Often times troubleshooting issues can be difficult for many reasons that are outside of our control. There are a lot of tools for troubleshooting out there available but many have limitations. With a little hacking, you can use some basic tools in a more advanced way. Network layer troubleshooting at its early phases, pings, traceroutes, mtr, etc, are not useful at times because backbone internet providers often limit ICMP traffic throughput to avoid malicious packet play. Here are some of the cool tricks/command line hacks I have picked up so far in my career as a network operations center analyst that I find useful for various scenarios.