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Recent questions tagged mech

0 votes
2 responses 22 views

Is it a known limitation that the ML2 plugin and associated drivers do not properly handle cases where there are multiple agents running on the same host? That is, two or more agents that reside on the same host and both report ...

asked Nov 15, 2017 in openstack-dev by Legacy,_Allain (220 points)  
0 votes
0 responses 163 views

Version: Pike Mech driver: OVS with vxlan for east\west So we're running Openstack with the dedicated network nodes model. Some of the tenant router's have HA port for vrrp hello's that work fine, while others don't. The ones that don't ...

asked Nov 11, 2017 in openstack by Sterdnot_Shaken (900 points)   1 4 5
0 votes
8 responses 150 views

Openstack version: Ocata Mech driver: OVS Security: Linuxbridge Hello! Anyone have any idea why DHCP for IPv4 works fine but DHCP for IPv6 doesn't? With Stateless or just SLAAC, the VM's calculate a correct IPv6 address from the IPv6 prefix ...

asked Sep 29, 2017 in openstack by Sterdnot_Shaken (900 points)   1 4 5
2 x  
0 votes
3 responses 21 views

Hi, We have a SRIOV capable NIC that supports OVS offload and Switchdev. We are trying to test the VifHostDevice model on a Pike cluster. We are running into issues. Here are the config options that we have used: 1. In Neutron conf file: ...

asked Sep 21, 2017 in openstack-dev by pranab_boruah (740 points)   1 2
0 votes
1 response 23 views

Hello fellows: Currently there is a bug in os-vif [1]. When os-vif tries to plug an OVS interface, the datapath type is hardcoded: - ...

asked Jun 20, 2017 in openstack-dev by Alonso_Hernandez,_Ro (460 points)  
0 votes
6 responses 34 views

Hi, all First of all. Happy New year for everyone! I have a question about mechanism drivers when using ML2 driver. When should I use openvswitch mechanism driver ? When should I use linuxbridge mechanism driver ? And, when should I use ...

asked Dec 30, 2016 in openstack-dev by =?UTF-8?B?6IuM5pm6?= (1,680 points)   1 6 11
0 votes
1 response 5 views

There were three main topics discussed during the neutron-agent retrospective session: deprecating the CLI OVS interfaces, refactoring the agent to use the callback framework, and eliminating the L2pop driver. Deprecating the CLI OVS ...

asked Nov 9, 2016 in openstack-dev by (15,600 points)   2 3 4
0 votes
0 responses 39 views

We are psyched to announce the release of: networking-odl 3.0.0: OpenStack Networking Download the package from: For more details, please see below. 3.0.0 ^^^^^ Host Configuration data ...

asked Nov 9, 2016 in openstack-announce by no-reply_at_openstac (33,960 points)   1 10 19
0 votes
5 responses 3 views

Hello, We currently use the flat ml2 driver in our Openstack setup (around 500 nodes). We now want to change to a network vendor specific ml2 driver. So the legacy compute nodes will use the flat network and compute nodes added in the ...

asked Nov 1, 2016 in openstack by Chris (1,320 points)   6 8
0 votes
0 responses 21 views

We are glad to announce the release of: neutron 8.3.0: OpenStack Networking This release is part of the mitaka stable release series. Download the package from: For more details, please see below. ...

asked Oct 11, 2016 in openstack-announce by no-reply_at_openstac (33,960 points)   1 10 19
0 votes
0 responses 128 views

We are high-spirited to announce the release of: neutron 9.0.0: OpenStack Networking This release is part of the newton release series. For more details, please see below. 9.0.0 ^^^^^ Add options to designate external dns driver of neutron ...

asked Oct 6, 2016 in openstack-announce by no-reply_at_openstac (33,960 points)   1 10 19
0 votes
11 responses 46 views

We'd like to introduce the VPP mechanism driver, networking-vpp[1], to the developer community. networking-vpp is an ML2 mechanism driver to control DPDK-based VPP user-space forwarders on OpenStack compute nodes. The code does what ...

asked Oct 5, 2016 in openstack-dev by Ian_Wells (5,300 points)   1 2 3
0 votes
0 responses 9 views

Hi! I have a bit of a n00b question. I'm trying the vmware_dvs mechanism driver. In my plugin.ini, I have: [ml2_vmware] vsphere_login=admin network_maps=physnet2:OPENSTACK-DVS vsphere_hostname= vsphere_password=password That DVS ...

asked Sep 1, 2016 in openstack by Chris_Paggen (120 points)  
0 votes
2 responses 9 views

Can Neutron support multiple mechanism drivers on the same compute node? I thought the answer was “no”. But I start to doubt when I read configuration guide about SR-IOV driver. Particularly the following bugs: SR-IOV port doesn’t ...

asked Jul 23, 2016 in openstack by Zhou,_Bin (180 points)  
0 votes
39 responses 3 views

I just proposed a review to openstack/governance repo [0] that aims to have everything across OpenStack be plugin based for all cross project interaction, or allow all projects access to the same internal APIs and I wanted to give a bit of ...

asked Jul 14, 2016 in openstack-dev by graham.hayes_at_hpe. (6,780 points)   1 2 2
0 votes
9 responses 22 views

Adding the proper tags in subject On Wed, Jul 13, 2016 at 1:22 PM, Numan Siddique wrote: > Hi Neutrinos, > > Presently, In the OVN ML2 driver we have 2 ways to sync neutron DB and OVN > DB > - At neutron-server startup, OVN ML2 driver syncs ...

asked Jul 13, 2016 in openstack-dev by nusiddiq_at_redhat.c (820 points)  
0 votes
5 responses 17 views

Hi together, I wanted to start discussion about Live Migration problem that currently exists in the nova neutron communication. Basics Live Migration and Nova - Neutron communication ------------------------------------------------------ On ...

asked Apr 12, 2016 in openstack-dev by Andreas_Scheuring (6,240 points)   1 8 12
0 votes
19 responses 15 views

Prior to the introduction of local.conf, the only way to configure OpenStack components was to introduce code directly into DevStack, so that DevStack would pick it up then inject it into the configuration file. This was because DevStack ...

asked Apr 8, 2016 in openstack-dev by Sean_M._Collins (11,480 points)   3 7 7
0 votes
10 responses 35 views

Hi Neutron team, I am currently working on a feature for hierarchical port binding support in Manila [1] [2]. Just to give some context: In the current implementation Manila creates a neutron port but let it unbound (state DOWN). Therefore ...

asked Feb 29, 2016 in openstack-dev by Marc_Koderer (1,180 points)   2
0 votes
0 responses 4 views

Hi all, As our midcycle is virtual and split into 6 "sessions" for the sake of timezones, we'll be sending a brief summary of each session so that folks can catch up before the next one. All of this info should be on the etherpad as well. ...

asked Feb 18, 2016 in openstack-dev by Jim_Rollenhagen (12,800 points)   2 3 3