On 2019-12-11 18:36:16 +0100 (+0100), Ignazio Cassano wrote:
> Indeed when more subnet of a provider vlan are created, instance
> on one of the subnet receives the static routes of all subnets. Is
> it correct?
[...]

I'm afraid my expertise in this matter is limited to directly
managing DHCP servers, I'm not personally familiar with running
Neutron. Hopefully someone with more architectural background on
Neutron itself can answer that part of your question.
--
Jeremy Stanley