WAN disconnect

I am having major WAN problems. I have tried official asus firmware, merlin latest version even tried an older asus release to no avail. Does anyone have any suggestions?

Nov 24 17:35:04 WAN Connection: Ethernet link down.
Nov 24 17:35:09 WAN Connection: Ethernet link up.
Nov 24 17:35:09 rc_service: wanduck 231:notify_rc restart_wan_if 0
Nov 24 17:35:09 dnsmasq[245]: read /etc/hosts - 5 addresses
Nov 24 17:35:09 dnsmasq[245]: read /etc/hosts.dnsmasq - 0 addresses
Nov 24 17:35:09...

WAN disconnect