我把我的狀況貼出來:
HOST 端是 Android phone Tether , Firefox 正常使用:
eth0 Link encap:Ethernet HWaddr 00:16:d3:ca:e0:8b
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Memory:fe000000-fe020000

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:4562 errors:0 dropped:0 overruns:0 frame:0
TX packets:4562 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:357320 (357.3 KB) TX bytes:357320 (357.3 KB)

usb0 Link encap:Ethernet HWaddr ba:50:c8:03:d3:db
inet addr:172.20.23.253 Bcast:172.20.23.255 Mask:255.255.255.252
inet6 addr: fe80::b850:c8ff:fe03:d3db/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:95737 errors:15 dropped:0 overruns:0 frame:15
TX packets:70631 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:126830662 (126.8 MB) TX bytes:11864162 (11.8 MB)



XP 端的 IE 不能用:

C:\Documents and Settings\Administrator>ipconfig /all

Windows IP Configuration

Host Name . . . . . . . . . . . . : 888tiger-e967cf
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Unknown
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

Ethernet adapter 區域連線:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : AMD PCNET Family Ethernet Adapter (P
CI)
Physical Address. . . . . . . . . : 08-00-27-65-11-0D
Dhcp Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Autoconfiguration IP Address. . . : 169.254.71.213
Subnet Mask . . . . . . . . . . . : 255.255.0.0
Default Gateway . . . . . . . . . :


VirtualBox 端只有把Ethernet 卡 設為 Bridge , 現在在試把USB0 設成Bridge.

最後結果還是不能在GUEST IE 上網.