IS-IS without CLNS routing

From: Grant W. Patten (gpatten@xxxxxxxxxx)
Date: Sat Apr 21 2001 - 22:29:36 GMT-3


   
I was in a discussion with some colleagues about using IS-IS without
enabling CLNS routing. They pointed out that the chapters in the Caslow
and the Doyle books both list the first step for configuring IS-IS as being
turning on CLNS routing. However, I tested it out to be sure and it seems
you don't have to enable CLNS routing to get IS-IS to work correctly. This
makes sense, as CLNS packets (like LSA's) are only going across a single
data-link and do not need to be routed. It's not a big deal, but I'd like
to understand why both books seem to agree that it is necessary to turn
CLNS routing on. What am I missing?

-Grant
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