@Permetris I have no access to the 3g router right now as it is installed in a another far away location. However, if I am not mistaken (correct me if I am wrong) the DHCP server is automatically...

@Kevin_Z Thanks Kevin for your reply and the link. I was aware of these instructions and I followed them exactly as described but without success. I am away from location for a period, and I cannot...

I try to use the router as a 3G/4G backup to an existing internet connection. I connect the fixed line router with the wan port of mr6400, I change the mode of MR6400 to wireless router, and then...