Connectivity Guide

When VLT backup link is enabled, the secondary VLT peer 2 identies the node liveliness through the backup link. If the primary is up, the
secondary peer brings down the VLT LAG ports. Now the trac from Host1 reaches VLT peer 1 and then reaches the destination, that is
Host2. In this case the trac is unicasted instead of ooding, as shown in the following illustration.
Virtual Link Trunking
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