Network problem

[黄文圃]

I am now dual booting Ubuntu8.04 and Windows2000.
A period of time ago I could access the Internet using Ubuntu. But  
suddenly I lost the connection. I typed commands "ifconfig" and "route"
(with no parameters). Here is the response,
ifconfig
eth0      Link encap:Ethernet  HWaddr 00:0d:87:33:7a:dc
           inet addr:192.168.0.185  Bcast:192.168.0.255  Mask:255.255.255.0
           inet6 addr: fe80::20d:87ff:fe33:7adc/64 Scope:Link
           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
           RX packets:94 errors:0 dropped:0 overruns:0 frame:0
           TX packets:42 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:1000
           RX bytes:8861 (8.6 KB)  TX bytes:5063 (4.9 KB)
           Interrupt:16 Base address:0xe800

lo        Link encap:Local Loopback
           inet addr:127.0.0.1  Mask:255.0.0.0
           inet6 addr: ::1/128 Scope:Host
           UP LOOPBACK RUNNING  MTU:16436  Metric:1
           RX packets:1102 errors:0 dropped:0 overruns:0 frame:0
           TX packets:1102 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:0
           RX bytes:55100 (53.8 KB)  TX bytes:55100 (53.8 KB)

route
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use  
Iface
192.168.0.0     *               255.255.255.0   U     0      0        0  
eth0
link-local      *               255.255.0.0     U     1000   0        0  
eth0
default         192.168.0.1     0.0.0.0         UG    100    0        0  
eth0

And I still can surf Internet using Windows2000 with DNS  
202.113.16.10,Gateway 192.168.0.1
Can anyone there help me? Thank you very much!
	
	Mike Huang from China
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