![]() ![]() A more responsible individual would have gone with. I chose because I am lazy and therefore want to skip a step later in the process (I will explain what I got to skip when we get to it). There are several options to choose from. On the page that opens, click on 64 this will take you to the downloads for 64-bit PCs and derivatives. ![]() Scroll to the end of the page and click on x86. This will take you to a list of "targets" (various systems for which OpenWrt is available). Click on the version number (as of this writing, 22.03.2). Near the top of the page, there's a section titled Stable Release. So if you want to work with OpenWrt, connect at 115200 if you need to get into BIOS, connect at 38400. The SG105w BIOS, meanwhile, expects a connection at a lower speed, 38400 bps. If you decide to go the console route, keep in mind that OpenWrt requires console connection at 115200 bits per second (bps). Whichever you choose, the setup and configuration procedure should be the same you're still communicating with the SG105w via the command line. I chose the other: console connection to a PC (in my case, the PC is running Linux). One is the familiar PC setup: connect a monitor to the HDMI port and a keyboard to one of the USB ports, and you're good to go. We have two options for communicating with the router during installation and configuration. I chose the latter (it felt nice to not have to take the router apart for a change). You can take out the SSD, write OpenWrt onto it, and start from there, or you could boot the unit off a USB stick, then write OpenWrt onto the internal SSD, shut down, remove the USB stick, and restart. There are several ways to get OpenWrt running on the SG105w. Connectivity options for management are plentiful there are two options for console connection (RJ-45 and micro-USB), two USB type A ports, and an HDMI port. Also present are an Intel I211 Gigabit Ethernet card and a Qualcomm Atheros QCA986x/988x wireless AC card. Under the hood, the SG105w Rev.3 is sporting an Intel Atom E3930 processor, 2 GB or RAM, and a 64 GB SSD. In other words, end of life for SG105w (if it runs the specific Sophos software) should be the same as end of life for XG105w, which was August 2022. Rather, they tie retirement of SG products running certain Sophos software to the retirement of the matching products from the XG line. ![]() Sophos does not have a stated retirement policy for the SG product line. OpenWrt makes perfect sense for this unit, as the popular alternatives, pfSense and OPNsense, are based on FreeBSD and thus do not support Wireless AC at the moment. Architecture-wise, it's a fairly straightforward 64-bit PC, or, in OpenWrt terms, an 圆4 target. Sophos SG105w is a four-port router/firewall appliance with built-in Wireless AC networking. If you decide to go through with this procedure (which is not very difficult), I would suggest reading through this entire HOWTO before beginning the process and then referring to it as you go along. This HOWTO is intended for the relatively new users who have some experience with general computing and system administration but are not (yet) comfortable with flashing firmware and need some friendly handholding to get through the process. ![]()
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