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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

296 questions
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Minimal devstack with nova and floating ips

I'm trying to set up a minimal devstack that can launch nova instances, some which will have public addresses, and some which will need to open connections to the public network. I'd like to be able to assign floating ips to the instances, and have…
Cirdec
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DevStack instances can't be reached outside devstack node

Following official documentation, I'm trying to deploy a Devstack on an Ubuntu 18.04 Server OS on a virtual machine. The devstack node has only one network card (ens160) connected to a network with the following CIDR 10.20.30.40/24. I need my…
S. Saeid Hosseini
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Error with openstack server list command

I installed Openstack on my CentOs VM and when i try to see the list of launched instances, i get this error $ openstack server list Ignoring domain related config user_domain_name because identity API version is 2.0 Ignoring domain related config…
upendra
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Remove a port to the external bridge with openvswitch

I was setting up a openstack configuration using this document: http://docs.openstack.org/juno/install-guide/install/apt/openstack-install-guide-apt-juno.pdf and got to page 72 where it says to do this: # ovs-vsctl add-port br-ex INTERFACE_NAME but…
M364M4N cro
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How to attach a floating IP using the present environment on openstack

I'm newbie on openstack heat file. I did search but I didn't find relevant answer to my question. Here my template heat yaml file : heat_template_version: newton description: Simple template to deploy a single compute instance with an attached…
dubis
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Instance creation in devstack icehouse

I want to create few instance having ubuntu installed on it using openstack. I tried following steps Approach 1 installed icehouse devstack git clone -b stable/icehouse https://github.com/openstack-dev/devstack.git cd devstack ./stack.sh after…
sumit kumar
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Openstack, neutron, Can't ping external network

I have followed the Icehouse doc to install a 3 node environment my openstack nodes are builded as virtual machines using libvirt in…
jazzsir
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failed to bind port in openstack-neutron

NOTE : I've seen this question and error being posted on different forums and in here, but none of them worked for me, and they belong to earlier versions of openstack. So, I posted a new question. I've been setting up OpenStack Train based on its…
aLuViAn
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Floating IP not pinging externally

I have successfully deployed everything in Redhat Openstack 11 with following settings. I was not able to ping the floating IP externally rather i can perform ping, ssh and other things using namespace. I have three controllers and two hypercoverged…
Sathiya Moorthy Karan
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Why use factory method in python?

I read below code in openstack neutron. class APIRouter(wsgi.Router): @classmethod def factory(cls, global_config, **local_config): return cls(**local_config) def __init__(self, **local_config): # do something. Not…
Kramer Li
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Can not remote debug if there is eventlet.monkey_patch() in code?

I am trying to do remote debug with PyCharm+Pydevd on python code. The code I try to remote debug is below: #!/usr/bin/python import eventlet eventlet.monkey_patch() def main(): import pydevd pydevd.settrace('10.84.101.215', port=11111,…
Kramer Li
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What is the value/benefit of OpenStack "Network/Storage" nodes?

OpenStack has 3 types of core nodes: Compute (Nova) Storage (Cinder) Network (Neutron) But to me, all Compute/Nova instances are VMs. VMs with file systems. VMs that need to be networked, and ultimately receive their network connections from a…
smeeb
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neutron-openvswitch-agent eventually fails listing/creating high count of ports on network node

I have been trying to create huge number of network,subnet and vrfs so as to have huge number of ports, but neutron ovs agent is failing with the following error, 2018-06-28 10:23:48.632 40956 ERROR neutron.agent.ovsdb.native.commands 2018-06-28…
Swathin
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where can I find log files in devstack?

[[local|localrc]] ADMIN_PASSWORD=pass123 DATABASE_PASSWORD=$ADMIN_PASSWORD RABBIT_PASSWORD=$ADMIN_PASSWORD SERVICE_PASSWORD=$ADMIN_PASSWORD HOST_IP=192.168.1.57 #…
Deepak Bisht
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OpenStack: Keystone and nova-network inactive after reboot

After Installing RDO (OpenStack Packstack) on CentOS 7.2 (7.2.1511) I always end up with following: Once OpenStack is successfully installed I can use OpenStack as intended. Even that openstack-status returns: .. openstack-nova-network: …
Michael Brenndoerfer
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