@vivadita I usually check, if the PC has torrent-client, then I check it for viruses, then I de-activate anti-viruses. Almost everytime only these problems exist, if I have some attacks in logs ;)

@SheldonTrever I have big experience with TP-Link switches (and APs). TP-Link is growing, so they are improving their software, it means you must always use the latest firmware and check to buy the...

@Carles If you can telnet your switch, also check, if you disabled your HTTP/HTTPS sessions "no ip http session / no ip http secure-session"

There is no DNS-server nor in T2600G series neither even in T3700G.

@PeterS Hi, if you have something like "several packet goes through (I checked by ping), then it's blocked for a minute, then again several packets goes through, when MAC-address must be totally...

@PeterS I know, that D-Link's mac-based-access-control is the same, as theoretically "MAB for MAC-Based", not MAC for Port-Based only. I had a client, which wanted to change dlink with tplink, but...