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Overview
Specs
Part Number and Manufacturer | Cisco WS-X6816-10G-2T |
Port Count | 16 Gigabit Ethernet |
Optical Interface | X2 |
Connection to Switch Fabric | 40 Gigabits per second |
Oversubscription Ratio | 4 to 1 |
Forwarding Processor | Integrated with DFC4 for Enhanced Forwarding |
Forwarding Table Capacity | 256,000 Entries |
Queue Management | Mapping based on Class of Service and DSCP |
Packet Scheduling | Variable by mode: DWRR, WRED (Oversubscription), DWRR, WRED, SRR (Performance) |
Memory per Port Group | 90 MB (Oversubscription), 256 MB (Performance) |
Support for Jumbo Frames | Up to 9216 Bytes |
Max Ports in a Chassis | 176 |
Max Ports in a VSS Configuration | 352 |
Compatible Supervisor Engines | For Catalyst 6500: Supervisor Engine 2T, 2TXL |
Chassis Compatibility | Cisco Catalyst 6500 E-Series |
Built-in Memory | 1 GB |
Dimensions (H x W x D) | 1.2 x 14.4 x 16 inches |
Unit Weight | 13.6 pounds |
Operational Temperature Range | 32°F to 131°F |
Temperature Range for Storage | -40°F to 167°F |
Humidity Tolerance (Non-Condensing) | 10% to 90% |
Maximum Operating Elevation | -500 to 10,000 feet |
Power Consumption | 488.5 Watts |
Diagnostic Indicators | Status and Link Activity |
WS-X6816-10G-2T
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Product Description
The WS-X6816-10G-2T is a Cisco networking module featuring 16 GbE ports with X2 optics, designed for high-capacity networking, supporting a switch fabric connection of 40 Gbps and an oversubscription ratio of 4:1. It is equipped with a DFC4 forwarding engine, enabling 256K forwarding entries, and offers advanced queuing mechanisms including Class of Service (CoS) and Differentiated Services Code Point (DSCP) based queue mapping. This module supports a range of supervisor engines, is compatible with any Cisco Catalyst 6500 E-Series Chassis, and provides flexible memory options with 1 GB onboard memory, ensuring efficient data management and networking performance.Key Feature for the WSX681610G2T
- What is the number of Gigabit Ethernet (GbE) ports available?
- This device features 16 GbE ports.
- Which optics are supported by the switch?
- It supports X2 optics.
- How does the switch fabric connection rate compare to the number of ports?
- The switch fabric connection is 40 Gbps, designed to accommodate the data throughput demands of 16 GbE ports with a 4:1 oversubscription ratio.
- Describe the forwarding engine technology used.
- Equipped with DFC4, the device utilizes Distributed Forwarding for efficient packet processing.
- What is the total number of forwarding entries supported?
- It supports up to 256K forwarding entries.
- Can you explain the queuing mechanism utilized by this device?
- The device employs Class of Service (CoS) and Differentiated Services Code Point (DSCP) based queue mapping for traffic prioritization.
- What are the available scheduler options?
- Scheduler options include DWRR and WRED in Oversubscription Mode, and DWRR, WRED, and SRR at Egress in Performance Mode.
- How do port buffers vary between modes?
- In Oversubscription Mode, each port group has 90 MB, and in Performance Mode, each port is allocated 256 MB.
- What is the maximum jumbo frame size supported?
- Supports jumbo frames up to 9216 bytes.
- Which supervisor engines are compatible with this hardware?
- Compatible with Catalyst 6500 Supervisor Engine 2T and 2TXL.
Product Review
The Cisco WS-X6816-10G-2T module, designed for the Catalyst 6500 E-Series chassis, supports up to 16 10GbE ports with X2 optics, providing high-density connectivity options for enterprise networks. It boasts a forwarding engine with DFC4, enhancing distributed forwarding capabilities and supporting up to 256K forwarding entries, ensuring efficient traffic management. However, its 4:1 oversubscription rate may limit performance under high-demand scenarios, and the module's power requirement of 488.5W necessitates careful planning in power-constrained deployments.
Overview
Specifications
Part Number and Manufacturer | Cisco WS-X6816-10G-2T |
Port Count | 16 Gigabit Ethernet |
Optical Interface | X2 |
Connection to Switch Fabric | 40 Gigabits per second |
Oversubscription Ratio | 4 to 1 |
Forwarding Processor | Integrated with DFC4 for Enhanced Forwarding |
Forwarding Table Capacity | 256,000 Entries |
Queue Management | Mapping based on Class of Service and DSCP |
Packet Scheduling | Variable by mode: DWRR, WRED (Oversubscription), DWRR, WRED, SRR (Performance) |
Memory per Port Group | 90 MB (Oversubscription), 256 MB (Performance) |
Support for Jumbo Frames | Up to 9216 Bytes |
Max Ports in a Chassis | 176 |
Max Ports in a VSS Configuration | 352 |
Compatible Supervisor Engines | For Catalyst 6500: Supervisor Engine 2T, 2TXL |
Chassis Compatibility | Cisco Catalyst 6500 E-Series |
Built-in Memory | 1 GB |
Dimensions (H x W x D) | 1.2 x 14.4 x 16 inches |
Unit Weight | 13.6 pounds |
Operational Temperature Range | 32°F to 131°F |
Temperature Range for Storage | -40°F to 167°F |
Humidity Tolerance (Non-Condensing) | 10% to 90% |
Maximum Operating Elevation | -500 to 10,000 feet |
Power Consumption | 488.5 Watts |
Diagnostic Indicators | Status and Link Activity |