<br><br><div class="gmail_quote">On Mon, Jan 10, 2011 at 11:49 AM, andu novac <span dir="ltr"><<a href="mailto:novac.andu@gmail.com">novac.andu@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
On Mon, Jan 10, 2011 at 7:30 PM, andu novac <<a href="mailto:novac.andu@gmail.com">novac.andu@gmail.com</a>> wrote:<br>
> On Mon, Jan 10, 2011 at 7:21 PM, <a href="mailto:richardvoigt@gmail.com">richardvoigt@gmail.com</a><br>
> <<a href="mailto:richardvoigt@gmail.com">richardvoigt@gmail.com</a>> wrote:<br>
>><br>
>> On Mon, Jan 10, 2011 at 10:07 AM, andu novac <<a href="mailto:novac.andu@gmail.com">novac.andu@gmail.com</a>> wrote:<br>
>>><br>
>>> I'm trying to share an internet connection (pppoe) from one computer<br>
>>> to another via wifi (wlan0). I had this working fine before I upgraded<br>
>>> fron 32 to 64 bit Debian. The problem is that the computer on the wifi<br>
>>> network (the client) can reach some addresses (Google, Yahoo) but not<br>
>>> others where it hangs forever (Facebook). This setup I'm using is a<br>
>>> solution I found on the internet.<br>
>>><br>
>><br>
>> If the client can reach some addresses, it's not a dhcp issue, and probably<br>
>> not dns either, so dnsmasq is the last place I'd look.<br>
>> My crystal ball says you have an MTU problem. pppoe, like all tunnels,<br>
>> often reduces the MTU for tunneled traffic. If PTMU discovery isn't<br>
>> configured or working right on the client, there could be problems. Just<br>
>> turning the interface MTU on the client down by 40 bytes or so may resolve<br>
>> the issue.<br>
><br>
> I'd be glad to try that if you were kind enough to explain me how. So<br>
> this is the client computer you think?<br>
> Is this what I must do: ifconfig wlan0 mtu 1492 (or whatever will be)?<br>
<br>
Thanks, nice crystal ball, that did it!!<br></blockquote><div><br></div><div>You're welcome. However you would not say "nice crystal ball" if you saw the scratch marks it leaves on the furniture ;)</div></div>