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BCM53134

新闻 bingge 2018-09-08 1180 次浏览
0

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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.


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