November 2006
Beginner
672 pages
15h 30m
English
Content preview from MPLS Fundamentals
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Moving MPLS QoS from the PE to the CE Router
These DiffServ Tunneling models are popular for MPLS VPN networks. However, the PE routers have some work to do, including running BGP, labeling packets, running LDP, running routing protocols over the virtual routing/forwarding (VRF) interfaces to the customer CE routers, and so on. If the MPLS VPN network also does one of the DiffServ models, the PE must have some MQC configuration. To make matters worse, the DiffServ models are configurable per interface—hence, per customer connecting to the MPLS VPN network. This considerably increases the needed amount of QoS configuration on the PE. One solution is to move the MPLS QoS to the CE routers. That means at a minimum that the CE routers will be the ...
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