Bad punches at the end of your runs is one possibility. Cheap/bad cable is another.
Another - maybe more likely - explanation is that the cable runs parallel to some electrical wire and induction is generating RFI on your CAT6 cable.
Bad punches at the end of your runs is one possibility. Cheap/bad cable is another.
Another - maybe more likely - explanation is that the cable runs parallel to some electrical wire and induction is generating RFI on your CAT6 cable.
Unless there’s a strong academic reason, it’s probably more work than it’s worth for the average person. It becomes a vector for attack, and there’s external infrastructure that has to be maintained as well (DNS, SPF, DKIM, etc)