98EX115

Switching Solutions Prestera™-EX110/EX115 48 FE + 4 GbE Packet Processor 98EX110/98EX115 The Marvell¨ Presteraª-EX family of packet processors delivers multi-layer enterprise switching with exceptional price/performance ratios and industry-leading features. The Prestera-EX110/EX115 integrates 48 Fast Ethernet (FE) ports, 4 Gigabit Ethernet (GbE) ports and a high-performance uplink bus for uncompromising non-blocking performance and system scalability. It is a highly integrated system-on-a-chip (SoC) that supports full-wire-speed L2 bridging, L3 routing and L2-L4 advanced trafÞc classiÞcation, Þltering and prioritization. The PresteraEX110/EX115 48 FE + 4 GbE packet processor provides the ideal solution for rapid development of high-port density FE standalone, stackable and chassis switching systems. To Prestera-FX Fabric Processor or Other Prestera Packet Processor High-Performance Uplink Bus PRODUCT OVERVIEW Uplink Interface PCI DDR-SDRAM I/F Host I/F Packet Buffer I/F Tx Queue Mem Enqueue Egress Control Pipe Transmit Queues MAC Table VLAN Routing & Flows IP Route I/F DDR-SRAM I/F (98EX115 Only) Ingress Control Pipe Buffer Manager 48 FE + 4 GbE MAC DSSMII Fig 1. Prestera Packet Processor (98EX110/98EX115) Block Diagram FEATURES ¥ Forty-eight 10/100 Mbps Ethernet ports with DDR-SSMII interface and four 10/100/1000 Mbps Ethernet ports with RGMII interface ¥ High-performance uplink bus ¥ Wire-speed Layer 2 switching capabilities Ð 16K Media Access Controller (MAC) a...