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All,

I have a nova install on a single machine, I have launched an instance which I can log into from the compute node, and have associated a public IP address to the instance, see below. 

root at kvm-dev02:~/project2# euca-describe-instances 
RESERVATION	r-omedt4i6	project2	default
INSTANCE	i-00000001	ami-bn6x5xnb	131.227.76.80	10.0.0.3	running	mykey (project2, kvm-dev02)	0		m1.small	2011-02-15 22:57:17.803241	nova	

security groups allow ssh and icmp:

root at kvm-dev02:~/project2# euca-describe-groups 
GROUP	project2	default	default
PERMISSION	project2	default	ALLOWS	icmp	-1	-1	FROM	CIDR	0.0.0.0/0
PERMISSION	project2	default	ALLOWS	tcp	22	22	FROM	CIDR	0.0.0.0/0

but I'm not sure about the routing should now work, under eucalyptus the public IP is added as an alias to the public interface and a rule is added to iptables to nat the traffic to the instances private IP address.
It appears nova networking is different, are there any steps I have missed ?

Any help or pointers much appreciated. 

Regards

John O'Loughlin
FEPS IT, Service Delivery Team Leader