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Hi everyone,

Any thoughts on supporting multiple gateway IPs for subnets?





On Thu, Jun 11, 2015 at 3:34 PM, Shraddha Pandhe <
spandhe.openstack at gmail.com> wrote:

> The idea is to round-robin between gateways by using some sort of mod
> operation
>
> So logically it can look something like:
>
>     idx = len(gateways) % ip
>     gateway = gateways[idx]
>
>
> This is just one idea. I am open to more ideas.
>
>
>
>
> On Thu, Jun 11, 2015 at 3:10 PM, Kevin Benton <blak111 at gmail.com> wrote:
>
>> What gateway address do you give to regular clients via dhcp when you
>> have multiple?
>>
>> On Jun 11, 2015 12:29 PM, "Shraddha Pandhe" <spandhe.openstack at gmail.com>
>> wrote:
>> >
>> > Hi,
>> > Currently, the Subnets in Neutron and Nova-Network only support one
>> gateway. For provider networks in large data centers, quite often, the
>> architecture is such a way that multiple gateways are configured per
>> subnet. These multiple gateways are typically spread across backplanes so
>> that the production traffic can be load-balanced between backplanes.
>> > This is just my use case for supporting multiple gateways, but other
>> folks might have more use cases as well and also want to take the
>> community's opinion about this feature. Is this something that's going to
>> help a lot of users?
>> > I want to open up a discussion on this topic and figure out the best
>> way to handle this.
>> > 1. Should this be done in a same way as dns-nameserver, with a separate
>> table with two columns: gateway_ip, subnet_id.
>> > 2. Should Gateway field be converted to a List instead of String?
>> > I have also opened a bug  for Neutron here:
>> https://bugs.launchpad.net/neutron/+bug/1464361
>> >
>> >
>> >
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>>
>>
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>
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