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BCM53134

News bingge 2018-09-08 218 次浏览 个评论

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The BCM53134 is Broadcom's lowest power consumption integrated Ethernet switch for next-generation Home Gateway, SOHO/SMB and wireless router applications. Building on the industry-leading 28 nm RoboSwitch™ architecture, the BCM53134 allows customers to significantly reduce power consumption of existing designs, while delivering higher performance to meet the growing bandwidth demands in the home and SOHO/SMB environments.

 
The BCM53134 supports an advanced suit of features required by top tier service providers for home and SOHO/SMB gateways, especially in areas of VLAN bridging, QoS and Access-List classification. In the area of QoS, for example, the device supports six selectable classes of service per port, plus two additional time-sensitive classes. It supports Port based, IEEE 802.1P, TOS and DSCP-based CoS mapping. It supports SP, WRR and WDRR scheduling (and mix of the three) and it supports both ingress and egress rate control (a.k.a. metering and shaping).

Features

  • 4xGPHY integrated, 1xRGMII and 1xRGMII/SGMII+ (1G/2.5 Gb/s) interfaces

  • Cost-effective, Ultra low power (green power saving modes supported), smart-managed Gigabit switch with Integrated on-chip 8051

  • microcontroller for

  • Advanced bridging with

  • 4K MAC Table (also-known- as FDB, ARL or Learning tables)

  • 802.1q vlan bridging

  • Port based Vlan filtering

  • 802.1ad (QinQ)

  • Up to 8 spanning trees

  • 128 multicast groups

  • Advanced QoS features with

  • 8 queues per port (2 dedicated for time sensitive applications)

  • IEEE 802.1p, MAC Port, TOS, and DiffServ Class-Of- Service mapping

  • SP, WRR, WDRR scheduling and combinations of the three

  • RED/WRED and tail-drop congestion avoidance mechanisms

  • Rate control protecting against traffic flooding of unknown unicasts/broadcasts/

  • Advanced Compact Field Processor (CFP)

  • 128 CFP rules

  • L1 to L4 filtering (physical ports to TCP/UDP ports)

  • Advanced Two-Rate Three Color Metering (compliant with RFC2698, RFC 4115 and MEF 10.2)

  • Broadsync™ HD for IEEE 802.1AS support

  • Two dedicated queues for time sensitive traffic

  • Time stamping ingress and egress CPU generated frames

  • Time slot transmission received for Broadsync traffic.