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BCM5646

Description
STRATASWITCH II BCM5646 INTEGRATED MULTI-LAYER SWITCH
CategoryThe embedded processor and controller    Microcontrollers and processors   
File Size95KB,2 Pages
ManufacturerBroadcom
Download Datasheet Parametric Compare View All

BCM5646 Overview

STRATASWITCH II BCM5646 INTEGRATED MULTI-LAYER SWITCH

BCM5646 Parametric

Parameter NameAttribute value
MakerBroadcom
package instruction,
Reach Compliance Codecompli
Base Number Matches1
BCM5646
®
STRATASWITCH II™ BCM5646 INTEGRATED MULTI-LAYER SWITCH
FEATURES
24 10/100 Mb and 2 10/100/1000 Mb Ethernet ports
High-speed 2.5-Gbps TurboGig
TM
stacking link
8.9 Mpps (line rate) switching
1-4 Classes of Service (COS); map to 802.1p priority
IGMP snooping
Integrated (8k) L2 table with auto learning
Integrated (2k) L3 table
Integrated (256 KB) data packet memory
64- or 128-bit-wide SDRAM support
Spanning Tree support per VLAN
DiffServ compliant
Stacking architecture compatible with StrataSwitch I
TM
IEEE 802.1Q.D support
Fast Filter Processor (FFP)
-
Examines up to the 80th byte of a packet
-
Supports TOS and DiffServ field modification
-
Bandwith regulation and monitoring per network flow
-
Network data flow tracking granular to 1 Mbps
SUMMARY OF BENEFITS
2.5-Gbps TurboGig
TM
stacking link defines the next generation
of performance for 48-port switching devices
Optimized for 48FE+2GE and 24+2GE switches
New service offerings for ISPs
-
Pay for bandwidth consumption
-
Voice over IP
-
Police over-consumption of network resources
-
Line rate switching on all ports
Greater insight to network resource utilization through the
advanced FFP features
More efficient deployment of existing network resources
through insight provided by StrataSwitch II
TM
feature set
Line rate switching on all ports for:
-
Layer 2 switching
-
All FFP actions — steering, forwarding, reclassifying
Low device power, 3W (<120 mW/ FE port), enables low-cost
power supplies
High level of integration minimizes PCB layer count and
routing issues
Flexible (128- or 64-bit) SDRAM interface supports low system
cost of memory
BCM5646 Application Diagram
2Mx32
SDRAM
2Mx32
SDRAM
2Mx32
SDRAM
2Mx32
SDRAM
PCI
Bus
TurboGig
TM
StrataSwitch II
TM
BCM5646
StrataSwitch II
TM
BCM5646
8
8
8
1G
1G
8
8
8
BCM5238
BCM5238
BCM5238
BCM5421
BCM5421
BCM5238
BCM5238
BCM5238

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Description STRATASWITCH II BCM5646 INTEGRATED MULTI-LAYER SWITCH STRATASWITCH II BCM5646 INTEGRATED MULTI-LAYER SWITCH
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