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I'm assuming you are using LBaaS V2.  With that assumption, I'm not sure how you are having to select subnet on the pool.  It's not supposed to be a field at all on the pool object.  subnet_id is required on the member object right now, but that's something I and others think should just be optional, and if not specified then it's assumed that member can be reached with whatever has already been setup.?  Another option is pool could get a subnet_id field in the future and all members that are created without subnet_id are assumed to be on the pool's subnet_id, but I'm getting ahead of myself and this has no bearing on your current issue.


Could you tell me how you are making your requests? CLI? REST directly?

________________________________
From: Wanjing Xu <wanjing_xu at hotmail.com>
Sent: Monday, April 27, 2015 12:57 PM
To: OpenStack Development Mailing List not for usage questions
Subject: [openstack-dev] [Neutron][LBaaS] Why do we need to select subnet when creating a pool?

So when I use Haproxy for LBaaS for Juno, there is a subnet mandatary field that I need to fill in when creating a pool, and later on when I add members, I can use a different subnet(or simply just enter the ip of the member), when adding vip, I can still select a third subnet.  So what is the usage of the first subnet that I used to create pool?  There is no port created for this pool subnet.  I can see that a port is created for the vip subnet that the loadbalancer instance is binding to.

Regards!

Wanjing Xu
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