[Openstack] Basic networking/configuration woes

Soren Hansen soren at linux2go.dk
Fri Feb 24 12:24:16 UTC 2012


2012/2/24 Justin Santa Barbara <justin at fathomdb.com>:
> I have contributed a patch (which has merged) which should allow you
> to stop editing the SQL:  https://review.openstack.org/#change,3816
> With that, you should be able to pass the full range, with an
> additional argument specifying the subset that nova controls:
> e.g.-fixed_cidr=10.200.0.0/16
>
> When I boot my VM, I think it gets a real address from my DHCP server
> (because the VM can reach the DHCP server), but not the address nova
> assigned it!  I believe the nova iptables rules mean that the machine
> can't then do TCP/IP, but even if I am wrong/could overcome that, I
> don't think cloud-init could then configure the correct address.

The instance firewall should be configured to only allow DHCP
responses from the IP it believes to be the correct DHCP server.
Perhaps it has the wrong idea?

-- 
Soren Hansen             | http://linux2go.dk/
Senior Software Engineer | http://www.cisco.com/
Ubuntu Developer         | http://www.ubuntu.com/
OpenStack Developer      | http://www.openstack.org/




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