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toh:buffalo:wli-tx4-ag300n

Buffalo WLI-TX4-AG300N

This device is NOT RECOMMENDED for future use with OpenWrt due to low flash/ram.
DO NOT BUY DEVICES WITH 4MB FLASH / 32MB RAM if you intend to flash an up-to-date and secure OpenWrt version (18.06 or later) onto it! See 4/32 warning for details.

1) This device does not have sufficient resources (flash and/or RAM) to provide secure and reliable operation.
This means that even setting a password or changing simple network settings might not be possible any more, rendering the device effectively useless. See OpenWrt on 4/32 devices what you can do now.

2) OpenWrt support for this device will end after 2019.
19.07 will be the last official build for 4/32 devices. After 19.07, no further OpenWrt images will be built for 4/32 devices. See OpenWrt on 4/32 devices what you can do now.

Dual Band Wireless Ethernet Bridge

Manuf/OEM/ODM Gemtek WACR-130N

OEM source code available at: http://buffalo.jp/php/los.php?to=gpl/wireless/gpl_wli-tx4-ag300n_150.tar

Supported Versions

Hardware Highlights

ModelVersionSoCCPU MHzFlash MBRAM MBWLAN HardwareWLAN2.4WLAN5.0100M portsGbit portsModemUSB
WLI-TX4-AG300Nv1Ralink RT2880384432Ralink RT2880, Ralink RT2850b/g/na/n4---

Installation

Install OpenWrt (generic explanation)

Firmware:

  1. currently, wli-tx4-ag300n-squashfs-sysupgrade images don't work. The root filesystem is not recognized which results in a kernel panic.
  2. wzr-agl300nh-squashfs-sysupgrade images will boot, but you do not get network access.
  3. You can build a patched, bootable image using OpenWrt-ImageBuilder by replacing the partition label “linux” by “firmware” near line 42 in target/linux/ramips/dts/WLI-TX4-AG300N.dts, but results are similar as with the agl300nh image.

Flashing:

  1. Send file via TFTP. (IP: 192.168.11.1; only accepts oem roms; 4 sec time window)
  2. Set up a TFTP server on you PC and connect a serial cable (with a 3.3V TTL level converter). Hit 2 when prompted during reboot on the console. Specify IP addresses and file name after confirming to flash the firmware.

Flash Layout

FIXME Need Flash Layout for this device!

Please check out the article flash.layout. It contains an example and a couple of explanations.

OEM easy installation

FIXME Need OEM install this particular device!

Upgrading OpenWrt

generic.sysupgrade

If you have already installed OpenWrt and like to reflash for e.g. upgrading to a new OpenWrt version you can upgrade using the mtd command line tool. It is important that you put the firmware image into the ramdisk (/tmp) before you start flashing.

LuCI Web Upgrade Process

Terminal Upgrade Process

  • Login as root via SSH on 192.168.1.1
  • Use the following commands to upgrade.
cd /tmp/
wget http://http://downloads.openwrt.org/snapshots/trunk/XXX/xxx.abc
sysupgrade /tmp/xxx.abc
  • If sysupgrade does not support this router, use the following commands.
cd /tmp/
wget http://http://downloads.openwrt.org/snapshots/trunk/XXX/xxx.abc
mtd write /tmp/xxx.abc linux && reboot

Basic configuration

Basic configuration After flashing, proceed with this.
Set up your Internet connection, configure wireless, configure USB port, etc.

Specific Configuration

Interfaces

FIXME Need config instructions for this device!

The default network configuration is:

Interface Name Description Default configuration
br-lan LAN & WiFi 192.168.1.1/24
vlan0 (eth0.0) LAN ports (1 to 4) None
wl0 WiFi Disabled

Switch Ports (for VLANs)

FIXME Need VLAN mapping for this device!

Failsafe mode

Buttons

hardware.button on howto use and configure the hardware button(s).

The Buffalo WLI-TX4-AG300N has two buttons. They are Power and Security. Here, we merely name the buttons, so we can use them in the above Howto:

BUTTON Event
Power reset
Security ses

Hardware

Info

Instruction set: MIPS
Vendor: MediaTek
bootloader:
System-On-Chip: Ralink RT2880
CPU @Frq MIPS 4KEc @?MHz
Flash size: 4096 KiB
Flash Chip: Macronix MX29LV320EBTI-70G
RAM size: 32 MiB
RAM Chip: EtronTech EM639165TS-6G x 2
Wireless No1: Ralink RT2850 w/ 2×3 MIMO for 2.4GHz/5Ghz 802.11b/g/n
switch: IC+ IP175C (10/100, VLAN)
USB: No
Serial: yes
JTAG: Unknown

Opening the case

Note: This will void your warranty!

  • Remove 4 T-8 screws from bottom of case
  • Take care with antenna connections located on side opposite power switch!
  • Rotate top of case to left side when facing front.

Serial

port.serial general information about the serial port, serial port cable, etc.

Serial is unpopulated 4-pin header near the reset switch. Pinout is VCC (3.3V, only use to power the RS232 level converter), GND, TX, RX.

Parameters: 57600 bauds, 8 bits, No parity, 1 stop bit.

Photo of PCB with markings

JTAG

port.jtag general information about the JTAG port, JTAG cable, etc.

JTAG may be located adjacent to the serial near reset switch:

Photo of PCB with markings

Debricking

Tags

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toh/buffalo/wli-tx4-ag300n.txt · Last modified: 2019/10/02 16:39 by tmomas