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Choosing between ISIS and OSPF

prakashcsco
Level 1
Level 1

Dear folks,

 

what are the choosing criteria between ISIS and OSPF in carrier networks.

what are pros and cons of ISIS when compared to OSPF

 

and Finally i am trying to study ISIS which Material do u Prefer...

 

 

Thanks in Advance

2 Replies 2

Hello.

ISIS is simpler than OSPF (less options and less points of failure) in terms of design and support.

Vinit Jain
Cisco Employee
Cisco Employee

Other benefit with ISIS is a lot a new enhancements can be made easily by creating a new TLV and integrating it. For ISIS, there are couple of good Cisco Press books:

IP Routing on Cisco IOS, IOS XE, and IOS XR: An Essential Guide to Understanding and Implementing IP Routing Protocols

http://www.ciscopress.com/articles/article.asp?p=26850

Hope this helps.

Vinit

Thanks
--Vinit