Features
• Eight Gigabit Ports with GMII and PCS interface
   - Gigabit Port can also support 100/10 Mbps MII interface
• High Performance Layer 2 Packet Forwarding
   (23.808M packets per second) and Filtering at Full-Wire Speed
• Maximum throughput is 8 Gbps non-blocking
• Centralized shared-memory architecture
• Consists of two Memory Domains at 133 MHz
   - Frame Buffer Domain: Two banks of ZBT-SRAM with 2M/4MB total
   - Switch Database Domain with 256K/512K SRAM
• Up to 64K MAC addresses to provide large node aggregation in wiring closet switches

Traffic Classification
• Classify traffic into 8 transmission priorities per port
• Supports Delay bounded, Strict Priority and WFQ
• Provides 2 level dropping precedence with WRED mechanism
   - User controlled thresholds for WRED
• Classification based on layer 2, 3 markings
   - VLAN Priority field in VLAN tagged frame
   - DS/TOS field in IP packet
• The precedence of above two classifications can be programmable