Re: [Openstack] Question about VXLAN support

2014-09-19 Thread George Mihaiescu
little bit. George -Original Message- From: Andreas Scheuring [mailto:scheu...@linux.vnet.ibm.com] Sent: Friday, September 19, 2014 3:13 AM To: openstack@lists.openstack.org Subject: Re: [Openstack] Question about VXLAN support Thanks for this clarification. Just wondering: Do multiple network

Re: [Openstack] Question about VXLAN support

2014-09-19 Thread Andreas Scheuring
on > subnets, but you would hit other limits by then. > > > > George > > > > > __ > From: BYEONG-GI KIM [mailto:kimbyeon...@gmail.com] > Sent: Wednesday, September 17, 2014 10:41 PM > To: George Mihaiescu; openstack@lists.openstack.org > Subje

Re: [Openstack] Question about VXLAN support

2014-09-18 Thread George Mihaiescu
: [Openstack] Question about VXLAN support Dear George Thank you for the reply. I'm a little confused about your reply. Can be the same tag number assigned to different tenant? For example, I assume the situation where a subnet 1 assigned tag number 1 and it belongs to tenant A,

Re: [Openstack] Question about VXLAN support

2014-09-18 Thread CARVER, PAUL
I haven’t done this on a VXLAN deployment but I did a packet capture on a Grizzly GRE environment to see exactly what it looks like on the wire and the results are below (although the color coding will probably be lost.) What we have with GRE is 802.1q inside the encapsulated payload so if the 4

Re: [Openstack] Question about VXLAN support

2014-09-17 Thread BYEONG-GI KIM
Dear George Thank you for the reply. I'm a little confused about your reply. Can be the same tag number assigned to different tenant? For example, I assume the situation where a subnet 1 assigned tag number 1 and it belongs to tenant A, and a subnet b is also assigned tag number 1 and it belongs

Re: [Openstack] Question about VXLAN support

2014-09-17 Thread George Mihaiescu
The internal VLAD ID is indeed limited to 4096 but this internal tag number is used to isolate different neutron subnets, not tenants. A tenant could create 10 neutron networks each with its own subnet and then start 10 instances each attached to a separate net/subnet. If these instances would