Openwrt实现双4G模块拨号

修改network文件

/etc/config/network

config interface 'modem'
        option ifname 'wwan0'
        option service 'fdd-lte'
        option apn 'undefined'
        option proto 'qmi'
        option device '/dev/cdc-wdm0'
        option metric '40'
        option disabled '0'

config interface 'modem1'
        option ifname 'wwan1'
        option service 'fdd-lte'
        option apn 'undefined'
        option proto 'qmi'
        option device '/dev/cdc-wdm1'
        option metric '60'
        option disabled '0'

修改防火墙配置文件

/etc/config/firewall

config zone
        option name 'wan'
        option input 'REJECT'
        option output 'ACCEPT'
        option forward 'REJECT'
        option masq '1'
        option mtu_fix '1'
        option conntrack '1'
        option network 'wan6 wan modem modem1'

修改mwan3

/etc/config/mwan3增加

config globals 'globals'
        option enabled '1'
        option local_source 'lan'
        option mmx_mask '0x3F00'

config interface 'modem'
        option enabled '1'
        list track_ip '8.8.4.4'
        list track_ip '8.8.8.8'
        list track_ip '208.67.222.222'
        list track_ip '208.67.220.220'
        option family 'ipv4'
        option reliability '2'
        option count '1'
        option timeout '2'
        option interval '5'
        option down '3'
        option up '8'
        
config interface 'modem1'
        option enabled '1'
        list track_ip '8.8.4.4'
        list track_ip '8.8.8.8'
        list track_ip '208.67.222.222'
        list track_ip '208.67.220.220'
        option family 'ipv4'
        option reliability '2'
        option count '1'
        option timeout '2'
        option interval '5'
        option down '3'
        option up '8'
        
config member 'modem_only'
        option interface 'modem'
        option metric '4'
        option weight '5'
        
config member 'modem1_only'
        option interface 'modem1'
        option metric '4'
        option weight '5'
        
config policy 'default_poli'
        list use_member 'modem_only'
        list use_member 'modem1_only'
        option last_resort 'default'

config rule 'default_rule'
        option dest_ip '0.0.0.0/0'
        option use_policy 'default_poli'

重启network/firewall/mwan3

    /etc/init.d/network restart
    /etc/init.d/firewall restart
    /etc/init.d/mwan3 restart