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Michael,

I am not a neutron expect but this bug 1433461 does not seem to be a duplicate of 1421024.

Bug 1433461 is for port binding while 1421024 is for Nexus switch not configured at all.

This is the fix for 1433461:

@@ -1337,7 +1337,7 @@ class Ml2Plugin(db_base_plugin_v2.NeutronDbPluginV2,

1337<https://git.openstack.org/cgit/openstack/neutron/tree/neutron/plugins/ml2/plugin.py?id=2b1c4f121e3e8ba1c5eb2ba6661bf6326e1507c5#n1337>

updated_port = self._make_port_dict(port)

1337<https://git.openstack.org/cgit/openstack/neutron/tree/neutron/plugins/ml2/plugin.py?id=355ab2f31cf81575c6e1c0899526177711425428#n1337>

updated_port = self._make_port_dict(port)

1338<https://git.openstack.org/cgit/openstack/neutron/tree/neutron/plugins/ml2/plugin.py?id=2b1c4f121e3e8ba1c5eb2ba6661bf6326e1507c5#n1338>

network = self.get_network(context,

1338<https://git.openstack.org/cgit/openstack/neutron/tree/neutron/plugins/ml2/plugin.py?id=355ab2f31cf81575c6e1c0899526177711425428#n1338>

network = self.get_network(context,

1339<https://git.openstack.org/cgit/openstack/neutron/tree/neutron/plugins/ml2/plugin.py?id=2b1c4f121e3e8ba1c5eb2ba6661bf6326e1507c5#n1339>

original_port['network_id'])

1339<https://git.openstack.org/cgit/openstack/neutron/tree/neutron/plugins/ml2/plugin.py?id=355ab2f31cf81575c6e1c0899526177711425428#n1339>

original_port['network_id'])

1340<https://git.openstack.org/cgit/openstack/neutron/tree/neutron/plugins/ml2/plugin.py?id=2b1c4f121e3e8ba1c5eb2ba6661bf6326e1507c5#n1340>

levels = db.get_binding_levels(session, port_id,

1340<https://git.openstack.org/cgit/openstack/neutron/tree/neutron/plugins/ml2/plugin.py?id=355ab2f31cf81575c6e1c0899526177711425428#n1340>

levels = db.get_binding_levels(session, port.id,

1341<https://git.openstack.org/cgit/openstack/neutron/tree/neutron/plugins/ml2/plugin.py?id=2b1c4f121e3e8ba1c5eb2ba6661bf6326e1507c5#n1341>

port.port_binding.host)

1341<https://git.openstack.org/cgit/openstack/neutron/tree/neutron/plugins/ml2/plugin.py?id=355ab2f31cf81575c6e1c0899526177711425428#n1341>

port.port_binding.host)

1342<https://git.openstack.org/cgit/openstack/neutron/tree/neutron/plugins/ml2/plugin.py?id=2b1c4f121e3e8ba1c5eb2ba6661bf6326e1507c5#n1342>

mech_context = driver_context.PortContext(

1342<https://git.openstack.org/cgit/openstack/neutron/tree/neutron/plugins/ml2/plugin.py?id=355ab2f31cf81575c6e1c0899526177711425428#n1342>

mech_context = driver_context.PortContext(

1343<https://git.openstack.org/cgit/openstack/neutron/tree/neutron/plugins/ml2/plugin.py?id=2b1c4f121e3e8ba1c5eb2ba6661bf6326e1507c5#n1343>

self, context, updated_port, network, port.port_binding,

1343<https://git.openstack.org/cgit/openstack/neutron/tree/neutron/plugins/ml2/plugin.py?id=355ab2f31cf81575c6e1c0899526177711425428#n1343>

self, context, updated_port, network, port.port_binding,


It is to correctly passing the port id to db.get_binding_levels and not just the first 11 characters of the port id.

I am interested to find out too.

Anthony.

From: Michael Gale [mailto:gale.michael at gmail.com]
Sent: Tuesday, February 16, 2016 12:57 PM
To: Anthony T CHOW
Cc: openstack at lists.openstack.org
Subject: Re: [Openstack] Nexus 9K - Nexus: Segment is an invalid type or not supported by this driver??

Hello,

    I am using Linux Bridge, I did see that bug report however it is marked as a duplicate of: https://bugs.launchpad.net/neutron/+bug/1433461 which indicates the issue was fixed in kilo. If I understand the report correctly.

Michael

On Tue, Feb 16, 2016 at 1:53 PM, Anthony T CHOW <anthony.chow at al-enterprise.com<mailto:anthony.chow at al-enterprise.com>> wrote:
Michael,

Are you using Linux Bridge or OvS?

There is a bug report: Linux bridge does not work with cisco_nexus ml2 plugins

https://bugs.launchpad.net/networking-cisco/+bug/1421024

anthony.

From: Michael Gale [mailto:gale.michael at gmail.com<mailto:gale.michael at gmail.com>]
Sent: Tuesday, February 16, 2016 12:42 PM
To: openstack at lists.openstack.org<mailto:openstack at lists.openstack.org>
Subject: [Openstack] Nexus 9K - Nexus: Segment is an invalid type or not supported by this driver??

Hello,

    I am having issues getting my Liberty environment working with VXLAN and N9K.

Currently I am getting the following errors in the logs on startup:
--snip--
2016-02-16 13:18:42.097 595 WARNING networking_cisco.plugins.ml2.drivers.cisco.nexus.mech_cisco_nexus [req-825a9891-0467-4958-86ca-c98486a7bf52 - - - - -] Nexus: Segment is an invalid type or not supported by this driv
er. Network type = vxlan Physical network = None. Event not processed.
--snip--

When trying to launch an instance:
--snip--
ERROR neutron.plugins.ml2.managers [req-d15ab080-7aa4-46e5-a5c3-b62a13c5646d d2b4e18cf27d41418845439f5d788523 eaa185709c79477fa1e3edfffa4e4c7f - - -] Failed to bind port 9b32f0e7-6b5b-4ced-84b7-262ea12e090c on host compute1

Nexus: Segment is None, Event not processed
--snip--

I am assuming I am missing something in the configuration file however I can't figure it out. Any help is greatly appreciated.

Thanks
Michael

Here is my ml2_conf.ini

--snip--
# ML2 general
[ml2]
type_drivers = flat,vlan,nexus_vxlan,local
tenant_network_types = nexus_vxlan
mechanism_drivers = linuxbridge,l2population,cisco_nexus
extension_drivers = port_security
path_mtu = 0
segment_mtu = 0



# ML2 VLAN networks
[ml2_type_vlan]
network_vlan_ranges = physeth1:100:163

[ml2_mech_cisco_nexus:10.92.192.45]
infra1_neutron_agents_container-ee5293cb=1/17
infra1_neutron_server_container-ed083568=1/17
infra2_neutron_agents_container-65f32f70=1/18
infra2_neutron_server_container-1e0b996b=1/18
infra3_neutron_agents_container-2faafbe7=1/19
infra3_neutron_server_container-9eabc975=1/19
compute1=1/21
compute2=1/22
username=openstack
password=foo123
ssh_port=22
physnet=physeth1

[ml2_mech_cisco_nexus:10.92.192.46]
infra1_neutron_agents_container-ee5293cb=1/17
infra1_neutron_server_container-ed083568=1/17
infra2_neutron_agents_container-65f32f70=1/18
infra2_neutron_server_container-1e0b996b=1/18
infra3_neutron_agents_container-2faafbe7=1/19
infra3_neutron_server_container-9eabc975=1/19
compute1=1/21
compute2=1/22
username=openstack
password=foo123
ssh_port=22
physnet=physeth1

# ML2 VXLAN networks
[ml2_type_vxlan]
vxlan_group =
vni_ranges = 1:1000

[ml2_type_nexus_vxlan]
# Comma-separated list of <vni_min>:<vni_max> tuples enumerating
# ranges of VXLAN VNI IDs that are available for tenant network allocation.
vni_ranges=50000:55000

# Multicast groups for the VXLAN interface. When configured, will
# enable sending all broadcast traffic to this multicast group. Comma separated
# list of min:max ranges of multicast IP's
# NOTE: must be a valid multicast IP, invalid IP's will be discarded
mcast_ranges=225.1.1.1:225.1.1.2

# Security groups
[securitygroup]
enable_security_group = True
enable_ipset = True

--snip--


and my linuxbridge_agent.ini:
--snip--
# Linux bridge agent physical interface mappings
[linux_bridge]

physical_interface_mappings = physeth1:eth11

# Linux bridge agent VXLAN networks
[vxlan]

enable_vxlan = True
vxlan_group =
# VXLAN local tunnel endpoint
local_ip = 10.96.2.141
l2_population = True


# Agent
[agent]
prevent_arp_spoofing = False

# Security groups
[securitygroup]
firewall_driver = neutron.agent.linux.iptables_firewall.IptablesFirewallDriver
enable_security_group = True

--snip--




--

“The Man who says he can, and the man who says he can not.. Are both correct”
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