@Kevin_Z Thank you. I hope your engineer may be able to solve the issue. The problem is quite disturbing because it can happen within a very short periode.

@Kevin_Z It just happened again after I set the DNS server. During the problem, I also can't ping 8.8.8.8. Please find attached the log.

@Kevin_Z Thanks for your reply. I have set the DNS server according to your suggestion. Does the TL-MR100 periodically check the connection to the DNS server? So you are thinking maybe there is...

Just happened a couple of minute ago. Twice within 15 minutes.

@Kevin_Z I am also experiencing the same problem. It can happen several times in an hour. Actually the same provider (different SIM) is used in my phone and the connection is stable. My first...