
help get you through the frustrating exercise of getting MacTCP to work.  I
had the same problem -- changed software versions, installed MacTCP, didn't
have any documentation.  You know that the hardware and the gateway software
worked before you started.  Keep it in mind.

The one key piece was knowing to configure MacTCP to be in "server" mode. It
seems intuitive to use the "dynamic" setting, but it's wrong and you'll get
inconsistent results at best.

You also need to know the address of your gateway to the outside world.  Note
that "Gateway address" is NOT the IP address of the Fastpath, but rather of
the gateway from the Ethernet LAN to the Internet.  This only applies if you
are specifying IP addresses that aren't on your LAN.

One subtlety that I didn't realize until I was told by someone at NCSA --
their Telnet program does not use the MacTCP Hosts file.  The Telnet config
file is still needed and is used to reference host names and god knows what
else.

Finally, you need to reboot the Mac after _every_ change to MacTCP.

G. David Frye
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