
274 Chapter 10: MPLS Traffic Engineering
Frequently Asked Questions
Q — What is the tie-breaking mechanism to determine the path of a TE tunnel if two
multiple paths to the tunnel destination exist in the routing table?
A — If multiple paths are available to the tunnel destination, the tunnel path is chosen
based on the following criteria, in the order in which they are listed here:
• Metric—The lowest metric (cost) path always wins.
• Bandwidth—The path with the most available bandwidth.
• Hops—The path with the least number of hops.
• First path—The first path it finds.
Q — What is the difference between a TE trunk, a TE tunnel, and a TE path?
A — A ...