![Ticket#5 - OSPF Neighbor Stuck in INIT/2WAY – How to Diagnose and Resolve [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/07/nj-blog-post-Ticket-5.jpg)
Problem Summary An enterprise network reported intermittent OSPF adjacency issues between two routers in Area 0. Routing updates were not exchanged, leading to blackholing of traffic to remote branches. After multiple resets, the OSPF neighbor relationship remained stuck in INIT or 2WAY states. Ping between […]
![Ticket#14 - OSPF Routes Missing: Area Type Mismatch (Stub vs NSSA) Fixed [CCNP Enterprise]](https://networkjourney.com/wp-content/uploads/2025/07/Ticket14_OSPF-Routes-Missing-Area-Type-Mismatch-Stub-vs-NSSA-Fixed_networkjourney.png)
Problem Summary An enterprise network running OSPF faced missing routes in one part of the topology. The issue was traced to an OSPF area type mismatch — one router was configured as a Stub area, while its neighbor was configured as NSSA (Not-So-Stubby Area). This […]
![OSPFv3 Configuration – The IPv6 Way[ CCNP ENTERPRISE ]](https://networkjourney.com/wp-content/uploads/2025/06/OSPFv3-Configuration-–-The-IPv6-Way_networkjourney.png)
I still remember when I first explored OSPFv3 in a real-world enterprise setup. It was like learning OSPF all over again, but this time with an IPv6 twist. Many students ask me — “Sir, OSPF toh aata hai, but what’s the real difference in OSPFv3?” […]
