[Openstack-operators] Do you recommend large subnets in provider network?
warren at wangspeed.com
Thu Apr 24 15:18:13 UTC 2014
I'm afraid that you'll find the number of folks that use provider network
is very small, unfortunately. We also use a /22, and it works well for us,
but that will depend on a few things. Your hardware will need to be able
to support sufficiently large MAC/ARP tables, and your apps will make a
large impact as well.
On Wed, Apr 23, 2014 at 3:37 AM, sylecn <sylecn at gmail.com> wrote:
> Hi all,
> I'm building a private cloud using flat provider network. For the private
> network, I'm facing a choice between using a big subnet and multiple small
> subnets. I am seeking for advice.
> I have a 10.21.176.0/22 network, which contains about 1024 IPs. If I
> declare this as a big subnet, will I get performance problems for broadcast
> packets, DHCP assignment, bad ping latency and the like?
> What is your subnet size? Is there a practical maximum subnet size?
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