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What settings do you want to know (sorry I'm a little stupid)? It's dhcp MTU is 1500
System Preferences>Network

Screen Shot 2022-06-26 at 12.22.27.jpg

Select the Ethernet connection (or adapter or whatever it may be labeled).

Screen Shot 2022-06-26 at 12.25.07.jpg

Click on the Advanced button, then get screenshots of the DNS and Hardware tabs.
 

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Is this what you need? I don't know how to add the screenshots like you did.

View attachment 2023710

View attachment 2023711
In the DNS tab, where you have the plus button, add another DNS entry. But BEFORE you do that, copy down the DNS entries you see there right now. Sometimes when you try to enter a new DNS the preset ones disappear. We want to be able to add those back if they do.

For the new entry, add: 1.1.1.1

dns.jpg

Then close the boxes and apply the changes. See what happens.
 
In the DNS tab, where you have the plus button, add another DNS entry. But BEFORE you do that, copy down the DNS entries you see there right now. Sometimes when you try to enter a new DNS the preset ones disappear. We want to be able to add those back if they do.

For the new entry, add: 1.1.1.1

View attachment 2023716

Then close the boxes and apply the changes. See what happens.
I got 960 Kbps with the changes.
 
Uhhhhh, yeahh. Not good. Something is whacky somewhere.

BTW, you don't happen to be using your Airport Extreme card at the same time you're using the ethernet adapter do you?
I turned the Airport Extreme card off while doing everything. I know I'm not going to get blazing speeds but 80-90 Mbps would be nice
 
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Some things you might try.

1. Attach a hub/switch to the powerline adapter and then plug cable from both the Studio Mac and the iMac into the hub/switch.

2. Does the Studio Mac have two ethernet ports? If so, you could try plugging the Studio in to the adapter and then running a second cable to the iMac. You'd Internet Share via the Studio Mac to the iMac.

3. Attach an Airport base station to the adapter and then use WiFi from the iMac. That requires a little more setup.
 
Some things you might try.

1. Attach a hub/switch to the powerline adapter and then plug cable from both the Studio Mac and the iMac into the hub/switch.

2. Does the Studio Mac have two ethernet ports? If so, you could try plugging the Studio in to the adapter and then running a second cable to the iMac. You'd Internet Share via the Studio Mac to the iMac.

3. Attach an Airport base station to the adapter and then use WiFi from the iMac. That requires a little more setup.
Unfortunately I don't have a hub/switch and the Mac Studio only has 1 ethernet port. Do you think a Airport base station would work and if so which model?
 
Unfortunately I don't have a hub/switch and the Mac Studio only has 1 ethernet port. Do you think a Airport base station would work and if so which model?
I have an Airport Extreme, but the regular base station should work. You just need to put it in Bridge Mode and assign it a static network IP address that is outside the range that your primary router uses. Give it a different BSID network name and have the iMac connect to that.
 
I have an Airport Extreme, but the regular base station should work. You just need to put it in Bridge Mode and assign it a static network IP address that is outside the range that your primary router uses. Give it a different BSID network name and have the iMac connect to that.
Something like this? https://www.ebay.com/itm/195027363385?epid=108884189&hash=item2d68896639:g:XzcAAOSw3Hdhb2Zj&LH_BIN=1

or this maybe? https://www.ebay.com/itm/125380971787?epid=219530199&hash=item1d3149cd0b:g:46UAAOSwjy9ispx1&LH_BIN=1
 
You'll never get the full speed over powerline, but it gets close.
It totally depends on how your house is wired up. I use a 2GB Powerline adapter from downstairs where the 1GB/s down router is. I get 200Mb/s tops. Fast.com is giving me 130Mb/s right now. That's some overhead.
 
The G4 iMac ethernet is 100BASE-T, so no Gigabit connection there, not even close.
(yeah, a repeat of Amethyst1 post -- I had this page open for a couple of hours, not noticing anything around me, apparently...:cool: )
 
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