Cisco N7K-C7009 Manual do Utilizador descarregar pdf (Página 68)

Presentation_ID

Cisco Public

BRKARC-3470 Cisco Public

Module 1

Fabric Module 1

Fabric ASIC

Fabric Module 2

Fabric ASIC

Fabric Module 3

Fabric ASIC

Supervisor Engine

Central Arbiter

Fabric 2 ASIC

10G / 40G / 100G MAC / LinkSec

VOQs

Replication

Engine

Replication

Engine

VOQs

e1/1

Layer 2

Engine

Layer 3

Engine

Forwarding

Engine

Module 2

Fabric 2 ASIC

10G / 40G / 100G MAC / LinkSec

VOQs

Replication

Engine

Replication

Engine

VOQs

e2/2

Layer 2

Engine

Layer 3

Engine

Forwarding

Engine

M2 L3 Packet Flow

HDR

= Packet Headers

DATA

= Packet Data = Internal Signalling

CTRL

 Receive

packet

from wire

 LinkSec decryption

 Ingress port QoS

 Submit packet

headers for

lookup

 L2 ingress and

egress SMAC/

DMAC lookups

 L3 FIB/ADJ lookup

 Ingress and egress

ACL/QoS/NetFlow

lookups

 VOQ arbitration

and queuing

 Round-robin

transmit to fabric

 Receive from

fabric

 Return buffer

credit

 Return

credit

to pool

 Transmit

packet on

wire

 Return result

 Credit grant

for fabric

access

 Egress

port QoS

 LinkSec

encryption

 Static or Hash-based

uplink selection

 Hash-based

uplink selection

 Round-robin

transmit to VOQ

 Static RE

downlink

selection

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