help needed for Ubuntu 8.04 on HP 6720s notebook

[Abhishek Bawkar]

Hi Brian,

I confirmed it again on windows settings, there are as mentioned below,

*IP address:      100.100.102.192*
*Subnet mask:  255.255.255.0*
*Gateway:        100.100.100.1*
*DNS:               100.100.100.1*
And, with these settings, my internet connection works fine on both, Laptop
and Desktop. I use the same connection either on Laptop or on desktop at a
time. On both the machines it works fine on windows.

But, it's not working on Ubuntu. I could setup my desktop as Proxy, but i
want direct connection on my laptop.

> If your gateway is outside the LAN of your eth card, then you'd have
> to add a static route to get there, which is possible I suppose, but
> I'm betting on a typo.
By *adding a static route*, did you mean
this<http://www.pcbuyersguide.co.za/showthread.php?t=6927>
??

What care should I take, if i do add a static route??

I have *tried* changing *Subnet mask* to* 255.255.254.0,* didn't make any
difference. :-(

Secondly, if you are thinking so, there is NO issue of MAC address, b'coz I
use the same connection on both laptop and desktop, one at a time, i.e my
ISP doesn't register MAC address against my username and password.

Please let me know your comments ASAP.

Thanks for the help.

Abhishek

On Sat, Sep 6, 2008 at 8:06 PM, Brian McKee <brian.mckee at gmail.com> wrote:

> On Sat, Sep 6, 2008 at 10:33 AM, Brian McKee <brian.mckee at gmail.com>
> wrote:
> > On Sat, Sep 6, 2008 at 2:23 AM, Abhishek Bawkar
> > <abhishek.linux4me at googlemail.com> wrote:
> >> iface eth0 inet static
> >> address 100.100.102.192
> >> netmask 255.255.255.0
> >> gateway 100.100.100.1
> >
> > Shouldn't that be gateway 100.100.102.1 not 100.1 ?  (or maybe the
> > address should be 100.192 not 102.192)  Your gateway is not in the
> > default subnet.
> >
> > If your gateway is outside the LAN of your eth card, then you'd have
> > to add a static route to get there, which is possible I suppose, but
> > I'm betting on a typo.
>
> Actually, on further reflection - I suppose the whole problem could be
> the netmask - a larger netmask would put the address and the gateway
> on the same subnet.
>
> At any rate, hopefully you see what I mean - check your settings
> against what's working in Windows.
>
> Brian
>
> (and don't ask me about proxy ARP :-)
>
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