Excuse me, I tried to compile this firmware for TP-Link Archer C5 v4, but I don't know why there is no local network card.
serial port tty:
ifconfig -a
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
...
wlan0 Link encap:Ethernet HWaddr 20:6B:E7:F7:62:
...
wlan1 Link encap:Ethernet HWaddr 20:6B:E7:F7:62:
...
The compilation steps I used:
wget https://github.com/anlix-io/openwrt/archive/refs/tags/v19.07.8-ANLIX.tar.gz
tar -xf v19.07.8-ANLIX.tar.gz
cd openwrt-19.07.8-ANLIX/
./scripts/feeds update -a
./scripts/feeds install -a
make defconfig
make menuconfig #set Target System: MediaTek Ralink MIPS
#set Subtarget: MT7620
#set Target Profile: TP-Link Archer C5 v4
#set Luci => 1.Collections => Luci
kmod-tun
libcap
socat
#set SAVE=>.config =>ok and EXIT
make -j $(nproc) download
make -j $(nproc) V=s