Cisco SRW224G4 - Small Business Managed Switch Manuale utente

Data Sheet

Cisco SRW224G4 24-Port 10/100 + 4-Port Gigabit Switch:

WebView

Cisco Small Business Managed Switches

Secure, Reliable, Intelligent Managed Switching for Your Growing Business

Highlights

●Connects up to 24 network devices - PCs, printers, and servers - to share and transfer files

and videos across your network

●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 SRW224G4 24-Port 10/100 + 4-Port Gigabit Switch: WebView

Product Overview

Growing businesses require cost-effective networking solutions that can scale with ever-changing

business needs. The Cisco®SRW224G4 24-Port 10/100 + 4-Port Gigabit Switch (Figure 1) brings

a new level of intelligence and security to the network infrastructure. The twenty-four 10/100 Mbps

ports enable you to consolidate your network from several smaller switches or hubs to a single

managed switch. 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. Unauthorized access to the network and

mission-critical data is a constant concern. The Cisco SRW224G4 is able to secure the network

through 802.1X port authentication and MAC filtering. 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, causing poor voice quality. With the enhanced quality of service (QoS) and traffic

management features in the Cisco SRW224G4, voice data can be prioritized, helping ensure clear

and reliable voice communications.

Enabling the advanced features of the Cisco SRW224G4 further secures the integrity of your

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

Data Sheet

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

more secure network.

Features

●Twenty-four 10/100 switched RJ-45 ports with automatic medium dependent interface

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

●Four 10/100/1000 switched RJ-45 ports with automatic MDI/MDI-X cable detection

●Two shared mini Gigabit Interface Converter (mini-GBIC) ports for optical or copper

interconnection

●Nonblocking, store-and-forward switching mechanism

●Simplified 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)

●802.1ab (Link Layer Discovery Protocol [LLDP]) and Universal Plug and Play (UPnP)

support

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

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

(LACP)

●Enhanced rate-limiting capabilities and storm control, including multicast, broadcast, and

flood control

●Port mirroring for noninvasive monitoring of switch traffic

●Mini jumbo frame support

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

●Fully rack mountable using the included rack-mounting hardware

Specifications

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

SRW224G4 24-Port 10/100 + 4-Port Gigabit Switch.

Table 1. Specifications for the Cisco SRW224G4 24-Port 10/100 + 4-Port Gigabit Switch: WebView

Specifications

Ports ●24 RJ-45 connectors for 10BASE-T and 100BASE-TX, 4 RJ-45 connectors for

10BASE-T/100BASE-TX/1000BASE-T with 2 shared Small Form Factor Pluggable

(SFP) slots

●Auto MDI/MDI-X

●Auto negotiate/manual setting

Data Sheet

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

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

LEDs Power, Link/Act, Speed

Performance

Switching capacity 12.8 Gbps, nonblocking

Forwarding rate 9.5 Mpps

MAC table size 8000

Number of VLANs 256 active VLANs - 4096 range

Forwarding Rate in Full Duplex

Mode Bandwidth in Gigabit - 12.8

Bandwidth in Gigabyte - 1.6

Management

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

SNMP SNMP versions 1, 2, 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, and 9 only)

●RFC2618 RADIUS client MIB

RMON Embedded Remote Monitoring (RMON) software agent supports four 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

●Dynamic Host Configuration Protocol (DHCP) client

●BOOTP

●Simple Network Time Protocol (SNTP)

●Xmodem upgrade

●Cable diagnostics

●Ping

●Traceroute

●Syslog

Security

IEEE 802.1X 802.1X - RADIUS authentication; MD5 encryption

Access control Access control lists (ACLs) - Drop or rate limit based on:

●Source and destination MAC-based

●Source and destination IP address*

●Protocol*

●ToS/differentiated services code point (DSCP)*

●Port*

●VLAN*

●Ethertype*

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

Data Sheet

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 (v1/v2) 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*

●IPv4/v6 IP precedence/ToS/DSCP based*

●TCP/ User Datagram Protocol (UDP) port-based*

●DiffServ*

●Classification and re-marking ACLs*

Rate limiting ●Ingress policer

●Egress rate control

Standards 802.3 10BASE-T Ethernet, 802.3u 100BASE-TX Fast Ethernet, 802.3ab 1000BASE-T

Gigabit Ethernet, 802.3z Gigabit Ethernet, 802.3x flow control, 802.3ad LACP, 802.1D

Spanning Tree Protocol (STP), 802.1Q/p VLAN, 802.1w Rapid STP, 802.1s Multiple STP,

802.1X port access authentication

Layer 2

VLAN ●Port-based and 802.1Q based VLANs

●Private VLAN Edge (PVE)

●Management VLAN

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

Mini jumbo frame Supports frames up to 1600 bytes

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 7.97 in.

(430 x 44 x 203 mm)

Unit weight 4.41 lb (2 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 SRW224G4 24-Port 10/100 + 4-Port Gigabit Switch

●AC power cord

●Rack-mounting kit with brackets and hardware

●CD with user guide in PDF format

●Registration card

●Console cable

Minimum Requirements

●Web-based utility: Microsoft Internet Explorer (version 5.5 or later)

●Category 5 Ethernet network cables

●Operating system: Windows 2000, XP. or later

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 C78-502278-04 11/09

Cisco has more than 200 offices worldwide. Addresses, phone numbers, and fax numbers are listed on the Cisco Website at www.cisco.com/go/offices.

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