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CreatLentem CLT-R30B1 is a wireless WiFi 6 router. This device uses the CLT-R30B1_0824_V1.1 board shared by EDUP RT2980, Dragonglass DXG21, and other diamond-shaped 5-antenna routers. Specification ------------- - SoC : MediaTek MT7981B dual-core ARM Cortex-A53 1.3 GHz - RAM : DDR3 256 MiB - Flash : SPI-NAND 128 MiB (ESMT F50L1G41LB) - WLAN : MediaTek MT7976CN dual-band WiFi 6 - 2.4 GHz : b/g/n/ax, MU-MIMO (2x 5 dBi antennas) - 5 GHz : a/n/ac/ax, MU-MIMO (3x 5 dBi antennas) - Ethernet : - LAN x3 : 10/100/1000 Mbps (MediaTek MT7531AE) - WAN x1 : 10/100/1000 Mbps (MT7981 internal PHY) - UART : through-hole on PCB - assignment : (RX), (TX), (GND), [3.3V] - settings : 115200n8 - Buttons x2 : Mesh/WPS, Reset - LEDs x2 : Status (Red, Green) - Power : 12 VDC, 1 A, 2.1*5.5 mm Important notes --------------- The device is supplied in two variants. The main difference is the size of the mtd5 (ubi) partition in the flash layout: 64M or 112M. 112M version: Has ImmortalWrt firmware installed with LuCI WebUI. 64M version: Has stock firmware based on OpenWrt, with the WaveLink/GL.iNet WebUI and older U-Boot compared to the 112M version. Flash instructions for 112M version ----------------------------------- Follow the standard OpenWrt sysupgrade procedure without saving data. Use the clt-r30b1-112m-squashfs-sysupgrade.bin image. All checks should pass - don't proceed if a "not supported" warning is issued. Flash instructions for 64M version ---------------------------------- WebUI Method: 1. Prepare the upgrade image with clt-r30b1-squashfs-sysupgrade.bin using the script: make_staged_upgrade_tar.sh or use the prepared image: staged_openwrt_upgrade.bin Downloaded from: https://github.com/andros-ua/owrt-misc/tree/main/clt-r30b1 2. Install the prepared image using the stock WebUI update page. 3. Press and hold the reset button after reboot to wipe the stock config and gain access. SSH Method: 1. Connect via SSH using dg:ivanlee credentials. 2. Upload the clt-r30b1-squashfs-sysupgrade.bin image. 3. Use the command: sysupgrade -n All checks should pass - don't proceed if a "not supported" warning is issued. Return to stock --------------- Flash a backup of the ubi mtdblock (mtd5) using the OpenWrt sysupgrade method. Recovery -------- Both variants: Connect UART and use the U-Boot menu to flash the firmware image or boot an OpenWrt initramfs image. 112M with newer U-Boot: Power on the router while pressing the mesh button for 3 seconds. The U-Boot Flash WebUI will be available at http://192.168.1.1 MAC Addresses: ------------------------------------------------------- | Interface | MAC | Source | ---------------|-------------------|------------------- | LAN | B4:4D:43:D1:xx:xx | Factory, 0x2A | | WAN | B4:4D:43:D1:xx:xx | Factory, 0x24 | | WLAN 2.4 GHz | B4:4D:43:D2:xx:xx | Factory, 0x4 | | WLAN 5 GHz | B4:4D:43:D2:xx:xx | Factory, 0x4 + 1 | ------------------------------------------------------- Signed-off-by: Andrii Kuiukoff <andros.ua@gmail.com> Link: https://github.com/openwrt/openwrt/pull/19534 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> |
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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
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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