openwrt 访问上级光猫 防火墙设置
openwrt 访问上级光猫 防火墙设置
eth0.2 查看路由器WAN口 192.168.1.1上级路由或光猫IP
ifconfig eth0.2 192.168.1.2 netmask 255.255.255.0 broadcast 192.168.1.255
iptables -I forwarding_rule -d 192.168.1.1 -j ACCEPT
iptables -t nat -I postrouting_rule -d 192.168.1.1 -j MASQUERADE
个人记录
MODEMIP=192.168.0.1
MODEM_NET=echo $MODEMIP | cut -d "." -f 1-3
ROUTER_WAN_PORT_IP=192.168.0.254
WAN_PORT=eth1
ifconfig $WAN_PORT $ROUTER_WAN_PORT_IP netmask 255.255.255.0 broadcast $MODEM_NET.255
iptables -A forwarding_rule -d $MODEMIP -j ACCEPT
iptables -t nat -A postrouting_rule -d $MODEMIP -o $WAN_PORT -j MASQUERADE