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xen-devel
Re: [Xen-devel] network advice needed
Andrew Theurer wrote:
Newbie Xen network advice needed. I'd like to do the following: Have domain0
masqerade all other domains (on that system) through the physical ethernet
adapter in domain0. I'd like all of the other domains to have an IP
addresses in 192.168.0.0/24. Domain0 will also dhcp serve IP's to the other
domains. I want to do this, so I can dynamically create as many domains as I
need without worrying about IP address assignment headaches.
As each domain has its own independent interface(s), you'd either (a)
have to assign each individual interface its own /30, and dish out a
specific DHCP IP for each one, or bridge them all together, and treat it
as one big network.
doamin0: has my physical network adapter with my static IP address, and an
ethernet bridge which has IP address of 192.168.0.1.
Makes sense.
domain[1-N]: has vifN.0, with IP address in subnet 192.168.0.0/24
Some iptables setup to MASQ from dev br0 and out eth0.
The main thing I see that needs chaning is simply not move domain0's eth0 IP
address to the bridge, but assign it 192.168.0.1. Is that correct?
Yes, you should be able to hack the /etc/xen/scripts/network script to
just not try to claim eth0's IP and not enslave it to the bridge device.
It shouldn't be a huge change, mostly just commenting/removing things.
Then just set up dhcpd and an iptables ruleset pretty much as you'd
expect on a real network.
--
Derrik Pates
demon@xxxxxxxxxxxxx
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