mandrake.

i do not have eth0 interface whereas i have sit0.
could i able to connect to internet.


[root@g05 ~]# ifconfig -a
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:11225 errors:0 dropped:0 overruns:0 frame:0
TX packets:11225 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:6141457 (5.8 MiB) TX bytes:6141457 (5.8 MiB)

sit0 Link encap:IPv6-in-IPv4
inet addr:10.25.240.230 Mask:255.0.0.0
inet6 addr: ::10.25.240.230/96 Scope:Compat
inet6 addr: ::127.0.0.1/96 Scope:Unknown
inet6 addr: ::172.16.10.6/96 Scope:Compat
inet6 addr: ::10.255.240.230/96 Scope:Compat
UP RUNNING NOARP MTU:1480 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:1 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)

[root@g05 ~]#


and what is sit0 .can u pls explanin now.

It's not a real physical network adaptor so you can't use it instead of eth0. sit0 is the generic tunnel device. It's used when setting up IPv6 connections that tunnel through a normal IPv4 connection.