[c-nsp] is-is question

sthaug at nethelp.no sthaug at nethelp.no
Wed May 13 15:50:10 EDT 2009

> Because of a recent change of the organizational structure of the company  
> I'm employed by I was given an order to migrate all the current routing  
> infrastructure (a couple of c7604, c7201 and a dozen of c4924) from OSPF  
> to is-is. I've never worked with is-is before and after a bit of studying  
> I feel comfortable enough with the concept and a possible migration  
> strategy. The only question I have so far is what is-is level should I  
> prefer? With OSPF all devices reside in Area 0. Naturally the closest  
> match from is-is world would be to configure only one level-1 area.

No, absolutely not. One level-2 area is what you want.

Steinar Haug, Nethelp consulting, sthaug at nethelp.no

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