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Cisco Catalyst 4948 Fixed-Config Switch for Rack-Optimized Server Switching - WS-C4948-E

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Product Overview

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.


Manufacturer Cisco
Mfg Part# WS-C4948-E
SKU 203076418
UPC 746320908885
UPC 14 00746320908885
Port/Expansion Slot Details 48 x Gigabit Ethernet Network / 4 x 10 Gigabit Ethernet Expansion Slot
Total Number of Network Ports 48
Product Type Layer 3 Switch
Manufacturer Part Number WS-C4948E
Manufacturer Cisco Systems, Inc
Product Model 4948E
Product Name Catalyst 4948E Layer 3 Switch
Product Line Catalyst
Product Series 4900
Brand Name Cisco
Expansion Slot Type SFP+
Number of Total Expansion Slots 4
Number of SFP+ Slots 4
Ethernet Technology Gigabit Ethernet / Fast Ethernet
Network Technology 10/100/1000Base-T
Media Type Supported Twisted Pair
Environmentally Friendly Yes
Environmental Certification RoHS-6
Layer Supported 4
Weight (Approximate) 19 lb
Form Factor Rack-mountable
Height 1.8"
Width 17.5"
Depth 19.4"
Compatible Rack Unit 1U
Power Source Power Supply
Redundant Power Supply Supported Yes
Manageable Yes
Limited Warranty 1 Year
Tech Specs
Number of Ports 48
Gigabit Ethernet Port Yes
Product Type Layer 3 Switch
Manufacturer Part Number WS-C4948-E
Manufacturer Website Address
Manufacturer Cisco Systems, Inc
Product Name Catalyst 4948 Layer 3 Switch
Product Line Catalyst
Product Series 4900
Brand Name Cisco
Expansion Slots (4 Total) SFP Shared
Number of Expansion Slots 4
Connectivity Media Twisted Pair 10/100/1000Base-T
Performance 96Gbps Switching Fabric / 72Mpps Forwarding Rate
Additional Information 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
Layer Support 2 / 3 / 4
Dimensions 1.71" Height x 17.29" Width x 16.14" Depth
Weight (Approximate) 16.49 lb
Power Source Power Supply
Management CiscoWorks Embedded CiscoView Cisco Network Assistant Cisco SwitchProbe analyzer Remote Monitoring (RMON) software agent SNMPv1, v2, and v3 instrumentation, delivering comprehensive in-band management Command-line interface (CLI)-based management console to provide detailed out-of-band management Support for 2048 active VLANs and 4096 VLAN IDs per switch ACL or quality-of-service (QoS) entries: 32,000 VLAN Trunking Protocol (VTP) and VTP domains Community private VLANs (PVLANs) Remote in-band management is available with SNMP, Telnet client, BOOTP, and Trivial File Transfer Protocol (TFTP)
Manageable Yes
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