Checkup 24/7 - Server Monitoring Service

F.A.Q.

Question: My failure log shows "No Route to Host", what does this error mean?

Answer: This error means that the TCP packets have no route (path) between our monitoring location and your server or web site. There are many intermediate networks through which TCP packets pass before they reach the destination server. You can see these intermediate hosts/networks when you run a 'traceroute'. If one of the intermediate networks is unavailable, your TCP packets may be lost and you get a 'No route to host' error in your error log. This does not necessarily man your web site or server was down but rather that our system was not able to reach your web site or server due to this network problem.

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