Data Sheet
Cisco Catalyst 6500 Series/Cisco 7600 Series
Supervisor Engine 720-3BXL
The Cisco® Catalyst® 6500 Series/Cisco 7600 Series Supervisor Engine 720-3BXL (Sup 720-3BXL) is the third-generation supervisor engine for the Cisco Catalyst 6500 Series Switch and Cisco 7600 Series Router. It addresses the growing data-plane requirements of service provider and enterprise customers by delivering scalable, enhanced services such as hardware-accelerated IPv4, IPv6, and Multiprotocol Label Switching (MPLS). The Cisco Sup 720-3BXL integrates a high-capacity crossbar switching fabric that can deliver up to 40-Gbps capacity per slot for a total system capacity of 720 Gbps.
Product Overview
The Cisco Sup 720-3BXL (Figure 1) integrates a high-performance 720-Gbps switch fabric with a new routing and forwarding engine into a single module. The integrated switch fabric provides up to 40-Gbps full-duplex capacity per slot, allowing it to support third-generation high-performance, high-density Gigabit Ethernet and 10-Gigabit Ethernet interfaces as well as all existing LAN, WAN, and services modules, including the widely deployed FlexWAN and optical services modules to address a broad range of WAN edge aggregation deployments from DS-0 through OC-48/STM-16.
The Cisco Sup 720-3BXL builds on the proven Cisco Express Forwarding architecture by supporting centralized forwarding (Cisco Express Forwarding) and distributed forwarding (distributed Cisco Express Forwarding) to provide a highly scalable and cost-effective platform.
The Cisco Sup 720-3BXL delivers a modular, resilient, scalable, and secure Layer 2 or Layer 3 solution by:
- Enabling advanced IP services such as MPLS, IPv6, and quality of service (QoS)
- Supporting high-performance, third-generation Ethernet interfaces
- Delivering predictable and scalable system performance up to a sustained 400 Mpps using distributed forwarding cards (DFCs)
- Scaling hardware-capable Forwarding Information Base (FIB) table entries to 1 million routes
- Supporting all three generations of Ethernet line cards, optical services modules, FlexWAN, and services modules for investment protection
- Delivering up to 40-Gbps full-duplex capacity per slot
- Delivering 200-Mpps hardware-based IPv6 using DFCs
- Providing for 256,000 NetFlow entries
Extensive feature support such as QoS mechanisms, hardware-based generic-routing-encapsulation (GRE) tunneling, and access control lists (ACLs) enable customers to build high-performance, feature-rich networks capable of offering services such as MPLS VPNs, metropolitan (metro) aggregation, and various WAN edge services.
Figure 1
Cisco Sup 720-3BXL

Key Features and Benefits
Table 1 Features and Benefits
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Product Specifications
Table 2 Product Specifications
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| 1 Requires high-speed fan 2 Check software release for availability |
Ordering Information
Table 3 Ordering Information
Service and Support
Cisco Systems® offers a wide range of service support offerings for its service provider customers. Cisco has earned the highest customer satisfaction ratings in the industry by providing the world-class service and support necessary to deploy, operate, and optimize service provider networks.
Whether the goal is speed to market, maximizing network availability, or enhancing customer satisfaction and retention, Cisco is committed to the success of its service provider customers.
For More Information
For more information about Cisco service and support programs and benefits, go to:
http://www.cisco.com/public/Support_root.shtml
For more information about the Cisco Catalyst 6500 Series Switch and the Cisco 7600 Series Router visit Cisco at: