Cisco SRW2048 - Small Business Managed Switch Bedienungsanleitung

Data Sheet

Cisco SRW2048 48-Port Gigabit Switch: WebView

Cisco Small Business Managed Switches

High-Performance, Reliable Switching for Small Businesses

Highlights

●48 high-speed ports optimized for performance and to support bandwidth-intensive

applications

●Strong security protects network traffic to keep unauthorized users off the network

●Intelligent QoS helps ensure a consistent network experience and supports networked

applications including voice, video, and data storage

●Simplified, web-based management for easy installation and configuration

Figure 1. Cisco SRW2048 48-Port Gigabit Switch: WebView

Product Overview

Small businesses require cost-effective yet scalable networking solutions that can meet changing

business needs. The Cisco®SRW2048 48-Port Gigabit Switch (Figure 1) brings Gigabit speeds to

your users and servers, while increasing the intelligence and security of the network infrastructure.

The forty-eight 10/100/1000 Mbps ports enable you to take advantage of the Gigabit Ethernet

interfaces shipping in the current generation of servers, workstations, and storage devices, in

addition to supporting your existing 10/100 Mbps clients. The optional Gigabit optical interfaces

allow you to expand the network as your business grows.

Network security is a top priority in any size business. Most business data networks, large and

small, are unsecure. Unauthorized access to the network and mission-critical data is a constant

concern. The Cisco SRW2048 helps secure the network by using 802.1X port authentication,

access control lists (ACLs), and MAC addresses port locking. The 802.1X standard requires clients

to authenticate themselves before the port will pass data for them.

Businesses are recognizing the benefits of voice over IP (VoIP) and are quickly migrating their voice

services to IP-based platforms, requiring their local area networks to support both voice and data

applications. In unmanaged IP networks, bursty data sessions can disrupt voice packet delivery,

Data Sheet

causing poor voice quality. With the enhanced QoS and traffic management features in the Cisco

SRW2048, voice data can be prioritized, helping ensure clear and reliable voice communications.

Taking advantage of the advanced features of the Cisco SRW2048 can further secure the integrity

of your network. The WebView interface provides an intuitive, highly secure management

interface, enabling you to better utilize the comprehensive feature set of the switch for a better-

optimized, more secure network.

Features

●Forty-eight 10/100/1000 switched RJ-45 ports with automatic medium dependent interface

(MDI) and MDI crossover (MDI-X) cable detection

●4 mini Gigabit Interface Converter (mini-GBIC) ports for fiber or copper interconnections

●Nonblocking, store-and-forward switching mechanism

●Simplified quality of service (QoS) management enabled by advanced queuing techniques

using 802.1p, differentiated services (DiffServ), or type of service (ToS) traffic prioritization

specifications

●Configuration and monitoring from a standard web browser with WebView management

●Secure remote management of the switch via Secure Shell (SSH) and SSL secure channel

network protocols

●802.1Q-based VLANs enable segmentation of networks for improved performance and

security

●Private VLAN Edge (PVE) for simplified network isolation of guest connections or

autonomous networks

●Automatic configuration of VLANs across multiple switches through Generic VLAN

Registration Protocol (GVRP) and Generic Attribute Registration Protocol (GARP)

●Automatic port configuration through auto MDI/MDIX and 802.1ab (Link Layer Discovery

Protocol [LLDP])

●User/network port-level security via 802.1X authentication and MAC-based filtering

●Increased bandwidth (up to 8x) and added link redundancy with Link Aggregation Control

Protocol (LACP)

●Enhanced rate-limiting capabilities provide control, including back pressure to control the

rate at which data can flow into and out of a port

●Broadcast, multicast, and unknown unicast storm control

●Port mirroring for noninvasive monitoring of switch traffic

●Jumbo frame support (10 KB)

●Simple Network Management Protocol (SNMP) versions 1, 2c, and 3 and Remote

Monitoring (RMON) support

●Fully rack mountable using the included rack-mounting hardware

Data Sheet

Specifications

Table 1 contains the specifications, package contents, and minimum requirements for the Cisco

SRW2048 48-Port Gigabit Switch.

Table 1. Specifications for the Cisco SRW2048 48-Port Gigabit Switch: WebView

Specifications

Ports 48 RJ-45 connectors for 10BASE-T, 100BASE-TX and 1000BASE-T with 4 shared Small

Form-Factor Pluggable (SFP) slots

Cabling type ●Unshielded twisted pair (UTP) Category 5 or better for 10BASE-T/100BASE-TX

●UTP Category 5 Ethernet or better for 1000BASE-T

LEDs Power, Link/Act, Speed

Performance

Switching capacity 96 Gbps, nonblocking

MAC table size 8000

Number of VLANs 256 VLANs

Management

Web user interface Built-in web user interface for easy browser-based configuration (HTTP/HTTPS)

SNMP SNMP versions 1, 2c, and 3 with support for traps

SNMP MIBs ●RFC1213 MIB-2, RFC2863 interface MIB, RFC2665 Ether-like MIB

●RFC1493 bridge MIB, RFC2674 extended bridge MIB (P-bridge, Q-bridge)

●RFC2819 RMON MIB (groups 1,2,3,9 only), RFC2737 entity MIB

●RFC 2618 RADIUS client MIB

RMON Embedded RMON software agent supports 4 RMON groups (history, statistics, alarms, and

events) for enhanced traffic management, monitoring, and analysis

Firmware upgrade ●Web browser upgrade (HTTP)

●Trivial File Transfer Protocol (TFTP) upgrade

Port mirroring Traffic on a port can be mirrored to another port for analysis with a network analyzer or

RMON probe

Other management ●RFC854 Telnet (menu-driven configuration)

●SSH and Telnet management

●Telnet client

●SSL security for web user interface

●Switch audit log

●DHCP client

●BOOTP

●Simple Network Time Protocol (SNTP)

●Xmodem upgrade

●Cable diagnostics

●Ping

●Traceroute

●Syslog

Security Features

IEEE 802.1X 802.1X - RADIUS authentication; MD5 encryption

ACLs ●Differentiated services code point (DSCP)/IP precedence-based class of service (CoS)

●IPv6 traffic-class-based CoS

●IP address

●Subnet mask

●Protocol

●Service type

●MAC address

●VLAN ID

●TCP/ User Datagram Protocol (UDP) port

Data Sheet

Availability

Link aggregation ●Link aggregation using IEEE 802.3ad LACP

●Up to 8 ports in up to 8 trunks

Storm control Broadcast, multicast, and unknown unicast

Spanning Tree ●IEEE 802.1d Spanning Tree, IEEE 802.1s Multiple Spanning Tree

●IEEE 802.1w Rapid Spanning Tree, Fast Linkover

Internet Group Management

Protocol (IGMP) snooping IGMP (versions 1 and 2) snooping provides for fast client joins and leaves of multicast

streams and limits bandwidth-intensive video traffic to only the requestors

QoS

Priority levels 4 hardware queues

Scheduling Priority queuing and weighted round-robin (WRR)

Class of service ●Port based

●802.1p VLAN priority based

●IP ToS/DSCP based

●IPv6 traffic-class-based CoS

Rate limiting Ingress policer, egress shaper

Layer 2

VLAN ●Port-based and 802.1Q-based VLANs

●PVE

●Management VLAN

Head-of-line (HOL) blocking HOL blocking prevention

Jumbo frame Supports frames up to 10 KB

Dynamic VLAN GVRP-dynamic VLAN registration

Standards ●802.3i 10BASE-T Ethernet, 802.3u 100BASE-TX Fast Ethernet

●802.3ab 1000BASE-T Gigabit Ethernet, 802.3z Gigabit Ethernet

●802.3x flow control

Environmental

Dimensions

W x H x D 16.93 x 1.75 x 13.78 in.

(430 x 44.5 x 350 mm)

Unit weight 2.20 lb (1 kg)

Power Internal switching power

Certification FCC Part 15 Class A, CE Class A, UL, cUL, CE mark, CB

Operating temperature 32º to 104ºF (0º to 40ºC)

Storage temperature -4º to 158ºF (-20º to 70ºC)

Operating humidity 10% to 90%

Storage humidity 10% to 95%

Package Contents

●Cisco SRW2048 48-Port Gigabit Switch

●AC power adapter and cord

●Rack mounting kit with brackets and hardware

●CD with user guide in PDF format

●Online registration card

●Console cable

Minimum Requirements

●Web-based configuration: Java-enabled browser

●Category 5 Ethernet network cable

●TCP/IP installed on each computer within the network

●Network adapter installed in each computer

●Network operating system (Windows, Linux, Mac OS X)

Product Warranty

5-year limited hardware warranty with return to factory replacement and 90-day limited software warranty

Data Sheet

Cisco Limited Warranty for Cisco Small Business Series Products

This Cisco Small Business product comes with a 5-year limited hardware warranty with return to

factory replacement and a 90-day limited software warranty. In addition, Cisco offers software

application updates for bug fixes and telephone technical support at no charge for the first 12

months following the date of purchase. To download software updates, go to:

http://www.cisco.com/go/smallbiz.

Product warranty terms and other information applicable to Cisco products are available at

http://www.cisco.com/go/warranty.

For More Information

For more information on Cisco Small Business products and solutions, visit:

http://www.cisco.com/smallbusiness.

Printed in USA C78-502271-01 01/09

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