ubuntu信号时有时无

[hahahuilei]

我的ubuntu时9.04版本的~本来第一次装，没在意把受限制的显卡驱动删了~没办法，本人菜鸟把ubuntu从新装了~接下来，就跟新了呗~到晚上的时候，跟新速度很慢很慢，firefox经常是 无法在XXX.XXX.COM网站找到服务器，过会好了，然后又是几个页面打开后出现同样问题~哎~我以为是DNS问题，就把DNS改成OPENDNS,可是问题还没得到解决~而且跟新的时候会无故没信号~
本来那个硬件驱动跟新也没法再装入 9600GT的加速驱动了~我不知道什么原因了~哎·请哪个达人解决下！！！！！！

i do"plog" to see net situation ,

administrator@ubuntu:~$ plog
Apr 28 00:57:28 ubuntu pppd[3656]: Using interface ppp1
Apr 28 00:57:28 ubuntu pppd[3656]: Connect: ppp1 <--> eth0
Apr 28 00:57:28 ubuntu pppd[3656]: CHAP authentication succeeded: Authentication success,Welcome!
Apr 28 00:57:28 ubuntu pppd[3656]: CHAP authentication succeeded
Apr 28 00:57:28 ubuntu pppd[3656]: peer from calling number 00:E0:FC:6E:BA:DF authorized
Apr 28 00:57:28 ubuntu pppd[3656]: Cannot determine ethernet address for proxy ARP
Apr 28 00:57:28 ubuntu pppd[3656]: local IP address 117.88.136.150
Apr 28 00:57:28 ubuntu pppd[3656]: remote IP address 117.88.136.1
Apr 28 00:57:28 ubuntu pppd[3656]: primary DNS address 218.2.135.1
Apr 28 00:57:28 ubuntu pppd[3656]: secondary DNS address 61.147.37.1
administrator@ubuntu:~$ plog
Apr 28 00:57:28 ubuntu pppd[3656]: Using interface ppp1
Apr 28 00:57:28 ubuntu pppd[3656]: Connect: ppp1 <--> eth0
Apr 28 00:57:28 ubuntu pppd[3656]: CHAP authentication succeeded: Authentication success,Welcome!
Apr 28 00:57:28 ubuntu pppd[3656]: CHAP authentication succeeded
Apr 28 00:57:28 ubuntu pppd[3656]: peer from calling number 00:E0:FC:6E:BA:DF authorized
Apr 28 00:57:28 ubuntu pppd[3656]: Cannot determine ethernet address for proxy ARP
Apr 28 00:57:28 ubuntu pppd[3656]: local IP address 117.88.136.150
Apr 28 00:57:28 ubuntu pppd[3656]: remote IP address 117.88.136.1
Apr 28 00:57:28 ubuntu pppd[3656]: primary DNS address 218.2.135.1
Apr 28 00:57:28 ubuntu pppd[3656]: secondary DNS address 61.147.37.1
administrator@ubuntu:~$ plog
Apr 28 00:57:28 ubuntu pppd[3656]: local IP address 117.88.136.150
Apr 28 00:57:28 ubuntu pppd[3656]: remote IP address 117.88.136.1
Apr 28 00:57:28 ubuntu pppd[3656]: primary DNS address 218.2.135.1
Apr 28 00:57:28 ubuntu pppd[3656]: secondary DNS address 61.147.37.1
Apr 28 00:59:35 ubuntu pppd[2160]: No response to 4 echo-requests
Apr 28 00:59:35 ubuntu pppd[2160]: Serial link appears to be disconnected.
Apr 28 00:59:35 ubuntu pppd[2160]: Connect time 5.0 minutes.
Apr 28 00:59:35 ubuntu pppd[2160]: Sent 63111 bytes, received 1877840 bytes.
Apr 28 00:59:41 ubuntu pppd[2160]: Connection terminated.
Apr 28 00:59:41 ubuntu pppd[2160]: Modem hangup
administrator@ubuntu:~$

[soiamso]

为什么是信号？无线的吗？

[hahahuilei]

you