NAT networking from guest not working

2011-03-30 Thread Marc Boorshtein
I apologize if this is the wrong list.  I have just installed Fedora
14 and gotten KVM up and running.  I installed a Windows 7 guest
without issue using NAT for networking.  The guest can ping the
default gateway, but can't reach the internet or the rest of the
network.  Here's the really odd thing, DNS resolution works.  I've had
no issues with VMWare images so I don't think its an issue with my
networking infrastructure.  Here's my uname:

Linux r2d2.tremolo.lan 2.6.38-1.fc15.x86_64 #1 SMP Tue Mar 15 05:29:00
UTC 2011 x86_64 x86_64 x86_64 GNU/Linux

libvirtd and libvirtd-guests are both running.  Any help (including
where I should take this query if this isn't the right place) would be
greatly appreciated.

Thanks!
Marc
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Re: NAT networking from guest not working

2011-03-30 Thread David Mair

Hi Marc,

On 03/30/2011 08:46 AM, Marc Boorshtein wrote:

I apologize if this is the wrong list.  I have just installed Fedora
14 and gotten KVM up and running.  I installed a Windows 7 guest
without issue using NAT for networking.  The guest can ping the
default gateway, but can't reach the internet or the rest of the
network.  Here's the really odd thing, DNS resolution works.  I've had
no issues with VMWare images so I don't think its an issue with my
networking infrastructure.  Here's my uname:

Linux r2d2.tremolo.lan 2.6.38-1.fc15.x86_64 #1 SMP Tue Mar 15 05:29:00
UTC 2011 x86_64 x86_64 x86_64 GNU/Linux

libvirtd and libvirtd-guests are both running.  Any help (including
where I should take this query if this isn't the right place) would be
greatly appreciated.


You'd need to provide more information but to be fair kvm provides no 
part of any nat implementation I'm aware of that can be used by kvm 
hosted vms. That's usually done by qemu or iptables on the host. Which 
case is defined by qemu command line so at the very least, your problem 
probably also exists with a qemu command line that includes -no-kvm and 
in that case you'd be better asking on a qemu list.


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David Mair.
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Re: NAT networking from guest not working

2011-03-30 Thread Marc Boorshtein
OK, I''ll go ask them.

Thanks!

Marc

On Wed, Mar 30, 2011 at 12:44 PM, David Mair dm...@mair-family.org wrote:
 Hi Marc,

 On 03/30/2011 08:46 AM, Marc Boorshtein wrote:

 I apologize if this is the wrong list.  I have just installed Fedora
 14 and gotten KVM up and running.  I installed a Windows 7 guest
 without issue using NAT for networking.  The guest can ping the
 default gateway, but can't reach the internet or the rest of the
 network.  Here's the really odd thing, DNS resolution works.  I've had
 no issues with VMWare images so I don't think its an issue with my
 networking infrastructure.  Here's my uname:

 Linux r2d2.tremolo.lan 2.6.38-1.fc15.x86_64 #1 SMP Tue Mar 15 05:29:00
 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux

 libvirtd and libvirtd-guests are both running.  Any help (including
 where I should take this query if this isn't the right place) would be
 greatly appreciated.

 You'd need to provide more information but to be fair kvm provides no part
 of any nat implementation I'm aware of that can be used by kvm hosted vms.
 That's usually done by qemu or iptables on the host. Which case is defined
 by qemu command line so at the very least, your problem probably also exists
 with a qemu command line that includes -no-kvm and in that case you'd be
 better asking on a qemu list.

 --
 David Mair.

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