WAN Troubleshooting
Troubleshooting WANs can be tough at times because you don’t control and own the physical lines. You definitely do receive the trouble tickets and stressful emails, but you’re relying on someone else to do their job, and you have limited visibility in a lot of areas. However, that doesn’t mean you’re powerless, but it does mean that you’ve got to narrow the problem down to make sure you’re working on the correct issue.
Loss of Internet Connectivity
The most common trouble ticket you’ll receive is someone complaining about not being able to connect to the Internet. This issue can be caused by the WAN link dropping the CSU/DSU or internal wiring, but most of the time, it’s due to an ISP issue. This doesn’t mean you don’t need to check your local physical WAN connections, though. A better approach is to double-check all your power to all devices, including the smart jack, and run a loopback test from...
