Pass4sure 400-101 CCIE R&S Written Exam

M2 I/O I/O QoS Pac Packetket-Flow Flow (10G (10G)) 1 CoS to Queue-Mapping >Policy Type “queuing” (Scheduling, Buffering)

3 >Policy Type “qos” (Mutation, Classification, Marking, Policing)

5

8

Credit Grant for Fabric Access

Return Credit to Pool

 Arbiter 

9 CoS to Queue-Mapping Queue-Mapping >Policy Type “queuing” (Scheduling, Buffering)

Forwarding Engine

data

DSCP [24]

L3

Ingress Module

CoS Co S [2 [2]]

L2

4 VoQ gets assigned assigned based on Dest Dest + CoS val value ue

1 2 3 4 5 6 7 88

Crossbar  Fabric

Egress Module

L3

6 Traffic gets forwarded over Fabric

1 2 3 4 5 6 7 88 1 2 33 4

VOQ

2

1p3q1t

Default CoS-to-Queue map: CoS [2] to Default-Q Default-Q (8)

Ingress VoQ-ASIC

CoS Co S [2 [2]]

Traffic gets Received on Egress VoQ

8q2t

Ingress port-ASIC

DSCP [24]

L2

7

Ingress

data

Egress

1p7q4t

11 Egress

FIFO

Egress VoQ-ASIC

10

Egress port-ASIC

Default CoS-to-Queue map: