Cisco 4948 Series Datenblatt - Seite 2
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Features and Benefits
Wire-Speed Performance in All Directions
The Cisco Catalyst 4948 10 Gigabit Ethernet Switch delivers wire-speed throughput with low latency for data-
intensive applications using a 136-Gbps switching fabric with a forwarding rate of 102 million packets per second
(mpps) in hardware for Layer 2 to 4 traffic. High-performance switching is maintained regardless of the number of
route entries or Layer 3 and 4 services enabled. Hardware-based Cisco Express Forwarding routing architecture
enables increased scalability and performance. X2 10 Gigabit Ethernet optics provide 20 Gigabit Ethernet wire-
speed uplinks for outstanding throughput of traffic.
Power-Supply Redundancy for Nonstop Operation
The Cisco Catalyst 4948 10 Gigabit Ethernet Switch provides reliability for critical applications with 1+1 redundant,
hot-swappable internal AC or DC power supplies. The 1+1 power supply design provides A-to-B failover when power
supplies are connected to different circuits. AC and DC power supplies can be mixed in the same unit for
outstanding deployment flexibility. The Cisco Catalyst 4948 10 Gigabit Ethernet Switch also has a hot-swappable fan
tray with four redundant fans for additional serviceability and availability.
Comprehensive Management
The Cisco Catalyst 4948 10 Gigabit Ethernet Switch includes a single, dedicated 10/100 console port and a single,
dedicated 10/100 management port for offline disaster recovery. Remote in-band management is available with the
Simple Network Management Protocol (SNMP), Telnet client, Bootstrap Protocol (BOOTP), and Trivial File Transfer
Protocol (TFTP). Support for local or remote out-of-band management is delivered through a terminal or modem
attached to the console interface. The management port helps enable the Cisco Catalyst 4948 10 Gigabit Ethernet
Switch to reload a new image from a TFTP server within seconds.
The Cisco Catalyst 4948 10 Gigabit Ethernet Switch delivers a comprehensive set of management tools to provide
the visibility and control required for server switching. Managed with CiscoWorks solutions and embedded
CiscoWorks CiscoView, the Cisco Catalyst 4948 10 Gigabit Ethernet Switch can be configured and managed to
deliver device, VLAN, traffic, and policy management. These web-based management tools offer numerous
services, including software deployment and quick isolation of error conditions.
Software Configuration Options
Table 1 describes the software configuration options for the Cisco Catalyst 4948 10 Gigabit Ethernet Switch.
Table 1.
Software Image
LAN Base Image
IP Base Image
Enterprise Services
Image
© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.
Software Configuration Options for the Cisco Catalyst 4948 10 Gigabit Ethernet Switch
Description
Basic Layer 2 image
Standard Layer 3 image, including Routing Information Protocol Version 1 (RIPv1), RIPv2, static routes, and Enhanced
Interior Gateway Routing Protocol (EIGRP) stub
Enhanced Layer 3 image, including Open Shortest Path First (OSPF), Intermediate System-to-Intermediate System
(IS-IS), EIGRP, Border Gateway Protocol (BGP), AppleTalk, and Internetwork Packet Exchange (IPX) software routing;
also includes all IP Base image features
Data Sheet
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