[Openstack] vm unable to get ip neutron with vmware nsx plugin

Vaidyanath Manogaran vaidyanath.m at gmail.com
Thu Jul 28 17:25:40 UTC 2016


its just simple DVS.

core_plugin = vmware_nsx.plugin.NsxDvsPlugin


On Thu, Jul 28, 2016 at 10:54 PM, Gary Kotton <gkotton at vmware.com> wrote:

> Hi,
>
> Which backend NSX version are you using? Is this NSX|V, NSX|MH or simple
> DVS?
>
> Thanks
>
> Gary
>
>
>
> *From: *Vaidyanath Manogaran <vaidyanath.m at gmail.com>
> *Date: *Thursday, July 28, 2016 at 8:04 PM
> *To: *Scott Lowe <scott.lowe at scottlowe.org>
> *Cc: *"openstack at lists.openstack.org" <openstack at lists.openstack.org>, "
> community at lists.openstack.org" <community at lists.openstack.org>
> *Subject: *Re: [Openstack] vm unable to get ip neutron with vmware nsx
> plugin
>
>
>
> Hi Scott,
>
> Thank you for the reply. my replies inline[MV]
>
>
>
> On Thu, Jul 28, 2016 at 8:29 PM, Scott Lowe <scott.lowe at scottlowe.org>
> wrote:
>
> Please see my responses inline, prefixed by [SL].
>
>
> On Jul 28, 2016, at 2:43 AM, Vaidyanath Manogaran <vaidyanath.m at gmail.com>
> wrote:
> >
> > 1- Controller node Services - keystone, glance, neutron, nova neutron
> plugins used - vmware-nsx - https://github.com/openstack/vmware-nsx/
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_openstack_vmware-2Dnsx_&d=CwMFaQ&c=Sqcl0Ez6M0X8aeM67LKIiDJAXVeAw-YihVMNtXt-uEs&r=VlZxHpZBmzzkWT5jqz9JYBk8YTeq9N3-diTlNj4GyNc&m=P9nqTtbpb0cd3RCGTLZ2FVIXDztbr46L6s8pM3ulswk&s=sHANOvMVbB4vailvn1AO1bxWfs6epyOTAAcuDkWKSEE&e=>
> neutron agents - openvswitch agent 2- compute node Services - nova-compute
>
>
> [SL] May I ask what version of NSX you're running?
> [MV] I have installed it from source picked up from github stable/mitaka -
> https://github.com/openstack/vmware-nsx/tree/stable/mitaka
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_openstack_vmware-2Dnsx_tree_stable_mitaka&d=CwMFaQ&c=Sqcl0Ez6M0X8aeM67LKIiDJAXVeAw-YihVMNtXt-uEs&r=VlZxHpZBmzzkWT5jqz9JYBk8YTeq9N3-diTlNj4GyNc&m=P9nqTtbpb0cd3RCGTLZ2FVIXDztbr46L6s8pM3ulswk&s=1y5-WQ8XAnjDMxyPqes3I2h6E9TfJzwPlTu70EJpTfY&e=>
>
> > I have all the services up and running. but when i provision the vm the
> vm is not assigning the IP address which is offered from DHCP server
>
>
> [SL] NSX doesn't currently handle DHCP on its own, so you'll need the
> Neutron DHCP agent running somewhere. Wherever it's running will need to
> have OVS installed and be registered into NSX as a "hypervisor" so that the
> DHCP agent can be plumbed into the overlay networks.
>
> One common arrangement is to build a Neutron "network node" that is
> running the DHCP agent and metadata agent, and register that into NSX.
>
>  [MV] I have setup only controller with neutron metadata and neutron dhcp
>
>
>
> root at controller:~# neutron agent-list
>
>
> +--------------------------------------+----------------+------------+-------+----------------+------------------------+
>
> | id                                   | agent_type     | host       |
> alive | admin_state_up | binary                 |
>
>
> +--------------------------------------+----------------+------------+-------+----------------+------------------------+
>
> | 5555dbd8-14d0-4a47-83bd-890737bcfe08 | DHCP agent     | controller | :-)
>   | True           | neutron-dhcp-agent     |
>
> | f183a3b6-b065-4b90-b5b7-b3d819c30f5b | Metadata agent | controller | :-)
>   | True           | neutron-metadata-agent |
>
>
> +--------------------------------------+----------------+------------+-------+----------------+------------------------+
>
> root at controller:~#
>
>
>
>
>
>
> > here are the config details:-
> >
> > root at controller:~# neutron net-show test
> +---------------------------+--------------------------------------+ |
> Field | Value |
> +---------------------------+--------------------------------------+ |
> admin_state_up | True | | created_at | 2016-07-28T13:35:22 | | description
> | | | id | be2178a3-a268-47f4-809e-8e0024c6f054 | | name | test | |
> port_security_enabled | True | | provider:network_type | vlan | |
> provider:physical_network | dvs | | provider:segmentation_id | 110 | |
> router:external | False | | shared | True | | status | ACTIVE | | subnets |
> 5009ec57-4ca7-4e2b-962e-549e6bbee408 | | tags | | | tenant_id |
> ce581005def94bb1947eac9ac15f15ea | | updated_at | 2016-07-28T13:35:22 |
> +---------------------------+--------------------------------------+
> >
> > root at controller:~# neutron subnet-show testsubnet
> +-------------------+------------------------------------------------------+
> | Field | Value |
> +-------------------+------------------------------------------------------+
> | allocation_pools | {"start": "192.168.18.246", "end": "192.168.18.248"} |
> | cidr | 192.168.18.0/24
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__192.168.18.0_24&d=CwMFaQ&c=Sqcl0Ez6M0X8aeM67LKIiDJAXVeAw-YihVMNtXt-uEs&r=VlZxHpZBmzzkWT5jqz9JYBk8YTeq9N3-diTlNj4GyNc&m=P9nqTtbpb0cd3RCGTLZ2FVIXDztbr46L6s8pM3ulswk&s=nky7Szid45D670NmpZ_3U5oQEt2c9uGU6boDOAH5YdY&e=>
> | | created_at | 2016-07-28T14:56:54 | | description | | | dns_nameservers
> | 192.168.13.12 | | enable_dhcp | True | | gateway_ip | 192.168.18.1 | |
> host_routes | | | id | 5009ec57-4ca7-4e2b-962e-549e6bbee408 | | ip_version
> | 4 | | ipv6_address_mode | | | ipv6_ra_mode | | | name | testsubnet | |
> network_id | be2178a3-a268-47f4-809e-8e0024c6f054 | | subnetpool_id | | |
> tenant_id | ce581005def94bb1947eac9ac15f15ea | | updated_at |
> 2016-07-28T14:56:54 |
> +-------------------+------------------------------------------------------+
> >
> > root at controller:~# ovs-vsctl show d516b5b1-db3f-4acd-856c-10d530c58c23
> Bridge br-dvs Port br-dvs Interface br-dvs type: internal Port "eth1"
> Interface "eth1" Bridge br-int Port br-int Interface br-int type: internal
> Port "tap91d8accd-6d" Interface "tap91d8accd-6d" type: internal
> ovs_version: "2.5.0"
> >
> > root at controller:~# ip netns qdhcp-be2178a3-a268-47f4-809e-8e0024c6f054
> >
> > root at controller:~# ip netns exec
> qdhcp-be2178a3-a268-47f4-809e-8e0024c6f054 ifconfig lo Link encap:Local
> Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host
> UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:0 errors:0 dropped:0
> overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:0 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
> >
> > tap91d8accd-6d Link encap:Ethernet HWaddr fa:16:3e:7f:5e:03 inet
> addr:192.168.18.246 Bcast:192.168.18.255 Mask:255.255.255.0 inet6 addr:
> fe80::f816:3eff:fe7f:5e03/64 Scope:Link UP BROADCAST RUNNING MULTICAST
> MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX
> packets:8 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0
> RX bytes:0 (0.0 B) TX bytes:648 (648.0 B)
> >
> > root at controller:~# ping 192.168.18.246 PING 192.168.18.246
> (192.168.18.246) 56(84) bytes of data. ^C --- 192.168.18.246 ping
> statistics --- 20 packets transmitted, 0 received, 100% packet loss, time
> 18999ms
> >
> > I dont have any agents running. because vmware_nsx should be taking care
> of the communication with openvswitch.
> >
> > Commandline: apt install openvswitch-switch Install:
> openvswitch-switch:amd64 (2.5.0-0ubuntu1~cloud0), openvswitch-common:amd64
> (2.5.0-0ubuntu1~cloud0, automatic)
> >
>
> [SL] You need to ensure you are using the version of OVS that is matched
> against your version of NSX. At this time, I don't believe it's OVS 2.5.0
> (as noted in your command-line installation of OVS).
>
> how to I ensure the supported version is installed. is there a support
> matrix? if so could you please share it?
>
> --
> Scott
>
>
>
>
>
> --
>
> Regards,
>
> Vaidyanath
> +91-9483465528(M)
>



-- 
Regards,

Vaidyanath
+91-9483465528(M)
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