[Expired for neutron because there has been no activity for 60 days.]
** Changed in: neutron
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1525059
Title:
[RFE] Add support for external vxlan encapsulation to neutron router
Status in neutron:
Expired
Bug description:
Problem Description
In my deployment, neutron router will be connected to its upstream router
with vxlan tunnel.
But when setting neutron router gw as vxlan network, it can't work. Because
there is no way to configure the vxlan peer address or vxlan multicast group.
This configure will be also useful for other scenarios like use vxlan to
connect 2 openstack directly.
To achieve this, we propose to add a flood list to external vxlan network.
Proposed Change
1. CLI
After change the CLI will looks like:
(neutron) net-create -h
--provider:underlay_flooding_list ip_address Remotes IP addresses of
flood list tunnel for VXLAN networks. You can repeat this option.
2. When to create/remove tunnel
When router-gateway-set is called, it will create a qg- interface.
We need set "external_network_bridge" to empty, then qg- will attached to
br-int. Why?
Because br-ex did not provide vlan isolation of network.
Then ovs agent will detect the new qg- interface, and check:
1. qg- interface is router gw interface
2. qg- interface' network type is vxlan
3. qg- interface' network have flood list
Then it will create vxlan tunnel, and add flows.
Similar case for remove tunnel.
3. How to create tunnel
The flood list tunnel will be create in br-tun.
Please help review:
https://review.openstack.org/#/q/topic:vxlan_vteps
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