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WS-F6700-DFC3CXL
Catalyst 6500 Dist Fwd Card- 3CXL, for WS-X67xx
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WS-F6700-DFC3CXL is an advanced Fibre Channel card engineered for high-speed storage networking in modern data centers. Designed to support data rates of up to 16Gbps, this module features an SFP+ connector and a PCIe form factor that ensures reliable integration with enterprise-grade servers, routers, and switches.
WS-F6700-DFC3CXL is fully compatible with leading network infrastructures and supports critical protocols such as Fibre Channel and TCP/IP for seamless data transmission. Ideal for expanding data center capacity, upgrading server network interfaces, and connecting to high-speed networks, this card excels in environments that demand robust performance and low-latency connectivity.
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In a global e-commerce data center deploying a spine-and-leaf topology, the WS-F6700-DFC3CXL 3CXL distribution-forwarding card in Catalyst 6500 WS-X67xx slots offloads layer-2 and layer-3 forwarding at up to 3.2 Tbps. This real-world implementation delivers line-rate distribution to over 10,000 servers, cuts east-west latency by 50%, and simplifies maintenance through centralized forwarding tables—all while scaling seamlessly for peak traffic.
A Tier-1 service provider uses the WS-F6700-DFC3CXL in Catalyst 6500 WS-X67xx linecards to accelerate hardware-based MPLS label switching and VRF isolation. In production, this design supports over 5 million subscribers, 1,000 VRFs and 720 million routes with sub-millisecond forwarding. The result: carrier-grade throughput, linear scaling, simplified VRF management and consistent QoS across high-volume edge sites.
A Fortune 500 enterprise deploys the WS-F6700-DFC3CXL in its Catalyst 6500 WS-X67xx core to offload multicast video, advanced QoS and NSF/SSO failover. In a live environment supporting HD conferencing, the card delivers sub-second convergence, prioritizes video streams in hardware, and drives 40% better bandwidth utilization. The outcome is high-availability campus connectivity and seamless video collaboration at scale.
To get the detailed certification, please go to the Compliance Center.
 WS-F6700-DFC3CXL |  WS-X6816-10T-2T |  WS-X6148A-GE-TX |  SPA-4XOC48POS/RPR |  SPA-1XOC12-POS | |
|---|---|---|---|---|---|
| Product Type | Fibre Channel Card | Network Module | Network Module | Network Module / Network Card | Network Card |
| Module Type | Fibre Channel | Ethernet | Ethernet | WAN Module | Ethernet Module |
| Data Rate | 16Gbps | 1Gbps | 1Gbps | OC-48 (2.488 Gbps per port) | 1Gbps |
| Connector Type | SFP+ | RJ-45 | RJ-45 | LC | RJ-45 |
| Supported Protocols | Fibre Channel, TCP/IP | TCP/IP | TCP/IP | SONET/SDH | TCP/IP |
| Form Factor | PCIe | Modular | Modular | PCIe | PCIe |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | N/A | 3.3V | 3.3V |
| Compatibility | Cisco / Dell / HP | Cisco | Cisco Catalyst Switches | Cisco / Juniper / Arista / Dell / HP | POS Systems, Routers, Switches, Servers |
| Max Speed | 16Gbps | 1Gbps | 1Gbps | OC-48 (2.488 Gbps per port) | 1Gbps |
| Supported Features | Error Correction, Low Latency | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation / QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS |
| Power Consumption | 20W | N/A | 60W | 12W | N/A |
| Interface Ports | Fibre Channel, SFP+ | Ethernet | 48 x RJ-45 | Optical Fiber | Ethernet |
| Expansion Slots | PCIe | N/A | N/A | N/A | N/A |
| Product Name | WS-F6700-DFC3CXL | WS-X6816-10T-2T | WS-X6148A-GE-TX | SPA-4XOC48POS/RPR | SPA-1XOC12-POS |
| Height | 1.5 inches | N/A | N/A | 1.73 inches | N/A |
| Width | 3.0 inches | N/A | N/A | 3.44 inches | N/A |
| Depth | 7.5 inches | N/A | N/A | 0.75 inches | N/A |
| Weight | 1.2 lbs | N/A | N/A | 1.2 lbs | N/A |
The WS-F6700-DFC3CXL is a powerful data forwarding card. It boosts our network's speed and provides fast, reliable performance under heavy traffic conditions.
This module enhances our system's data forwarding capabilities. The WS-F6700-DFC3CXL offers excellent speed and stability, even in high-demand environments.
The WS-F6700-DFC3CXL delivers outstanding performance. It improves the processing speed of our network and ensures smooth traffic management.
The WS-F6700-DFC3CXL is ideal for handling high-volume traffic. It ensures fast data forwarding, making our network faster and more efficient.
The WS-F6700-DFC3CXL module has enhanced our network's performance significantly. It offers fast and reliable data forwarding, optimizing our system's speed.
The WS-F6700-DFC3CXL is a high-performance distributed forwarding card for Cisco Catalyst 6500 series switches that accelerates network traffic processing and offloads forwarding tasks from the supervisor engine.
The WS-F6700-DFC3CXL is compatible with all Cisco Catalyst 6500 and 6500-E chassis running Supervisor Engine 2T, 720, or 2T-based modules with appropriate IOS releases.
Key features include six 100-Gigabit 3CXL ports, up to 3.6 Tbps total forwarding capacity, hardware-based packet replication, and advanced QoS support.
The WS-F6700-DFC3CXL provides six 100-Gigabit Ethernet 3CXL ports for high-density, low-latency connectivity.