通过inode连接vpn，有同事的vpn会连上马上断开，请教是什么原因
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问题描述：
路由器ER3208
通过inode连接vpn，有同事的vpn会连上马上断开，请教是什么原因
下面是日志：
Thu Jul 7 21:26:10 2022 ***.*** VPN:连接已关闭:101.87.108.17,端口55228(%s)
Thu Jul 7 21:25:20 2022 daemon.notice VPN:连接终止
Thu Jul 7 21:24:14 2022 daemon.notice VPN:对端虚拟模板接口地址10.0.0.4
Thu Jul 7 21:24:14 2022 daemon.notice VPN:本端虚拟模板接口地址10.0.0.1
Thu Jul 7 21:24:09 2022 daemon.notice VPN:与101.87.108.17,55228连接已建立。本端隧道编号:24310,对端隧道编号:1。LNS会话:S_1
Thu Jul 7 21:23:12 2022 ***.*** VPN:连接已关闭:101.87.108.17,端口55963(%s)
Thu Jul 7 21:23:08 2022 daemon.notice VPN:连接终止
Thu Jul 7 21:22:05 2022 daemon.notice VPN:对端虚拟模板接口地址10.0.0.4
Thu Jul 7 21:22:05 2022 daemon.notice VPN:本端虚拟模板接口地址10.0.0.1
Thu Jul 7 21:22:01 2022 daemon.notice VPN:与101.87.108.17,55963连接已建立。本端隧道编号:62981,对端隧道编号:1。LNS会话:S_1
Thu Jul 7 21:21:57 2022 daemon.notice VPN:连接终止
Thu Jul 7 21:21:55 2022 ***.*** VPN:连接已关闭:101.87.108.17,端口54464(%s)
Thu Jul 7 21:21:51 2022 ***.*** VPN:连接已关闭:101.87.108.17,端口54464(Timeout)
Thu Jul 7 21:20:24 2022 daemon.notice VPN:对端虚拟模板接口地址10.0.0.4
Thu Jul 7 21:20:24 2022 daemon.notice VPN:本端虚拟模板接口地址10.0.0.1
Thu Jul 7 21:20:20 2022 daemon.notice VPN:与101.87.108.17,54464连接已建立。本端隧道编号:35961,对端隧道编号:1。LNS会话:S_1
Thu Jul 7 21:20:05 2022 ***.*** VPN:连接已关闭:101.87.108.17,端口56612(%s)
Thu Jul 7 21:20:01 2022 daemon.notice VPN:连接终止
Thu Jul 7 21:18:58 2022 daemon.notice VPN:对端虚拟模板接口地址10.0.0.4
Thu Jul 7 21:18:58 2022 daemon.notice VPN:本端虚拟模板接口地址10.0.0.1
Thu Jul 7 21:18:54 2022 daemon.notice VPN:与101.87.108.17,56612连接已建立。本端隧道编号:59163,对端隧道编号:1。LNS会话:S_1
Thu Jul 7 21:18:48 2022 ***.*** VPN:连接已关闭:101.87.108.17,端口56036(%s)
Thu Jul 7 21:18:44 2022 ***.*** VPN:连接已关闭:101.87.108.17,端口56036(Timeout)
Thu Jul 7 21:18:23 2022 daemon.notice VPN:连接终止
Thu Jul 7 21:17:17 2022 daemon.notice VPN:对端虚拟模板接口地址10.0.0.4
Thu Jul 7 21:17:17 2022 daemon.notice VPN:本端虚拟模板接口地址10.0.0.1
Thu Jul 7 21:17:13 2022 daemon.notice VPN:与101.87.108.17,56036连接已建立。本端隧道编号:44844,对端隧道编号:1。LNS会话:S_1
组网及组网描述：
- 2022-07-07提问
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将同事的inode升级为最新版本
- 2022-07-07回答
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已经是最新版本了，这两天刚下载的，同样版本，其它同事就没有这个问题
您好，打开iNode的日志，纪录查看一下
- 2022-07-07回答
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[2022-07-07 20:45:33] [Dbg] [5018] L2TP::Tunnel 1 Hello timer 60 second expired [2022-07-07 20:45:33] [Dbg] [5018] L2TP::Put AVP Message Type: HELLO [2022-07-07 20:45:33] [Dbg] [5018] L2TP::Tunnel 1 send ctrl message : Hello [2022-07-07 20:45:36] [Dbg] [5018] L2TP::Tunnel 1 proc ctrl ack timer expired, SendUp=5 SendLow=4 [2022-07-07 20:45:36] [Dbg] [5018] L2TP::Tunnel 1 resend the ctrl message:Ns(4) 1 times [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::Tunnel 1 Flow ctrl: Ns(2) Nr(4) from peer [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::Tunnel 1 (SendLow=4 SendUp=5) proc ack Nr=4 from peer [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::receive HELLO msg from LNS. [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP:: I Tunnel 1 rcv Hello in state 4 [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::Tunnel 1 Flow ctrl: Ns(3) Nr(5) from peer [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::Tunnel 1 (SendLow=4 SendUp=5) proc ack Nr=5 from peer [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::Tunnel 1 recv a proper:Nr(5) and clear [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::Tunnel 1 send window empty, turn off the ack timer [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::receive CDN msg from LNS. [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::Tunnel 1 Resume 60 second Hello timer [2022-07-07 20:45:43] [Dbg] [1c84] L2TP:: O Tunnel 1 Send StopCCN to Tunnel 26747 [2022-07-07 20:45:43] [Dbg] [1c84] L2TP::Put AVP Message Type: STOP_CONTROL_CONNECTION_NOTIFICATION [2022-07-07 20:45:43] [Dbg] [1c84] L2TP::Put AVP Assigned Tunnel ID: 1 [2022-07-07 20:45:43] [Dbg] [1c84] L2TP::Put AVP Result code: LOSS_OF_CARRIER [2022-07-07 20:45:43] [Dbg] [1c84] L2TP::Clear Tunnel remote ID:26747, local ID:1 [2022-07-07 20:45:43] [Dbg] [1c84] L2TP send disconnect msg to our protocol stack.
inode日志看不懂呢，大佬帮忙看一下： [2022-07-07 20:45:33] [Dbg] [5018] L2TP::Tunnel 1 Hello timer 60 second expired [2022-07-07 20:45:33] [Dbg] [5018] L2TP::Put AVP Message Type: HELLO [2022-07-07 20:45:33] [Dbg] [5018] L2TP::Tunnel 1 send ctrl message : Hello [2022-07-07 20:45:36] [Dbg] [5018] L2TP::Tunnel 1 proc ctrl ack timer expired, SendUp=5 SendLow=4 [2022-07-07 20:45:36] [Dbg] [5018] L2TP::Tunnel 1 resend the ctrl message:Ns(4) 1 times [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::Tunnel 1 Flow ctrl: Ns(2) Nr(4) from peer [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::Tunnel 1 (SendLow=4 SendUp=5) proc ack Nr=4 from peer [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::receive HELLO msg from LNS. [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP:: I Tunnel 1 rcv Hello in state 4 [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::Tunnel 1 Flow ctrl: Ns(3) Nr(5) from peer [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::Tunnel 1 (SendLow=4 SendUp=5) proc ack Nr=5 from peer [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::Tunnel 1 recv a proper:Nr(5) and clear [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::Tunnel 1 send window empty, turn off the ack timer [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::receive CDN msg from LNS. [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::Tunnel 1 Resume 60 second Hello timer [2022-07-07 20:45:43] [Dbg] [1c84] L2TP:: O Tunnel 1 Send StopCCN to Tunnel 26747 [2022-07-07 20:45:43] [Dbg] [1c84] L2TP::Put AVP Message Type: STOP_CONTROL_CONNECTION_NOTIFICATION [2022-07-07 20:45:43] [Dbg] [1c84] L2TP::Put AVP Assigned Tunnel ID: 1 [2022-07-07 20:45:43] [Dbg] [1c84] L2TP::Put AVP Result code: LOSS_OF_CARRIER [2022-07-07 20:45:43] [Dbg] [1c84] L2TP::Clear Tunnel remote ID:26747, local ID:1 [2022-07-07 20:45:43] [Dbg] [1c84] L2TP send disconnect msg to our protocol stack.
[2022-07-07 20:45:33] [Dbg] [5018] L2TP::Tunnel 1 Hello timer 60 second expired [2022-07-07 20:45:33] [Dbg] [5018] L2TP::Put AVP Message Type: HELLO [2022-07-07 20:45:33] [Dbg] [5018] L2TP::Tunnel 1 send ctrl message : Hello [2022-07-07 20:45:36] [Dbg] [5018] L2TP::Tunnel 1 proc ctrl ack timer expired, SendUp=5 SendLow=4 [2022-07-07 20:45:36] [Dbg] [5018] L2TP::Tunnel 1 resend the ctrl message:Ns(4) 1 times [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::Tunnel 1 Flow ctrl: Ns(2) Nr(4) from peer [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::Tunnel 1 (SendLow=4 SendUp=5) proc ack Nr=4 from peer [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::receive HELLO msg from LNS. [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP:: I Tunnel 1 rcv Hello in state 4 [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::Tunnel 1 Flow ctrl: Ns(3) Nr(5) from peer [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::Tunnel 1 (SendLow=4 SendUp=5) proc ack Nr=5 from peer [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::Tunnel 1 recv a proper:Nr(5) and clear [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::Tunnel 1 send window empty, turn off the ack timer [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::receive CDN msg from LNS. [2022-07-07 20:45:39] [Dbg] [3bf4] L2TP::Tunnel 1 Resume 60 second Hello timer [2022-07-07 20:45:43] [Dbg] [1c84] L2TP:: O Tunnel 1 Send StopCCN to Tunnel 26747 [2022-07-07 20:45:43] [Dbg] [1c84] L2TP::Put AVP Message Type: STOP_CONTROL_CONNECTION_NOTIFICATION [2022-07-07 20:45:43] [Dbg] [1c84] L2TP::Put AVP Assigned Tunnel ID: 1 [2022-07-07 20:45:43] [Dbg] [1c84] L2TP::Put AVP Result code: LOSS_OF_CARRIER [2022-07-07 20:45:43] [Dbg] [1c84] L2TP::Clear Tunnel remote ID:26747, local ID:1 [2022-07-07 20:45:43] [Dbg] [1c84] L2TP send disconnect msg to our protocol stack.
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