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AT8904M Introduction

Page 1 - 7 AT8904M User Guide

Ethernet

Broadcom 5650x/5630x

GbE Switch

• 24 10/100/1000 Mbps Ethernet ports

• Fifth generation of StrataSwitch and StrataXGS product line

• 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) Content Aware 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

Class of Service (CoS) per queue per port

• Standard compliant 802.1ad provider bridging

• IEEE 1149.1 (JTAG) boundary scan

Broadcom BCM 56800

• 20 10-GbE/1-GbE ports

• Based on StrataXGS architecture

• 200-Gbps switching capacity at line rate

• Support for eight classes of service (CoS) per port

• Port trunking and remote mirroring support

• Advanced packet flow control

• Head of line blocking prevention

• Full-duplex flow control (802.3x)

• Supports IEEE 802.1p, TOS/DiffServ, rate limiting, policing, priority tagging, and

remapping

• Extended security and ACL filtering

• Full IPv6 routing support

• IEEE 1149.1 (JATAG) boundary scan

Table 1-2: AT8904M Main Specifications (Continued)

AT8904M SPECIFICATIONS

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