1. The Gateway - A PowerMac 7200/90
   • IPNR folder window
   • TCP/IP Control Panel
   • IPNR Config file and User Interface
2. One Slave (Client) - An iMac, Revision B
3. Another Slave - A PowerBook G3
4. YA Slave - An old Mac LC using MacIP (YA = "Yet Another")
5. And YA Slave - An old PowerBook 145b using MacIP
6. Connecting (almost) automatically
7. Connecting (truly) automatically
8. Closing Thoughts

What follows are the most important of the IPNR user interface windows, shown in conjunction with the matching configuration file. The configuration file is created by setting the information in the windows and then saving from within IPNR.

This is the Interfaces window of IPNR. This matches the bolded information from the config file below.

! IPNetRouter 1.4c3 PPC
#forwardingAutomatic
#dialOnDemandOff
+interface\\lo0\127.0.0.1\255.0.0.0\
+interface\Ethernet\mace0\192.168.100.2\255.255.255.0\masquerading\
+interface\Ethernet\mace0:1\192.168.101.2\255.255.255.0\
+interface\AppleTalk (MacIP)\ddp0\192.168.102.2\255.255.255.0\
+route\Direct\192.168.100.0\192.168.100.2
+route\Direct\192.168.101.0\192.168.101.2
+route\Direct\192.168.102.0\192.168.102.2
+route\Direct\224.0.0.0\192.168.100.2
+route\Default-Gateway\0.0.0.0\192.168.100.1
#end

This is the Routes window of IPNR. This matches the bolded information from the config file below.

! IPNetRouter 1.4c3 PPC
#forwardingAutomatic
#dialOnDemandOff
+interface\\lo0\127.0.0.1\255.0.0.0\
+interface\Ethernet\mace0\192.168.100.2\255.255.255.0\masquerading\
+interface\Ethernet\mace0:1\192.168.101.2\255.255.255.0\
+interface\AppleTalk (MacIP)\ddp0\192.168.102.2\255.255.255.0\
+route\Direct\192.168.100.0\192.168.100.2
+route\Direct\192.168.101.0\192.168.101.2
+route\Direct\192.168.102.0\192.168.102.2
+route\Direct\224.0.0.0\192.168.100.2
+route\Default-Gateway\0.0.0.0\192.168.100.1
#end




This is the Gateway window of IPNR. This matches the bolded information from the config file below.

! IPNetRouter 1.4c3 PPC #forwardingAutomatic #dialOnDemandOff +interface\\lo0\127.0.0.1\255.0.0.0\ +interface\Ethernet\mace0\192.168.100.2\255.255.255.0\masquerading\ +interface\Ethernet\mace0:1\192.168.101.2\255.255.255.0\ +interface\AppleTalk (MacIP)\ddp0\192.168.102.2\255.255.255.0\ +route\Direct\192.168.100.0\192.168.100.2 +route\Direct\192.168.101.0\192.168.101.2 +route\Direct\192.168.102.0\192.168.102.2 +route\Direct\224.0.0.0\192.168.100.2 +route\Default-Gateway\0.0.0.0\192.168.100.1 #end

There are other windows within IPNR, but they are not relevant to this discussion or my network.

One Slave (Client) - An iMac, Revision B

Another Slave - A PowerBook G3

YA Slave - An old Mac LC using MacIP

This is the Mac TCP control panel on the Mac LC. The really useful stuff happens when you click "More...", and you must select "Manually" under "Obtain Address" before you can set the IP address in this window.

If you look carefully at the schematic, you'll see a modem connected to this machine. When the cable modem is not using the phone line, this trusty 11 year old box sits idly by, waiting to receive faxes.

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And YA Slave - An old PowerBook 145b using MacIP

This is the Mac TCP control panel on the PowerBook 145b. It's essentially the same as the LC, just with a different IP address.

If you look carefully at the schematic, you'll see the LocalTalk connector going from the 145b to the PowerBook G3. This is an occasional connection I make for testing purposes. I set the TCP/IP control panel to AppleTalk(MacIP), and can use either an ethernet OR phoneNet connection for either TCP/IP OR MacIP. Obviously, TCP/IP by ethernet gives best performance.









<-- This is the "More..." window on the 145b, essentially similar to the Mac LC.

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Connecting (almost) automatically

This is an HTML file which, when opened in Navigator, triggers a connection via the MediaOne Cable Modem. MediaOne provides a browser interface for connecting; when I studied the page source, I distilled it down to what you see. I've reproduced the HTML below as text for copying and pasting. This is only needed with one-way modems; since upgrading to a 2 way modem, I'm always connected.

&lt;html&gt; &lt;head&gt; &lt;title&gt; MediaOne Connect &lt;/title&gt; &lt;/head&gt; &lt;body onLoad="document.forms.connect.submit()"&gt; &lt;form name="connect" method="POST" ACTION="http://192.168.100.1/connecting.html"&gt; &lt;input type="hidden" name="USERNAME" value="username@m1"&gt; &lt;input type="hidden" name="PASSWORD" value="mysecret"&gt; &lt;!--input type= "SUBMIT" value= "Connect to MediaOne"--&gt;&lt;/form&gt; &lt;/body&gt; &lt;/html&gt;
If you, like me, have your own local home page, you can simply copy the HTML for the form, uncomment the submit tag, and add it to your home page. Then, when your browser starts and goes to your home page, a single click connects you.

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Connecting (truly) automatically

What is shown here is part of an Applescript for automatic connections. It requires MacOS 8.5 or better. Do this:

1. Copy and Paste into Script Editor.
2. Compile
3. Save as shown below
4. Put an alias in the Startup Items folder.

The script will then do this:

1. The first time it is run, it will remember your TCP/IP settings (actually, the name of the configuration, not the actual settings). It will also prompt you to locate your configuration file.
2. On subsequent runs, specifically upon restart, it will offer to connect the cable modem and start IPNR, and handle the details for you. Hint: Use Okey-Dokey Pro to automatically click the button so you don't need to babysit your restarts.

If you ever change the name/location of your config file, or the name of your TCP/IP configuration, just recompile and run it again.




Here is the full script to copy and paste.
Requires MacOS 8.5 or better.

------ start script (* This script, or an alias to it, should be placed in the Startup Items folder of the System folder. The first time this script is run, it will determine which TCP/IP configuration is currently active. Subsequent runs will reset TCP/IP to this configuration before starting IPNetRouter. If TCP/IP is not set to your preferred configuration, set it before running the script. *) property myConfigFile : "" property myTCPIPconfig : "" on run activate me if myTCPIPconfig is equal to "" then display dialog "Is TCP/IP set as you wish? If not, cancel now!" my getCurrentTCPIP() end if display dialog "Connect via Cable Modem?" buttons {"No", "Yes", "Just Start IPNR"} default button 3 set routerchoice to button returned of result if routerchoice is not equal to "No" then my switchTCPIP2Cable() my activateIPNR() end if if routerchoice is equal to "Yes" then my cableConnect() end if end run on getCurrentTCPIP() tell application "Network Setup Scripting" try open database begin transaction set TCPIPconfigs to TCPIP v4 configurations repeat with thisconfig in TCPIPconfigs if active of thisconfig is equal to true then set myTCPIPconfig to name of thisconfig end if end repeat end transaction close database on error abort transaction set myTCPIPconfig to "" close database end try end tell end getCurrentTCPIP on switchTCPIP2Cable() tell application "Network Setup Scripting" try open database begin transaction set active of TCPIP v4 configuration myTCPIPconfig to true end transaction close database on error abort transaction set errStatus to "TCPIPnotSet" close database end try end tell end switchTCPIP2Cable on activateIPNR() tell application "Finder" activate try select file myConfigFile open selection on error set myConfigFile to choose file with prompt "Where is your IPNR Config file?" select file myConfigFile open selection end try end tell end activateIPNR on cableConnect() -- put whatever code you need to get connected. -- my browser uses a web page interface which I distilled down to a single page which, -- when loaded, causes a connection to occur tell application "Netscape Navigator⢠4.08" activate OpenURL "file:///CameWith/Utilities/IPNetRouter%20Æ/cableconnect.html" end tell end cableConnect ------ end script

To the right is the Save window, for the benefit of those new to AppleScript and the Script Editor.
Be sure to check "Never show Startup Screen" and either save the file in the Scripts folder (in the System folder), or in the IPNR folder.

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Closing Thoughts

My experience has been that IPNR is very stable and, once configured, no further adjustments are needed. I would like to hear from anyone who puts this information to good use. My e-mail address is available on the IPNetRouter Teaching Index page. If you have questions/problems, posting to the NetTalk Mailing List is probably the best way to go.