This blog is not directly tied to any topics related to CCIE studies, but it can be useful. It’s more of a general networking post. I had fun researching this information and decided it would be a nice thing to share with experts such as our readers.
In the Packet Pushers Podcast episode 89 (OSPF vs IS-IS Smackdown – Where You Can Watch Their Eyes Reload) published few months ago, I made few statements about border routers in both OSPF and IS-IS and their differences. This prompted some disagreement on the panel consisting of Ivan Pepelnjak of NIL, Petr Lapukhov of Microsoft, host Greg Ferro and myself. In this post, I’ll examine OSPF issues and follow-up with IS-IS in the next.
For the purpose of this testing, I will use the network of three routers connected in a “chain”. I will not change this network layout, only the configuration of the routing protocols, as required. Even though both IOS and Juniper configurations are completed in production ProctorLabs racks, I gave routers fictional names to avoid slight router numbering differences between our Cisco and Juniper racks.
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