MPLS Essentials: Implicit and explicit NULL

In one of the MPLS-related posts, I've described the role of implicit NULL in penultimate hop popping (PHP). To make the distinction between implicit and explicit NULL even clearer, I've prepared a short explanation with corresponding diagrams.

Posted by Ivan Pepelnjak on Wednesday, September 17, 2008

Labels:

0 comments:

Post a Comment

If you're using Internet Explorer, your first attempt to publish a comment will probably fail (a feature of Blogger). Don't worry, just press the Post Comment button again.

Subscribe to: Post Comments (Atom)
Ivan Pepelnjak, CCIE#1354, is the chief technology advisor for NIL Data Communications. He has been designing and implementing large-scale data communications networks as well as teaching and writing books about advanced technologies since 1990. See his full profile, contact him or visit his page on Facebook.