[Rdo-list] [Grizzly] Network problem with Quantum + Openvswitch + Vlan
Gary Kotton
gkotton at redhat.com
Sun Apr 28 07:07:58 UTC 2013
On 04/28/2013 10:04 AM, Zhang, Kimi (NSN - CN/Cheng Du) wrote:
>
> I tried that too, no lucky.
>
> From tcpdump ,it seems br-int does not forward any packet to
> interfaces connect to br-p3p1, which connects to physical network...
>
There could be a number of issues here:
1. The iptables are dropping the traffic (I am in the process of getting
a setup up and running)
2. The network connectivity
In order to ensure that it is not the first one can you try and see
which iptables rules are matched or disable the iptables?
> Regards,
>
> Kimi Zhang
>
> MP: +86 186 0800 8182
>
> Call me(NCS): sip:+86018608008182
>
> *From:*ext Gary Kotton [mailto:gkotton at redhat.com]
> *Sent:* Sunday, April 28, 2013 3:01 PM
> *To:* Zhang, Kimi (NSN - CN/Cheng Du)
> *Cc:* rdo-list at redhat.com
> *Subject:* Re: [Rdo-list] [Grizzly] Network problem with Quantum +
> Openvswitch + Vlan
>
> On 04/28/2013 09:54 AM, Zhang, Kimi (NSN - CN/Cheng Du) wrote:
>
> Hi, Gary
>
> Yes, I'm aware of that packstack does not support quantum yet. The
> whole setup was installed manually.
>
> I did run quantum-server-setup and quantum-host-setup, I tried
> linuxbridge plugin too, it has no issue for VM to get IP address, but
> openvswitch has issues on this...
>
>
> ok.
>
> if you configure and IP address manually on the VM are you able to
> ping the port of the DHCP agent?
>
> you can get the IP from quantum port-list
>
>
>
> Regards,
>
> Kimi
>
> *From:*rdo-list-bounces at redhat.com
> <mailto:rdo-list-bounces at redhat.com>
> [mailto:rdo-list-bounces at redhat.com] *On Behalf Of *ext Gary Kotton
> *Sent:* Sunday, April 28, 2013 2:50 PM
> *To:* rdo-list at redhat.com <mailto:rdo-list at redhat.com>
> *Subject:* Re: [Rdo-list] [Grizzly] Network problem with Quantum +
> Openvswitch + Vlan
>
> Hi Kimi,
> Thanks for the mail. Please see the inline comments below. Please note
> that at the moment we do not have packstack support for Quantum so
> there is a little manual plumbing that needs to be done (not sure if
> you have done this already).
> On the host where the quantum service is running you need to run
> quantum-server-setup and on the compute nodes you need to run
> quantum-host-setup (please note that the relevant keystone credentials
> need to be set too).
> Thanks
> Gary
>
> On 04/28/2013 09:38 AM, Zhang, Kimi (NSN - CN/Cheng Du) wrote:
>
> converted from rtf
>
> When I start VM instance, the VM can't get IP address. Could someone
> help me on this ?
>
>
> I will try
>
>
> 3 nodes Setup with RHEL 6.4 OS + rdo grizzly repository.
>
> ·Controller node:
>
> Services: Keystone+Glance+Cinder+Quantum server + Nova services
>
> Network: bond0(10.68.125.11 for O&M)
>
> ·Network node:
>
> Services: quantum-openvswitch-agent, quantum-l3-agent,
> quantum-dhcp-agent, quantum-metadata-agent
>
> Network: bond0(10.68.125.15 for O&M) , p3p1 for VM internal network,
> p3p2 for external network
>
>
> Please note that RHEL currently does not support namespaces so there
> are a number of limitations. We are addressing this at the moment. If
> namespaces are not used then it is suggested that one does not run the
> DHCP agent and the L3 agent on the same host. The reason for this is
> that there is no network isolation.
>
>
>
> ·Compute node:
>
> Services: nove-compute and quantum-openvswitch-agent
>
> Network: bond0(10.68.125.16 for O&M), p3p1 for VM internal network
>
> ·Switch setup tagging for vlan 1000-2999 for p3p1 ports(VM network) of
> network and compute nodes.
>
> 1.Quantum.conf:
>
> [DEFAULT]
>
> debug = True
>
> verbose = True
>
> lock_path = $state_path/lock
>
> bind_host = 0.0.0.0
>
> bind_port = 9696
>
> core_plugin =
> quantum.plugins.openvswitch.ovs_quantum_plugin.OVSQuantumPluginV2
>
> api_paste_config = api-paste.ini
>
> rpc_backend = quantum.openstack.common.rpc.impl_kombu
>
>
> Are you using rabbit or qpid?
>
>
>
> control_exchange = quantum
>
> rabbit_host = 10.68.125.11
>
> notification_driver = quantum.openstack.common.notifier.rpc_notifier
>
> default_notification_level = INFO
>
> notification_topics = notifications
>
> [QUOTAS]
>
> [DEFAULT_SERVICETYPE]
>
> [AGENT]
>
> polling_interval = 2
>
> root_helper = sudo quantum-rootwrap /etc/quantum/rootwrap.conf
>
> [keystone_authtoken]
>
> auth_host = 10.68.125.11
>
> auth_port = 35357
>
> auth_protocol = http
>
> signing_dir = /var/lib/quantum/keystone-signing
>
> admin_tenant_name = service
>
> admin_user = quantum
>
> admin_password = password
>
> 2.ovs_quantum_plugin.ini
>
> [DATABASE]
>
> sql_connection = mysql://quantum:quantum@10.68.125.11:3306/ovs_quantum
> <mailto:mysql://quantum:quantum@10.68.125.11:3306/ovs_quantum>
>
> reconnect_interval = 2
>
> [OVS]
>
> tenant_network_type = vlan
>
> network_vlan_ranges = physnet1:1000:2999
>
> bridge_mappings = physnet1:br-p3p1
>
> [AGENT]
>
> polling_interval = 2
>
> [SECURITYGROUP]
>
> 3.nova.conf
>
> [DEFAULT]
>
> verbose=true
>
> logdir = /var/log/nova
>
> state_path = /var/lib/nova
>
> lock_path = /var/lib/nova/tmp
>
> volumes_dir = /etc/nova/volumes
>
> dhcpbridge = /usr/bin/nova-dhcpbridge
>
> dhcpbridge_flagfile = /etc/nova/nova.conf
>
> force_dhcp_release = True
>
> injected_network_template = /usr/share/nova/interfaces.template
>
> libvirt_nonblocking = True
>
> libvirt_inject_partition = -1
>
> network_manager = nova.network.manager.FlatDHCPManager
>
> iscsi_helper = tgtadm
>
> compute_driver = libvirt.LibvirtDriver
>
> libvirt_type=kvm
>
> libvirt_ovs_bridge=br-int
>
> firewall_driver = nova.virt.libvirt.firewall.IptablesFirewallDriver
>
> manager=nova.conductor.manager.ConductorManager
>
> rpc_backend = nova.openstack.common.rpc.impl_kombu
>
> rabbit_host = 10.68.125.11
>
> rootwrap_config = /etc/nova/rootwrap.conf
>
> use_deprecated_auth=false
>
> auth_strategy=keystone
>
> glance_api_servers=10.68.125.11:9292
>
> image_service=nova.image.glance.GlanceImageService
>
> novnc_enabled=true
>
> novncproxy_base_url=http://10.68.125.11:6080/vnc_auto.html
>
> novncproxy_port=6080
>
> vncserver_proxyclient_address=10.68.125.16
>
> vncserver_listen=0.0.0.0
>
> libvirt_vif_driver=nova.virt.libvirt.vif.LibvirtHybridOVSBridgeDriver
>
> libvirt_use_virtio_for_bridges=True
>
> network_api_class=nova.network.quantumv2.api.API
>
> quantum_url=http://10.68.125.11:9696
>
> quantum_auth_strategy=keystone
>
> quantum_admin_tenant_name=service
>
> quantum_admin_username=quantum
>
> quantum_admin_password=password
>
> quantum_admin_auth_url=http://10.68.125.11:35357/v2.0
>
> linuxnet_interface_driver=nova.network.linux_net.LinuxOVSInterfaceDriver
>
> libvirt_vif_type=ethernet
>
> service_quantum_metadata_proxy = True
>
> quantum_metadata_proxy_shared_secret = helloOpenStack
>
> metadata_host = 10.68.125.11
>
> metadata_listen = 0.0.0.0
>
> metadata_listen_port = 8775
>
> [keystone_authtoken]
>
> admin_tenant_name = service
>
> admin_user = nova
>
> admin_password = password
>
> auth_host = 10.68.125.11
>
> auth_port = 35357
>
> auth_protocol = http
>
> signing_dir = /tmp/keystone-signing-nova
>
> 4.ovs-vsctl show on network node:
>
> aeeb6cf7-271b-405a-aa17-1b95bcd9e301
>
> Bridge "br-p3p1"
>
> Port "p3p1"
>
> Interface "p3p1"
>
> Port "phy-br-p3p1"
>
> Interface "phy-br-p3p1"
>
> Port "br-p3p1"
>
> Interface "br-p3p1"
>
> type: internal
>
> Bridge br-ex
>
> Port br-ex
>
> Interface br-ex
>
> type: internal
>
> Port "qg-a83c0abd-f4"
>
> Interface "qg-a83c0abd-f4"
>
> type: internal
>
> Port "p3p2"
>
> Interface "p3p2"
>
> Bridge br-int
>
> Port br-int
>
> Interface br-int
>
> type: internal
>
> Port "int-br-p3p1"
>
> Interface "int-br-p3p1"
>
> Port "tap1f386a2a-12"
>
> tag: 1
>
> Interface "tap1f386a2a-12"
>
> type: internal
>
> ovs_version: "1.9.0"
>
> 5.ovs-vsctl show on compute node:
>
> 8d6c2637-ff69-4a2d-a7db-e4f181273bc0
>
> Bridge "br-p3p1"
>
> Port "br-p3p1"
>
> Interface "br-p3p1"
>
> type: internal
>
> Port "phy-br-p3p1"
>
> Interface "phy-br-p3p1"
>
> Port "p3p1"
>
> Interface "p3p1"
>
> Bridge br-int
>
> Port "qvo56a4572c-dc"
>
> tag: 2
>
> Interface "qvo56a4572c-dc"
>
> Port "int-br-p3p1"
>
> Interface "int-br-p3p1"
>
> Port br-int
>
> Interface br-int
>
> type: internal
>
> ovs_version: "1.9.0"
>
> On compute node, I can see dhcp request packet from tcpdump on
> qvo56a4572c-dc, but it seems the packet is not forwarded out since I
> can't see packet from int-br-p3p1 on br-int or any port from br-p3p1.
>
>
> Any chance to get the DHCP and the L3 agent configuration files?
> Please check that use_namespaces = False in both of these files.
>
> Are there any log errors?
>
>
>
> Thank you!
>
> Regards,
>
> Kimi
>
>
>
>
>
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