debian下用wvdial拨号，通过手机上网，每2分钟就掉线(已解决，见网络技术版）

ls400

debian下用wvdial拨号，通过手机上网，每2分钟就掉线
/var/log/messages中的信息：
pppd 2.4.4 started by root, uid 0
Using interface ppp0
Connect: ppp0 <--> /dev/ttyACM0
appear to have received our own echo-reply!
Remote message: PAP access OK
PAP authentication succeeded
replacing old default route to eth1 [172.16.9.1]
local  IP address 10.239.165.140
remote IP address 10.239.165.0
primary   DNS address 211.138.200.69
secondary DNS address 211.103.13.101
appear to have received our own echo-reply!
appear to have received our own echo-reply!
appear to have received our own echo-reply!
No response to 4 echo-requests
Serial link appears to be disconnected.
Connect time 1.8 minutes.
Sent 9178 bytes, received 30508 bytes.
Connection terminated.
Exit.
这一句：No response to 4 echo-requests，但不知道是在ping哪里啊？

查pppd的出错代码：The link was terminated because the peer is  not  responding  to echo requests.
同上面的出错信息一致，但不知道是哪里没反应啊？

[ Edited by  ls400 on 2008-8-18 15:10 ]