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Date: Mon, 21 Aug 2006 17:24:24 +0800
From: "fei huang" <daniel.huangfei@gmail.com>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] the user mode linux can't access network..
In-Reply-To: <200608211033.55909.shrdlu@unlimitedmail.org>
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On 8/21/06, Etaoin Shrdlu <shrdlu@unlimitedmail.org> wrote:
>
> On Monday 21 August 2006 08:38, fei huang wrote:
>
> > did I miss something? or the guide is just incomplete?
>
> I see you are directly connecting the real host to the virtual host using
> tuntap (eg, you don't use uml_switch).
I would like the most direct and easy way to access the network, seems the
uml_switch needs just a lot more steps to set up the network... not sure
though.
You probably need to enable forwarding (and possibly masquerading) on the
> real box:
>
> iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
> echo 1 > /proc/sys/net/ipv4/ip_forward
>
> The guide DOES mention this, in the section "using an existing network".
yep, that's why I get so frustrated, I did exactly the same as what the
guide instructs..
any other posibilities that may cause the problem?
HTH
> --
> gentoo-user@gentoo.org mailing list
>
> thank you so much..
daniel
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<br><br><div><span class="gmail_quote">On 8/21/06, <b class="gmail_sendername">Etaoin Shrdlu</b> <<a href="mailto:shrdlu@unlimitedmail.org">shrdlu@unlimitedmail.org</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
On Monday 21 August 2006 08:38, fei huang wrote:<br><br>> did I miss something? or the guide is just incomplete?<br><br>I see you are directly connecting the real host to the virtual host using<br>tuntap (eg, you don't use uml_switch).
</blockquote><div><br>I would like the most direct and easy way to access the network, seems the uml_switch needs just a lot more steps to set up the network... not sure though.<br></div><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
You probably need to enable forwarding (and possibly masquerading) on the<br>real box:<br><br>iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE<br>echo 1 > /proc/sys/net/ipv4/ip_forward<br><br>The guide DOES mention this, in the section "using an existing network".
</blockquote><div><br>yep, that's why I get so frustrated, I did exactly the same as what the guide instructs..<br>any other posibilities that may cause the problem? <br></div><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
HTH<br>--<br><a href="mailto:gentoo-user@gentoo.org">gentoo-user@gentoo.org</a> mailing list<br><br></blockquote></div>thank you so much..<br>daniel<br>
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