It's on the list of things to do but I can't make any promises. On Wed, Apr 02, at 4:21 pm, Qin, Xiaohong wrote:
> Hi Henry, > > Thanks for the info. Do you have any idea that this will be addressed in > future releases? > > Thanks. > > Dennis Qin > > -----Original Message----- > From: Henry Gessau [mailto:ges...@cisco.com] > Sent: Wednesday, April 02, 2014 11:56 AM > To: openstack@lists.openstack.org > Subject: Re: [Openstack] Error in ml2 with cisco_nexus driver > > Hi Dennis, > > On Wed, Apr 02, at 1:28 pm Qin, Xiaohong (xiaohong....@emc.com) wrote: > >> Hi Kyle, >> >> I was also trying to use this Nexus driver with Ml2/VXLAN deployment >> in devstack. But for some reason, it didn't invoke the nexus driver >> code and > > The Nexus driver in ML2 does not support VXLAN. It supports only VLAN. > >> didn't do anything on my Nexus switch. I have followed the >> instructions posted in this link, >> >> https://wiki.openstack.org/wiki/Neutron/ML2/MechCiscoNexus >> >> Did I miss anything here? I have pulled the latest OpenStack code from the >> main branch. >> >> Thanks. >> >> Dennis Qin (aka Xiaohong Qin) >> >> -----Original Message----- >> From: Kyle Mestery (kmestery) [mailto:kmest...@cisco.com] >> Sent: Friday, November 29, 2013 7:57 PM >> To: Sayaji Patil >> Cc: <openstack@lists.openstack.org> >> Subject: Re: [Openstack] Error in ml2 with cisco_nexus driver >> >> On Nov 29, 2013, at 1:11 PM, Sayaji Patil <sayaj...@gmail.com> wrote: >>> >>> Hi, >>> I have set up an all-in-one installation using devstack. When I >>> try to create an instance, I get this error when the plugin tries to >>> create a vlan on the nexus switch >>> >>> 2013-11-27 16:38:29.752 ^[[00;32mDEBUG ncclient.transport.ssh >>> [^[[00;36m-^[[00;32m] ^[[01;35m^[[00;32mstarting thread (client mode): >>> 0x4509ed0L^[[00m ^[[00;33mfrom (pid=13833) _log >>> /usr/lib/python2.6/site-packages/paramiko/transport.py:1406^[[00m >>> 2013-11-27 16:38:29.753 ^[[01;31mERROR ncclient.transport.ssh >>> [^[[00;36m-^[[01;31m] ^[[01;35m^[[01;31mException: Error reading SSH >>> protocol banner^[[00m >>> 2013-11-27 16:38:29.753 ^[[01;31mERROR ncclient.transport.ssh >>> [^[[00;36m-^[[01;31m] ^[[01;35m^[[01;31mTraceback (most recent call >>> last):^[[00m >>> 2013-11-27 16:38:29.753 ^[[01;31mERROR ncclient.transport.ssh >>> [^[[00;36m-^[[01;31m] ^[[01;35m^[[01;31m File >>> "/usr/lib/python2.6/site-packages/paramiko/transport.py", line 1557, in >>> run^[[00m >>> 2013-11-27 16:38:29.753 ^[[01;31mERROR ncclient.transport.ssh >>> [^[[00;36m-^[[01;31m] ^[[01;35m^[[01;31m self._check_banner()^[[00m >>> 2013-11-27 16:38:29.754 ^[[01;31mERROR ncclient.transport.ssh >>> [^[[00;36m-^[[01;31m] ^[[01;35m^[[01;31m File >>> "/usr/lib/python2.6/site-packages/paramiko/transport.py", line 1683, in >>> _check_banner^[[00m >>> 2013-11-27 16:38:29.754 ^[[01;31mERROR ncclient.transport.ssh >>> [^[[00;36m-^[[01;31m] ^[[01;35m^[[01;31m raise SSHException('Error >>> reading SSH protocol banner' + str(x))^[[00m >>> 2013-11-27 16:38:29.754 ^[[01;31mERROR ncclient.transport.ssh >>> [^[[00;36m-^[[01;31m] ^[[01;35m^[[01;31mSSHException: Error reading >>> SSH protocol banner^[[00m >>> 2013-11-27 16:38:29.754 ^[[01;31mERROR ncclient.transport.ssh >>> [^[[00;36m-^[[01;31m] ^[[01;35m^[[01;31m^[[00m >>> 2013-11-27 16:38:29.754 ^[[01;31mERROR neutron.plugins.ml2.managers >>> [^[[01;36mreq-b51e27b6-2808-47ad-95db-e9d0113fcfe1 ^[[00;36mNone >>> None^[[01;31m] ^[[01;35m^[[01;31mMechanism driver 'cisco_nexus' >>> failed in update_port_postcommit^[[00m >>> ^[[01;31m2013-11-27 16:38:29.754 TRACE neutron.plugins.ml2.managers >>> ^[[01;35m^[[00mTraceback (most recent call last): >>> ^[[01;31m2013-11-27 16:38:29.754 TRACE neutron.plugins.ml2.managers >>> ^[[01;35m^[[00m File "/opt/stack/neutron/neutron/plugins/ml2/managers.py", >>> line 156, in _call_on_drivers >>> ^[[01;31m2013-11-27 16:38:29.754 TRACE neutron.plugins.ml2.managers >>> ^[[01;35m^[[00m getattr(driver.obj, method_name)(context) >>> ^[[01;31m2013-11-27 16:38:29.754 TRACE neutron.plugins.ml2.managers >>> ^[[01;35m^[[00m File >>> "/opt/stack/neutron/neutron/plugins/ml2/drivers/cisco/mech_cisco_nexus.py", >>> line 159, in update_port_postcommit >>> ^[[01;31m2013-11-27 16:38:29.754 TRACE neutron.plugins.ml2.managers >>> ^[[01;35m^[[00m self._invoke_nexus_on_port_event(context) >>> ^[[01;31m2013-11-27 16:38:29.754 TRACE neutron.plugins.ml2.managers >>> ^[[01;35m^[[00m File >>> "/opt/stack/neutron/neutron/plugins/ml2/drivers/cisco/mech_cisco_nexus.py", >>> line 149, in _invoke_nexus_on_port_event >>> ^[[01;31m2013-11-27 16:38:29.754 TRACE neutron.plugins.ml2.managers >>> ^[[01;35m^[[00m self._manage_port(vlan_name, vlan_id, host_id, >>> instance_id) >>> ^[[01;31m2013-11-27 16:38:29.754 TRACE neutron.plugins.ml2.managers >>> ^[[01;35m^[[00m File >>> "/opt/stack/neutron/neutron/plugins/ml2/drivers/cisco/mech_cisco_nexus.py", >>> line 114, in _manage_port >>> ^[[01;31m2013-11-27 16:38:29.754 TRACE neutron.plugins.ml2.managers >>> ^[[01;35m^[[00m vlan_name, port_id) >>> ^[[01;31m2013-11-27 16:38:29.754 TRACE neutron.plugins.ml2.managers >>> ^[[01;35m^[[00m File >>> "/opt/stack/neutron/neutron/plugins/ml2/drivers/cisco/nexus_network_driver.py", >>> line 194, in create_and_trunk_vlan >>> ^[[01;31m2013-11-27 16:38:29.754 TRACE neutron.plugins.ml2.managers >>> ^[[01;35m^[[00m self.create_vlan(nexus_host, vlan_id, vlan_name) >>> ^[[01;31m2013-11-27 16:38:29.754 TRACE neutron.plugins.ml2.managers >>> ^[[01;35m^[[00m File >>> "/opt/stack/neutron/neutron/plugins/ml2/drivers/cisco/nexus_network_driver.py", >>> line 131, in create_vlan >>> ^[[01;31m2013-11-27 16:38:29.754 TRACE neutron.plugins.ml2.managers >>> ^[[01;35m^[[00m self._edit_config(nexus_host, target='running', >>> config=confstr) >>> ^[[01;31m2013-11-27 16:38:29.754 TRACE neutron.plugins.ml2.managers >>> ^[[01;35m^[[00m File >>> "/opt/stack/neutron/neutron/plugins/ml2/drivers/cisco/nexus_network_driver.py", >>> line 68, in _edit_config >>> ^[[01;31m2013-11-27 16:38:29.754 TRACE neutron.plugins.ml2.managers >>> ^[[01;35m^[[00m mgr = self.nxos_connect(nexus_host) >>> ^[[01;31m2013-11-27 16:38:29.754 TRACE neutron.plugins.ml2.managers >>> ^[[01;35m^[[00m File >>> "/opt/stack/neutron/neutron/plugins/ml2/drivers/cisco/nexus_network_driver.py", >>> line 114, in nxos_connect >>> ^[[01;31m2013-11-27 16:38:29.754 TRACE neutron.plugins.ml2.managers >>> ^[[01;35m^[[00m raise cexc.NexusConnectFailed(nexus_host=nexus_host, >>> exc=e) >>> ^[[01;31m2013-11-27 16:38:29.754 TRACE neutron.plugins.ml2.managers >>> ^[[01;35m^[[00mNexusConnectFailed: Unable to connect to Nexus 172.25.31.82. >>> Reason: Negotiation failed. >>> ^[[01;31m2013-11-27 16:38:29.754 TRACE neutron.plugins.ml2.managers >>> ^[[01;35m^[[00m >>> 2013-11-27 16:38:29.755 ^[[01;31mERROR >>> neutron.openstack.common.rpc.amqp >>> [^[[01;36mreq-b51e27b6-2808-47ad-95db-e9d0113fcfe1 ^[[00;36mNone >>> None^[[01;31m] ^[[01;35m^[[01;31mException during message >>> handling^[[00m >>> ^[[01;31m2013-11-27 16:38:29.755 TRACE neutron.openstack.common.rpc.amqp >>> ^[[01;35m^[[00mTraceback (most recent call last): >>> ^[[01;31m2013-11-27 16:38:29.755 TRACE neutron.openstack.common.rpc.amqp >>> ^[[01;35m^[[00m File >>> "/opt/stack/neutron/neutron/openstack/common/rpc/amqp.py", line 438, in >>> _process_data >>> ^[[01;31m2013-11-27 16:38:29.755 TRACE neutron.openstack.common.rpc.amqp >>> ^[[01;35m^[[00m **args) >>> ^[[01;31m2013-11-27 16:38:29.755 TRACE neutron.openstack.common.rpc.amqp >>> ^[[01;35m^[[00m File "/opt/stack/neutron/neutron/common/rpc.py", line 44, >>> in dispatch >>> ^[[01;31m2013-11-27 16:38:29.755 TRACE neutron.openstack.common.rpc.amqp >>> ^[[01;35m^[[00m neutron_ctxt, version, method, namespace, **kwargs) >>> ^[[01;31m2013-11-27 16:38:29.755 TRACE neutron.openstack.common.rpc.amqp >>> ^[[01;35m^[[00m File >>> "/opt/stack/neutron/neutron/openstack/common/rpc/dispatcher.py", line 172, >>> in dispatch >>> ^[[01;31m2013-11-27 16:38:29.755 TRACE neutron.openstack.common.rpc.amqp >>> ^[[01;35m^[[00m result = getattr(proxyobj, method)(ctxt, **kwargs) >>> ^[[01;31m2013-11-27 16:38:29.755 TRACE neutron.openstack.common.rpc.amqp >>> ^[[01;35m^[[00m File "/opt/stack/neutron/neutron/plugins/ml2/rpc.py", line >>> 192, in update_device_up >>> ^[[01;31m2013-11-27 16:38:29.755 TRACE neutron.openstack.common.rpc.amqp >>> ^[[01;35m^[[00m q_const.PORT_STATUS_ACTIVE) >>> ^[[01;31m2013-11-27 16:38:29.755 TRACE neutron.openstack.common.rpc.amqp >>> ^[[01;35m^[[00m File "/opt/stack/neutron/neutron/plugins/ml2/plugin.py", >>> line 690, in update_port_status >>> ^[[01;31m2013-11-27 16:38:29.755 TRACE neutron.openstack.common.rpc.amqp >>> ^[[01;35m^[[00m >>> self.mechanism_manager.update_port_postcommit(mech_context) >>> ^[[01;31m2013-11-27 16:38:29.755 TRACE neutron.openstack.common.rpc.amqp >>> ^[[01;35m^[[00m File "/opt/stack/neutron/neutron/plugins/ml2/managers.py", >>> line 395, in update_port_postcommit >>> ^[[01;31m2013-11-27 16:38:29.755 TRACE neutron.openstack.common.rpc.amqp >>> ^[[01;35m^[[00m self._call_on_drivers("update_port_postcommit", context) >>> ^[[01;31m2013-11-27 16:38:29.755 TRACE neutron.openstack.common.rpc.amqp >>> ^[[01;35m^[[00m File "/opt/stack/neutron/neutron/plugins/ml2/managers.py", >>> line 167, in _call_on_drivers >>> ^[[01;31m2013-11-27 16:38:29.755 TRACE neutron.openstack.common.rpc.amqp >>> ^[[01;35m^[[00m method=method_name >>> ^[[01;31m2013-11-27 16:38:29.755 TRACE neutron.openstack.common.rpc.amqp >>> ^[[01;35m^[[00mMechanismDriverError: update_port_postcommit failed. >>> >>> Also now when I try to manually ssh to the switch, I get this error >>> >>> [root@openstackcoi logs]# ssh 172.25.31.82 -l admin >>> ssh_exchange_identification: Connection closed by remote host >>> >>> This is my ml2_conf_cisco.ini >>> >>> [ml2_mech_cisco_nexus:172.25.31.82] >>> openstackcoi=1/1 >>> ssh_port=22 >>> username=admin >>> password=******* >>> >>> Regards, >>> Sayaji >>> >> Sayali: >> >> Can you try ensuring you've done an ssh to the switch using the same >> username you are running devstack as? I believe you have to do this for the >> ssh to work, and only need to do this once. Let me know if this solves your >> problem. >> >> Thanks, >> Kyle >> >>> >>> >>> _______________________________________________ >>> Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >>> Post to : openstack@lists.openstack.org >>> Unsubscribe : >>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >> >> >> >> _______________________________________________ >> Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >> Post to : openstack@lists.openstack.org >> Unsubscribe : >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >> >> >> _______________________________________________ >> Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >> Post to : openstack@lists.openstack.org >> Unsubscribe : >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >> > > > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack@lists.openstack.org > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > > _______________________________________________ Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack Post to : openstack@lists.openstack.org Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
