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Questions tagged [openstack-neutron]

Neutron is an OpenStack project to provide "networking as a service" between interface devices.

Neutron enables Network-Connectivity-as-a-Service for other services, such as . Provides an API for users to define networks and the attachments into them. Has a pluggable architecture that supports many popular networking vendors and technologies.

Main plugins included in neutron are

Open vSwitch Plugin

Cisco UCS/Nexus Plugin

Cisco Nexus1000v Plugin

Linux Bridge Plugin

Modular Layer 2 Plugin

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Openstack Heat template for flat network

I have configured 2-Node Openstack(Icehouse) setup and heat is also configured. when creating instance using HOT template it is successfully launched. But when I'm trying to create the flat network using my yml file it shows below error- "Unable to…
IRSHAD
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Ubuntu Landscape Openstack install kilo neutron-l3-agent: unrecognized service

I am running a Ubuntu Landscape Openstack install version kilo. I need to restart my neutron-l3-agent, but every time I try I get this error neutron-l3-agent: unrecognized service. I am using this command sudo service neutron-l3-agent restart. What…
brotherchris
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How to install OpenContrail without OpenStack

I want to understand what magic can OpenContrail do as Software Defined Networking and I am new to this OpenContrail Concept and VMs, etc. To understand this, I just want to install OpenContrail on my Ubuntu VM. I tried to follow this Official quick…
ganeshkaila
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Failed to launch instance

/etc/nova/nova-scheduler.log 2015-06-09 16:33:21.478 22017 INFO nova.scheduler.filter_scheduler [req-0a1934f9-2983-4d96-8410-f2a8747963da c8f956dbaa734f18836628172552645b 6c4ce8dfeeef4788a86d520020a50620] Attempting to build 1 instance(s) uuids:…
gaurav bajaj
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Why there are multiple processes for neutron-server in Juno

In Juno with CentOS [root@opjuno ~(keystone_admin)]# pstree -p -s -G 3235 systemd(1)---neutron-server(3235)-+-neutron-server(3245) +-neutron-server(3246) …
user250779
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Not able to create alarms using openstack API

Seeking help, I am not able to create Alarms using openstack API. Currently I am doing something like this : POST request to : http://controllerIP:8777/v2/alarms I have also set my headers [X-Auth-Token and Content-Type] And the Body I am sending…
maddy
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OpenStack Juno (Devstack) - How to Specify New Neutron Plugin Configuration Files?

I wasn't certain whether to put this question on stackoverflow or serverfault, but I think it is more coding related than IT infrastructure related. I'm adding a new Neutron L3 plugin and have attempted to mimic the functionality of a few good…
Ezra
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openstack-Neutron-LBaaS 503 returned by Haproxy

Recently I am working on LBaaS service. When I set up a pool and it serves, the haproxy process randomly returns 503: 503 Service Unavailabe No server is available to handle this request And I am pretty sure when this problrm happened, member…
DwyaneWade193
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Openstack with neutron on two physical nodes

We have two physical system(ubuntu14.04.2) having 2 physical NIC each. Is it possible to install openstack(juno) with neutron on same ? Official documentation says that we need 3 nodes with network node having 3 NICs Any help would be greatly…
C Deepak
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How can I configure Openstack Packstack Juno to work with external network on Centos 7

I have first disabled both NetworkManager and selinux on a Centos 7 x86_64 minimal install. I have followed the Red Hat instructions for deploying Openstack with Packstack here: https://openstack.redhat.com/Running_an_instance_with_Neutron After…
DevOops
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Neutron in DevStack

I am trying to set up a machine with a single network card running DevStack with Neutron, but shack.sh is failing with 2014-12-16 23:39:47.221 | [ERROR] /home/stack/devstack/functions-common:1091 Failure creating private IPv4 subnet for…
Larry
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How to find a Linux namespace by network adapter?

I have a Linux server with multiple network namespaces defined: # ip netns…
Cat Mucius
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Launch an openstack instance with two NIC

I want to launch a instance with two vNic card . On one vnic i want use for private network and other vNic use for public network, How we can do that in openstack ?
pawan
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Openstack slow performance between compute nodes

I have a 2 nodes RDO installation, which went off without any issue. One node is allinone and second node is a compute node, installed as instructed at https://openstack.redhat.com/Adding_a_compute_node The problem is the network performance on the…
Alex
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ODL and Openstack issue

I am running one controller and one compute node. Controller node is running both ODL and OpenStack. I created tenants, underthem i created networks and launched instances on them. All is see on ODL web GUI is 3 swithces, and I guess those are…
NewStacker
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