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Small rectangular blue router with one WAN port and four LAN ports on the front

Linksys

Linksys BEFSR41 10/100Mbps firewall appliance 4-port switch

SKU CH-MCH2-7ANB9 MPN BEFSR41

A 10/100 Mbps firewall router with a built-in four-port switch, VPN support and remote administration

  • StandardsIEEE 802.3, IEEE 802.3u
  • ProtocolsTCP/IP
  • Speed10/100Mbps
  • WAN Ports1 x 10/100Mbps
  • LAN Ports4 x 10/100Mbps
  • LEDsPower, Ethernet, Internet
  • Connect four wired devices instantly with four 10/100Mbps LAN ports
  • Share one broadband link through a single 10/100Mbps WAN port
  • Prioritise traffic by port or service type using built-in QoS
  • Allow IPSec and PPTP VPN pass-through for remote access
  • Configure and upgrade the router remotely over the internet

Purpose-built small-office gateway

The Linksys BEFSR41 is a 10/100Mbps firewall appliance with an integrated four-port switch. It provides a single WAN port and four LAN ports for sharing a cable or DSL connection across a small wired network. The unit supports IPSec and PPTP pass-through and can be configured as a DHCP server. It is not suited for networks that require gigabit throughput or wireless connectivity.

Thermals and silent operation

The device operates passively within a 0°C to 40°C temperature range and 10% to 85% non-condensing humidity. With no moving parts it produces no audible noise and draws minimal power from the supplied external adapter. The front-panel LEDs indicate power, Ethernet link status and internet connection state.

Bundled setup kit

The package includes a resource disk, one RJ45 cable and a power adapter alongside the printed user manual. The disk supplies the configuration utility used for initial setup and remote administration over the internet. No additional licences or subscription services are required to enable the built-in VPN pass-through or QoS prioritisation features.

Highlights

  • Connect four wired devices instantly with four 10/100Mbps LAN ports
  • Share one broadband link through a single 10/100Mbps WAN port
  • Prioritise traffic by port or service type using built-in QoS
  • Allow IPSec and PPTP VPN pass-through for remote access
  • Configure and upgrade the router remotely over the internet

Specifications

BrandLINKSYS
ModelBEFSR41
StandardsIEEE 802.3, IEEE 802.3u
ProtocolsTCP/IP
Speed10/100Mbps
WAN Ports1 x 10/100Mbps
LAN Ports4 x 10/100Mbps
LEDsPower, Ethernet, Internet
VPNYes
Temperature0°C - 40°C
Humidity10% - 85%, Non-condensing
FeaturesSupports Universal Plug-and-Play for Easy Configuration
QoS prioritization based on port or service type
Supports IPSec and PPTP Pass-through
Administer and Upgrade the Router Remotely over the internet
Configurable as a DHCP Server on Your Network
Advanced Security Management Function for Port Filtering, MAC Address Filtering, and DMZ Hosting
Automatically Detects Straight or Cross-over Cable
Dimensions7.3" x 6.1" x 1.9"
Weight11.04 oz
Package ContentsBEFSR41
Resource Disk
RJ45 Cable
Power Adapter
User Manual
Shipping weight1.36 kg
Package size287 × 245 × 67 mm

Questions about this item

How do I connect the BEFSR41 to my cable modem and PCs, and which step is often missed?

Connect the modem to the single WAN port and up to four PCs to the LAN ports; the step often missed is enabling DHCP on the router so every attached device receives an IP address automatically.

What component will need replacement first on the BEFSR41?

The external power adapter is the part most likely to require replacement before the router itself fails.

At what temperature does the BEFSR41 reach its operating limit during sustained load?

The rated operating ceiling is 40 °C; sustained loads that push the chassis above that temperature will trigger the first thermal limit.

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