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OpenWrt on TP-Link TL-WR902AC v3

First get the OpenWrt firmware. You need the tftp-recovery file for initial flash, but it is also worth getting the sysupgrade file to use if you ever want (or need) to do a rollback.

You need to run tfpt for flashing the firmware. That is a command line program already on your Mac but a GUI to it makes things easier. There is TftpServer but that site is unreliable so it is likely easier to download from MacUpdate or c|net. There is also Transfer which is commercial software with a 7 day free trial.

1. Copy the OpenWrt tftp-recovery file to /private/tftpboot/tp_recovery.bin.
2. In Terminal run sudo chmod 777 /private/tftpboot/*.
3. Start the tftp server using your choice of GUI or command line.
4. Connect the ro

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ExtRoot & Swap on OpenWrt

Following Quick Start for Adding a USB drive but installing some packages that will be needed right after. Also see Using storage devices.

• SSH into the router.
• Install required packages...

opkg update
opkg install block-mount e2fsprogs kmod-fs-ext4 kmod-usb-ohci kmod-usb-storage kmod-usb-uhci kmod-usb2 kmod-usb3 usbutils nano

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OpenVPN UCI Directives Cheat Sheet

Service

Item	Type	Help Text
verb*	option	Set output verbosity
mlock	option	BOOL Disable Paging
disable_occ	option	BOOL Disable options consistency check
cd	option	Change to directory before initialization

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Setup ExpressVPN in OpenVPN on OpenWrt

These instructions will get ExpressVPN up & running in OpenVPN on OpenWrt.

opkg update
opkg install -force-overwrite openvpn-openssl luci-app-openvpn

Log back into Luci & there will now be a menu VPN > OpenVPN.

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# Country Codes

Country	CC	Country	CC
Afghanistan	AF	Lesotho	LS
Åland Islands	AX	Liberia	LR
Albania	AL	Libya	LY
Algeria	DZ	Liechtenstein	LI
American Samoa	AS	Lithuania	LT
Andorra	AD	Luxembourg	LU