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Cisco WS-C4948E Catalyst 4948 48-Port 10/100/1000 4 SFP Switch

SKU: AR_Cisco WS-C4948E PSU

Availability: 4 item(s)

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Up for sale is a used Cisco WS-C4948E Catalyst 4948 48-Port 10/100/1000 4 SFP Switch.

It has been tested and is in good working condition. Rack Ears are installed.


Original Manufacturer Description:

The Cisco Catalyst® 4948E and 4948E-F Ethernet Switches are the Cisco Catalyst 4900 Series data center switches built from the start to deliver best-in-class, full-featured server-access switching. The switches include identical features except that the Cisco Catalyst 4948E offers front-to-back cooling, and the Cisco Catalyst 4948E-F offers back-to-front cooling. Each switch offers forty-eight 10/100/1000-Gbps RJ45 downlink ports and four 1 and 10 Gigabit Ethernet uplink ports. The switches are designed to simplify data center architecture and operations by offering service provider-grade hardware and software in a one-rack-unit (1RU) form factor optimized for full-featured top-of-rack (ToR) data center deployments.

● Nonblocking server-to-server traffic with 176-Gbps aggregate throughput
● Ease of migration from Gigabit Ethernet to 10 Gigabit Ethernet upstream with support for SFP and SFP+ optics
● Large buffers optimized to handle microbursts with 17.5 MB of centralized buffering, helping ensure that business-critical packets are not lost due to insufficient buffering
● Active queue management through dynamic buffer limiting for TCP throughput optimizations
● Investment protection through data center design with dual-stack IP Versions 4 and 6 (IPv4 and v6) support
● Advanced quality of service (QoS) with eight configurable queues for each port
● Data center server virtualization support for larger Layer 2 domains with scalable MAC addresses
● Support for a wide variety of optics connecting to the aggregation layer
● Front-to-back and back-to-front airflow options