Mailinglist Archive: opensuse-edu (132 mails)

["Mark Evans" <mpe@xxxxxxxxxxxxxxxxxxxxxxxxxxx>]

> On Wed, 26 Jun 2002, Mark Evans wrote:
> > > > PING 192.168.3.200 (192.168.3.200) from 192.168.3.200 : 56(84) bytes of data.
> > > > 64 bytes from 192.168.3.200: icmp_seq=1 ttl=255 time=0.180 ms
> > > Proves that eth0 interface is working, but proves nothing about routing to
> > > 192.168.0.0/255.255.252.0 network.
> > Not quite it shows that there is a driver loaded which is happy with
> > the hardware. This will work even if nothing is plugged in,
> > since the kernel sends this kind of thing through the loopback
> > interface anyway.
> 
> Depends how pedantic you want to be about the definition of the word
> "interface".  :-)

The practical upshot is that you can get a machine with a broken
NIC which can quite happily ping itself. If you are really 
unlucky the link LEDs will come on too.

-- 
Mark Evans
St. Peter's CofE High School
Phone: +44 1392 204764 X109
Fax: +44 1392 204763