You had Tops-10 speaking IP??  Whaay cool!  I don't recall there being more than a handful of Tops-10 machines on the ARPAnet and was saddened that the official product never adopted it.  Are those sources anywhere?  Maybe some worthy Tops-10 wizard might put them into a hobbyist release.

Tops-20 supports SLIP.  Like the IPNI and IPCI keywords, you can put a SERIAL entry into SYSTEM:INTERNET.GATEWAYS.  I had thought this was how MRC continued to send messages from LingLing to Tops-20-Wizards.  I don't immediately remember him talking about either of his 2020's having Ethernet.  This, of course, means nothing...

This is part of the multinet code. which suggests that it could be adapted to asynchronous DECnet.  I'm not saying that's a great idea, just that it might be an interesting one.  Probably a better approach would be to implement an MCB front end like what has been done with Chaos.

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On 9/10/22 11:23 PM, Peter Lothberg wrote:

Once upon a time when we put the IP code in to the 7.02/t.03 merged code for KI10's we used the serial interface on one of the non master CPU's to talk SLIP while debugging... -:)