That's exactly what I meant -- they have to have the ability to associate an identity with an IP/active network connections, which usually means recording it at

That's exactly what I meant -- they have to have the ability to associate an identity with an IP/active network connections, which usually means recording it at the time that access is first granted. (Doing otherwise usually indicates the to subject of surveillance that they are being watched, which is generally considered undesirable by the watchers.) Noting someone's name along with their DHCP lease is very much not the same thing as recording all traffic to and from that IP.