[Openstack] Limit of tunnel_id_ranges in Neutron

Kyle Mestery mestery at noironetworks.com
Sun Mar 30 21:31:36 UTC 2014


On Fri, Mar 28, 2014 at 11:39 PM, Changbin Liu <changbin.liu at gmail.com>wrote:

> Hi All,
>
> Maybe this is a simple question: is there any limit on "tunnel_id_ranges"
> in Neutron configuration? Say, can I configured it to e.g., "1:10000" if I
> have 10000 tenants in the cloud. I know VLAN is limited to 4094 tags.
>
> I googled around this issue but found that most commonly it  is configured
> to default "1:1000".
>
> There should not be a limit here, although the code will verify the tunnel
ID falls within an allowed range for your tunnel protocol (currently GRE or
VXLAN).

Thanks,
Kyle


> Thanks
>
> Changbin
>
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