各位请看我的问题，我们宿舍通过交换机连接无路由的ADSL modem上网，上网时某台先登上网络的主机做代理，我们的ip网关设成该主机
ip即可上网(无论是windows,还是ubuntu)。
但现在我的问题是，我先使用ubuntu上网，根据系统帮助文档的方法，我能够拨通网络，但发现做为主机的我都不能够ping通的网关，无论我使用的以太网是静态，还是dhcp都不能上网浏览。请看以下信息，谢谢帮助！！！
个人观点，似乎有arp协议的问题！！！
请高手指教！！！
//_______________________________________________________以太网ip使用dhcp
root@lover:~# sudo pon dsl-provider
Plugin rp-pppoe.so loaded.
root@lover:~# plog
Jan 3 14:09:26 lover pppd[7910]: Using interface ppp0
Jan 3 14:09:26 lover pppd[7910]: Connect: ppp0 <--> eth0
Jan 3 14:09:26 lover pppd[7910]: PAP authentication succeeded
Jan 3 14:09:26 lover pppd[7910]: peer from calling number 00:30:88:01:E3:15 authorized
Jan 3 14:09:26 lover pppd[7910]: Cannot determine ethernet address for proxy ARP
Jan 3 14:09:26 lover pppd[7910]: local IP address 60.174.137.166
Jan 3 14:09:26 lover pppd[7910]: remote IP address 60.174.128.1
Jan 3 14:09:26 lover pppd[7910]: primary DNS address 202.102.192.68
Jan 3 14:09:26 lover pppd[7910]: secondary DNS address 202.102.199.68
root@lover:~# ping 60.174.128.1
PING 60.174.128.1 (60.174.128.1) 56(84) bytes of data.
ping: sendmsg: Operation not permitted
ping: sendmsg: Operation not permitted
ping: sendmsg: Operation not permitted
//______________________________________________________以太网使用静态ip:192.168.1.3
root@lover:~# sudo pon dsl-provider
Plugin rp-pppoe.so loaded.
root@lover:~# plog
Jan 3 14:17:56 lover pppd[8398]: PAP authentication succeeded
Jan 3 14:17:56 lover pppd[8398]: peer from calling number 00:30:88:01:E3:15 authorized
Jan 3 14:17:57 lover pppd[8398]: not replacing existing default route via 192.168.1.3
Jan 3 14:17:57 lover pppd[8398]: Cannot determine ethernet address for proxy ARP
Jan 3 14:17:57 lover pppd[8398]: local IP address 60.174.134.196
Jan 3 14:17:57 lover pppd[8398]: remote IP address 60.174.128.1
Jan 3 14:17:57 lover pppd[8398]: primary DNS address 202.102.192.68
Jan 3 14:17:57 lover pppd[8398]: secondary DNS address 202.102.199.68
root@lover:~# ping 60.174.128.1
PING 60.174.128.1 (60.174.128.1) 56(84) bytes of data.
ping: sendmsg: Operation not permitted
ping: sendmsg: Operation not permitted
[问题]adsl上不 了网！！！
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bxwfy
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eexpress
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