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by Cisco
Product Line: Cisco Catalyst Switch
Product Type: Switch
Original price $592.00 - Original price $6,963.00
Original price
$592.00 - $6,963.00
Current price $6,963.00
Title: Surplus

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Product Description

The WS-X6908-10G-2T module features 8 10GbE ports with X2 optics, providing high-density, high-speed connectivity for Cisco Catalyst 6500 Series Switches. It is designed for efficient data processing with a switch fabric connection of 80 Gbps full duplex and supports up to 256K forwarding entries, utilizing the DFC4 for distributed forwarding. The module also offers advanced traffic management with 256MB port buffers, CoS and DSCP-based queue mapping, and multiple scheduling algorithms including DWRR, WRED, and SRR at egress, ensuring optimal performance and reliability.

Key Feature for the WSX690810G2T

  • What is the number of ports available on this switch?
    The switch has 8 10-Gigabit Ethernet ports.
  • How does the switch handle forwarding?
    Equipped with a DFC4 for distributed forwarding, the switch efficiently manages data packet movement.
  • What type of optics is supported by this hardware?
    It supports X2 optics.
  • Can you describe the switch's queuing mechanism?
    It utilizes Class of Service (CoS) and Differentiated Services Code Point (DSCP) based queue mapping for traffic prioritization.
  • What is the maximum port density per chassis?
    The maximum port density is 64 ports for the 6509-E chassis and 88 ports for the 6513-E chassis.
  • What are the supported supervisor engines for this switch?
    The switch supports Supervisor Engine 2T and 2TXL.
  • What is the size and weight of this switch?
    The dimensions are 1.2 x 14.4 x 16 inches and it weighs 12.6 lbs.
  • What power requirements does this switch have?
    It requires 588 W of power.
  • What is the operating temperature range for this switch?
    The operating temperature range is 0 °C to 55 °C.
  • How does the switch support high-availability features?
    With a 1:1 oversubscription rate and a forwarding engine capable of supporting 256K forwarding entries, the switch ensures reliable and efficient data processing.

Product Review

The Cisco WS-X6908-10G-2T module delivers high-density 10 Gigabit Ethernet connectivity with eight ports and a 1:1 oversubscription rate, ensuring efficient bandwidth utilization and reliable performance for demanding network environments. It is equipped with the DFC4 forwarding engine, supporting up to 256K forwarding entries for enhanced packet processing and routing capabilities, alongside versatile queuing mechanisms like DWRR, WRED, and SRR for improved traffic management. However, its high power requirement of 588W and the necessity for a Cisco Catalyst 6500 E-Series chassis for operation may limit its deployment flexibility in environments with existing infrastructure or power constraints.


The Cisco WS-X6908-10G-2T is a high-performance networking module designed for the Catalyst 6500 E-Series chassis, providing eight 10 Gigabit Ethernet ports to meet the demands of high-speed data environments. This module is equipped with X2 optics, ensuring efficient and high-quality data transmission over optical fiber networks. Its switch fabric connection boasts an impressive 80 Gbps full duplex capability, eliminating bottlenecks and ensuring seamless data flow. This module achieves a 1:1 oversubscription ratio, indicating a balanced throughput capacity that maintains performance without sacrificing speed. The forwarding engine integrates DFC4 technology for distributed forwarding, enhancing the efficiency of data processing across the network. It supports up to 256K forwarding entries, allowing for extensive data routing and management capabilities. Key features include: -
  • Class of Service (CoS) and Differentiated Services Code Point (DSCP) based queue mapping for advanced data prioritization.
  • Deficit Weighted Round Robin (DWRR), Weighted Random Early Detection (WRED), and Smoothed Round Robin (SRR) scheduling mechanisms at the egress point to optimize data flow and minimize congestion.
  • 256MB port buffers and jumbo frame support of up to 9216 bytes to enhance data transmission efficiency.
The module's maximum port density varies depending on the chassis used, supporting up to 64 ports in a 6509-E chassis and 88 ports in a 6513-E chassis. It is compatible with any Cisco Catalyst 6500 E-Series chassis and supports Supervisor Engine 2T and 2TXL, broadening its application scope. Equipped with 2 GB of onboard memory, this module is designed for heavy-duty processing and can handle extensive data loads effortlessly. Its physical dimensions are 1.2 x 14.4 x 16 inches, and it weighs 12.6 lbs, making it a compact yet powerful addition to any networking setup. It operates efficiently between 0 °C and 55 °C and has a storage temperature range from -40 °C to 75 °C. The module's relative humidity tolerance is between 10% and 90% (non-condensing), ensuring it remains operational in various environmental conditions. The power requirement for this module is 588 W, incorporating energy efficiency into its design. It features several indicators for status, link, and blue beacon, providing visual cues for network status and connectivity. The module meets ETSI ETS 300 019 standards for storage, transportation, and stationary use, ensuring reliability and durability across different operational scenarios. Designed specifically for use with Cisco Catalyst 6500 Series switches, this module enhances network performance, offering a maximum port density per Virtual Switching System (VSS) of up to 128 ports in a 6509-E chassis and 176 ports in a 6513-E chassis. This capability allows for scalable expansion, accommodating growing network demands without compromising on performance or reliability.


Item Number and Maker Cisco WS-X6908-10G-2T
Port Count 8 ports at 10 Gigabit Ethernet
Optical Interfaces X2
Link to Switch Fabric 80 Gbps bidirectional
Rate of Oversubscription 1:1
Processing Unit Includes DFC4 for decentralized packet processing
Routing/Forwarding Entries Supports up to 256,000 entries
Queue Management Queue assignment based on Class of Service (CoS) and Differentiated Services Code Point (DSCP)
Packet Scheduling Utilizes Deficit Weighted Round Robin (DWRR), Weighted Random Early Detection (WRED), and Smoothed Round Robin (SRR) at the egress point
Memory per Port 256 MB dedicated to each port
Support for Large Frames Handles frames up to 9,216 bytes
Ports per Chassis Capacity Up to 64 in 6509-E, 88 in 6513-E chassis models
Compatible Chassis Types All Cisco Catalyst 6500 E-Series Chassis models
Supported Control Units Works with Supervisor Engine 2T and 2TXL
Integrated Memory 2 GB RAM
Dimensions 1.2 inches height, 14.4 inches width, 16 inches depth
Mass 12.6 pounds
Operational Heat Range 0 to 55 °C
Storage Heat Range -40 to 75 °C
Ambient Moisture Tolerance 10% to 90% non-condensing humidity
Electrical Power Usage 588 Watts
Visual Alerts Indicators for status, connectivity, and diagnostics
Compliance Standards ETS 300 019-2-1, Class 1.2 for Storage; 300 019-2-2, 2.3 for Transport; 300 019-2-3, Class 3.2 for Operational Environment
Intended Application Designed for Cisco Catalyst 6500 Series Switches
Max Ports in Virtual Switching System 128 ports in 6509-E and 176 ports in 6513-E chassis configurations

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