我正在尝试在我们的 Ubuntu 22.04 服务器上配置 L2TP 客户端。我已配置凭据，并在日志中看到以下错误
May 2 09:31:39 nl-live NetworkManager[31815]: xl2tpd[31815]: Can not find tunnel 101 (refhim=0)
May 2 09:31:39 nl-live NetworkManager[31815]: xl2tpd[31815]: network_thread: unable to find call or tunnel to handle packet. call = 39479, tunnel = 101 Dumping.
May 2 09:31:40 nl-live NetworkManager[31815]: xl2tpd[31815]: Can not find tunnel 12 (refhim=0)
May 2 09:31:40 nl-live NetworkManager[31815]: xl2tpd[31815]: network_thread: unable to find call or tunnel to handle packet. call = 39479, tunnel = 12 Dumping.
May 2 09:31:40 nl-live NetworkManager[31815]: xl2tpd[31815]: Can not find tunnel 101 (refhim=0)
May 2 09:31:40 nl-live NetworkManager[31815]: xl2tpd[31815]: network_thread: unable to find call or tunnel to handle packet. call = 39479, tunnel = 101 Dumping.
May 2 09:31:42 nl-live NetworkManager[31815]: xl2tpd[31815]: Can not find tunnel 12 (refhim=0)
May 2 09:31:42 nl-live NetworkManager[31815]: xl2tpd[31815]: network_thread: unable to find call or tunnel to handle packet. call = 39479, tunnel = 12 Dumping.
May 2 09:31:42 nl-live NetworkManager[31815]: xl2tpd[31815]: Can not find tunnel 101 (refhim=0)
May 2 09:31:42 nl-live NetworkManager[31815]: xl2tpd[31815]: network_thread: unable to find call or tunnel to handle packet. call = 39479, tunnel = 101 Dumping.
May 2 09:31:46 nl-live NetworkManager[31815]: xl2tpd[31815]: Can not find tunnel 101 (refhim=0)
May 2 09:31:46 nl-live NetworkManager[31815]: xl2tpd[31815]: network_thread: unable to find call or tunnel to handle packet. call = 39479, tunnel = 101 Dumping.
May 2 09:31:46 nl-live NetworkManager[31815]: xl2tpd[31815]: Can not find tunnel 12 (refhim=0)
May 2 09:31:46 nl-live NetworkManager[31815]: xl2tpd[31815]: network_thread: unable to find call or tunnel to handle packet. call = 39479, tunnel = 12 Dumping.
知道我遗漏了什么吗？
我还发现，当我启用 VPN 时，我对网络管理器界面所做的任何更改都不会持久并恢复为先前的值。
例如，如果之前的 VPN 连接名称是VPN OLD“VPN NEW”，则将 VPN 名称更改为“VPN NEW”并尝试启用 VPN，该名称将恢复为VPN OLD。
任何关于如何解决这个问题的帮助都会非常有用，谢谢
答案1
您需要升级到 xl2tpd 1.3.16-1ubuntu0.1 或更高版本，例如：
sudo apt update
sudo apt upgrade xl2tpd
我还建议安装较新的 network-manager-l2tp (和 network-manager-l2tp-gnome) 包：
sudo apt upgrade我不知道重命名出了什么问题，但升级所有软件包不会有什么坏处，甚至可能修复重命名问题。