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.
|Type of Switch||Layer 3 Switch|
|Frequency Band||Robust Security Unicast and multicast routing entries: 32,000 MAC addresses: 32,768 CPU speed: 266 MHz Policers: 512 ingress and 512 egress Hardware-based storm control (formally known as broadcast and multicast suppression) Enterprise Services software image (IPX, Appletalk, OSPF, EIGRP, IS-IS, BGP) Cisco EtherChannel technology, Cisco Fast EtherChannel technology, and Cisco Gigabit EtherChannel technology support Switch heat dissipation: 1023 BTU/hour Memory: 256-MB SDRAM 64-MB Flash (onboard and fixed) 512-KB NVRAM 256 bytes serial EEROM|
|Connectivity Media||Twisted Pair 10/100/1000Base-T|
|Power Over Ethernet||No|
|Forwarding/Filtering Rate||131 Mpps|
|Management||QoSCLIRMON I and IIVLAN|
|Compatible Rack Unit||1U|
|Performance||72Mpps Forwarding Rate|
|Interfaces||48 x RJ-45 10/100/1000Base-T LAN|1 x RJ-45 Console Management|1 x RJ-45 10/100Base-TX Management|
|Number of Network Ports||48|
|Dimensions||1.71" Height x 17.29" Width x 16.14" Depth|
|Warranty Information||1 Year|
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