MAC NMRPFLASH TUTORIAL & OPENWRT GUIDE

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This guide was developed with the assistance of the following resources, although I am not affiliated with them. I acknowledge their contributions and provide credit to their respective owners:

- GitHub repository: https://github.com/jclehner/nmrpflash

- Homebrew installation guide: https://brew.sh/

- YouTube tutorials:
- https://www.youtube.com/watch?v=IWJKRmFLn-g
- https://www.youtube.com/watch?v=1IgwDwoa9yY

Check the second post, as this was edited.

 

 

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Update the video to make it easier to follow. I messed up some of the instructions, and there’s no proper guidance on the internet. If you don’t follow a step, you’ll get stuck with issues like sending files to the wrong directory or failing to access them. It took me almost a full day to figure out what was wrong, and it was a painful ride with looking up information that I guess no one wants to specify or have videos for, thank me later. 

Plug the Ethernet adapter in to avoid the error “pcap: no such device exists”.

This procedure can be done in most Netgear products as TFTP for some reason fails most of the time, and this resolves this issue into just doing it once, and it works.

Link to Video

https://www.dropbox.com/scl/fi/01y28isz5ce3h8q62lmpw/1227.mp4?rlkey=6kzq5kxyq94jzt03z04qubddm&st=g6f35m7w&dl=0

Follow the steps from the first video. I’m not redoing it, but here’s a demo of an R7000 going from OEM to OpenWRT and back.

https://www.dropbox.com/scl/fi/ghc7mu04mbhupuge4bm60/1228.mp4?rlkey=qee5qf5q5bext6jbvhfz79eb2&st=0b2qj84q&dl=0