I found ox820 platform lack of ipv6 support.
1.lack odhcp6c to get ipv6
2.ddns install fail
root@PogoPlug-Pro:/# opkg install luci-app-ddns
Installing luci-app-ddns (git-21.018.50423-4d5facb) to root...
Downloading https://downloads.openwrt.org/releases/21.02.0/packages/arm_mpcore/luci/luci-app-ddns_git-21.018.50423-4d5facb_all.ipk
Installing luci-lib-ipkg (git-18.318.71164-4bbe325) to root...
Downloading https://downloads.openwrt.org/releases/21.02.0/packages/arm_mpcore/luci/luci-lib-ipkg_git-18.318.71164-4bbe325_all.ipk
Installing ddns-scripts-services (2.8.2-11) to root...
Downloading https://downloads.openwrt.org/releases/21.02.0/packages/arm_mpcore/packages/ddns-scripts-services_2.8.2-11_all.ipk
Installing ddns-scripts (2.8.2-11) to root...
Downloading https://downloads.openwrt.org/releases/21.02.0/packages/arm_mpcore/packages/ddns-scripts_2.8.2-11_all.ipk
Configuring ddns-scripts-services.
Configuring ddns-scripts.
150437 WARN : Service section disabled! - TERMINATE
Configuring luci-lib-ipkg.
150438 WARN : Service section disabled! - TERMINATE
Configuring luci-app-ddns.
150439 WARN : Service section disabled! - TERMINATE
150439 WARN : Service section disabled! - TERMINATE
3 how could I config if I decide to use wifi as client? put it to lan or wan? bridge it to eth?