Open Stack

Hi all,

I am running IceHouse (RDO) and currently unable to attach a new interface
to a vm.

[root at localhost ~(keystone_admin)]# nova interface-attach myvm1
ERROR: PortLimitExceeded_Remote: Maximum number of ports exceeded
Traceback (most recent call last):

  File "/usr/lib/python2.6/site-packages/oslo/messaging/rpc/dispatcher.py",
line 133, in _dispatch_and_reply
    incoming.message))

  File "/usr/lib/python2.6/site-packages/oslo/messaging/rpc/dispatcher.py",
line 176, in _dispatch
    return self._do_dispatch(endpoint, method, ctxt, args)

  File "/usr/lib/python2.6/site-packages/oslo/messaging/rpc/dispatcher.py",
line 122, in _do_dispatch
    result = getattr(endpoint, method)(ctxt, **new_args)

  File "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line
399, in decorated_function
    return function(self, context, *args, **kwargs)

  File "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line
4345, in attach_interface
    context, instance, port_id, network_id, requested_ip)

  File "/usr/lib/python2.6/site-packages/nova/network/neutronv2/api.py",
line 440, in allocate_port_for_instance
    requested_networks=[(network_id, requested_ip, port_id)])

  File "/usr/lib/python2.6/site-packages/nova/network/neutronv2/api.py",
line 361, in allocate_for_instance
    LOG.exception(msg, port_id)

  File
"/usr/lib/python2.6/site-packages/nova/openstack/common/excutils.py", line
68, in __exit__
    six.reraise(self.type_, self.value, self.tb)

  File "/usr/lib/python2.6/site-packages/nova/network/neutronv2/api.py",
line 336, in allocate_for_instance
    security_group_ids, available_macs, dhcp_opts)

  File "/usr/lib/python2.6/site-packages/nova/network/neutronv2/api.py",
line 192, in _create_port
    raise exception.PortLimitExceeded()

PortLimitExceeded: Maximum number of ports exceeded
 (HTTP 413) (Request-ID: req-296d6c3a-fc7d-44c6-8a42-e139c969cf40)


The error does indicate I have run out of ports, but I have set ports limit
for the current tenant (which is "admin") to 100, and currently there are
only 12 ports in use. Can someone point outor help me in identifying which
limit I am hitting here.

[root at localhost ~(keystone_admin)]# neutron port-list
+--------------------------------------+------+-------------------+----------------------------------------------------------------------------------------+
| id                                   | name | mac_address       |
fixed_ips
           |
+--------------------------------------+------+-------------------+----------------------------------------------------------------------------------------+
| 0056d43b-5f9d-4562-b34a-8db655be5ddd |      | fa:16:3e:74:fb:33 |
{"subnet_id": "14d4b197-1121-4a4b-80b3-b8d80115f734", "ip_address":
"xxx.xxx.xxx.148"} |
| 057fabd8-1856-454d-a183-5fe64845fdd7 |      | fa:16:3e:87:85:d7 |
{"subnet_id": "14d4b197-1121-4a4b-80b3-b8d80115f734", "ip_address":
"xxx.xxx.xxx.149"} |
| 1199a31c-2437-406c-a1fa-807403a2e2f1 |      | fa:16:3e:49:ad:e0 |
{"subnet_id": "b7eeae38-682a-4397-8b3c-e3dee88527ab", "ip_address":
"10.0.0.46"}       |
| 2bb0e6f2-d41b-474c-8386-bcaa254f253f |      | fa:16:3e:81:5a:e8 |
{"subnet_id": "b7eeae38-682a-4397-8b3c-e3dee88527ab", "ip_address":
"10.0.0.45"}       |
| 6289f221-fe11-4674-b0f9-4ad47a4603f8 |      | fa:16:3e:57:72:13 |
{"subnet_id": "b7eeae38-682a-4397-8b3c-e3dee88527ab", "ip_address":
"10.0.0.44"}       |
| 6425fa7a-6c34-44a3-a4ec-1425e7bd338e |      | fa:16:3e:fe:8a:a5 |
{"subnet_id": "b7eeae38-682a-4397-8b3c-e3dee88527ab", "ip_address":
"10.0.0.1"}        |
| 808afd72-3d82-41ae-bed2-acc3d3398af9 |      | fa:16:3e:6f:92:12 |
{"subnet_id": "b7eeae38-682a-4397-8b3c-e3dee88527ab", "ip_address":
"10.0.0.3"}        |
| af83d9c6-f8ef-485f-b2d5-6568d14c6146 |      | fa:16:3e:6b:16:54 |
{"subnet_id": "b7eeae38-682a-4397-8b3c-e3dee88527ab", "ip_address":
"10.0.0.42"}       |
| b1b2d34f-0b90-4a8e-b13d-5e1005f176f4 |      | fa:16:3e:03:cc:c9 |
{"subnet_id": "b7eeae38-682a-4397-8b3c-e3dee88527ab", "ip_address":
"10.0.0.47"}       |
| bd688b2e-a990-44e6-96e1-4c547936b403 |      | fa:16:3e:c0:51:67 |
{"subnet_id": "14d4b197-1121-4a4b-80b3-b8d80115f734", "ip_address":
"xxx.xxx.xxx.147"} |
| c9dc3d20-8767-4197-b424-e8ebed58d890 |      | fa:16:3e:25:74:b1 |
{"subnet_id": "14d4b197-1121-4a4b-80b3-b8d80115f734", "ip_address":
"xxx.xxx.xxx.150"} |
| db40d356-efce-4b1f-9ada-987496497220 |      | fa:16:3e:3d:04:47 |
{"subnet_id": "b7eeae38-682a-4397-8b3c-e3dee88527ab", "ip_address":
"10.0.0.7"}        |
+--------------------------------------+------+-------------------+----------------------------------------------------------------------------------------+

Regards,
Vimal
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