由 极光飞羽 在 09-02-2003 13:06 发表:
[怪问题]adsl在linux下能上网， 有些网页能打开，有些网页打不开，比如163.com
系统为rh9.0，adsl采用pppoe拨号。在系统工具--互联网设置向导中设置好了xDSL的连接为ppp0, 启动的时候就eth0设为不活动，ppp0设为活动。但现在只有少数的网页能打开，多数的网页打不开。浏览器Mozilla 1.21，已经装好了flash5.0的插件。
这是我的adsl-status，上面显示出已经拨号成功。
[root@linuxant root]# adsl-status
Note: You have enabled demand-connection; adsl-status may be inaccurate.
adsl-status: Link is up and running on interface ppp0
ppp0 Link encap:Point-to-Point Protocol
inet addr:219.153.113.55 P-t-P:219.153.112.1 Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1492 Metric:1
RX packets:252 errors:0 dropped:0 overruns:0 frame:0
TX packets:289 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:3
RX bytes:134627 (131.4 Kb) TX bytes:51922 (50.7 Kb)
现在的情况是我上linuxsir和linuxfans一点问题也没有，如果去sina/163/sohu/chinaren/这些一个都打不开，而且Mozilla还会死。下面是我用ping命令ping出来的结果。
[root@linuxant root]# ping www.sina.com.cn
PING taurus.sina.com.cn (61.172.201.234) 56(84) bytes of data.
64 bytes from 61.172.201.234: icmp_seq=1 ttl=52 time=306 ms
64 bytes from 61.172.201.234: icmp_seq=2 ttl=52 time=314 ms
64 bytes from 61.172.201.234: icmp_seq=3 ttl=52 time=309 ms
64 bytes from 61.172.201.234: icmp_seq=4 ttl=52 time=306 ms
64 bytes from 61.172.201.234: icmp_seq=5 ttl=52 time=307 ms
64 bytes from 61.172.201.234: icmp_seq=6 ttl=52 time=308 ms
64 bytes from 61.172.201.234: icmp_seq=7 ttl=52 time=306 ms
64 bytes from 61.172.201.234: icmp_seq=8 ttl=52 time=310 ms
64 bytes from 61.172.201.234: icmp_seq=9 ttl=52 time=306 ms
sina ping得通，但还是打不开
[root@linuxant root]# ping www.linuxsir.com
PING www.linuxsir.com (211.93.98.22) 56(84) bytes of data.
64 bytes from 211.93.98.22: icmp_seq=5 ttl=240 time=135 ms
[root@linuxant root]# ping www.linuxfans.org
PING www.linuxfans.org (211.96.97.22) 56(84) bytes of data.
linuxfans ping都ping不通，竟然还可以上，好奇怪。
[root@linuxant root]# ping www.163.com
PING <a href="http://www.163.com/default.htm" target="_blank