EtherFast
®
Cable/DSL Routers
Package Contents for the 4-Port Router (BEFSR41)• One
• One EtherFast Cable/DSL Router with 10/100 4-Port Switch
• One Power Adapter
• One User Guide
• One Tech Helper CD-ROM
• One Quick Installation and Registration Card (not shown)
System Requirements
• One RJ-45 broadband Internet connection through a cable or DSL modem
• One PC with a 10 Mbps or 10/100 Mbps Ethernet card or adapter installed
• TCP/IP network protocol installed on each PC
• UTP CAT 5 network cables with RJ-45 connectors
• Internet Explorer 4.0 and higher or Netscape Navigator 4.0 and higher
(Version 5.5 for Internet Explorer and Version 4.7 for Netscape Navigator
highly recommended for optimal results)
2
Instant Broadband
™
Series
Introduction
The Linksys EtherFast
®
Cable/DSL Router
Congratulations on the purchase of the EtherFast Cable/DSL Router from
Linksys! The EtherFast Cable/DSL Router is the perfect solution for connect-
ing a network of PCs to a high-speed broadband Internet connection and to an
Ethernet network backbone. Configurable as a DHCP server for your network,
the EtherFast Cable/DSL Router is the only visible network device on the
Internet. The Router also serves as your Internet NAT firewall, protecting your
network’s PCs from being accessed by external users. All incoming data pack-
ets are monitored and filtered. The Router can also be configured to block
internal users’ access to the Internet with IP Filtering, as well as to play Internet
games, video-conference, and much more.
Now all of your PCs can enjoy lightning-fast broadband Internet connections
and share internal network data. Link them all together and network faster than
you ever thought possible.
Features
• Connect a Broadband Modem to an Ethernet Network Backbone
• Equipped With a 3 or 4-Port 10/100 Switch (BEFSRU31 & BEFSR41 ver. 2
only)
• Connects Up to 254 PCs to the Internet with Just One IP Address
• NAT Firewall Protects Your PCs From Outside Intruders on the Internet
• Configurable Through a PC’s Web Browser Using Netscape Navigator 4.0 or
Internet Explorer 4.0 or Higher
• Supports IPSec Pass-Through for Virtual Private Networking (VPNs)*
• Administer Your Router Remotely Over the Internet
• 10/100 Switch Speeds Up Your Gaming and Multimedia Connections
(BEFSRU31 & BEFSR41 ver. 2 only)
• Configurable as a DHCP Server on Your Network
• Compatible with Virtually All Standard Internet Applications
• Administrators Can Block Specific Internal Users’ Internet Access
• DMZ Hosting Feature Enables Internet Multimedia Applications
Such as Video-Conferencing and Internet Gaming
*Limited IPSec Support
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