A common approach for TAC engineers and customers working on a tough case is to just “throw hardware at it.” Sometimes this can be laziness: why troubleshoot a complex problem when you can send an RMA, swap out a line card, and hope it works? Other times it’s a legitimate step in a complex process […]
Tag: isis
IS-IS Levels and Adjacencies
In this post, we’ll be looking at IS-IS inter-area concepts, and hopefully clearing up some of the confusion ISIS areas create in the minds of engineers who are used to OSPF. ISIS handles areas quite differently from OSPF, and if you think about ISIS areas in OSPF terms you are likely to be confused by […]