igp – Network Engineer Info

Date:05/25/2020Posted By:eperkCategory:CCNATag:ccna, ccnp, cisco, cisco ios, igp, network, ospf, routing, tech blog

NEI Post 008 – OSPFv2 Neighbors

I don’t know if you’re like me, but I seem to always mix up the neighbor relationship requirements of OSPF and EIGRP if I haven’t been recently studying the topic. I’d like to do a quick review so that we both have a new frame of reference and something we can quickly come back to…

Date:05/28/2017Posted By:eperkCategory:CCNATag:ccna, ccnp, cisco, igp, lsd, ospf, route, routing protocol, spf

NEI Post 007 – Reading the OSPF Link State Database 101

Your perception of how a routing protocol should operate may be heavily influenced by the first protocol you support in a production environment. For example I was first exposed to BGP when I settled into my entry level NOC position some years ago. As a result I referred to the communication of prefix and NLRI…