Category Archives: 1.4 OSPF (v2 and v3)

1.4.e i Metrics I already covered OSPF metrics in the previous post, so I’ll skip it here. I may come back and move things around later to make it easier to find stuff. 1.4.e ii LSA throttling, SPF tuning, fast hello LSA Throttling (OSPFv2) https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_ospf/configuration/xe-16/iro-xe-16-book/iro-lsa-throt.html LSA throttling does two things. Firstly, it’s gets us awayContinue reading “1.4.e Optimization, convergence and scalability (OSPF)”

1.4.a Adjacencies A quick review of everything we need to remember for adjacencies to form: Unlike EIGRP, the hello timer and dead timer in OSPF must match. Remember the dead timer is 4x the hello timer, not the typical 3x. We’ll probably be tasked with tweaking these in the lab. interface gig 0/0 ip ospfContinue reading “1.4 OSPF (v2 and v3)”