- IEEE 802.1q VLAN Support for Up to 16 Groups (Full Range of VLAN IDs) - VLAN ID Tag/Untag Options, Per Port Basis - IEEE 802.1p/q Tag Insertion or Removal on a Per Port Basis (Egress) - Programmable Rate Limiting at the Ingress and Egress on a Per Port Basis - Broadcast Storm Protection with Percent Control (Global and Per Port Basis) - IEEE 802.1d Rapid Spanning Tree Protocol Support - Tail Tag Mode (1 byte Added before FCS) Support at Port 3 to Inform the Processor whICh Ingress Port Receives the Packet and its Priority - Bypass Feature that Automatically Sustains the Switch Function between Port 1 and Port 2 when CPU (Port 3 Interface) Goes to the Sleep Mode - Self-Address Filtering - Individual MAC Address for Port 1 and Port 2 - Supports RMII Interface and 50 MHz Reference Clock Output - IGMP Snooping (IPv4) Support for Multicast Packet Filtering - IPv4/IPv6 QoS Support - MAC Filtering Function to Forward Unknown Unicast Packets to Specified Port ? Comprehensive Configuration Register Access - Serial Management Interface (SMI) to All Internal Registers - MII Management (MIIM) Interface to PHY Registers - High Speed SPI and I2C Interface to All Internal Registers - I/O Pins Strapping and EEPROM to Program Selective Registers in Unmanaged Switch