Cisco WS-F6700-CFC Daughter Board
The Cisco WS-F6700-CFC Daughter Board is a specialized Centralized Forwarding Card (CFC) designed for Cisco Catalyst 6500 series WS-X67xx line cards. It enables centralized packet forwarding, where forwarding decisions are processed by the switch’s Supervisor Engine (PFC) instead of locally on the line card.
This daughter board is considered a base requirement for 67xx line cards, providing the necessary interface for communication between the line card and the central forwarding engine.
Equipped with onboard memory and ASICs, the WS-F6700-CFC ensures stable and efficient switching performance in enterprise networking environments.
Key Specifications
| Feature | Details |
|---|
| Product Name | Cisco WS-F6700-CFC Daughter Board |
| Type | Centralized Forwarding Card (CFC) |
| Form Factor | Plug-in daughter board |
| Forwarding Mode | Centralized (via Supervisor Engine) |
| Memory | Up to 256 MB onboard |
| Forwarding Rate | Up to 30 Mpps |
| Compatibility | Cisco WS-X67xx Line Cards |
| Installation | Mounted on Ethernet module |
| Application | Layer 2/Layer 3 switching support |
Performance & Functionality
The WS-F6700-CFC provides centralized forwarding functionality:
- Uses ASICs to prepare packet headers and send them to the supervisor engine
- Supports up to 30 million packets per second (Mpps) forwarding rate
- Enables consistent switching performance across all ports
- Works as a bus interface between line card and central forwarding engine
Unlike DFC (Distributed Forwarding Cards), the CFC does not perform local forwarding but relies entirely on the central processor.
Applications & Use Cases
- Enterprise campus networks
- Core and distribution switching layers
- Cisco Catalyst 6500 infrastructure
- Data center networking environments
- Network upgrades and maintenance
Why Choose Cisco WS-F6700-CFC?
- Genuine Cisco Catalyst 6500 component
- Provides stable centralized forwarding architecture
- Cost-effective compared to distributed forwarding options
- Ensures compatibility with WS-X67xx line cards
- Ideal for enterprise and large-scale networks
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