@Joseph-TP Yes the mail arrived.

@Joseph-TP The entire connection is correct, the fact is that this problem occurs with many other models, both modems and TP-Link routers. Just search here in the forum for phrases like "Recv no...

There are dozens and dozens of discussions about this problem, but no solution. Two errors, which lead to frequent disconnections: Recv no OFFER, DHCP Service unavailable Send DISCOVER with request...

@Sunshine i don't understand, what are you talking about?

Anyone?

How long is the NAT refresh time? How many seconds? For how long a router keeps records in the NAT? I found this on internet: According to Section 4.3 of RFC 4787, the UDP timeout of a NAT should not...