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At now Neutron dies not support updating allocation pools, and you need to
specify a desired fragmented allocation pools when creating the subnet.
Supporting update of allocation pools has been discussed/raised several
times, but is not implemented since it needs a check for the curren IP
allocations and so on.

Thanks,
Akihiro

2014年9月10日水曜日、Sam Stoelinga<sammiestoel at gmail.com>さんは書きました:

> Hi,
>
> How can I setup neutron so that it supports a range of fragmented ips
> within a subnet? Version: Icehouse
>
> For example I have the following floating ips available for use:
> 192.168.1.10 192.168.1.15
> but 192.168.1.11-14 can't be used as floating ips. With nova-network we
> could add them 1 by 1.
>
> I tried to do this:
> neutron subnet-update c58d4e69-d614-4d05-91e5-95b5cc48b670
> --allocation-pools start=192.168.1.10,end=192.168.1.10 --allocation-pools
> start=192.168.1.15,end=192.168.1.15
>
> The environment is a lab environment where they gave a limited amount of
> floating ips to use. As example I used a private ip space, but in the
> actual lab environment I am using a public internet routable ipv4 addresses
> as floating ip, hence the restriction and fragmentation of the ip range.
>
> Regards,
> Sam
>
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