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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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 ...
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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) ...
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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, ...
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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 ...
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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 ...
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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 ...
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openstack installation on ubuntu. Neutron connection issue
I try to configure on a single node openstack by following this tutorial: http://docs.openstack.org/juno/install-guide/install/apt/content/neutron-controller-node.html
My installation is done in a ...
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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) ...
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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 ...
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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 ...
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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 ['...
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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) ...
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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 ...
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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:/...
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OpenStack instance failed to deploy with error "Failed to bind port"
I've recently been struggling to deploy and instances on our OpenStack environment. Whenever I try to deploy a new instance from horizon, I get the following error message:
Error: Failed to perform ...
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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,...
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Openstack - security group rule priority
How can I set priority to security group rules in OpenStack via API? For example, I would like to banned one output port and I would not like the user can override it by another rule.
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Port mirroiring on Openstack
I'm using Openstack Zed on Ubuntu 22.04 deployed using MAAS and Juju. I'm trying to mirroir my traffic to an IDS instance. The option I've found so far is Tap as a Service. I've installed and ...
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Openstack Internal server error in adding external gateway to the router
I create a router without an external gateway. Then, I send the below input to this API to add an external gateway to the route. I get InternalServerError. All uuids exist in the openstack.
Input:
{&...
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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 ...
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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 ...
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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 ...
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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 (...
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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 ...
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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/...
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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 ...
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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(...
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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 ...
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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 ...
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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 ...
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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.
...
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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/...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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neutron-linuxbridge-agent is crashing in Openstack Ussuri
On our new Openstack Ussuri installation neutron-linuxbridge-agent crashes on both compute nodes. The installation followed the instructions for Ubuntu (20.04) at https://docs.openstack.org/install-...
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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 (...
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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'...
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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 ...
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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-...
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How to access internet from VM instance in Openstack?
I've been scratching my head for last 5 days, almost went to the end of Internet, read a lot of tutorials, made a lot of re installations an re configurations of openstack but at the and of the day ...
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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
...
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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 ...
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Tunneling cannot be enabled without the local_ip
I am trying to get an OS instance up&running on my local infrastructure (currently VirtualBox VMs only) using the official install-guides for Debian/Ubuntu as I am running on Debian 10 (Buster).
...
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