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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

  • Rated speed10/100 Mbit/s
  • WAN interfaces1 × 10/100 Mbit/s
  • Supported standardsIEEE 802.3, IEEE 802.3u
  • Supported protocolsTCP/IP
  • Network ports4 × 10/100 Mbit/s
  • Indicator lightsPower, 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.

How it compares

Measured against everything we stock in Firewall Appliances & VPN Gateways, at today’s prices. Recalculated every night.

Price $43.99
Cheaper than about 98% of the 669 comparable items (median $806.99).

Specifications

Product
Brand nameLINKSYS
Model nameBEFSR41
Performance
Rated speed10/100 Mbit/s
Connectivity
Supported standardsIEEE 802.3, IEEE 802.3u
Supported protocolsTCP/IP
Ports & slots
WAN interfaces1 × 10/100 Mbit/s
Network ports4 × 10/100 Mbit/s
Size & build
Product dimensions7.3 in × 6.1 in × 1.9 in
Product weight11.04 oz
Shipping weight1.36 kg
Package size287 × 245 × 67 mm
In the box
In the boxBEFSR41
Resource Disk
RJ45 Cable
Power Adapter
User Manual
Environment & compliance
Temperature range0 °C - 40 °C
Humidity range10% - 85%, Non-condensing
More details
Indicator lightsPower, Ethernet, Internet

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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