3.2-iso can not connect (use DHCP) internet

[wangcity]

i have two pc , first is DHCP server use windows2000, it use ADSL moden(USB interface). The second use Knoppix 3.2--5.20 ISO.

but i can not use DHCP connect internet.
my NIC is 8139too, and knoppix can find it.
I ping 127.0.0.1 is ok, but can not ping 192.168.0.1

how can i do it ?

i already add nameserver in /etc/hosts, and edit reso...conf file , add gateway. and so on. at this time , can ping 192.168.0.1 but still can not get connect : like ping www.yahoo.com it's can not.

BTW: when i use 3.1 , is all can work fine.

thanks .