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Buy WS-X6904-40G-2TXL at a great price

WS-X6904-40G-2TXL Catalyst 6900 Series 4-port 40G/16-port 10G Fiber Mod DFC4XL

The Cisco Catalyst 6904 4-Port 40 Gigabit Ethernet Line Card, is the first line card in the Cisco Catalyst 6500 Series platform to offer 40 Gigabit Ethernet per port solution, along with a host of new software features. According to IEEE, from a compute and a networking point of view, server I/O capacity doubles every two years, and the networking technology doubles in speed every 18 months. Apart from having many market drivers such as consumer and broadband access, content providers, video on demand, high-performance computing and data center interconnect, 40 Gigabit Ethernet is now part of the IEEE 802.3ba standard. This module is designed with 40 Gigabit Ethernet and 10 Gigabit Ethernet fiber interfaces in order to meet the increasing demand for the 40 Gigabit Ethernet, as well as to offer the flexibility for aggregation of 10 Gigabit Ethernet in the campus and data center. This white paper will provide an architectural overview of the line card and the packet flow along with use cases. The 6904 module contains a number of new hardware and software capabilities over the previous generation of line cards, including the following: Built-in Distributed Forwarding Card (DFC4) standard and XL modes Support for IEEE 802.1Qbh based VN-Tag protocol and Virtual Interface (VIF) processing Two-level, Strict Priority queuing in ingress and egress Two-level, quality-of-service (QoS) shaping on egress ports - per-queue and per-port Ingress buffer (5-MB/40 Gigabit Ethernet port, and 1.25-MB/10 Gigabit Ethernet port) Egress buffer (88-MB/40 Gigabit Ethernet port, and 21-MB/10 Gigabit Ethernet port) Support for Deficit Weighted Round Robin (DWRR) and Shaped Round Robin (SRR) congestion avoidance techniques IEEE 802.1ae (MACsec) encryption and authentication on all ports in 40 Gigabit Ethernet and 10 Gigabit Ethernet modes Support for up to eight Security Associations (SA) per port for Layer 2 and Layer 3 Cisco TrustSec Egress multicast replication at up to 80Gbps Virtual switch link (VSL) support on all ports in both 40 Gigabit Ethernet and 10 Gigabit Ethernet modes Blue Beacon LED on the front panel complimenting the line card status LED, for easy module identification in densely populated network environments Port Beacon LEDs on the front panel complimenting the port status LED, for easy port identification in densely populated chassis Quack chip support for counterfeit protection of field replaceable units (FRUs) 2 x 40 Gigabit Ethernet connections into the Switch fabric Up to 60-Mpps local forwarding Related Search Terms: New used refurbished buy sell purchase preowned

UPC :: 882658422126


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Product Specifications
Dimensions (WxDxH)35.6 cm x 40.6 cm x 4.4 cm
Weight 5.4 kg
Ports Qty4 ports
Data Link Protocol 10 GigE, 40 Gigabit LAN
Data Transfer Rate 40 Gbps
Performanceswitching fabric bandwidth: 80 Gbps ¦ Forwarding performance: 60 Mpps
RAM 2 GB


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