这是一个创建于 5146 天前的主题，其中的信息可能已经有所发展或是发生改变。
不知道从什么时候开始就没法使用任何vpn了 pptp/ovpn/l2tp...
症状都是无错误timeout 确定服务器端正常
因为在此网络环境下之前是可以连接vpn的
觉得应该是系统的问题 大概是ppp坏掉了?
求高人帮忙啊 > <
以下是尝试连接pptp的log:
10/4/11 7:52:29.415 AM configd: SCNC: start, triggered by SystemUIServer, type PPTP, status 0
10/4/11 7:52:29.617 AM pppd: pppd 2.4.2 (Apple version 560.1) started by chrome, uid 501
10/4/11 7:52:29.673 AM pppd: PPTP connecting to server 'xxxxxxxx' (69.172.xxx.xxx)...
10/4/11 7:52:29.930 AM pppd: PPTP connection established.
10/4/11 7:52:29.942 AM pppd: Connect: ppp0 <--> socket[34:17]
10/4/11 7:52:59.975 AM pppd: LCP: timeout sending Config-Requests
10/4/11 7:52:59.977 AM pppd: Connection terminated.
10/4/11 7:53:00.011 AM pppd: PPTP disconnecting...
10/4/11 7:53:00.011 AM pppd: PPTP disconnected
症状都是无错误timeout 确定服务器端正常
因为在此网络环境下之前是可以连接vpn的
觉得应该是系统的问题 大概是ppp坏掉了?
求高人帮忙啊 > <
以下是尝试连接pptp的log:
10/4/11 7:52:29.415 AM configd: SCNC: start, triggered by SystemUIServer, type PPTP, status 0
10/4/11 7:52:29.617 AM pppd: pppd 2.4.2 (Apple version 560.1) started by chrome, uid 501
10/4/11 7:52:29.673 AM pppd: PPTP connecting to server 'xxxxxxxx' (69.172.xxx.xxx)...
10/4/11 7:52:29.930 AM pppd: PPTP connection established.
10/4/11 7:52:29.942 AM pppd: Connect: ppp0 <--> socket[34:17]
10/4/11 7:52:59.975 AM pppd: LCP: timeout sending Config-Requests
10/4/11 7:52:59.977 AM pppd: Connection terminated.
10/4/11 7:53:00.011 AM pppd: PPTP disconnecting...
10/4/11 7:53:00.011 AM pppd: PPTP disconnected
 | 1 percent5 2011-10-05 12:03:11 +08:00 ppp连接建立不起来，最普遍的情况应该是路由不支持vpn通道的穿越。 |
 | 2 pepsin 2011-10-05 13:50:14 +08:00 L2TP 共享秘钥试试，mac 默认的vpn是 pptp 的，调整到 L2TP 后就好了 |
 | 3 lamengao 2011-10-05 14:08:09 +08:00 我遇到过类似的问题。当我把系统的MTU值改小一点(比如1450)后就正常了。 |
 | 4 leoface 2011-10-05 15:31:01 +08:00 ipod只成功连上过2,3次vpn，之后就再也连不上了。同样的账号在电脑就可以。很奇怪。 |
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