Loading... 之前，介绍过通过搭建derp+tailscale组建VPN网络。最近，在新增一个节点的时候，该节点也加入了网络，但是无法ping通其他地址，也不能被别人ping通。 # 运行tailscale status。有异常。 ``` # Health check: # - router: 6 add route failures; first was: network is down # - Some peers are advertising routes but --accept-routes is false ``` # 查看tailscaled服务，systemctl status tailscaled。看起来也没啥问题。 ``` ● tailscaled.service - Tailscale node agent Loaded: loaded (/usr/lib/systemd/system/tailscaled.service; enabled; vendor preset: disabled) Active: active (running) since Mon 2023-10-23 15:36:22 CST; 1 weeks 3 days ago Docs: https://tailscale.com/kb/ Process: 9778 ExecStartPre=/usr/sbin/tailscaled --cleanup (code=exited, status=0/SUCCESS) Main PID: 9820 (tailscaled) Status: "Connected; jacky; fd7a:115c:a1e0::8 100.64.0.8" Tasks: 11 Memory: 40.8M CGroup: /system.slice/tailscaled.service └─9820 /usr/sbin/tailscaled --state=/var/lib/tailscale/tailscaled.state --socket=/run/tailscale... ``` # 查看tailscale0接口信息。该接口无法拿到ip地址。 ``` 51: tailscale0: <POINTOPOINT,MULTICAST,NOARP> mtu 1280 qdisc pfifo_fast state DOWN group default qlen 500 link/none ``` # tcpdump抓从别处过来的包。能收到包，但是ping显示不通。 ``` journalctl -xeu tailscaled -f Nov 03 13:48:54 ecs-4508 tailscaled[9820]: Accept: ICMPv4{100.64.0.2:0 > 100.64.0.8:0} 84 icmp ok Nov 03 13:49:04 ecs-4508 tailscaled[9820]: Accept: ICMPv4{100.64.0.2:0 > 100.64.0.8:0} 84 icmp ok Nov 03 13:49:14 ecs-4508 tailscaled[9820]: Accept: ICMPv4{100.64.0.2:0 > 100.64.0.8:0} 84 icmp ok Nov 03 13:49:24 ecs-4508 tailscaled[9820]: Accept: ICMPv4{100.64.0.2:0 > 100.64.0.8:0} 84 icmp ok ``` # 查看路由表。 ``` ip route show table 52 空的 ``` 最终，通过重启tailscaled服务解决。 ``` [root@ecs-4508 iproute2]# systemctl restart tailscaled ``` # 查看接口信息 ``` 96: tailscale0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1280 qdisc pfifo_fast state UNKNOWN group default qlen 500 link/none inet 100.64.0.8/32 scope global tailscale0 valid_lft forever preferred_lft forever ``` # 查看路由表 ``` [root@ecs-4508 iproute2]# ip route show table 52 100.64.0.2 dev tailscale0 100.100.100.100 dev tailscale0 ``` 最后修改：2023 年 11 月 03 日 © 允许规范转载 赞 如果觉得我的文章对你有用，请随意赞赏