I also think, modem is old one what use my internet provider. Tomorrow I will try to check my new router with another provider.

@pcuttle I buy this router days ago Archer AX73 (AX5400) this is one is last routers from TP-LINK with WIFI6

@pcuttle First of all thanks for you reply I restarted modem many times. I called to my internet provider and ask them to refresh MAC filter in their side. They says we see your modem try to get IP...

Hi everyone Many years I used Tp-link tl-wdr3600 gigabit modem. Today I changed this model with Archer AX73 and I faced with serious problem. When Internet Port Negotiation Speed Setting is Auto...