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<p><font size="2" face="sans-serif">Hi,</font><br>
<br>
<font size="2" face="sans-serif">Yes, if IP is not needed set the BOOTPROTO to none.</font><br>
<br>
<font size="2" face="sans-serif">Regards,</font><br>
<font size="2" face="sans-serif">Akash</font><br>
<br>
<img width="16" height="16" src="cid:1__=EABBF76CDFD75F748f9e8a93df938@in.ibm.com" border="0" alt="Inactive hide details for Uwe Sauter ---03/05/2015 05:17:03 PM---Hi, well, I don't want br_tun to have an IP address as I don't"><font size="2" color="#424282" face="sans-serif">Uwe Sauter ---03/05/2015 05:17:03 PM---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 m</font><br>
<br>
<font size="1" color="#5F5F5F" face="sans-serif">From: </font><font size="1" face="sans-serif">Uwe Sauter <uwe.sauter.de@gmail.com></font><br>
<font size="1" color="#5F5F5F" face="sans-serif">To: </font><font size="1" face="sans-serif">Akash Gunjal/India/IBM@IBMIN</font><br>
<font size="1" color="#5F5F5F" face="sans-serif">Cc: </font><font size="1" face="sans-serif">"openstack@lists.openstack.org Openstack" <openstack@lists.openstack.org></font><br>
<font size="1" color="#5F5F5F" face="sans-serif">Date: </font><font size="1" face="sans-serif">03/05/2015 05:17 PM</font><br>
<font size="1" color="#5F5F5F" face="sans-serif">Subject: </font><font size="1" face="sans-serif">Re: [Openstack] OpenVSwitch ports won't come up / Neutron configuration problems</font><br>
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<tt><font size="2">Hi,<br>
<br>
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?<br>
<br>
<br>
Thanks,<br>
<br>
Uwe<br>
<br>
Am 05.03.2015 um 12:13 schrieb Akash Gunjal:<br>
> Hi,<br>
> <br>
> 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.<br>
> <br>
> Regards,<br>
> Akash<br>
> <br>
> 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<br>
> 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<br>
> some i<br>
> <br>
> From: Uwe Sauter <uwe.sauter.de@gmail.com><br>
> To: "openstack@lists.openstack.org Openstack" <openstack@lists.openstack.org><br>
> Date: 03/05/2015 04:08 PM<br>
> Subject: [Openstack] OpenVSwitch ports won't come up / Neutron configuration problems<br>
> <br>
> ----------------------------------------------------------------------------------------------------------------------------------<br>
> <br>
> <br>
> <br>
> Hi all,<br>
> <br>
> <br>
> 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:<br>
> <br>
> (A graphical overview created with plotnetcfg (</font></tt><tt><font size="2"><a href="https://github.com/jbenc/plotnetcfg">https://github.com/jbenc/plotnetcfg</a></font></tt><tt><font size="2">) and gimp'ed together is attached.)<br>
> <br>
> * Hostnames<br>
> All my nodes have a native hostname that describes the location in my rack. E.g. os484001 means this is an<br>
> OpenStack member in rack 48, height unit 40, first node in this height unit. They then get additional hostnames<br>
> describing their function like "neutron-controller", "cinder01", etc., but only on the DNS server.<br>
> <br>
> Is this a problem? Do nodes need to be able to resolve all their hostnames from /etc/hosts? Or should services<br>
> get configured that native hostname (output from "hostname -s" or even socket.getfqdn() in Python)?<br>
> <br>
> * Static network interface configuration<br>
> I have configured all network interfaces using /etc/sysconfig/network-scripts/ifcfg-<name>. Those that should be<br>
> part of OVS are configured like:<br>
> <br>
> /etc/sysconfig/network-scripts/ifcfg-enp6s0<br>
> NAME=enp6s0<br>
> HWADDR=00:21:5E:75:70:FA<br>
> TYPE=OVSPort<br>
> DEVICETYPE=ovs<br>
> ONBOOT=yes<br>
> BOOTPROTO=none<br>
> OVS_BRIDGE=br_tun<br>
> IPV4_FAILURE_FATAL=no<br>
> IPV6INIT=no<br>
> IPV6_AUTOCONF=no<br>
> IPV6_DEFROUTE=no<br>
> IPV6_FAILURE_FATAL=no<br>
> IPV6_PEERDNS=no<br>
> IPV6_PEERROUTES=no<br>
> NM_CONTROLLED=no<br>
> NOZEROCONF=yes<br>
> <br>
> Additionally I have configured all needed OVS bridges on compute and network nodes like:<br>
> (bridge names contain underscores instead of dashes as the management scripts don't allow<br>
> dashes in names)<br>
> <br>
> /etc/sysconfig/network-scripts/ifcfg-br_tun<br>
> DEVICE=br_tun<br>
> ONBOOT=yes<br>
> BOOTPROTO=static<br>
> DEVICETYPE=ovs<br>
> TYPE=OVSBridge<br>
> NOZEROCONF=yes<br>
> <br>
> Is this a correct way to configure OVS or do I have to rely on OpenStack / OVS database to restore the configuration after<br>
> reboot?<br>
> <br>
> * With above configuration I got the problem that both hardware interfaces and some OVS bridges are not brought up after reboot.<br>
> <br>
> What am I doing wrong?<br>
> <br>
> * I want to setup Neutron so that tenant networks are separated by VLANs. Unfortunately the documentation is sparse to none about<br>
> this so I get the feeling that GRE tunneling is the most supported way to separate networks.<br>
> <br>
> In this VLAN scenario, which OVS bridge needs to be connected to the physical interface (and therefore 802.1q enabled switch)?<br>
> br-int or br-tun (which in my case would be br_enp6s0 on the compute nodes and br_tun on the network node)?<br>
> <br>
> What else do I need to configure besides:<br>
> <br>
> /etc/neutron/plugin.ini<br>
> [ml2]<br>
> mechanism_drivers = openvswitch<br>
> tenant_network_types = local,vlan<br>
> type_drivers = local,vlan<br>
> [ml2_type_flat]<br>
> [ml2_type_vlan]<br>
> network_vlan_ranges = phys-tenant:1501:1510<br>
> [ml2_type_gre]<br>
> [ml2_type_vxlan]<br>
> [securitygroup]<br>
> enable_ipset = True<br>
> enable_security_group = True<br>
> firewall_driver = neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver<br>
> [ovs]<br>
> bridge_mappings = phys-external:br_ext,phys-tenant:br_tun<br>
> <br>
> <br>
> <br>
> I'd appreciate every hint.<br>
> <br>
> Regards,<br>
> <br>
> Uwe<br>
> [attachment "Neutron_setup.png" deleted by Akash Gunjal/India/IBM] _______________________________________________<br>
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