New Cisco Catalyst 4948E Ethernet Switch  WS-C4948E-E

Cisco is announcing the new Cisco Catalyst^® 4948E Ethernet Switch optimized for full-featured server-access switching. The Cisco Catalyst 4948E offers forty-eight 10/100/1000-Gbps RJ45 downlink ports and four 1/10 Gigabit Ethernet uplink ports and is designed to simplify data center architecture and operations by offering enterprise-class hardware and software in a one-rack-unit (1RU) form factor optimized for smart top-of-rack (ToR) data center deployments 

New Features

• Twice the uplink capacity of the previous switch generation

• 1+1 power supply and fan redundancy for hardware replacement with no downtime

• Strict front-to-back cooling with no side or top venting

• Large shared packet buffers for microburst protection

• Nonblocking internal packet switching for east-to-west traffic patterns

• Full set of Layer 2 and 3 forwarding features

• Outstanding multicast performance

• Zero-touch provisioning with Cisco IOS^® Embedded Event Manager (EEM)

• Advanced quality of service (QoS)

• IP Version 6 (IPv6) switching and routing in hardware

• Extended MAC address tables to enable server virtualization