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Transfer Data between vintage Macintosh and modern Macintosh

MaxL

Member
Hi,
I have a Macintosh Performa 475 equipped with an Ethernet card and I would like to use it to get data from my modern Mac to my Performa. I tried sharing a folder on my modern Mac and connect my Performa via Fetch to the modern Mac and FTP data to the Performa. But unfortunately, that didn't work and I couldn't find any instructions on the internet, on how to set it up properly.

Has anyone tried this yet and can give me some advices?
That would be really nice.

Have a nice day!
Max
 

MaxL

Member
Thanks for your reply. My modern Mac is a Mac Pro 5.1 running macOS Mojave 10.14.6. It's connected via ethernet to a router (Fritzbox) which acts as a switch. The Performa is as well connected via ethernet to the same router
 

LaPorta

Well-known member
First, sometimes, depending on the System and the card, the old Mac may not work well with the auto-sensing hardware in the modern router. That might be the first issue. Second, there is absolutely no way to use the built-in networking solutions to host files with the modern mac; the Performa would never be able to connect to it. Hosting on the Mac Pro with an FTP server could possibly work, using Fetch on the Performa to connect to it. Still, that would not fix the hardware issue. You may need an older ethernet router to use as a bridge for the Performa to be able to connect to the network at all.
 

MaxL

Member
Hi,
Thanks, the Performa has a 10BaseT and 10Base2 port. But I use the 10BaseT because the rest of my network is obviously RJ45 as well.

I will try later on setting up an FTP Server on my modern Mac and let you know if it worked.
 

MaxL

Member
I've tried accessing the FTP server (QuickFTP) on my Performa, no luck there. I ensured that the server was working, by connecting a Windows notebook via WLAN to the server, which worked like a charm.

@LaPorta mentioned that my Fritzbox router might be the problem, luckily my MacPro has a second Ethernet port, which I could use. It kind of worked, because I was able to ping the Performa and I could see that some packaged were exchanged between the two macs (in Network utility), but still, my Performa won't access the FTP server. The last thing I could try is using my level one switch and hooking up both machines on that one. But I don't think this will work either, because I was already able to ping the Performa.
 

MaxL

Member
I am not quite sure, what's going on between those two Macs, so I thought maybe I sould try Wireshark the connection and look at that.

1627057750050.png

I am not a profi, but it looks like to me, that the Performa tries to send an ARP request, trying to find my MacPro where the FTP server is hosted. And apparently, it doesn't get a response from any device in the network, still, there are those DHCP Messages, which I can't really explain. Because the 0.0.0.0 source IP would indicate that the destination is unknown.

1627057811709.png
1627058180037.png

After a while, this popped up, which I can't really make sense of. But as far as I understand it, this MDNS is some kind of special DNS service that directly talks to devices. But apparently, it comunicates via IPV6, which my Performa can't handle.

Maybe someone can make sense out of it.
 
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