Tait Clarridge wrote:
On Fri, 2009-11-27 at 14:02 +1300, Steven Ellis wrote:
Running Centos 5.4 with KVM on a Dell R610 server and I'd like to
control which of the four ethernet interfaces are used for specific
tasks
My ideal configuration would be
eth0 - Host traffic only, no virtual guests. Used for guest mirroring
and management.
eth1 - NAT guest traffic only, no address for local machine and in
some environments in the same zone as eth0
eth2/3 - Allocated to two different bridge devices which might be in
separate network zones.
The configuration of eth2/3 is fairly simple, my issue is restricting
any NAT traffic to a specific ethernet devices, and ideally one with
no local IP.
Any ideas?
Steve
So if I have this right, at the basic level you wish to have:
- One interface for Host machine
- Multiple interfaces for guest traffic
If your environment supports VLANs (802.1Q), might I suggest a trunk
port on eth1 split up into different bridges to have the KVM guests go
through to get on different VLANs/address spaces.
This is what I currently do for Xen and it works great. What kind of
network setup to you have?
Not quite what I'm after.
My issue is I can't see any way to bring up NAT guests unless they are
using a ethernet interface that has a address for the host OS.
eth0 - Host OS Traffic only
eth1 - NAT traffic for any guests I don't want to bridge
eth2 - Bridge traffic zone 1
eth3 - Bridge traffic zone 2
Setting up eth0/2/3 is ok, but eth1 is the issue.
Steve
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