I am unable to keep several types of long running connections open from my office LAN (ADSL) and I need to convince the service provider that there is a real problem. Standard pings and traceroutes do not indicate any issues, I need something more advanced.
Whenever I launch a long running MySQL query from my box (PHP or MySQL Workbench) over the ADSL line to a server on the Internet, the driver seems to disconnect. MySQL Workbench freezes and requires a force quit. PHP never returns any results and must be killed. The same query from my home works just fine, always.
Remote desktop connections over the ADSL line get dropped often and I need to reconnect 15 times a day. This does not happen from home. SSH connections also drop.
I am using a Mac but my colleague with Windows has the same problem. How can I diagnose and prove the problem?
Best Answer
Pings should show the issue if you craft the ping request well enough, and leave it running in the background pointing it at a log file, for example;
will ping google.com with a 1k packet and a 250ms timeout. Some hosts will not accept packets larger than 32/64 bytes, but the larger the packet the better ping will simulate actual usage, and give you dropped packets if that is what is occurring. Don't worry about the size of the reply.