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Netgear RBx750 are tri band, 2.4GHz and 2x 5GHz, 8 stream 802.11ax mesh devices from the Orbi series. The RBR750 is a router with a WAN and 3 LAN ports. The RBS750 is a satellite without WAN port, only 2 LAN ports and half the flash. The hardware is otherwise identical. They were sold in kits as RBK752-RBK757, with one router and 1-6 satellites. Hardware: * SoC: Qualcomm IPQ8074 * RAM: 1GiB 1x Samsung * Flash: 512MiB Winbond W29N04GZ or 256MiB Winbond W29N02GZ * WLAN 2.4GHz: QCN5024 2x2:2 b/g/n/ax * WLAN 5GHz Low Band: QCN5054 2x2:2 a/n/ac/ax 5180-5320MHz * WLAN 5GHz High Band: QCN5054 4x4:4 a/n/ac/ax 5500-5700MHz * Ethernet: QCA8075 switch with 1 WAN and 3 LAN ports or 2 LAN ports * Serial Config: 3.3V TTL 115200-8-N-1, internal populated header * Serial Layout: Bottom <- RX, TX, GND, 3.3V (don't connect) -> Top * LEDs: green/red power, white/red/green/blue status * Buttons: 1x Reset, 1x WPS MAC addresses: LAN1: base address on label LAN2: base + 1 LAN3: base + 2 WAN: base + 1 2.4GHz: base + 2 5GHz-Low: base + 3 5GHz-High: base + 4 Flashing Notes: The stock firmware images are signed. Both the bootloader and the stock web interface check the signature and will fail to boot/flash. The bootloader automatically does NMRP when a gigabit LAN connection is present. The stock and factory images contain a U-Boot script that is executed when flashing using NMRP. This is used to alter and persist the U-Boot env with a boot command that works with unsigned firmware. Install OpenWrt: * Get the nmrpflash utility [0] and OpenWrt factory image * Find network interface to use: nmrpflash -L * Start nmrpflash: nmrpflash -i interface -f openwrt-...-factory.img * Connect the device LAN port closest to the power jack to the same network using gigabit * Plug the device in and wait for the bootloader to flash * Unplug and replug the device once the power LED blinks amber Revert to Stock: The boot command needs to be reverted before flashing the stock firmware, otherwise it will fail to boot and get stuck in recovery mode (red power LED flashing). * Run: fw_setenv bootcmd bootipq * Restart the device * Flash the stock firmware RBx750-Va.b.c.d.img using nmrpflash [0]: https://github.com/jclehner/nmrpflash Signed-off-by: Michael Lotz <mmlr@mlotz.ch> Link: https://github.com/openwrt/openwrt/pull/21938 Signed-off-by: Robert Marko <robimarko@gmail.com> |
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OpenWrt Project is a Linux operating system targeting embedded devices. Instead of trying to create a single, static firmware, OpenWrt provides a fully writable filesystem with package management. This frees you from the application selection and configuration provided by the vendor and allows you to customize the device through the use of packages to suit any application. For developers, OpenWrt is the framework to build an application without having to build a complete firmware around it; for users this means the ability for full customization, to use the device in ways never envisioned.
Sunshine!
Download
Built firmware images are available for many architectures and come with a package selection to be used as WiFi home router. To quickly find a factory image usable to migrate from a vendor stock firmware to OpenWrt, try the Firmware Selector.
If your device is supported, please follow the Info link to see install instructions or consult the support resources listed below.
An advanced user may require additional or specific package. (Toolchain, SDK, ...) For everything else than simple firmware download, try the wiki download page:
Development
To build your own firmware you need a GNU/Linux, BSD or macOS system (case sensitive filesystem required). Cygwin is unsupported because of the lack of a case sensitive file system.
Requirements
You need the following tools to compile OpenWrt, the package names vary between distributions. A complete list with distribution specific packages is found in the Build System Setup documentation.
binutils bzip2 diff find flex gawk gcc-6+ getopt grep install libc-dev libz-dev
make4.1+ perl python3.7+ rsync subversion unzip which
Quickstart
-
Run
./scripts/feeds update -ato obtain all the latest package definitions defined in feeds.conf / feeds.conf.default -
Run
./scripts/feeds install -ato install symlinks for all obtained packages into package/feeds/ -
Run
make menuconfigto select your preferred configuration for the toolchain, target system & firmware packages. -
Run
maketo build your firmware. This will download all sources, build the cross-compile toolchain and then cross-compile the GNU/Linux kernel & all chosen applications for your target system.
Related Repositories
The main repository uses multiple sub-repositories to manage packages of
different categories. All packages are installed via the OpenWrt package
manager called opkg. If you're looking to develop the web interface or port
packages to OpenWrt, please find the fitting repository below.
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LuCI Web Interface: Modern and modular interface to control the device via a web browser.
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OpenWrt Packages: Community repository of ported packages.
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OpenWrt Routing: Packages specifically focused on (mesh) routing.
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OpenWrt Video: Packages specifically focused on display servers and clients (Xorg and Wayland).
Support Information
For a list of supported devices see the OpenWrt Hardware Database
Documentation
Support Community
- Forum: For usage, projects, discussions and hardware advise.
- Support Chat: Channel
#openwrton oftc.net.
Developer Community
- Bug Reports: Report bugs in OpenWrt
- Dev Mailing List: Send patches
- Dev Chat: Channel
#openwrt-develon oftc.net.
License
OpenWrt is licensed under GPL-2.0