can`t use zjunet to connect internet

[seashore001x]

[INFO] Starting xl2tpd
Starting xl2tpd: Fail to start xl2tpd
[INFO] Login using dairy354
Fail to bring up ppp, timeout.
[INFO] try disconnecting zju-l2tp-dairy354
[INFO] xl2tpd-control done
Unable to open /var/run/xl2tpd/l2tp-control for writing: No such file or directory
[INFO] Setting up ip route.
default via 10.75.8.1 dev eth1
10.75.8.0/22 dev eth1 proto kernel scope link src 10.75.8.252 metric 1