[openstack-dev] [Neutron][IPv6] A pair of mode keywords
Anthony_Veiga at cable.comcast.com
Thu Jan 23 12:45:10 UTC 2014
An openstack deployment with an external DHCP server is definetely a possible scenario; I don't think it can be implemented out-of-the-box with the components provided by the core openstack services, but it should be doable and a possibly even a requirement for deployments which integrate openstack with systems such as Infoblox.
Therefore I would not disregard the possibility of an external DHCP server.
Regarding the new attributes, I pretty much agree on them. As there's overlap between enable_dhcp and address_mode, it might be worth defining a strategy for deprecating enable_dhcp by adding inclduing also a 'dhcpv4' valid value for this attribute.
We were initially intending to treat enable_dhcp as an on-off flag for IPv6. If it's off, then we won't even bother with the other two attributes. Because of the issues already being discussed elsewhere in Neutron, you can't assign multiple scopes to a subnet so it's safe to assume that there won't be an IPv4 scope in an IPv6 subnet.
On 23 January 2014 04:21, Shixiong Shang <sparkofwisdom.cloud at gmail.com<mailto:sparkofwisdom.cloud at gmail.com>> wrote:
Any possibility we can nail the keywords in the next 12 - 24 hrs? So we can decide the scope in Icehouse release and then, discuss who can do what?
On Jan 22, 2014, at 11:20 AM, Collins, Sean <Sean_Collins2 at cable.comcast.com<mailto:Sean_Collins2 at cable.comcast.com>> wrote:
> I don't know if it's reasonable to expect a deployment of OpenStack that
> has an *external* DHCP server. It's certainly hard to imagine how you'd
> get the Neutron API and an external DHCP server to agree on an IP
> assignment, since OpenStack expects to be the source of truth.
> Sean M. Collins
> OpenStack-dev mailing list
> OpenStack-dev at lists.openstack.org<mailto:OpenStack-dev at lists.openstack.org>
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