bcm56520 Broadcom Corp., bcm56520 Datasheet
bcm56520
Manufacturer Part Number
bcm56520
Description
108 Gbps Integrated Multilayer Ethernet Switch
Manufacturer
Broadcom Corp.
Datasheet
1.BCM56520.pdf
(2 pages)
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108 GBPS INTEGRATED MULTILAYER ETHERNET SWITCH
Seventh generation of Broadcom’s switching and routing
technology
Industry’s first unified wireless/wireline switch, supporting
CAPWAP tunneling and multiple mobility models
Non-blocking architecture, line rate for all packet sizes
Optimized for Metro applications; Multiprotocol Label
Switching (MPLS), enhanced Q-in-Q, MAC-in-MAC, and IP
tunneling
Carrier grade with robust memory protection schemes
Enhanced on-chip packet buffer, optimized for burst
absorption and multicast at low latency
Flow control: Link pause, per Class of Service (CoS) priority,
ServiceAwareFlow flow control mechanisms
Comprehensive support for layer-one clock recovery (G.8261)
and packet-based timing (1588 and 802.1AS)
PCI host processor interconnect
F E A T U R E S
®
Unified Wireless/Wireline Switching
XAUI™
Synchronous Ethernet and 1588
Multistage Classifier
BCM56520 Block Diagram
XAUI
10/100/1000 or 10-GbE MACs
4 x 10 GbE or 4 x HiGig™
24 x GbE
BCM56520
with VRF and RPF
Dynamic Memory
IPv6/v4 Routing
Management
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PBB (802.1ah), and PBT (802.1ay)
Brief
XAUI
Highly integrated, purpose-built solution for:
Provides a truly integrated wireless and wireline switching
solution, enabling cost-effective unified switching in the
wiring closet
Comprehensive, flexible Metro protocol interoperability via
virtual ports
Hardware-based Ethernet Operations, Administration &
Maintenance (OAM) support for guaranteed, full-standard
performance; completely alleviates software support
Dynamic memory technology delivers optimum usage of
packet buffer resources
Advanced congestion management for lossless packet delivery
Sophisticated per-port or per-flow user authentication
scheme
Leverages Broadcom’s unified API for software reuse and
quick time-to-market
Provider QiQ, MPLS/VPLS,
- Enterprise wiring closet, fixed stackable, and stand-alone
- Metro Access/Edge fixed applications
S U M M A R Y O F B E N E F I T S
configurations
Ethernet OAM
L2 Switching
XAUI
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bcm56520 Summary of contents
Page 1
... Advanced congestion management for lossless packet delivery • Sophisticated per-port or per-flow user authentication scheme • Leverages Broadcom’s unified API for software reuse and quick time-to-market BCM56520 Block Diagram GbE HiGig™ XAUI™ XAUI XAUI Provider QiQ, MPLS/VPLS, PBB (802.1ah), and PBT (802.1ay) ...
Page 2
... Enterprise wiring closet as well as Metro fixed access and edge networks. The BCM56520 incorporates ports of GbE and four ports of HiGig2™. The four ports of HiGig2 can operate as standard IEEE 802.3ae XAUI™ ports running the HiGig2 protocol. Using the HiGig2 protocol, the BCM56520 can interconnect with other Broadcom devices for scalable, high-performance fixed, and modular systems ...