On 01/31/2018 10:12 AM, Satish Patel wrote:
Brian,
You mean say i can use any private subnet for that service-type? I am
having hard time to understand could you please give me example or
details would be helpful.
Yes, you should be able to use a private subnet that can be configured
onto that network, that way the DVR routers would use IPs from it, and
still be able to communicate with other devices in the datacenter. I
believe the docs site I linked previously had an example of this.
-Brian
On Thu, Jan 18, 2018 at 2:12 PM, Brian Haley <haleyb....@gmail.com> wrote:
On 01/16/2018 08:37 AM, Satish Patel wrote:
Thanks Brian,
I may having difficulty to understand that example, if I have only /24
public subnet for cloud and have 200 compute node then how does it work?
The intention is to have a second subnet on the external network, but only
have it usable within the datacenter. If you create it and set the
service-type to only certain types of ports, like DVR, then it won't be used
for floating IP as the other one is.
-Brian
On Jan 15, 2018, at 9:47 PM, Brian Haley <haleyb....@gmail.com> wrote:
On 01/15/2018 01:57 PM, Satish Patel wrote:
I am planning to build openstack on production and big question is
network (legacy vs DVR) but in DVR big concern is number of Public IP
used on every compute node, I am planning to add max 100 node in
cluster in that case it will use 100 public IP for compute node, Ouch!
You can reduce this public IP consumption by using multiple subnets on
the external network, with one just for those DVR interfaces. See
https://docs.openstack.org/ocata/networking-guide/config-service-subnets.html
Example #2 for a possible configuration.
As for what type of L3 configuration to run, it seems like you have a
good idea of some of the trade-offs with each.
-Brian
If i use legacy compute node then it could be bottleneck or failure
node if not in HA.
what most of company use for network node? DVR or legacy?
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