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Hi,

well, I don't want br_tun to have an IP address as I don't want to use GRE or VXLAN. Does this mean that BOOTPROTO should be none?


Thanks,

	Uwe

Am 05.03.2015 um 12:13 schrieb Akash Gunjal:
> Hi,
> 
> I see that in your ifcfg-br_tun file, the BOOTPROTO is static. You need to give the IP address, gateway, netmask details in that file.
> 
> Regards,
> Akash
> 
> Inactive hide details for Uwe Sauter ---03/05/2015 04:08:02 PM---Hi all, I'm trying to setup Neutron (Juno) on CentOS 7 from RDUwe
> Sauter ---03/05/2015 04:08:02 PM---Hi all, I'm trying to setup Neutron (Juno) on CentOS 7 from RDO but keep failing. So here are
> some i
> 
> From: Uwe Sauter <uwe.sauter.de at gmail.com>
> To: "openstack at lists.openstack.org Openstack" <openstack at lists.openstack.org>
> Date: 03/05/2015 04:08 PM
> Subject: [Openstack] OpenVSwitch ports won't come up / Neutron configuration problems
> 
> ----------------------------------------------------------------------------------------------------------------------------------
> 
> 
> 
> Hi all,
> 
> 
> I'm trying to setup Neutron (Juno) on CentOS 7 from RDO but keep failing. So here are some items I'd like to get your opinion on:
> 
> (A graphical overview created with plotnetcfg (https://github.com/jbenc/plotnetcfg) and gimp'ed together is attached.)
> 
> * Hostnames
>  All my nodes have a native hostname that describes the location in my rack. E.g. os484001 means this is an
>  OpenStack member in rack 48, height unit 40, first node in this height unit. They then get additional hostnames
>  describing their function like "neutron-controller", "cinder01", etc., but only on the DNS server.
> 
>  Is this a problem? Do nodes need to be able to resolve all their hostnames from /etc/hosts? Or should services
>  get configured that native hostname (output from "hostname -s" or even socket.getfqdn() in Python)?
> 
> * Static network interface configuration
>  I have configured all network interfaces using /etc/sysconfig/network-scripts/ifcfg-<name>. Those that should be
>  part of OVS are configured like:
> 
>  /etc/sysconfig/network-scripts/ifcfg-enp6s0
>    NAME=enp6s0
>    HWADDR=00:21:5E:75:70:FA
>    TYPE=OVSPort
>    DEVICETYPE=ovs
>    ONBOOT=yes
>    BOOTPROTO=none
>    OVS_BRIDGE=br_tun
>    IPV4_FAILURE_FATAL=no
>    IPV6INIT=no
>    IPV6_AUTOCONF=no
>    IPV6_DEFROUTE=no
>    IPV6_FAILURE_FATAL=no
>    IPV6_PEERDNS=no
>    IPV6_PEERROUTES=no
>    NM_CONTROLLED=no
>    NOZEROCONF=yes
> 
>  Additionally I have configured all needed OVS bridges on compute and network nodes like:
>  (bridge names contain underscores instead of dashes as the management scripts don't allow
>  dashes in names)
> 
>  /etc/sysconfig/network-scripts/ifcfg-br_tun
>    DEVICE=br_tun
>    ONBOOT=yes
>    BOOTPROTO=static
>    DEVICETYPE=ovs
>    TYPE=OVSBridge
>    NOZEROCONF=yes
> 
>  Is this a correct way to configure OVS or do I have to rely on OpenStack / OVS database to restore the configuration after
>  reboot?
> 
> * With above configuration I got the problem that both hardware interfaces and some OVS bridges are not brought up after reboot.
> 
>  What am I doing wrong?
> 
> * I want to setup Neutron so that tenant networks are separated by VLANs. Unfortunately the documentation is sparse to none about
>  this so I get the feeling that GRE tunneling is the most supported way to separate networks.
> 
>  In this VLAN scenario, which OVS bridge needs to be connected to the physical interface (and therefore 802.1q enabled switch)?
>  br-int or br-tun (which in my case would be br_enp6s0 on the compute nodes and br_tun on the network node)?
> 
>  What else do I need to configure besides:
> 
>  /etc/neutron/plugin.ini
>    [ml2]
>    mechanism_drivers = openvswitch
>    tenant_network_types = local,vlan
>    type_drivers = local,vlan
>    [ml2_type_flat]
>    [ml2_type_vlan]
>    network_vlan_ranges = phys-tenant:1501:1510
>    [ml2_type_gre]
>    [ml2_type_vxlan]
>    [securitygroup]
>    enable_ipset = True
>    enable_security_group = True
>    firewall_driver = neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver
>    [ovs]
>    bridge_mappings = phys-external:br_ext,phys-tenant:br_tun
> 
> 
> 
> I'd appreciate every hint.
> 
> Regards,
> 
> Uwe
> [attachment "Neutron_setup.png" deleted by Akash Gunjal/India/IBM] _______________________________________________
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