FEATURES
• 48 x 10/100 Mbits, 4 x 10/100/1000 Mbps Ethernet ports
• Integrated L2 table with auto learning/aging
• Integrated L3 table with longest prefix match
• Double 802.1Q (Q in Q) VLAN stacking
• MPLS Tunnel/VC packet labeling for L2 VPN
• Scalable to hundreds Fast/Gigabit Ethernet in a system
• 8 Classes of Service (COS) with WRED and WRR, DSCP/802.1p priority
• Spanning trees (802.1s and 802.1w)
• 32 link aggregation trunk groups; ECMP/WCMP; mirroring
• IPMC groups and hardware packet replication
• Flow control (802.3x) and HOL blocking prevention
• 64-bit DDR SDRAM with up to 32 MB of buffer memory
• ContentAwareTM network processing per port
    • Line-rate, multi-field packet classification
    • Support for 802.1p, TOS/DiffServ, rate limiting, policing, and priority/VLAN (single or double) tagging and remapping

SUMMARY OF BENEFITS
• High-density 10/100/1000 Mbps L2/L3 Ethernet switches
• New service offerings for ISPs
    - Metro Ethernet-L2 VLAN (Q-in-Q) and MPLS VPN
    - Voice over IP-guaranteed low latency prioritization
• Advanced traffic management-metering, shaping, and scheduling (SP, RR, WRR, WFQ), down to 64-kbps flows
• ContentAware classification, tagging, and remapping provides maximum security and flexibility
• Broadcom switch API compatability enables software reuse and faster time-to-market

TARGET APPLICATIONS
• Multi-tenant unit (MTU) Metro Ethernet VPN multi-layer switches
• Service Provider Metro Ethernet VPN Edge Switches