Thanks both!I have a spare Pi doing nothing, in fact I have 2, so can definitely use one of them for Smokeping.Will hook that up today. Appreciate it.In regards to the Gateway logs, its not a loss of connection to my Gateway (ISP's Modem/Router) its a loss to the wider world.The ISP did come back and say yes they are seeing packet loss every 30mins, so it is being worked on.
I have found Smokeping very good at providing graphs to strengthen the case with your ISP: https://oss.oetiker.ch/smokeping/index.en.htmlYou will need to run it on an internal server - a Raspberry Pi will do just fine.On a Debian based system run 'sudo apt-get install smokeping' to get started.Bart...
Do you have an install guide for RPi?