From: Avi Kivity <avi@redhat.com>
To: Yann Dupont <Yann.Dupont@univ-nantes.fr>
Cc: kvm@vger.kernel.org,
Jean-Philippe MENIL <Jean-Philippe.Menil@univ-nantes.fr>,
RESEAUCRI <reseau@cri.univ-nantes.fr>
Subject: Re: 8 nics limits on KVM ??
Date: Mon, 02 Feb 2009 18:25:36 +0200 [thread overview]
Message-ID: <49871E80.7000804@redhat.com> (raw)
In-Reply-To: <4981BC2E.1010902@univ-nantes.fr>
Yann Dupont wrote:
> Hello,
>
> we are using kvm for wifidog, a wifi portal. In our case, we have lots
> of VLANS, and those vlans are connected on separate bridges on the
> host. So, for the kvm machine running wifidog, we're having lots of
> virtual nics (more than 10). Launching kvm, we had this error mesage :
> Too many nics.
>
> The limit seems hardcoded in qemu (in qemu/net.h), I've changed
> MAX_NICS from 8 to 24, and this seems to do the trick.
>
> Is there any adverse effects doing this ? Is the limit arbitrary , or
> there for a good reason ?
No good reason I can think of. Qemu used to have only a few PCI slots,
but now we have 32 (I think) so the limit can easily be raised.
--
error compiling committee.c: too many arguments to function
prev parent reply other threads:[~2009-02-02 16:26 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-29 14:24 8 nics limits on KVM ?? Yann Dupont
2009-02-02 16:25 ` Avi Kivity [this message]
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