Re: [WinMac] 2 IP addresses on Mac

Carl Ketterling(carl[at]thursby.com)
Fri, 12 Mar 1999 19:33:34 -0600

(sorry for the late response)

Liam is on the right track here. In fact, similar information can be
found at Thursby's website for DAVE. Here's a long-winded, but hopefully
complete, answer to Michael's question (if we've missed anything, please
let me know):

================

Can I use DAVE to access Windows computers on my local network and still
access the Internet?

Apple's TCP/IP is not designed to have two physical connections at the
same time (typically serial port and Ethernet port). This means that it
cannot be connected to the Ethernet while using a dialup (PPP) Internet
connection.

To use DAVE in this configuration, you will either need to switch TCP/IP
between dialup and Ethernet when you need to change from one to the
other, or you¹ll need special software configured to allow both
connections simultaneously.

To switch dialup and Ethernet TCP/IP connections, you¹ll need to
configure multiple Œconfigurations¹ in your TCP/IP control panel. Open
TCP/IP and select Configurations... from the File menu. In this window,
you can duplicate the default configuration twice. Name one ³Modem
(Internet)² and the other ³Ethernet (DAVE).² Select ³Modem (Internet),²
click Make Active, and configure this for your dialup connection. Open
the configurations menu again (save the changes you just made), select
³Ethernet (DAVE)², click Make Active, and configure this for your local
network.

To change between the two configurations, open TCP/IP, select
Configurations from the File menu, select the proper configuration, click
Make Active, and close the control panel.
NOTE: This will interrupt any currently active TCP/IP connections.

An easier way to change TCP/IP configurations is to use the Control Strip
Module ³TCP CC.² Information for this CSM and a sample download is
available from <http://www.madison-web.com/tkelly/#tcp>.

If you would like to use your local network at the same time you have
access to the Internet, there are several solutions available:

You can install software on your Macintosh that allows both an Ethernet
and a dialup TCP/IP connection at the same time.

€ IPNetRouter by Sustainable Softworks (www.sustworks.com)
€ SurfDoubler by Vicomsoft (www.vicomsoft.com)
€ Internet Gateway by Vicomsoft (www.vicomsoft.com)
€ SoftRouter Plus by Vicomsoft (www.vicomsoft.com)

You can use an Internet connection on Windows and install software that
will allow the Macintosh to access the Internet through that PC (a.k.a.
proxy server), thus keeping TCP/IP on the Macintosh always configured for
Ethernet.

€ Internet Gateway by Vicomsoft(www.vicomsoft.com)
€ SoftRouter Plus by Vicomsoft (www.vicomsoft.com)
€ SyGate by SyberGen, Inc. (www.sygate.com)
€ WinGate by Deerfield Communications Company (www.wingate.net)
€ WinProxy by Ositis Software (www.ositis.com)
€ aVirt Gateway by aVirt Gateway Solutions (www.avirt.com)
€ SpoonProxy by Pi-Soft Consulting (www.pi-soft.com)

For detailed directions on how to install and configure each of these
products, please visit the appropriate website.

================

Carl

On 3/1/99 3:55 PM, Liam Helmer <liamh@axion.net> wrote...

>Hey there Tim,
>
>It looks like you just got a whole lot of advice that isn't actually
>applicable to your problem. Unfortunately, if you want to connect to the
>internet and connect to a tcp/ip network, OT only natively recognizes ONE
>TCP/IP connection. If you want to connect to more than one TCP/IP interface
>like you're talking about, you need to get another program to do it. For
>instance, IPNetRouter will do a good job of this, allowing you bring up the
>PPP Connection while keeping the network running. What you can do is just
>bring up IPNetRouter instead of connecting, and set it up to automatically
>dial and connect to the internet when you launch it.
>
>Vicom Internet Gateway will also do this, but it's more expensive, and might
>be overkill in this case.
>
>My personal suggestion would be to have a separate server machine to do the
>dialing up and do NAT for computers on the network... it's easy to set up
>and makes things a whole lot simpler for you...
>
>Cheers,
>Liam Helmer
>Macintosh Specialist/Technical Support
>Axion Internet Communication, Inc.
>Tel: (604) 605-4506
>Fax: (604) 687-8130
>E-mail: jvictor@axion.net
>http://www.axion.net
>
>-----Original Message-----
>From: Shawn Protsman <protsman@christianliving.net>
>To: The Windows-MacOS cooperation list <winmac@xerxes.frit.utexas.edu>
>Cc: casper@nb.net <casper@nb.net>; kulyk@macspectrum.com
><kulyk@macspectrum.com>
>Date: Sunday, February 28, 1999 10:27 PM
>Subject: Re: [WinMac] 2 IP addresses on Mac
>
>
>At 11:25 AM -0500, 2/28/99, thus spake Tim Scoff:
>> > My client has 3 G3's and one 8600 all running OS 8.1 on a 100 BASE T
>> > network attached to an NT 4sp3 server.
>> > They use TCP/IP to attach to the server via DAVE.
>> > They all have their own modems to dial the internet.
>> > When the want to dial the internet they have to select another IP
>> > configuration from the TCP/IP control panel. They find this too
>> > cumbersome.
>> > I was wondering if there was a simple inexpensive way to simplify this
* Windows-MacOS Cooperation List *

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