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Secure, reliable, intelligent, high density
managed switching for your network core

The Linksys WebView Managed switch allows you to expand your network securely. Configuration of the
switch is secured using SSL for Web access and SSH for Telnet access. User control is secured using 802.1x
security using a RADIUS authentication mechanism and can also be controlled using MAC filtering.
Extensive QoS features makes the solution ideal for real-time applications like Voice and Video. The 4 priority queues together with the Weighted Round Robin and Strict Priority scheduling techniques facilitate
efficient co-existence of real-time traffic with data traffic allowing them each to meet their QoS needs.
Individual users or applications can be prioritized above others using various Class of Service options - by
port, layer 2 priority (802.1p), Layer 3 priority (TOS or DSCP)*, or IPv6 Traffic Class*. Intelligent Broadcast,
Multicast, and Unknown Unicast storm control minimizes and contain the effect of these types of traffic on
regular traffic. IGMP Snooping limits bandwidth-intensive video traffic to only the requestors without flooding to all users. Incoming traffic can be policed and outgoing traffic can be shaped allowing you to control network access and traffic flow.
There are features that allow you to expand and grow your network of switches. Link aggregation allow
multiple high-bandwidth trunks between switches to be setup. This also provides a level of reliability in that
the system continues to operate if one of the links break. Spanning Tree(STP), Fast Spanning Tree, and Multiple Spanning Tree allow you to build a mesh of switches increasing the availibility of the system.
The rich management functionality of the WebView switches includes SNMP, RMON, Telnet, and HTTP Management options, allowing you to flexibly integrate and manage these devices in your network.
* Future firmware release

Optimized to be your
network core with
very high performance and density

Secure management
via SSH/SSL and secure
user control via 802.1x
& MAC filtering

IGMP snooping, L2/L3
COS, queuing & scheduling makes solution
ideal for Voice/Video

Intelligent traffic management with Rate
Limiting, Policing, Shaping, and Storm control

48-port 10/100/1000 Switch
WIRED

+ 4 shared mini-GBIC Ports
with WebView

Model No.

SRW2048

Product Data

48-port 10/100/1000 Switch + 4 shared mini-GBIC Ports
with WebView
Features

Specifications
Ports
Cabling Type
LED Indicators

48 RJ-45 connectors for 10BASE-T, 100BASE-TX and 1000BASE-T with 4 shared SFP slots
UTP CAT 5 or better for 10BASE-T/100BASE-TX, UTP CAT 5e or better for 1000BASE-T
Power, Link/Act, Speed

Switching Capacity
MAC Table Size
Number of VLANs

96 Gbps, non-blocking
8k
256 - Static (Today) and Dynamic (Future)

• Port based and 802.1q based VLAN's
support up to 256 VLANS

Web User Interface
SNMP
SNMP MIBs

• Port Trunking for up to 8 groups allows
you to increase your bandwidth for
each uplink or Server connection

RMON

• Port configuration settings for Link,
Speed, Auto MDI/MDIX, Flow Control,
and more

Firmware Upgrade
Port Mirroring

Built-in Web UI for easy browser-based configuration (HTTP/HTTPS)
SNMP version 1, 2, 3 with support for traps
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
Embedded Remote Monitoring (RMON) software agent supports four RMON groups
(history, statistics, alarms, and events) for enhanced traffic management, monitoring, and
analysis.
Web Browser upgrade (HTTP), TFTP upgrade
Traffic on a port can be mirrored to another port for analysis with a network analyzer or
RMON probe.
RFC854 Telnet (Menu-driven configuration), Secure Shell (SSH) and Telnet Management,
Telnet Client, SSL security for Web UI, Switch Audit Log, DHCP Client, BootP, SNTP, Xmodem
upgrade, Cable Diagnostics, PING, Traceroute

• 48 - 10/100/1000 Switched RJ-45 ports
• 4 shared mini-GBIC ports
• WebView monitoring allows administrators to view the current status and configuration using their favorite web
browser

Performance

Management

• Fully rack-mountable using the
included rack-mounting hardware

Other Management

• Auto MDI/MDIX per port allows for automatic Cable detection

Security

• MAC Address table supports up to 8K
MAC Address entries

Availability

• Optimal platform to support real-time
applications like voice and video by
providing features like IGMP snooping,
multiple queues (4) with appropriate
scheduling techniques, prioritization of
traffic based on L2/L3 priority*, and line
rate forwarding mechanisms
• Secure control via SSH for Telnet interface and SSL for HTTP interface

IEEE 802.1x
Access Control

802.1x - RADIUS Authentication. MD5 Encryption
Filtering: MAC-based*

Link Aggregation
Storm Control
Spanning Tree

Link Aggregation using IEEE 802.3ad LACP, Up to 8 ports in up to 8 groups
Broadcast, Muticast, and Unknown Unicast
IEEE 802.1d Spanning Tree, IEEEE 802.1s Multiple Spanning Tree, IEEE 802.1w Rapid
Spanning Tree, Fast Linkover
IGMP (v1/v2) snooping provides for fast client joins and leaves of multicast streams and
limits bandwidth-intensive video traffic to only the requestors.

IGMP Snooping

QoS

Priority Levels
Scheduling
Class of Service
Rate Limiting

4 Hardware queues
Priority Queueing and Weighted Round Robin (WRR)
Port-based, 802.1p VLAN priority based, IP TOS/DSCP based, IPv4 Traffic Class based COS
Ingress Policer, Egress Shaper

• User/Network security via 802.1x (with
Radius authentication) and MAC-based
filtering

Layer 2

VLAN
HOL Blocking

Port-based and 802.1q based VLANs, Private VLAN Edge (PVE), Management VLAN
Head of line blocking prevention

• Containment of storms - Broadcast,
Multicast, and Unknown Unicast

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

• Expandability and availability increased
across multiple switches using Link
Aggregation
• SNMP and RMON management
expand your visibility options
Linksys
A Division of Cisco Systems, Inc.
18582 Teller Avenue
Irvine, CA 92612 USA

Standards
Environmental
Dimensions
Unit Weight
Power Input
Certifications
Operating Temp
Storage Temp.
Operating Humidity
Storage Humidity
Warranty

16.93" x 1.75" x 13.78" (430 mm x 44.45 mm x 350 mm)
8.60 lbs. (3.9 kg)
internal switching power
FCC Part15 Class A, CE Class A, UL, cUL, CE mark, CB
32ºF to 122ºF (0ºC to 50ºC)
-4ºF to 158ºF (-20ºC to 70ºC)
10% to 90%, Non-Condensing
10% to 95%, Non-Condensing
5 years

Minimum Requirements
E-mail:

sales@linksys.com
support@linksys.com

Web:

http://www.linksys.com

Linksys products are available in more than 50
countries, supported by 12 Linksys Regional Offices
throughout the world. For a complete list of local
Linksys Sales and Technical Support contacts, visit
our Worldwide Web Site at www.linksys.com.

• Web-based Configuration Java-enabled Browser
• Cat5 Ethernet Network Cable
• TCP/IP Protocol installed on each computer within the
network
• Network Adapter installed in each computer
• Network Operating System (e.g. Windows®, Linux,
MacOS X)

* Future firmware release

Package Contents
•
•
•
•
•
•

One SRW2048 Switch
One Power Cord
One Rack Mounting Kit
One CD with User Guide in PDF Format
One Registration Card
Console Cable

Specifications are subject to change without notice. Linksys is a registered trademark or trademark of Cisco Systems, Inc. and/or its affiliates in the U.S. and certain other countries. Copyright © 2005
Cisco Systems, Inc. All rights reserved. Other brands and product names are trademarks or registered trademarks of their respective holders.

SRW2048-DS-51101 KL

Product Data
Model No.

SRW2048



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