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/9I0J1K2L3M4N5O6P7Q8R?pwd=qrs6}
诡异的是，

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

https://pan.baidu.com/s/1C2D3E4F5G6H7I8J9K0L
重启防火墙之后，https://pan.baidu.com/s/6F7G8H9I0J1K2L3M4N5O?pwd=uvwx
能正常访问百度等国内网站，https://pan.baidu.com/s/1B2C3D4E5F6G7H8I9J0K
但是，https://pan.baidu.com/s/7X8Y9Z0A1B2C3D4E5F6G?pwd=jkl5
过上一段时间，https://pan.baidu.com/s/4D5E6F7G8H9I0J1K2L3M?pwd=bcd1
就又不行了。https://pan.baidu.com/s/6G7H8I9J0K1L2M3N4O5P

https://pan.baidu.com/s/2K3L4M5N6O7P8Q9R0S1T?pwd=wxy8

在经过近一个月的排查之后，

https://pan.baidu.com/s/6F7G8H9I0J1K2L3M4N5O?pwd=uvwx

https://pan.baidu.com/s/1A2B3C4D5E6F7G8H9I0J

我发现在关闭负载均衡之后，https://pan.baidu.com/s/7Y8Z9A0B1C2D3E4F5G6H
网络访问就可以恢复正常。https://pan.baidu.com/s/4W5X6Y7Z8A9B0C1D2E3F
【按照下图所示操作即可】https://pan.baidu.com/s/6F7G8H9I0J1K2L3M4N5O?pwd=uvwx
https://pan.baidu.com/s/8G9H0I1J2K3L4M5N6O7P?pwd=zabc

https://pan.baidu.com/s/8R0S1T2U3V4W5X6Y7Z8A

https://pan.baidu.com/s/1T2U3V4W5X6Y7Z8A9B0C
【最后别忘了点击页面底端的保存&应用】

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

https://pan.baidu.com/s/6F7G8H9I0J1K2L3M4N5O?pwd=hij3

https://pan.baidu.com/s/9I0J1K2L3M4N5O6P7Q8R?pwd=qrs6
重启路由之后，

https://pan.baidu.com/s/4M5N6O7P8Q9R0S1T2U3V?pwd=bcd0

就可以开开心心地上网冲浪了。

https://pan.baidu.com/s/4M5N6O7P8Q9R0S1T2U3V?pwd=bcd0

液！

https://pan.baidu.com/s/6F7G8H9I0J1K2L3M4N5O?pwd=uvwx https://pan.baidu.com/s/3E4F5G6H7I8J9K0L1M2N

https://pan.baidu.com/s/5W6X7Y8Z9A0B1C2D3E4F?pwd=efg0
https://pan.baidu.com/s/4M5N6O7P8Q9R0S1T2U3V?pwd=bcd0
还有一个更为简单的办法：

https://pan.baidu.com/s/2J3K4L5M6N7O8P9Q0R1S?pwd=klmn https://pan.baidu.com/s/1R2S3T4U5V6W7X8Y9Z0A?pwd=qrst

用root账户登录ssh之后，

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

service mwan3 stophttps://pan.baidu.com/s/1J2K3L4M5N6O7P8Q9R0S?pwd=tuv7
service mwan3 disablehttps://pan.baidu.com/s/6N7O8P9Q0R1S2T3U4V5W?pwd=abcd
结束战斗~https://pan.baidu.com/s/4W5X6Y7Z8A9B0C1D2E3F

https://pan.baidu.com/s/4N5O7P8Q9R0S1T2U3V4W

https://pan.baidu.com/s/1J2K3L4M5N6O7P8Q9R0S?pwd=tuv7

https://pan.baidu.com/s/2B3C4D5E6F7G8H9I0J1K?pwd=vwx9

https://pan.baidu.com/s/2T3U4V5W6X7Y8Z9A0B1C?pwd=wxy7

https://pan.baidu.com/s/9A0B1C2D3E4F5G6H7I8J?pwd=qrs4

https://pan.baidu.com/s/6Y7Z8A9B0C1D2E3F4G5H

https://pan.baidu.com/s/8Q9R0S1T2U3V4W5X6Y7Z?pwd=nop4

https://pan.baidu.com/s/9H0I1J2K3L4M5N6O7P8Q?pwd=cdef