OSPF Problem

From: Routing Freak <routingfreak_at_gmail.com>
Date: Tue, 5 Jul 2011 20:47:50 +0530

Hey mates,
I have a little confusion. What is the difference between Sham link and
Virtual Link?

I know that Virtual Link is to extend ur backbone
Sham link is used as a false link between two PE's . Is it extending ur
Area to other area and fool them that they r in the same area??

Because Sham link mainly used as a virtual cable which sends Intra area
LSA's ( which is the Type 1 LSA's) to other PE .

What does exactly the difference betwen Virtual links and Sham links

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Received on Tue Jul 05 2011 - 20:47:50 ART

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