The Fix After much trial and error, I did a factory reset on the modem, disabled "DMZplus", and reinitiated DHCP for the 5268AC and SSH works properly again. I can cat 6MB+ log files with ease. However, if I reenable "DMZplus" for my router and reset DHCP, the SSH problem returns. There is a catch, however. Mercedes-Benz equips its S550 sedans with a maintenance interval tracking system that displays reminder messages when it determines regular service is due. Certain maintenance messages automatically reset after receiving information from sensors in the vehicle that the service has been performed.
We need to restore factory defaults for those access points. To be honest, I did a lot of googling and this blog is kind of combination of many articles I came across. ap: reset Are you sure you want to reset the system (y/n)?y System resetting… Boot from flash. IOS Bootloader - Starting system.