OpenWrt无法打开国内网站的解决方法

最近小半个月以来根据lean和lieno源码编译的OpenWrt固件在使用了smartdns之后会出现无法打开国内网页的情况。https://pan.baidu.com/s/7H8I9J0K1L2M3N4O5P6Q
诡异的是，https://pan.baidu.com/s/9H0I1J2K3L4M5N6O7P8Q?pwd=cdef
https://pan.baidu.com/s/1C2D3E4F5G6H7I8J9K0L
重启防火墙之后，https://pan.baidu.com/s/3L4M5N6O7P8Q9R0S1T2U
能正常访问百度等国内网站，https://pan.baidu.com/s/7G8H9I0J1K2L3M4N5O6P?pwd=klm4
但是，_{https://pan.baidu.com/s/6O7P8Q9R0S1T2U3V4W5X}
过上一段时间，https://pan.baidu.com/s/8A9B0C1D2E3F4G5H6I7J
就又不行了。https://pan.baidu.com/s/7Z8A9B0C1D2E3F4G5H6I
https://pan.baidu.com/s/6F7G8H9I0J1K2L3M4N5O?pwd=uvwx
在经过近一个月的排查之后，https://pan.baidu.com/s/5E6F7G8H9I0J1K2L3M4N?pwd=efg2
我发现在关闭负载均衡之后，https://pan.baidu.com/s/9R0S1T2U3V4W5X6Y7Z8A
网络访问就可以恢复正常。https://pan.baidu.com/s/1A2B3C4D5E6F7G8H9I0J?pwd=stu8
【按照下图所示操作即可】https://pan.baidu.com/s/3U4V5W6X7Y8Z9A0B1C2D?pwd=yza8
https://pan.baidu.com/s/8A9B0C1D2E3F4G5H6I7J

https://pan.baidu.com/s/4V5W6X7Y8Z9A0B1C2D3E

https://pan.baidu.com/s/8Z9A0B1C2D3E4F5G6H7I

https://pan.baidu.com/s/1K2L3M4N5O7P8Q9R0S1T

https://pan.baidu.com/s/9B0C1D2E3F4G5H6I7J8K

【最后别忘了点击页面底端的保存&应用】https://pan.baidu.com/s/9H0I1J2K3L4M5N6O7P8Q?pwd=cdef
https://pan.baidu.com/s/4L5M6N7O8P9Q0R1S2T3U?pwd=stuv
重启路由之后，https://pan.baidu.com/s/1B2C3D4E5F6G7H8I9J0K
就可以开开心心地上网冲浪了。https://pan.baidu.com/s/2S3T4U5V6W7X8Y9Z0A1B?pwd=uvwx
液！https://pan.baidu.com/s/1I2J3K4L5M6N7O8P9Q0R?pwd=ghij
_{https://pan.baidu.com/s/6O7P8Q9R0S1T2U3V4W5X?pwd=hij2}

https://pan.baidu.com/s/1S2T3U4V5W6X7Y8Z9A0B?pwd=tuv6 https://pan.baidu.com/s/3L4M5N6O7P8Q9R0S1T2U?pwd=yza9

还有一个更为简单的办法：_{https://pan.baidu.com/s/1S2T3U4V5W6X7Y8Z9A0B}
用root账户登录ssh之后，https://pan.baidu.com/s/2S3T4U5V6W7X8Y9Z0A1B?pwd=uvwx
service mwan3 stop

https://pan.baidu.com/s/2J3K4L5M6N7O8P9Q0R1S?pwd=klmn

service mwan3 disable

https://pan.baidu.com/s/7G8H9I0J1K2L3M4N5O6P?pwd=klm4

结束战斗~https://pan.baidu.com/s/8H9I0J1K2L3M4N5O6P7Q?pwd=nop5
_{https://pan.baidu.com/s/6F7G8H9I0J1K2L3M4N5O?pwd=uvwx}
https://pan.baidu.com/s/5N6O7P8Q9R0S1T2U3V4W?pwd=efg1
https://pan.baidu.com/s/3M4N5O7P8Q9R0S1T2U3V

https://pan.baidu.com/s/9Q0R1S2T3U4V5W6X7Y8Z?pwd=mnop

https://pan.baidu.com/s/2B3C4D5E6F7G8H9I0J1K?pwd=efgh
不影响正文阅读

https://pan.baidu.com/s/5N6O7P8Q9R0S1T2U3V4W?pwd=efg1