zartar911 Thu, 05/13/2010 - 10:54
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Hi Francisco,


The following link should help determine when you should use the "qos pre-classify" & the placement of the service-policy command.


  • Apply the policy to the tunnel interface without qos-preclassify when you want to classify packets based on the pre-tunnel header.

  • Apply the policy to the physical interface without qos-preclassify when you want to classify packets based on the post-tunnel header. In  addition, apply the policy to the physical interface when you want to  shape or police all traffic belonging to a tunnel, and the physical  interface supports several tunnels.

  • Apply the policy to a physical interface and enable qos-preclassify on a tunnel interface when you want to classify packets based on the  pre-tunnel header.


http://www.cisco.com/en/US/tech/tk543/tk545/technologies_tech_note09186a008017405e.shtml



Tim

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