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Overview
Specs
Part Number and Manufacturer | Cisco WS-X6816-10G-2TXL |
Port Count | 16 GbE |
Interface Type | X2 |
Switch Fabric Bandwidth | 40 Gigabits per second |
Ratio of Oversubscription | 4 to 1 |
Forwarding Processor | Includes DFC4XL for decentralized packet processing |
Routing Table Entries | Supports up to 1 Million entries |
Queueing Strategy | Mapping based on Class of Service (CoS) and Differentiated Services Code Point (DSCP) |
Packet Scheduling | Uses DWRR, WRED in Oversubscription Mode and DWRR, WRED, SRR in Performance Mode |
Memory per Port Group | 90 MB in Oversubscription Mode, 256 MB in Performance Mode |
Support for Jumbo Frames | Supports frames up to 9216 Bytes |
Max Ports per Chassis | 128 Ports |
Max Ports per VSS | 352 Ports |
Compatible Supervisor Engines | Catalyst 6500 Supervisor Engine 2T and 2TXL |
Compatible Chassis | Any Catalyst 6500 E-Series Chassis |
Internal Memory | 1GB |
Dimensions (H x W x D) | 1.2 x 14.4 x 16 inches |
Unit Weight | 13.6 pounds |
Operational Temperature Range | 0 °C to 55 °C |
Temperature Range for Storage | -40 °C to 75 °C |
Humidity Tolerance | 10% to 90% non-condensing |
Max Operating Altitude | -500 to 10,000 feet |
Power Consumption | 503.5 Watts |
Diagnostic LEDs | Status and Link activity |
WS-X6816-10G-2TXL
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Product Description
The WS-X6816-10G-2TXL Cisco module features 16 GbE ports with X2 optics, designed for high-density networking environments, supporting a switch fabric connection of 40 Gbps and an oversubscription ratio of 4:1. It incorporates a DFC4XL forwarding engine, enabling up to 1 million forwarding entries, and offers advanced queue mapping and scheduling capabilities, including CoS and DSCP-based queue mapping, and DWRR, WRED (in Oversubscription Mode), with additional SRR at Egress in Performance Mode. This module supports jumbo frames up to 9216 bytes, is compatible with Catalyst 6500 Supervisor Engine 2T and 2TXL, and is intended for use in any Cisco Catalyst 6500 E-Series Chassis, ensuring extensive scalability with a maximum port density of 128 ports per chassis and 352 ports per VSS.Key Feature for the WS-X6816-10G-2TXL
- What is the number of Gigabit Ethernet ports available on this network switch?
The switch has 16 GbE ports. - How does the switch handle forwarding?
The switch is equipped with a DFC4XL for distributed forwarding. - What type of optics does the device support?
The device supports X2 optics. - Can you detail the switch's oversubscription rate?
The oversubscription rate of the switch is 4:1. - What is the total switch fabric connection capacity?
The total switch fabric connection capacity is 40 Gbps. - How many forwarding entries does the switch support?
The switch supports 1 million forwarding entries. - What queuing mechanisms are used by this switch?
The switch uses Class of Service (CoS) and Differentiated Services Code Point (DSCP) based queue mapping. - What are the port buffer sizes in different modes?
In Oversubscription Mode, port buffers are 90 MB per port group, and in Performance Mode, they are 256 MB per port. - Does the switch support jumbo frames?
Yes, the switch supports jumbo frames up to 9216 bytes. - What are the power requirements for this switch?
The switch requires 503.5 W of power.
Product Review
The Cisco WS-X6816-10G-2TXL module delivers high-density 10GbE connectivity with 16 ports, optimized for scalable data center environments, supported by a 40 Gbps switch fabric connection and a forwarding engine equipped with DFC4XL for enhanced distributed forwarding, capable of supporting up to 1 million forwarding entries. However, its 4:1 oversubscription ratio may limit bandwidth availability under peak loads, potentially impacting performance in high-demand scenarios. Additionally, the module's comprehensive queuing mechanisms, including CoS and DSCP based queue mapping along with advanced scheduling options, ensure efficient traffic management, though its high power requirement of 503.5 W and operational temperature range necessitate a well-planned infrastructure for cooling and power supply.
Overview
Specifications
Part Number and Manufacturer | Cisco WS-X6816-10G-2TXL |
Port Count | 16 GbE |
Interface Type | X2 |
Switch Fabric Bandwidth | 40 Gigabits per second |
Ratio of Oversubscription | 4 to 1 |
Forwarding Processor | Includes DFC4XL for decentralized packet processing |
Routing Table Entries | Supports up to 1 Million entries |
Queueing Strategy | Mapping based on Class of Service (CoS) and Differentiated Services Code Point (DSCP) |
Packet Scheduling | Uses DWRR, WRED in Oversubscription Mode and DWRR, WRED, SRR in Performance Mode |
Memory per Port Group | 90 MB in Oversubscription Mode, 256 MB in Performance Mode |
Support for Jumbo Frames | Supports frames up to 9216 Bytes |
Max Ports per Chassis | 128 Ports |
Max Ports per VSS | 352 Ports |
Compatible Supervisor Engines | Catalyst 6500 Supervisor Engine 2T and 2TXL |
Compatible Chassis | Any Catalyst 6500 E-Series Chassis |
Internal Memory | 1GB |
Dimensions (H x W x D) | 1.2 x 14.4 x 16 inches |
Unit Weight | 13.6 pounds |
Operational Temperature Range | 0 °C to 55 °C |
Temperature Range for Storage | -40 °C to 75 °C |
Humidity Tolerance | 10% to 90% non-condensing |
Max Operating Altitude | -500 to 10,000 feet |
Power Consumption | 503.5 Watts |
Diagnostic LEDs | Status and Link activity |