Duplicate MAC address on Cable Modem – The Fight Goes On
·594 words·3 mins
TLDR: Arris/Motorola SurfBoard Cable Modems (and perhaps others) are constantly showing up with Duplicate MAC Addresses, even though each manufacturer must only make Single device with same address.
Looks like it is time for another fiasco/fight with Comcast for us, something that has become at least annual affair. It all started about a month ago, when we saw Comcast truck nearby adding another “happy” customer to their poor network.