netgear me102 mac.txt file format

It's just a plain text file with each allowed MAC address on a new line, such as;

and you don't "put" it anyway as such (other than keeping a copy in any directory where you can get at it when you need to reload it to the AP). Instead you select the MAC filtering option in the ME102 management software and you will find an option to upload from text file. Select this option and then browse to wherever you've stored the plain text file and select it. The file will then be read and uploaded to the AP.

That's all there is to it.

David.

Thanks very much for this David, cheers.