[Openstack] Network Architecture - Separate Layer 2 and Layer 3 - neutron/network node only l2
ben42ml at gmail.com
Fri May 30 09:24:51 UTC 2014
Thank you for your answer. I'm looking now in "multiple l3 agent".
Really, what we like, is : bare metal => layer 2 ; virtual machine => layer
So network node works on layer 2 (external vlan and gre tunnel) and we have
virtual machine for layer 3 (IP, firewall, loadBalancer, ....).
At least I didn't see how openstack can deploy a tenant/project/full
featured plate-forme with layer 3 located on a VM ?
Robert, can you tell me more about new function ? and "not hard-wire" ?
2014-05-28 20:03 GMT+02:00 Robert Kukura <kukura at noironetworks.com>:
> Also, note that the Modular L2 (ML2) plugin does not hard-wire a
> particular implementation of the L3 router API. There is a service plugin
> that implements this via Neutron's l3-agent, but other options are possible
> as well (and are being developed).
> On 5/28/14, 9:02 AM, Jasper Capel wrote:
>> You are also free to not use the L3 agent at all and just patch a few
>> virtual routers into the L2 segments you want them to route (obviously this
>> will result in floating IPs, routing, etc not being managed by Neutron).
>> On 28 May 2014, at 14:14, Ageeleshwar Kandavelu <Ageeleshwar.Kandavelu@
>> csscorp.com> wrote:
>> I think you are looking for multiple neutron-l3-agent. It is possible
>>> and has been discussed many times before in mailing lists. Just do a google
>>> search 'multiple l3 agent in openstack' you should be able to find some
>>> link to start with.
>>> From: Benoit ML [ben42ml at gmail.com]
>>> Sent: Wednesday, May 28, 2014 2:15 PM
>>> To: openstack at lists.openstack.org; Benoit ML
>>> Subject: [Openstack] Network Architecture - Separate Layer 2 and Layer 3
>>> - neutron/network node only l2
>>> I'm writing to you because I'd like to discute about the separation of
>>> layer 2 and layer 3.
>>> Can openstack network node only work on layer 2 with a dedicated server
>>> ? and all layer 3 configuration done elsewere ?
>>> The idea is : netowk node manage layer 2 topologie (openvswitch/gre
>>> tunnel) and Layer 3 is dedicacted to virtual machine/application.
>>> For evry tenant i'm thinking about a VM doing all L3 jobs (router,
>>> firewall, loadbalancing, ....)
>>> Did you see what i mean ? Is it possible ?
>>> Thank you in advance !
>>> ps : sorry for my english ;)
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