On Wed, Aug 23, 2006 at 10:22:19PM +0200, Bruno wrote:
> On Wednesday 23 August 2006 22:08, Kathy Kost wrote:
> > Nope. Once an alias is created, however which way, the system comes up
> > with a "16 alias max" message. Don't recall the actual message. The
> > vserver would not restart and I had to remove the interfaces and reboot
> > the entire server.
> >
> > Kathy
> >
> > > Does it help to add ip's with the ip add ... command instead of
> > > using ifconfig? Aliases are sooo last millennium.
> > >
> > >
> > > /Benny
> The kernel patch has a maximum of IP addresses per network context
> defined.
> Context-association of IP addresses is not optimized, thus many
> addresses cause some overhead when checking if incoming packets may be
> delivered to a guest. (check if IP is available to a guest)
> In addition you have 12 bytes allocated per possible IP address: 12 *
> 16 = 192 bytes (even if guest has just 1 IP assigned to it)
> For the define limiting the count of IP addresses, see
> include/linux/vserver/network.h (line 11):
> @define NB_IPV4ROOT 16
> Note that you may need to check what header the userspace tools get
> compiled against.
also note that this limitation will go away pretty soon :)
best,
Herbert
> Bruno
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Received on Wed Aug 23 21:43:06 2006