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iptables v1.8.7 (nf_tables): Chain 'MASQUERADE' does not exist openwrt

My router is a new model and can only install openwrt version 22.03

iptables-zz-legacy - 1.8.7-7 - IP firewall administration tool.

I installed this package and can't work

root@OpenWrt:~# opkg install iptables
Package iptables-nft (1.8.7-7) installed in root is up to date.

root@OpenWrt:~# iptables-translate -t nat -A POSTROUTING -o wan -j MASQUERADE
nft add rule ip nat POSTROUTING oifname "wan" counter masquerade

Running this command still doesn't work. After turning off the firewall of openwrt, you can ping it immediately

The problem was solved. I recompiled openwrt, removed firewall4, and installed the old version of iptables

Who has built a site to site network with openwrt and how site to set it up?

I can ping the LAN IP of the other router (ping in the router), but I can't Ping with PC. I think I may lack an iptables command or a route command