Murali R <muralir...@gmail.com> wrote on 06/17/2016 12:09:30 PM: > From: Murali R <muralir...@gmail.com> > To: Ryan Moats/Omaha/IBM@IBMUS > Cc: Ben Pfaff <b...@ovn.org>, discuss <discuss@openvswitch.org> > Date: 06/17/2016 12:09 PM > Subject: Re: [ovs-discuss] [ovn] provider networks > > Ryan, actually the reason I was asking if there will be conflicts. > Like the router1 is created by default in devstack whether its > created within OVN. It is assuming the gateway address we define, > where as the provider net has a gateway of that ip (eg 10.145.105. > 1). Not sure if the router1 represented in devstack is the external > router or the ovn router. > > (I understand this is more of networking-ovn question but primarily > related to ovn side which is all I am using. Devstack for > convenience in setup different configs) Your question makes me think that you are using provider networks in a way different from I have used them. The provider networks' gateway address is for a router that is *not* under the control of openstack and so you shouldn't be creating a neutron router that attaches an interface to the provider network in such a way as to assume that address. If you are trying to attach project networks to a router and then to the provider network, you need to be setting the router's external network to be the provider network, so that it assumes one of the addresses from the allocation pool. Further, if the project network is using an RFC 1918 address, things aren't guaranteed to work with OVN's native L3 as there isn't a solution that includes NAT as yet. Ryan
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