Hi, Yes, if IP is not needed set the BOOTPROTO to none.
Regards, Akash From: Uwe Sauter <[email protected]> To: Akash Gunjal/India/IBM@IBMIN Cc: "[email protected] Openstack" <[email protected]> Date: 03/05/2015 05:17 PM Subject: Re: [Openstack] OpenVSwitch ports won't come up / Neutron configuration problems 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 <[email protected]> > To: "[email protected] Openstack" <[email protected]> > 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] _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : [email protected] > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >
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