I have tried pinging the Static IP address from our ISP from within the office when these access problems occur, and the ping fails when typically it succeeds.

Region : Canada Model : TL-WDR4300 Hardware Version : V1 Firmware Version : 3.13.23 Build 120810 Rel.44064n ISP : Bell Canada We have a WDR4300 router that works well about 98% of the time. We have a...