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Questions tagged [openstack-neutron]

Neutron is a virtual network service for Openstack. It is an OpenStack project to provide "networking as a service" between interface devices (e.g., vNICs) managed by other Openstack services (e.g., nova).

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In CentOs how do I install openstack-neutron\openstack-neutron-ml2, openstack-neutron-linuxbridge? [closed]

OS:Centos7.9.2009 [root@controller ~]#yum install openstack-neutron openstack-neutron-ml2 openstack-neutron-linuxbridge ebtables Error: Package: python2-zmq-14.7.0-11.el7.x86_64 (epel) ...
Gary Zhang's user avatar
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Connect Openstack to Keycloak

I have set up OpenStack using Kolla and now need to connect the Horizon dashboard to Keycloak using OpenID. The OpenStack documentation does not provide clear guidance on this. If anyone has ...
Mehrdad's user avatar
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OpenStack ovs: Multiple rows in Manager patch "ptcp:6640:127.0.0.1"

While setting up OpenStack following the instructions on https://docs.openstack.org/2024.1/install/ I encounter an error on the netron-ovs-agent service. It wont start and shows the error message ...
tooola's user avatar
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How to diagnose slow ssh with OpenStack floating IP

I run VPS instances created with OpenStack hosted by a major provider. When I ssh from machine1 in the LAN to a machine2 or local IP address, the connection is immediate and always fast. With ssh from ...
TonyG's user avatar
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Openstack kolla create instance network error

I tried to create an instance and just when the IP from the selected network should be assigned to the instance, it fails. Of course, an IP is given, but it seems that it cannot create the interface ...
sajad mazaheri's user avatar
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Unable to fetch neutron oslo notifications from rabbitMQ

We are trying to fetch oslo notifications related to: 1: VM related tasks like create, delete and update from nova. 2: port related tasks like create, delete and update from neutron. This is being ...
Ravi Pillai's user avatar
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Losing connection when connecting br-ex to bond - openstack

I want to configure openstack on a bond with a private static IP address and I also connect to the server through the same bond. I realized as soon as I connect the bond to br-ex I get disconnected ...
Sol's user avatar
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Directly connect OpenStack Instance to VLAN with static IP

In migrating workloads from VMWare to OpenStack, we have some legacy instances that we need to handle. These instances are directly connected to a VLAN in the Physical network (without a router in ...
stromgren's user avatar
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167 views

Openstack - VNC console of an instance stuck in "connecting" mode

newbie here! I have 3 physical machines with Openstack Yoga installed and running (a controller, a compute and a block storage node). These 3 machines are physically connected (through Ethernet cable) ...
Pybubb's user avatar
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Questions on Openstack networking (Neutron) configuration

newbie here who's trying to understand Openstack networking topic. My setup: I have 3 physical machines with Openstack installed and running: - controller (with Keystone, Glance, Placement, Neutron, ...
Pybubb's user avatar
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Openstack Neutron vpnaas issue

Not able to use multiple PSK with one router in Openstack neutron. First IPsec tunnel from neutron router works fine, however, when I create another tunnel to another site with different PSK, the ...
Anjishth Kant Tripathi's user avatar
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neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent [-] Bridge enp125s0f0 for physical network provider does not exist. Agent terminated

My operating system is Debian 12. I deployed openstack cluster with two nodes, controller34 is control node, worker35 is work node, no extra network node, my network planning is work node and network ...
胡风一's user avatar
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203 views

Openstack instance is not getting its public IP

I have openstack up and running along with the public network. I am able to attach floating IPs and external gateway to routers. Everything seems to be working just fine apart from when launching an ...
student0909's user avatar
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269 views

Openstack instance neutron issue

I have deployed Multinode cluster of Openstack through kolla-ansible zed release. The problem I am facing is instances created cannot pick any Ip addresses (Rather than loop back ip or ipv6 addresses) ...
ASM-12's user avatar
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Openstack VM AlmaLinux OS 9.3-Multiple subnet NIC not working

I have situation to migrate Centos 7.9 to Almalinux 9.3 VM. Everything is working after migration and i have problem with Openstack Multi NIC not working in different subnet in AlmaLinux 9.3 OS. eth0 ...
Ck_7's user avatar
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Deprecated policy 'create_router:external_gateway_info:enable_snat' in Neutron without provided alternative

when I try to customize my policy for neutron, I encountered a problem: 2023-12-12 22:31:47.840 31668 WARNING oslo_policy.policy [None req-b27a6bef-0a7a-4536-b99d-cbfcb79a791c - - - - - -] Policies ['...
Glowberry's user avatar
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Openstack instance launch with self signed certificate throwing nova api error

trying to build a test environment with openstack:antelope on three nodes; controller, compute and networking. everything seems to be set up fine except i use a self-signed certificate and when i ...
aclaverie's user avatar
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When installing neutron ovn from openstack-ansible, ovs will be installed automatically if install_method is set to distro

We are trying to install openstack through openstack-ansible and configure neutron with ovn. The installation version was yoga/zed, and ovn was configured by referring to the link below. yoga : https:/...
Aaron's user avatar
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Openstack kolla FWaaS Zed setup

I have set up OpenStack with Kolla-Ansible Zed. However, I noticed that there is no enable_plugin option in the /etc/kolla/global.yml file. Now, I am trying to install FWaaS (Firewall-as-a-Service) ...
Logitech Flames's user avatar
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How to disable or fix OpenStack intercepting DNS PTR queries

I have several virtual machines with Debian/GNU Linux running on OpenStack. When resolving their internal IPv4 addresses I get some strange results: # ip -c addr show dev eth0 2: eth0: <BROADCAST,...
pmhahn's user avatar
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Beginner: VM Instances Can't Access External Network And Few Other Questions

I was trying to deploy a multinode OpenStack cloud using Kolla-Ansible by following this doc and many others: https://docs.openstack.org/project-deploy-guide/kolla-ansible/2023.1/multinode.html. I ...
Muhammad Hanis Irfan Mohd Zaid's user avatar
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Openstack - Failed to Create Instance using Availability Zone parameter

Summary I have fairly small Openstack Cluster with 2 AZ : AZ-GOLD-6248R have 3 compute node and AZ-E5-2630 have 1 compute node (both AZ had different specs) I can create instance to AZ-E5-2630 using ...
Febryandana's user avatar
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In Openstack, as a user, how can I list or see the admin-created routers?

Using OpenStack-ansible Yoga : as a user in OpenStack I can see all admin-created provider networks in Horizon Network-Topology but I cannot see any admin-created routers, not in the Horizon interface ...
Peter's user avatar
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CRITICAL neutron [-] Unhandled error: neutron.privileged.agent.linux.ip_lib.InterfaceOperationNotSupported Openstack

As per OpenStack nice documentation, I configure the neutron minimal setup with the "self-service network" option. when all configurations done i see the verify command "openstack ...
Mehedy Hasan's user avatar
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1k views

canonical openstack horizon dashboard login not working

I have set up openstack yoga on ubuntu 22.04 using option2 selfservice network after creating the networks and flavours I install the horizon dashboard. when i go to log in using admin i get the ...
shorif2000's user avatar
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236 views

openstack selfservice network error Invalid input for operation: Segmentation ID should be lower or equal to 4095

I am running ubuntu 22.04 lts with openstack yoga. when i run the following command openstack network create selfservice --debug i get error POST call to network for http://controller1:9696/v2.0/...
shorif2000's user avatar
1 vote
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375 views

Can't ping Openstack guest VM from other machines in the provider network - are there FW rules lacking?

Can't ping Openstack guest VM from another machine in the provider network. I have a small setup of Openstack Zed on Ubuntu 22.04. A control host, a compute host and one host "external" in ...
pilog's user avatar
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248 views

ARP requests not passed between instances across the same subnet or connected to the same router

I have a k8s cluster deployed in OpenStack which for communication uses internal network and only the Master nodes have floating IP's in the external network. I am trying to use MetalLB load balancer(...
Marius Gulie's user avatar
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1 answer
3k views

What does ping not showing any results mean?

I deployed a kolla-openstack and attached floating IP to an instance in it. Now while I am trying to ping the IP I am getting no response, but when I do ctrl+c it shows 100% loss. Now leaving this ...
Vishwa Mithra Tatta's user avatar
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1 answer
916 views

OpenStack Queens: Horizon Fails after rebooting the controller node

The controller node was rebooted and some VMs were running. After that, when logging to Horizon, I keep receiving the following error: Error: Unable to retrieve instances. And I can no longer see the ...
Ramy Fouad's user avatar
1 vote
0 answers
178 views

Start instances from specific subnet

we have a network with two subnets (subnet1, subnet2). However when instances are launched they receive IP only one from subnet1 (probably until it has no more IPs to offer) Do you know the rule on ...
donkihott's user avatar
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1 answer
525 views

Openstack instance is unreachable

I am facing the following issue with my new Openstack installation. The installation is a little bit weird and to elaborate more, I have a controller and a compute node running as VMs in XenServer. ...
geo_pap's user avatar
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281 views

Removal of default routes with multiple subnets under Openstack Provider Network

I have a self-service network with a single external connection via the 192.168.100.0/24 subnet. It also has multiple subnets under this external connection via the 192.168.101.0/24 and 192.168.102.0/...
Elf's user avatar
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VPN Between OpenStack and AWS VPC

I have an OpenStack server with Vms. I have a number of instances in AWS. The VMs in both cases need to see each other. I could setup Tinc or OpenVPN on VMs but this seems prone to failure. I've ...
Brian Dunbar's user avatar
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1 answer
443 views

Should associated floating IPs be configured/visible on VM?

perhaps anybody here inside can assist me with a problem (or question) with floating IPs. I am creating a floating IP by allocating one from a defined pool and associate it to a running VM within my ...
Joachim's user avatar
1 vote
1 answer
613 views

OVN Cluster Health Command

Is there any command-line tool for the OVN Cluster Health check? Or each of its components? and a command or commands which gives stats about the cluster. For example, without a functional test, I ...
Milad Jahandideh's user avatar
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1 answer
820 views

Is there a way to access my OpenStack instance without floating IP?

It seems theoretically possible for me to ssh to my instance in OpenStack through credentials and instance id/network IP(Not floating IP) etc. Is it possible, am I missing something? Is it simply a ...
Vishwa Mithra Tatta's user avatar
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OpenStack set global security rules which assigning as "default" to tenant

I need to assign some rules to default security groups each time a tenant creating. I know how to assign rules to a default security group of a specific tenant. But i mean changing the global one ...
Vahid Alimohamadi's user avatar
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1 answer
172 views

How i can assign /32 ip address to openstack nova instance without float ip?

I'm developing a custom panel for my openstack home lab via rest api. I've investigated Hetzner cloud ip (v4) addressing mechanism and i found it is like this: It is assigning /32 valid ip v4 address ...
Vahid Alimohamadi's user avatar
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0 answers
286 views

Openstack VM is not allowed to send packets with the floating ip as origin

I have the following problem, following up on my previous attempt to seek help. I have a VM that wants to communicate with other VMs that reside somewhere outside of OpenStack. I tried doing that ...
thurlimann's user avatar
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1 answer
248 views

OpenStack Wallaby Neutron unable to update Designate zone

So … I'm trying to get neutron to update designate zones. There initially wasn't any issue with OpenStack Victoria, but trying to update to (or install a fresh) OpenStack Wallaby turned this into a ...
AliveDevil's user avatar
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1 answer
257 views

How do I add floating IPs to my ansible Openstack deployment?

So, I successfully deployed openstack with two interfaces. One having an external IP (Which I use to connect to my openstack deployment) and another dummy interface with only an internal network IP (...
Vishwa Mithra's user avatar
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0 answers
121 views

Tunnel packets get filtered or stripped off, also certain packets like BGP

I was trying to figure this out for quite some while now. So I am trying my luck here now... I have some VMs that should communicate with non VMs. There are 2 use cases. The first are BareMetal ...
thurlimann's user avatar
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0 answers
534 views

OpenStack Slowness on Centos Stream

I just deployed a new cluster of Openstack Victoria using PackStack on Centos Stream, same hardware but for some reason this new cluster runs terribly slow, from the dashboard to the actual instances (...
schap's user avatar
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380 views

Snat not working

Im using centos 8.3 and Usurri. Made the installation following the official tutorial. Everything is working, except the SNAT. From a new instance, when I try to access any external address, it doesn'...
Vinicius Coelho's user avatar
1 vote
0 answers
580 views

Cannot create an instance due to failed binding

I'm deploying openstack on 3 nodes (controller, compute and block storage). Each of my nodes have 2 attachements eno1 on the management network and eno2 on a provider network (192.168.3.0/24). I'm ...
Mdstn's user avatar
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1 answer
76 views

containerized Openstack services

I have a difficulties in the following question: "Does it make sense to containerized/dockerize the openstack controlling services like Neurtron/Cinder/Glance/Keystone server services (neutron-...
user393397's user avatar
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548 views

Openstack Instances cant communicate or ping the subnet the controller and compute is on

For some reason i am not able to ping from an instance to the subnet the controller and compute's are on. The network is pretty simple. VM's/Instances: 10.10.2.0/24 Controller/Compute's: 10.10.1.0/24 ...
schap's user avatar
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1 vote
0 answers
92 views

Openstack VPNaaS tunnel sharing option

I am currently configuring a VPN using the VPNaaS of neutron. We are setting an IPSec tunnel with an external partner. The communication is established, but he ask me what type of tunnel sharing we ...
Dazul's user avatar
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1 vote
0 answers
1k views

Openstack instance lost internet access after ataching floating ip

Maybe someone has same problem I have installed Openstack Victoria on two virtualmachines (1 controller node, 1 compute node) running ubuntu 20.04. Each node has two network interfaces, mgmt network ...
twojold's user avatar
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