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Re: Networking Problems


From: Anatoly A. Kazantsev
Subject: Re: Networking Problems
Date: Wed, 6 May 2009 09:43:31 +0700

On Tue, 5 May 2009 23:46:07 +0300
Sergiu Ivanov <address@hidden> wrote:

> Hello,
> 
> I'm currently encountering networking problems, which started (I
> suppose) at the moment when I migrated to Ubuntu 9.04. I run the Hurd
> under QEMU and I launch using the following command:
> 
> $ qemu -hda hd0.raw -fda grub_0.94 -boot a -monitor stdio
> 
> Then I setup pfinet using the following command:
> 
> # settrans -afgp /servers/socket/2 /hurd/pfinet -i eth0 -a 10.0.2.15
>  -g 10.0.2.2 -m 255.255.255.0
> 
> I also update /etc/resolv.conf doing
> 
> # echo "nameserver 10.0.2.3" > /etc/resolv.conf
> 
> In other words, I exactly follow what I can see here:
> http://www.gnu.org/software/hurd/hurd/running/qemu.html .
> 
> However, when I try to ping www.google.com, I get the following:
> 
> # ping www.google.com
> PING www.l.google.com (74.125.79.99): 56 data bytes
> --- www.l.google.com ping statistics --
> 4 packets transmitted, 0 packets received, 100% packet loss
> 
> I tried running QEMU with -M isapc , but this makes no difference for
> me.
> 
> I used bridged networking on Arch Linux before the beginning of March,
> and then I switched to Ubuntu. However, please note that the same
> setup worked under Ubuntu 8.04 in spring 2008, so I'd suppose that the
> problem should not be in the Ubuntu series as a whole...
> 
> Could you please tell we what I am doing wrong?..

>From qemu docs, 3.7.3 Using the user mode network stack:

> Note that ping is not supported reliably to the internet as it would
> require root privileges. It means you can only ping the local router 
> (10.0.2.2). 

-- 
Anatoly A. Kazantsev <address@hidden>

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