bcm56303 ? 24-port gigabit ethernet multilayer switch with three 10-gigabit ethernet/higig+? ports 24-port gigabit ethernet multilayer switch ? 24 10/100/1000 mbps ethernet ports supporting both copper and fiber connections fifth generation of strataswitch ? and strataxgs ? product line high-density value gigabit eth ernet (gbe) product line, pin- compatible to feature gbe bcm56503 three 12-gbps or 10-gbps higig+? port uplink interfaces three 10-gbe switching ports, cx4 support line-rate switching for all packet sizes and conditions on-chip data packet memory and table memory ipv6 routing and tunneling advanced fast filter processor (ffp) contentaware? classification advanced security features in hardware port trunking and mirroring supported across stack advanced packet flow control: head-of-line blocking prevention back pressure support eight qos queues per port with hierarchical minimum/ maximum shaping per classes of service (cos) per queue per port standard compliant 802.1ad provider bridging highly-scalable architecture evolved from five generations of switching experience provides rich features, scalability, and future-proof solutions. optimized for secure switching and convergence of applications and services in the networks. system vendors can build scalable high-performance, high- port density gbe lan switches in several form factors. multiple cos and low latency enable the support of voip and other voice, video, and data applications. built-in high-speed serial interfaces with broadcom-unique serdes technology eases and accelerates system design, while reducing cost and conserving board space. broadcom switch api compatibility enables software reuse and faster time-to-market. small package and low power enables cost-effective and high- performance system design. features summary of benefits 10/100/1000 macs contentaware? ffp security l2/ipv4/ipv6 pci packet buffer mmu higig+/10 gbe higig+/10 gbe higig+/10 gbe 24 x gbe
overview ? phone: 949-450-8700 fax: 949-450-8710 e-mail: info@broadcom.com web: www.broadcom.com broadcom corporation 16215 alton parkway, p.o. box 57013 irvine, california 92619-7013 ? 2005 by broadcom corporation. all rights reserved. 56303-pb02-r 06/14/05 broadcom ? , the pulse logo, higig+? , connecting everything ? , strataswitch ? , strataxgs ? , and contentaware? , broadscale? , bladerunner? , and broadsafe? are trademarks of broadcom corporation and/or its subsidiaries in the united stat es and certain other countries. all other trademarks mentioned are the property of their respective owners. the bcm56303 is the fifth generation of the highly-integrated and cost- effective broadcom strataswitch and strataxgs product line in a single- chip solution with 24 gbe ports and three 10-gbe/higig+ uplink ports. the bcm56303 is a member of the value gbe product line, with a corresponding pin-compatible member in the feature gbe product line?bcm56503. the bcm56303 incorporates 24 gbe ports that can operate 10/100/1000 mbps. the uplink ports can operate in two modes: 10gbe switching mode higig+ uplink mode the integrated 10gbe switching ports are cx-4 compliant xaui interfaces. the higig+ uplink interface is used to connect to other strataxgs devices in a larger stacking system or to the bcm5675/ bcm5676 switch fabric via a backplane in a multi-slot redundant chassis system. with high-integration and high-port density, the bcm56303 family is ideal for enterprise applications in standalone, stackable, and chassis configurations. the bcm56303 configurations are applicable in the edge, aggregation, and core areas of the enterprise. the bcm56303 is also ideal for embedded switch applications like a blade server switch, atca chassis, ipdslam, 3g wireless base station, and others. the bcm56303 integrates sophisticated advanced l3 switching features for cost-effective highly-manageable enterprise networks. the bcm56303 performs ipv6 routing and transition services in hardware, allowing it managers to deploy l3 switches that are future-proof, highly manageable l3 networks, and enable cost-effective transition from ipv4 to ipv6. the contentaware classification feature of the strataswitch and strataxgs has been further enhanced in the bcm56303 with unmatched flexibility and programability. the contentaware engine could be used for applications such as policy-based routing, access control list, dynamic adaptation to changes in virus threats, and so on. the bcm56303 has built-in security functions for highly secure enterprise networks including broadsafe tm . utilizing hardware-based identity management and authentication coupled with key management software that directs and manages clients, broadsafe security provides exceptionally strong network security without impacting network performance. the bcm56303 integrates sophisticated metering, statistics, and traffic management features, optimizing the qos in the enterprise networks for voice, video, and data convergence. the bcm56303 also provides rate adjustable hardware based sflow implementation and flexible multiple session remote port mirroring functionality for efficient network management. the bcm56303 switch supports an i 2 c controller for communicating with external devices such as serial eeprom, flash prom memories, and parallel port devices, and also supports a serial interface for the mii management of physical layer devices. the bcm56303 switch interfaces to a host cpu via a 32-bit pci bus running at up to 66 mhz. bus ma stering and advanced dma is supported for efficient exchange of packet data between cpu memory and the bcm56303 switch. bcm 5836p bcm56303 5464r 5464r 5464r 5464r 5464r 5464r 5464r 5464r 5464r 5464r 5464r 5464r bcm56303 bcm 5836p bcm56303 5464r 5464r 5464r 5464r 5464r 5464r 5464r 5464r 5464r 5464r 5464r 5464r bcm56303 48 10/100/1000 + two 10-gbe standalone 48 10/100/1000 + two higig+ stackable
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