This is a very quick tutorial on how to upgrade the TP Link Archer C7 v2 to the latest OpenWRT image. The document is mostly for myself to remember how to do it.
NOTE: In previous versions
ar71xxwas the target, however it is outdated and the successor of it is the at79 target.
- Download firmware: https://downloads.openwrt.org/releases/21.02.1/targets/ath79/generic/openwrt-21.02.1-ath79-generic-tplink_archer-c7-v2-squashfs-sysupgrade.bin
NOTE: "... there is no “keep-configuration” migration path from 19.07 to 21.02 for targets that switched from swconfig to DSA. The affected targets are: ath79 (only TP-Link ..." source: https://openwrt.org/docs/guide-user/network/dsa/upgrading-to-2102
I did migrate from an even ealier version (18.06.04) to 21.02, so in my case I lost the configuration, see troubleshooting below.
In short:
Backupsettings- Perform
sysupgrade(you better make sure you have LAN access if you do not keep the settings) Restoresettings
In long:
The upgrade process from ar71xx to ath79 is described here. Luckily the Archer C7 v2 is fully supported by the new target.
Before upgrade:
After upgrade:
/usr/lib/lua/luci/dispatcher.lua:427: /etc/config/luci seems to be corrupt, unable to find section 'main'
This happened to me because I did not recognize that there is no keep-configuration option when upgrading from 19.07 -> 21.02
Fix is described here by resetting the Router again:
$ ssh 192.168.1.1root@corvus:~# firstboot
This will erase all settings and remove any installed packages. Are you sure? [N/y]
y
/dev/mtdblock4 is mounted as /overlay, only erasing files
root@corvus:~# reboot
root@corvus:~# Connection to 192.168.1.1 closed by remote host.
Connection to 192.168.1.1 closed.- Upgrade process for ar71xx: https://nilstschmidt.de/wifi/2017/07/25/openwrt-tp-link-archer-c7.html
- OpenWRT Website: https://openwrt.org/start
- Upgrading to OpenWrt 21.02.0: https://openwrt.org/docs/guide-user/network/dsa/upgrading-to-2102
