Cisco ASR 9006 Manual de usuario Pagina 29

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Presentation_ID
30
ASR 9000 (sub-)interface Level QoS Overview
High scale
Up to 3 Million queues per system (with E linecard)
Up to 2 Million policers per system (with E linecard
Highly flexible: 4 layer hierarchy queuing/scheduling support
Four layer scheduling hierarchy Port, Subscriber Group,
Subscriber, Class
Egress & Ingress, shaping and policing
Three strict priority scheduling with priority propagation
Flexible & granular classification, and marking
Full Layer 2, Full Layer 3/4 IPv4, IPv6
NP0
PHY
NP2
PHY
NP3
PHY
NP1
PHY
FIA
CPU
User configure (sub-)interface
level QoS via MQC CLIs
QoS function is done by special
Queuing HW chip within the NP
complex
Q
Q
Q
Q
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