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MBX

macrumors 68020
Original poster
Sep 14, 2006
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Hey there

This is probably impossible but I wanted to ask anyway.

I have my internet connection at home that for now has fairly good download speeds but "horrible" upload speeds in comparison to only about 1.2Mbps. And even with such bad upload speeds my ISP seems to throttle my download speeds while I upload something. Means: Browsing the web, even just simple sites or watching YouTube is nearly unusable while uploading something. I haven't looked into it yet but seems I need to get a different plan at my ISP or change to somebody else entirely.

For now I use my mobile hotspot to upload stuff as my mobile plan has unlimited data and upload speeds vary from 5mbps up to 10mbps+ depending on location. And most importantly I can surf the web and download stuff without any throttling just because I'm uploading. Which is so much better.

Now I wanted to ask is there some way in macOS (I'm on High Sierra but this is a general Mac question) to use a wifi connection for downloads but a different connection for uploads?

It seems impossible as that would mean 2 separate IP's. But I thought I'll ask anyway if somebody has a suggestion?

Thanks
 
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From the little research I've done, it seems as though you'll need an external Wi-Fi adapter and an application called Speedify in order to achieve that. I am not sure if you can use Speedify in order to decide which connection to upload with and the other to download with but you can always read the app's description or give it a try yourself.

Read more about that here.
 
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If certain sites are the culprit for upload, but you don’t need the download for the same site, you can add static routes to your Iptable and send traffic for specific sites over a second external wifi card. You could write scripts to do this on the fly. Maybe apps are available to provide an interface. It’s certajnly possible with just command line, scripting, and a usb WiFi, but might be time consuming.
 
Great inquiry, and research!!

PoweMac G5, and the MAC Pro’s hereafter seems to have dual gigabit Ethernet to achieve this over LAN connection ~ but using the same IP addresses.

Maybe a mesh wifi network would support this? Maybe one on 2.5Ghz and the other manually created network connection using 5Ghz? 5Ghz = beingthe download of course, 2.5Ghz for upload?
 
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