【openwrt-21.02】openwrt中NPT（network prefix translation）实现举例
参考链接
IPv4 NPT
启用 IPv4 到 IPv4 网络前缀转换
cat << "EOF" > /etc/nftables.d/npt.sh
LAN_PFX="192.168.1.0/24"
WAN_PFX="192.168.2.0/24"
. /lib/functions/network.sh
network_flush_cache
network_find_wan WAN_IF
network_get_device WAN_DEV "${WAN_IF}"
nft add rule inet fw4 srcnat \
oifname "${WAN_DEV}" snat ip prefix to ip \
saddr map { "${LAN_PFX}" : "${WAN_PFX}" }
EOF
uci -q delete firewall.npt
uci set firewall.npt="include"
uci set firewall.npt.path="/etc/nftables.d/npt.sh"
uci commi原文地址：https://blog.csdn.net/wgl307293845/article/details/143053052
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