Modern networks are huge
Your network is growing rapidly. Each week a new agency, a new store, a partner to connect … The uses of the network increase just as much. Today all your activity depends on the good functioning of your network. Your users and customers don’t just want a reliable network, thet want a fast network !
“The network is so slow today!” “There are network issues!” Sounds familiar ? If you are an experienced network engineer, you probably hear such complaints every day. What to do next ? You jump on your favorite SSH client, launch pings from everywhere, fire hazardous ping option regarding packet lengths, ToS field and so on. Then, after several hours of tracerouting you find the faulty router which brings up one of his interface in half-duplex.
But the issue has already disappear, all seems ok.