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Re: [Xen-users] Need support for xen network configuration

Alexandre Kouznetsov <alk@xxxxxxxxxx> wrote:

> For sake of security, your scenario will be better if you manage to add a 
> second physical interface. Make eth0 to be "internal" and eth1 to be 
> "external".
> For sake of sanity, separate your different IP networks into different 
> broadcast domain, VLAN is the most suitable option if they are to share the 
> same physical port.

+1 for that

> If you still wish your DomU to have a second (public) IP address, add a alias 
> section:

Rather than add aliases, AIUI it's now preferred to just add addresses (whether 
in the same subnet or a different one).
So something like :
iface eth0 inet static
  post up ip addr add address
  post up ip addr add address

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