- Install syncdial+mwan3
Tips
https://downloads.openwrt.org/snapshots/targets/mediatek/filogic/packages/
Download iptables-mod-ipopt
Tips
So the package you want to install has dependency packages incl. iptables-mod-ipopt.
I think you should ask the OpenWRT team why they didn’t build those packages for the filogic SoC? Maybe they forgot? Maybe that build went wrong?