[Openstack] Network Architecture - Separate Layer 2 and Layer 3 - neutron/network node only l2

Robert Kukura kukura at noironetworks.com
Wed May 28 18:03:40 UTC 2014


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).

-Bob

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).
>
> Jasper
>
>
> On 28 May 2014, at 14:14, Ageeleshwar Kandavelu <Ageeleshwar.Kandavelu at 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
>>
>> Hello,
>>
>>
>> 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 !
>>
>> Regads,
>>
>> ps : sorry for my english ;)
>>
>>   
>> --
>> Benoit
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>
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