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I have a BE10000 3 unit mesh system and I am considering expanding to 4 units. My mother has a BE11000 3 unit system and may also need a 4th unit expansion. I would like to purchase a 2 unit bundle to

Allow local network access but block access to internet

I have a computer on my network running an older version of Mac OS that can no longer be updated. I use it as a music and file server. For security reasons I do not want to allow it to access the inte