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Re: [Qemu-devel] [PULL 0/5] ipv4-only and ipv6-only support


From: Samuel Thibault
Subject: Re: [Qemu-devel] [PULL 0/5] ipv4-only and ipv6-only support
Date: Thu, 31 Mar 2016 14:10:46 +0200
User-agent: Mutt/1.5.21+34 (58baf7c9f32f) (2010-12-30)

Vasiliy Tolstov, on Thu 31 Mar 2016 15:03:31 +0300, wrote:
> 2016-03-31 14:57 GMT+03:00 Samuel Thibault <address@hidden>:
> > I'm surprised that the vm tries to access the network via ipv6 by
> > default.  Which OS is this?  With the default fec0:: prefix, ipv4
> > should be preferred.  Latest versions of the patch (which was commited)
> > also make qemu send a net unreachable icmpv6 response when ipv6 is not
> > available on the host, so that the guest knows without delay that ipv6
> > is not actually available.
> 
> This is debian. I'm use old patch for qemu-2.1.0.

Which prefix do you get inside the guest?  Which version of Debian the
guest is?  I'm really surprised that fec0:: gets prefered over an ipv4
address.

Samuel



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