Re: [Xen-users] Using Ipv4 and IPv6 Subnet

[Thore <thore@xxxxxxxxxxxxx>]

Am 06.02.2013 13:00, schrieb Simon Hobson:
> Thore wrote:
> > I have a problem/question for understanding.
> > I have on my server (debian wheezy) 3 virtual systems running on xen
> > with own IPv4 addresses.
> > Form my hoster I got an IPv6 subnet, but I don't really know how to add it.
> > Is it enought to add an address of it in the /etc/network/interfaces of
> > the virtual systems?
> > Or must I set up routing for Xen and how does it works together with
> > bridging?
> > Which settings I had to change?
> > And am I able to set up an system only with Ipv6?
> > (I have IPv6)
>
> These are mostly not really Xen questions, more a general networking issue.
>
> The first question is, how does the hoster present your networking ? And how is 
> your Xen networking set up ?
>
> If (for example) your hoster presents you an ethernet cable, with your own IP 
> range and a gateway address for their router; and you are using bridging on 
> Xen; then it will simply be a case of configuring an IPv6 address on each box.
> Configuring IPv6 can be done several ways, and that depends on how the routers are 
> configured. At it's simplest, the router(s) will advertise themselves and your devices 
> can self-assign an address - auto configuration which should "just work". For 
> hosting, you probably want to manually configure IPv6 addresses so they are fixed.
I have a xenbr0

auto xenbr0
iface xenbr0 inet static
 address  1.2.3.4
 netmask 255.255.255.255
 gateway  2.3.4.5
 bridge_ports eth0

Like this is my bridge configuration.

Some time before I set this in my /etc/network/interfaces
#iface eth0 inet6 static
#  address 2a01:4f8:140:1:2
#  netmask 64
#  gateway fe80::1

At the moment it is inaktive.
I have 3 IPv4 Adresses, no Subnet.
The server has only an eth0.
And if it helps it is hosted by hetzner

regards
Thore


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