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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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What is the OpenStack HEAT syntax for multiple fixed_ips as a parameter

I am trying to create a HEAT template that will use 'allowed_address_pairs' and neutron ports to support the concept of a virtual IP address shared between instances for an application similar to VRRP. I've followed the examples from…
Dom C
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OpenStack OpenContrail Horizon Login Error

Hello i am a newbie working with OpenStack, i have installed openstack + opencontrail by following (Single Node setup): http://www.opencontrail.org/opencontrail-quick-start-guide/ Opencontrail loads fine (WebConsole), but when i launch horizon web…
CharlyPL
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Canonical MAAS with multiple VLAN's

Regarding networking setup with Canonical MAAS. I got MAAS 1.9.3 running and have deployed Openestack. Got VM’s running and all that seems to be working. However i have decided that i would like to now route another IP range to the servers. I then…
ognjen011
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OpenStack Error(Neutron network service)

My Enviroment CentOS7 OpenStack(Liberty) Problem neutron port-show net-ID Unable to find port with name 'net-ID' How do I fix this problem?? Please help /etc/neutron/plugins/ml2/linuxbridge_agent.ini [linux_bridge] physical_interface_mappings =…
miya
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neutron error "(rule:create_port and rule:create_port:fixed_ips) to be performed"

I am trying to add multiple fixed IP address to some open stack instances I have running. I am attempting to do this with the following command: neutron port-create \ --format shell \ --fixed-ip subnet_id \ --fixed-ip subnet_id…
Alex Cohen
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No free nbd devices while installing multiple instances on openstack

I am already running Cirros OS instance on my openstack and now I am trying to install ubuntu instances on the OpenStack, but when I typed command nova list on my controller, it gave me error message as shown in the screen-print attached. I checked…
maverick
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"No valid host was found" when spawning Hadoop cluster in OpenStack Sahara

I want to create a Hadoop Cluster using OpenStack Sahara. I have a controller node and a compute node which are on different physical machines and have these IPs: Controller: 172.18.xxx.x1 and Compute: 172.18.xxx.x2 First I create a network with…
Peter
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How to access the instance of OpenStack VM instance from outside the subnent?

I have setup a cloud test bed using OpenStack. I used the 3 node architecture. The IP assigned to each node is as given below Compute Node : 192.168.9.19/24 Network Node : 192.168.9.10/24 Controller Node : 192.168.9.2/24 The link of instance created…
user2392616
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How to resolve error 'You are not allowed to start instance: ' with openstack

Installed packstack allinone in centos7. when creating vm getting error ' You are not allowed to start instance: '.
Dileep Nunna
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Ping failed to second ip in openstack instance

I have RDO openstack environment in a machine for testing. The RDO was installed with packstack --allinone command. Using HOT I have created two instances. One with cirros image and another with Fedora. The Fedora instance have two interfaces that…
kuro
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Openstack Liberty router, firewall panels not shown in Horizon

I've just deployed Liberty on a single machine using the official doc. For neutron, I used Provider networks configuration. When accessing horizon dashboard, I found that the router tab was missing. Is this a common issue??
MrHanachoo
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Openstack instance cannot access external network

I followed RDO:neutron-with-existing-external to install an openstack env on VirtualBox Instance(CentOS7). After that, I logged into openstack and created an cirros instance to check connectivity with external network. Then, weird thing…
Xianyi Ye
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How to pass user_data script to Python Openstack Heat-API client

How to pass user_data script to Python Heat-API client. I have the following script in a file I want to pass into an instance as user_data during creating, but I am not sure how to go about it doing. I am using the Heat API to create the instance.…
user2985306
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DevStack: unable to create Neutron Network

I am following this doc to install openstack in Ubuntu: https://wiki.opendaylight.org/view/OVSDB:OVSDB_OpenStack_Guide However, I am unable to create the Neutron Networks. I get the following error: $ neutron net-create my-private-net neutron…
user3155354
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Filter Floating IPs with Neutron Python API

I'm utilizing the Neutron Python API for OpenStack to attempt to filter for a specific Floating IP using the neutron.list_floatingips() method. In essence, I'm attempting to mimic this behavior: $ neutron floatingip-list --tenant-id xxx | grep…
Matt Roark
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