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triangl AP Setup

Here is a introduction guide to flash OpenWRT on a TP-Link TL-WR902AC (V3) and install the triangl software applications.

Download the TFP Recovery Image from https://openwrt.org/toh/hwdata/tp-link/tp-link_tl-wr902ac_v3

1. Install Image

  1. Configure PC with static IP 192.168.0.66/24 (Subnetmask: 255.255.255.0) and start tftp server with tftp 192.168.0.66
  2. Rename "openwrt-ramips-mt76x8-tplink_tl-wr902ac-v3-squashfs-tftp-recovery.bin" to "tp_recovery.bin" and place it in tftp server directory /private/tftpboot (mac).
  3. Connect PC with the LAN port of the AP, press the reset button, power up the router and keep button pressed for around 6-7 seconds, until device starts downloading the file.
  4. Router will download file from server, write it to flash and reboot. The install process take about 1 minute.
  5. Connect ssh [email protected], start with configuration
  6. Optional: if message "WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!", do a ssh-keygen -R 192.168.1.1

2. Install Packages

  1. Get kernel Version with uname -r (eg. 4.14.68)
  2. Copy package folder based on the kernel version: scp -r packages/4.14.68 [email protected]:/tmp/ (change version folder if necessary)
  3. Go to cd /tmp/4.14.68
  4. Install packages:
opkg install kmod-crypto-hash_4.14.67-1_mipsel_24kc.ipk
opkg install kmod-crypto-crc32c_4.14.67-1_mipsel_24kc.ipk
opkg install kmod-lib-crc32c_4.14.67-1_mipsel_24kc.ipk
opkg install kmod-lib-crc16_4.14.67-1_mipsel_24kc.ipk
opkg install kmod-batman-adv_4.14.67+2018.2-0_mipsel_24kc.ipk

3. Change welcome message

  1. Go to /etc and open vim banner
  2. Change to:

                   88                                    88
  ,d               ""                                    88
  88                                                     88
MM88MMM 8b,dPPYba, 88 ,adPPYYba, 8b,dPPYba,   ,adPPYb,d8 88
  88    88P'   "Y8 88 ""     `Y8 88P'   `"8a a8"    `Y88 88
  88    88         88 ,adPPPPP88 88       88 8b       88 88
  88,   88         88 88,    ,88 88       88 "8a,   ,d88 88
  "Y888 88         88 `"8bbdP"Y8 88       88  `"YbbdP"Y8 88
                                              aa,    ,88
                                               "Y8bbdP"

-------------------------------------------------------------
************** GATEWAY NODE AC:84:C6:E8:C9:D4 ***************
-------------------------------------------------------------
  1. Change mac address

4. Configure AP

  1. Open vim /etc/config/network and copy the ula_prefix (config globals 'globals') to the local network file (folder: wireless_node), copy also the mac address (lan_dev) in the local network file.
  2. Copy all files from wireless_node to /etc/config
  3. Set root password passwd root
  4. Restart reboot

5. Install additional packages

  1. Wait until our bot post the new ip address in the #hardware_update slack channel.
  2. Connect via ssh to the ap.
  3. Install packages
opkg update
opkg install batctl
opkg remove wpad-mini
opkg install wpad-mesh
opkg install curl
opkg install jq