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List: user-mode-linux-user
Subject: Re: [uml-user] getting uml talk to outside network
From: "Jay Shah" <jayshah31 () gmail ! com>
Date: 2007-11-17 12:46:56
Message-ID: d56bcc2d0711170446m2f7b5325j30f0873bd3d2e230 () mail ! gmail ! com
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[Attachment #2 (multipart/alternative)]
Hello,
This link should help you out:
http://user-mode-linux.sourceforge.net/minis.html#nat
Jay
On 17/11/2007, Jon Rafkind <rafkind@cs.utah.edu> wrote:
>
> I set up tuntap so that my uml instance has an ip, 192.168.0.1, and can
> talk to the host, 192.168.0.254, which works fine but when I try to talk
> to the rest of the world from uml any command will just hang.
>
> # wget www.google.com
> --08:41:58-- http://www.google.com/
> => `index.html'
> Resolving www.google.com...
> # wget 72.14.253.147
> --08:44:58-- http://72.14.253.147/
> => `index.html'
> Connecting to 72.14.253.147:80...
>
> When I do 'ifconfig eth5 ... up' I see some lines in dmesg:
> * modprobe tun
> * ifconfig tap1 192.168.0.254 netmask 255.255.255.255 up
> * bash -c echo 1 > /proc/sys/net/ipv4/ip_forward
> * route add -host 192.168.0.1 dev tap1
> * bash -c echo 1 > /proc/sys/net/ipv4/conf/tap1/proxy_arp
>
> I ran them but I don't have a tap1 device, so for now I replaced it with
> eth5. Do I need iptables or something on the host to allow uml to talk
> to the rest of the world? I'm using the same /etc/resolv.conf in uml as
> the host.
>
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[Attachment #5 (text/html)]
<div>Hello,</div>
<div> </div>
<div>This link should help you out:</div>
<div> </div>
<div><a href="http://user-mode-linux.sourceforge.net/minis.html#nat">http://user-mode-linux.sourceforge.net/minis.html#nat</a></div>
<div> </div>
<div>Jay<br><br> </div>
<div><span class="gmail_quote">On 17/11/2007, <b class="gmail_sendername">Jon \
Rafkind</b> <<a href="mailto:rafkind@cs.utah.edu">rafkind@cs.utah.edu</a>> \
wrote:</span> <blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px \
0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">I set up tuntap so that my uml instance \
has an ip, <a href="http://192.168.0.1">192.168.0.1</a>, and can<br> talk to the \
host, <a href="http://192.168.0.254">192.168.0.254</a>, which works fine but when I \
try to talk<br>to the rest of the world from uml any command will just hang.<br><br># \
wget <a href="http://www.google.com">www.google.com \
</a><br>--08:41:58-- <a \
href="http://www.google.com/">http://www.google.com/</a><br> => \
`index.html'<br>Resolving www.google.com...<br># wget <a \
href="http://72.14.253.147">72.14.253.147</a><br>--08:44:58-- <a \
href="http://72.14.253.147/">http://72.14.253.147/</a><br> => \
`index.html'<br>Connecting to <a \
href="http://72.14.253.147:80">72.14.253.147:80</a>...<br><br>When I do 'ifconfig \
eth5 ... up' I see some lines in dmesg: <br>* modprobe tun<br>* ifconfig tap1 <a \
href="http://192.168.0.254">192.168.0.254</a> netmask <a \
href="http://255.255.255.255">255.255.255.255</a> up<br>* bash -c echo 1 > \
/proc/sys/net/ipv4/ip_forward<br>* route add -host <a \
href="http://192.168.0.1">192.168.0.1</a> dev tap1<br>* bash -c echo 1 > \
/proc/sys/net/ipv4/conf/tap1/proxy_arp<br><br>I ran them but I don't have a tap1 \
device, so for now I replaced it with<br>eth5. Do I need iptables or something on the \
host to allow uml to talk <br>to the rest of the world? I'm using the same \
/etc/resolv.conf in uml as<br>the \
host.<br><br>-------------------------------------------------------------------------<br>This \
SF.net email is sponsored by: Microsoft <br>Defy all challenges. Microsoft(R) Visual \
Studio 2005.<br><a href="http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/">http \
://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/</a><br>_______________________________________________
<br>User-mode-linux-user mailing list<br><a \
href="mailto:User-mode-linux-user@lists.sourceforge.net">User-mode-linux-user@lists.sourceforge.net</a><br><a \
href="https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user"> \
https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user</a><br></blockquote></div><br><br \
clear="all"><br>-- <br>Please feel free to contact me via instant \
messaging:<br><br>MSN: <a href="mailto:admin@jayshah.com"> \
admin@jayshah.com</a><br>Yahoo!: shahjay2003<br>ICQ: 495690391
-------------------------------------------------------------------------
This SF.net email is sponsored by: Microsoft
Defy all challenges. Microsoft(R) Visual Studio 2005.
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