（求助）Ubuntu 8.04安装xl2tpd后 无法建立vpn连接

[looklook]

日志
xl2tpd-D
xl2tpd[27491]: This binary does not support kernel L2TP.
xl2tpd[27491]: xl2tpd version xl2tpd-1.1.12 started on yang-x31 PID:27491
xl2tpd[27491]: Written by Mark Spencer, Copyright (C) 1998, Adtran, Inc.
xl2tpd[27491]: Forked by Scott Balmos and David Stipp, (C) 2001
xl2tpd[27491]: Inherited by Jeff McAdams, (C) 2002
xl2tpd[27491]: Forked again by Xelerance (www.xelerance.com) (C) 2006
xl2tpd[27491]: Listening on IP address 0.0.0.0, port 1701

用这个启动xl2tpd
root@yang-x31:/var/run# /etc/init.d/xl2tpd start
之后
root@yang-x31:/var/run/xl2tpd# ps -ef |grep xl2
root 27447 1 0 15:29 ? 00:00:00 /usr/sbin/xl2tpd
root 27465 22933 0 15:29 pts/2 00:00:00 grep xl2
应该说明xl2tpd进程已经起来了阿