Category ✅

Outbound path is local-pref, weight, then AS-path, then MED. MED does not choose your exit unless those are equal. Techclick CLI lab: symptoms, commands, traps, and proof.

Type-5 only exists if the ASBR actually redistributes and the area is not a stub/NSSA without translation. Techclick CLI lab: symptoms, commands, traps, and proof.

Mutual redistribution without tags or filters loops. Tag on the way out, deny tagged on the way back. Techclick CLI lab: symptoms, commands, traps, and proof.

Stuck-in-Active means a query was not answered. Find the neighbor that did not reply and fix that link or stub it. Techclick CLI lab: symptoms, commands, traps, and proof.

Idle is no TCP. Check update-source, neighbor IP reachability, and whether you are sourcing from the wrong loopback. Techclick CLI lab: symptoms, commands, traps, and proof.

EXSTART that never finishes is almost always MTU. ip ospf mtu-ignore is a bandage; matching MTU is the fix. Techclick CLI lab: symptoms, commands, traps, and proof.

BGP, which stands for Border Gateway Protocol, is a standardized exterior gateway protocol used in computer networking and the internet to exchange routing and reachability information between autonomous systems (ASes). Autonomous systems are networks or collections of networks that are administered by a single organization and operate under a common routing policy. BGP plays a crucial role in determining the best path for data packets to traverse the internet. One of the key