The Marvell 88E6021-A1-RCJ1C000 is an Ethernet Multiport Switch. The Marvell Link Street family of low power Fast Ethernet (FE) switches provides industry-leading functionality and price-performance ratio for the cost sensitive Small Office/Home Office (SOHO) gateway/switching market and enterprise desktop switching market. The Link Street 88E6021 device is a 3-port Quality of Service (QoS) switch integrating a high-performance switching fabric with 4 priority queues, a high-speed address look-up angine, 2 10/100 Ethernet PHY ports for either copper or fiber connections, one MII port, 3 independent Media Access Controllers (MACs), and Spanning Tree support. Other advanced features include 802.1p/IPv4/IPv6 traffic classification, 802.1Q VLAN and extensive RMON counters, The 88E6021 switch is an ideal product for gateway routers, IP phones, meia converters, and Multi-Tenant Unit (MTU) gateways.