You’ve got OSPF running in one part of the network, EIGRP in another, and a handful of static routes thrown in for good measure. What do you do? You set up redistribution — the magical bridge between protocols. Everything works… until it doesn’t. Suddenly, your routes are flapping, loops appear, traffic drops, and someone says: … Read more
How Traceroute is actually work ? Traceroute Lies? Why You Shouldn’t Trust It Blindly During Troubleshooting You run a traceroute to figure out where your packet is getting stuck.You expect it to be your secret weapon — a perfect path map.But instead, it shows missing hops, timeouts, and inconsistent results. And you think: “Wait… is … Read more
Understanding Every Field Like a Pro Let’s be honest: You’ve typed show ip route more times than you can count. But do you fully understand everything it shows? Most of us glance at the route and think: “Oh yeah, it’s there. It’s working.” But the routing table is more than just a list of destinations … Read more
The story of how the Internet learned to route itself and how it still does today. Wait… BGP? Isn’t That Just for ISPs? If you’re a network engineer, you’ve probably heard the term BGP thrown around a lotsometimes with fear, sometimes with awe. Maybe you’ve even asked yourself: “Why does everyone say BGP is so … Read more