Part Number: WS-F6700-CFC The Cisco Catalyst 6500 Series Distributed Forwarding Card 3 (DFC3) is an optional daughter card for CEF720-based line cards such as WS-X6704-10GE, WS-X6724-SFP, WS-X6748-SFP, and WS-X6748-GE-TX. The DFC3 provides localized forwarding decisions for each line card and scales the aggregate system performance to reach up to 400 mpps. The new DFC3B offer enhancements to support Multiprotocol Label Switching (MPLS) and Access Control Entries (ACE) counters on the Cisco 6700 Series line cards. Product Type: Distributed Forwarding Card Application/Usage: Wide Area Network Interfaces/Ports: Not Applicable Interfaces/Ports Details: Not Applicable Package Contents: One Catalyst 6500 series DFC3B , One disposable grounding wrist strap , One bag of mounting screws , One bracket Compatibility: Catalyst 6500 series switch (Catalyst 6506, 6509, 6509-NEB, or 6513) or Cisco 7600 series router (Cisco 7606, 7609, or 7613) , Supervisor Engine 720 with MSFC3 running Cisco IOS software on the Supervisor Engine 720 and MSFC3 , Deployed in CEF720 line cards such as WS-X6704-10GE, WS-X6724-SFP, WS-X6748-SFP, and WS-X6748-GE-TX , Not supported on Cisco 6500 or 6800 series line cards