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Message #23981
Re: Can I create a VM with 2 NICs while there is only one network?
Thanks Salvatore
I can create two ports with admin-state down, which are in the same
network, but nova says that the two NICs of the VM can not be in the same
network.
Actually I want to redirect all the packets of the network to VM eth0,
after some processes the VM sends the packets out to eth1, so the two NICs
should be in the same network. Is it possible?
root@node1:/usr/src/python-quantumclient# quantum port-create
--admin-state-down net1
Created a new port:
+----------------------+-----------------------------------------------------------------------------------+
| Field | Value
|
+----------------------+-----------------------------------------------------------------------------------+
| admin_state_up | False
|
| binding:capabilities | {"port_filter": false}
|
| binding:vif_type | ovs
|
| device_id |
|
| device_owner |
|
| fixed_ips | {"subnet_id":
"c11eaa0d-3aff-41a8-909a-1dfdfdf20f48", "ip_address": "100.0.0.12"} |
| id | ca48bce7-7e42-4263-8832-cffb6e99ac0a
|
| mac_address | fa:16:3e:0e:08:e1
|
| name |
|
| network_id | 17d31ea4-4473-4da0-9493-9a04fa5aff33
|
| status | DOWN
|
| tenant_id | 53707d290204404dbff625378969c25c
|
+----------------------+-----------------------------------------------------------------------------------+
root@node1:/usr/src/python-quantumclient# quantum port-create
--admin-state-down net1
Created a new port:
+----------------------+-----------------------------------------------------------------------------------+
| Field | Value
|
+----------------------+-----------------------------------------------------------------------------------+
| admin_state_up | False
|
| binding:capabilities | {"port_filter": false}
|
| binding:vif_type | ovs
|
| device_id |
|
| device_owner |
|
| fixed_ips | {"subnet_id":
"c11eaa0d-3aff-41a8-909a-1dfdfdf20f48", "ip_address": "100.0.0.13"} |
| id | 8a320aae-4a16-4a78-acba-1ec505cfe914
|
| mac_address | fa:16:3e:db:c5:15
|
| name |
|
| network_id | 17d31ea4-4473-4da0-9493-9a04fa5aff33
|
| status | DOWN
|
| tenant_id | 53707d290204404dbff625378969c25c
|
+----------------------+-----------------------------------------------------------------------------------+
root@node1:/usr/src/python-quantumclient# nova boot --image cirros --flavor
m1.tiny --nic port-id=ca48bce7-7e42-4263-8832-cffb6e99ac0a --nic
port-id=8a320aae-4a16-4a78-acba-1ec505cfe914 testips
ERROR: The server has either erred or is incapable of performing the
requested operation. (HTTP 500) (Request-ID:
req-ac85648c-4e9b-4624-bf88-a6ceeb8e79aa)
nova-api.log:
3028 2013-05-28 11:50:06.007 3232 TRACE nova.api.openstack File
"/usr/lib/python2.7/contextlib.py", line 24, in __exit__
3029 2013-05-28 11:50:06.007 3232 TRACE nova.api.openstack
self.gen.next()
3030 2013-05-28 11:50:06.007 3232 TRACE nova.api.openstack File
"/usr/local/lib/python2.7/dist-packages/nova-2013.1-py2.7.egg/nova/compute/api.py",
line 522, in _validate_and_provision_instance
3031 2013-05-28 11:50:06.007 3232 TRACE nova.api.openstack
self._check_requested_networks(context, requested_networks)
3032 2013-05-28 11:50:06.007 3232 TRACE nova.api.openstack File
"/usr/local/lib/python2.7/dist-packages/nova-2013.1-py2.7.egg/nova/compute/api.py",
line 358, in _check_requested_networks
3033 2013-05-28 11:50:06.007 3232 TRACE nova.api.openstack
self.network_api.validate_networks(context, requested_networks)
3034 2013-05-28 11:50:06.007 3232 TRACE nova.api.openstack File
"/usr/local/lib/python2.7/dist-packages/nova-2013.1-py2.7.egg/nova/network/quantumv2/api.py",
line 454, in validate_networks
3035 2013-05-28 11:50:06.007 3232 TRACE nova.api.openstack raise
exception.NetworkDuplicated(network_id=net_id)
3036 2013-05-28 11:50:06.007 3232 TRACE nova.api.openstack
NetworkDuplicated: Network 17d31ea4-4473-4da0-9493-9a04fa5aff33 is
duplicated.
3037 2013-05-28 11:50:06.007 3232 TRACE nova.api.openstack
On Sat, May 25, 2013 at 5:33 AM, Salvatore Orlando <sorlando@xxxxxxxxxx>wrote:
> Nova does not have an option for creating 'unbound NICs', which would be
> tantamount to unplugged network cards, if this is what you want to achieve.
>
> Using Quantum you can create a few ports on some network, set these ports
> administratively down, and boot the VM with this ports (--nic port-id).
> Even if Quantum does not allow you to move these ports to another network
> perhaps it might still satisfy your requirements.
>
> Salvatore
>
>
>
> On 24 May 2013 04:23, Istimsak Abdulbasir <saqman2060@xxxxxxxxx> wrote:
>
>> Are you saying the the VM sees two virtual NICs or two physical NICs?
>>
>> Istimsak Abdulbasir
>>
>> "change is good"
>>
>>
>> On Thu, May 23, 2013 at 11:18 PM, Liu Wenmao <marvelliu@xxxxxxxxx> wrote:
>>
>>> Hello:
>>>
>>> I have a network with a subnet, I want create a VM with one NIC
>>> connected with this subnet, with one or two extra NIC left, because I want
>>> to do some more things such as intrusion protection
>>>
>>> I wonder is it possible to create a VM with more NICs than its connected
>>> network?
>>>
>>> _______________________________________________
>>> Mailing list: https://launchpad.net/~openstack
>>> Post to : openstack@xxxxxxxxxxxxxxxxxxx
>>> Unsubscribe : https://launchpad.net/~openstack
>>> More help : https://help.launchpad.net/ListHelp
>>>
>>>
>>
>> _______________________________________________
>> Mailing list: https://launchpad.net/~openstack
>> Post to : openstack@xxxxxxxxxxxxxxxxxxx
>> Unsubscribe : https://launchpad.net/~openstack
>> More help : https://help.launchpad.net/ListHelp
>>
>>
>
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