Cisco ASR 9006 Manuel d'utilisateur télécharger pdf (Page 29)

Presentation_ID

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

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Cisco ASR 9006 Manuel d'utilisateur Page 29