OpenWRT (Pulpstone lite) WDS Repeater TL-MR3020

guide.txt

https://pulpstone.pw/lede-lite-ar71xx/

https://openwrt.org/docs/guide-user/network/wifi/atheroswds
Note: there was no new interface created, neither on the AP nor on the STA, despite WDS working properly. 

cat /etc/config/network
config interface 'loopback'
        option ifname 'lo'
        option proto 'static'
        option ipaddr '127.0.0.1'
        option netmask '255.0.0.0'

config globals 'globals'
        option ula_prefix 'xxxx:xxxx:xxxx::/48'

config interface 'lan'
        option type 'bridge'
        option ifname 'eth0'
        option proto 'static'
        option ipaddr 'x.x.x.x' // IP del mismo equipo
        option netmask '255.255.255.0'
        option dhcpv6 'disabled'
        option gateway 'x.x.x.x'// IP del router principal
        option dns 'x.x.x.x'// IP del router principal

config interface 'wan'
        option proto 'none'

cat /etc/config/wireless

config wifi-device 'radio0'
        option type 'mac80211'
        option hwmode '11g'
        option path 'platform/ar933x_wmac'
        option htmode 'HT20'
        option disabled '0'
        option channel '11'
        option country 'AR'

config wifi-iface 'wifinet1'
        option device 'radio0'
        option network 'lan'
        option mode 'sta'
        option ssid 'xxxxxxx' // SSID a repetir
        option encryption 'psk2'
        option key 'xxxxx' // Clave
        option wds '1'

config wifi-iface 'wifinet2'
        option device 'radio0'
        option network 'lan'
        option mode 'ap'
        option ssid 'xxxxx' // SSID nueva (puede ser la misma)
        option encryption 'psk2'
        option key 'xxxxxx' // Clave