你好，感谢你的脚本。
我解决了很多的问题，但是现在还是有一个非常麻烦的问题。
我的小米手机在连接IPSEC L2TP时，会固定在1.1分钟后断开，我网上搜索了很久，这个问题好像是安卓手机自身的问题。
请问是否有安卓的L2TP VPN客户端？不使用自带VPN应用是否有可能有好转呢？Aug 30 18:09:06 VPN-SG pppd[20149]: Plugin pppol2tp.so loaded.Aug 30 18:09:06 VPN-SG pppd[20149]: pppd 2.4.7 started by root, uid 0Aug 30 18:09:06 VPN-SG pppd[20149]: Using interface ppp0Aug 30 18:09:06 VPN-SG pppd[20149]: Connect: ppp0 Aug 30 18:09:06 VPN-SG pppd[20149]: Overriding mtu 1500 to 1280Aug 30 18:09:06 VPN-SG pppd[20149]: Overriding mru 1500 to mtu value 1280Aug 30 18:09:06 VPN-SG pppd[20149]: Overriding mtu 1400 to 1280Aug 30 18:09:06 VPN-SG pppd[20149]: Cannot determine ethernet address for proxy ARPAug 30 18:09:06 VPN-SG pppd[20149]: local IP address 172.17.42.1Aug 30 18:09:06 VPN-SG pppd[20149]: remote IP address 172.17.42.10Aug 30 18:10:10 VPN-SG xl2tpd[15219]: Maximum retries exceeded for tunnel 59987. Closing.Aug 30 18:10:10 VPN-SG xl2tpd[15219]: Terminating pppd: sending TERM signal to pid 20149Aug 30 18:10:10 VPN-SG xl2tpd[15219]: Connection 43033 closed to 113.111.53.144, port 43647 (Timeout)Aug 30 18:10:10 VPN-SG pppd[20149]: Terminating on signal 15Aug 30 18:10:10 VPN-SG pppd[20149]: Connect time 1.1 minutes.Aug 30 18:10:10 VPN-SG pppd[20149]: Sent 97773 bytes, received 26153 bytes.Aug 30 18:10:10 VPN-SG pppd[20149]: Overriding mtu 1500 to 1280Aug 30 18:10:10 VPN-SG pppd[20149]: Overriding mru 1500 to mtu value 1280Aug 30 18:10:11 VPN-SG pppd[20149]: Connection terminated.Aug 30 18:10:11 VPN-SG pppd[20149]: Exit.Aug 30 18:10:15 VPN-SG xl2tpd[15219]: Unable to deliver closing message for tunnel 59987. Destroying anyway.
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