QoS Policy Propagation on BGP (QPPB)
QPPB, allows packets to be classified based on access lists, BGP community lists, and BGP autonomous system (AS) paths.
The supported classification policies include IP Precedence setting and the ability to tag the packet with a QoS class identifier internal to the router. After a packet has been classified, you can use other QoS features, such as committed access rate (CAR) and weighted random early detection (WRED).
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