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I notice that there are flow_mod flows on OVS which handle 1-to-1
translations between VLAN IDs and GRE/VXLAN tunnel IDs. Does it mean the
range of tunnel_ids is limited by VLAN tags?


Thanks

Changbin


On Sun, Mar 30, 2014 at 5:31 PM, Kyle Mestery <mestery at noironetworks.com>wrote:

> 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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