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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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neutron-linuxbridge-agent oslo_service.service amqp.exceptions.InternalError: Connection.open: (541) INTERNAL_ERROR

Openstack Train version's neutron-linuxbridge-agent component's log show error: 2022-03-17 14:38:36.727 6 ERROR oslo_service.service File "/var/lib/kolla/venv/lib/python3.6/site-packages/amqp/connection.py", line 648, in _on_close 2022-03-17…
Victor Lee
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Openstack SSH keypair (public key) not being authorized or imported into instance

Sorry if this post has bad formatting. This is my first question on here. Please let me know how to fix if so. Openstack setup with RDO packstack all-in-one. Running on Centos-8-Stream. I have imported my public key into Horizon and selected it when…
Jack Hancock
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Openstack Cloud-init do not assign proper network interface to instance

I have a Openstack installation where lately some of the instances are not able to match de virtual interfaces attached to them and seems that is trying to link with old assigned mac to the same ip but deleted at some point from network maintenance…
jalbertoa
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How to set up flat network in openstack?

I deployed openstack via openstack-ansible and I'm trying to set up an openstack network so that the instances are accessible from the physical network (192.168.10.0/20): openstack network create --share --external \ --provider-physical-network flat…
Alex G
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Openstack - Add multiple IPs to one port

Currently I have setup an instance with one interface and a vip with keepalived. Communication to the primary interface is working but not to the vip. I have tried adding an additional port with the ip address but with no luck. Below is what I have…
tvziem
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Devstack single interface not working on ubuntu 20.04

Trying to bring up openstack using devstack scripts with branch stable/wallaby(also tried with stable/xena) with single interface with reference configuration from here. However while stacking, installation fails due to arping. Below is my netplan,…
Karthik Prasad
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Is it possible to create a cross-project security group

As titled, I want to create a security group that can be used in all projects. Let's said I have two security group: server-sg corey-sg A server running in admin project, its security group (server-sg) restrictions only allow the access source…
Corey
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Open stack Octavia quota exceeded for resources and failed

I using open stack Victoria on Ubuntu and i want to use from Octavia. but when i create a load balancer, it failed and in Octavia worker logs show this: ERROR oslo_messaging.rpc.server neutronclient.common.exceptions.OverQuotaClient: Quota exceeded…
ali.k.mirzaei
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Install Openstack on single node

I want to install Openstack on CentOS 8(single node). I am having single machine (physical machine) where I want to install all nodes of Openstack. This setup I required for simulation only not production use. I have tried to install Openstack using…
SAKA RAM DEWASI
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Microstack/Openstack VMs access on public/physical network

I'm new to openstack tech. need suggestions to implement. Apology if I have used an non tech. language as networks are not my core domain. Problem: I'm not able to access my vm's out of virtual microstack network on my physical network even after…
Azeem Aslam
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How configure Octavia in Openstack Kolla?

Im trying to deploy Octavia in Kolla Openstack, my global.yml is: config_strategy: "COPY_ALWAYS" kolla_base_distro: "ubuntu" kolla_install_type: "source" kolla_internal_vip_address: "169.254.1.11" network_interface:…
Abel
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Performance impact for attaching Security Group with more number of rules

I have an OpenStack Environment with 5000+ VMs running currently. I want to apply some common Security Group to all my running VMs. Common Security Group (SEC_GRP_COMMON) has around 700 rules. This Security Group (SEC_GRP_COMMON) has been shared to…
Dhana
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Why I cannot access Openstack Metadata Service?

I have kolla-ansible openstack ussuri cluster . It used to works well. Accidently, the metadata service cannot be accessed by instance. The keypair in openstack not imported to the instance. I checked the instance log. I found this…
Alief Darul Ikhsan
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Unable to establish connection to http://controller:9696/v2.0/networks

I'm setting up openstack infrastructure, composed from controller and compute nodes. I followed the process of setting sub-services as of USSURI version: keystone, glance, placement. See article When I came to neutron service, I started with setup…
CloudRock
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Microstack "neutron net-create" equivalent command

How to run the following command with Microstack neutron net-create mgmt --provider:network_type=vlan --provider:physical_network=physnet_em1 --provider:segmentation_id=500 --shared I tried: microstack.openstack network create mgmt…
Dalton Cézane
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