[Openstack] [Neutron] VXLAN configuration - host machine unable to ping other machines in the LAN

Akihiro Motoki amotoki at gmail.com
Mon Sep 1 13:47:43 UTC 2014


local_ip should be an IP address of network interface used for VXLAN
network instead of 127.0.0.1.

On Mon, Sep 1, 2014 at 8:02 PM, prabhuling kalyani <prabhu.nk at gmail.com> wrote:
> Hello All,
>
> I am trying to setup a single node openstack vxlan configuration.
> This is an excerpt from the localrc file:
> Q_PLUGIN=ml2
> Q_ML2_TENANT_NETWORK_TYPE=vxlan
>
> after running stack.sh, I made changes to the ml2_conf.ini file so that it
> looked like below for the tags shown:
> [ml2]
> tenant_network_types = vxlan
> type_drivers = local,vxlan
> mechanism_drivers = openvswitch
>
> [ml2_type_gre]
> tunnel_id_ranges = 32769:34000
> [ml2_type_vxlan]
> vni_ranges = 65537:69999
>
> [securitygroup]
> firewall_driver =
> neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver
> enable_security_group = True
>
> [ovs]
> local_ip = 127.0.0.1
> tunnel_type = vxlan
> tunnel_bridge = br-tun
> integration_bridge = br-int
> tunnel_id_ranges = 65537:69999
> tenant_network_type = vxlan
> enable_tunneling = true
>
> [agent]
> tunnel_types = vxlan
> root_helper = sudo /usr/local/bin/neutron-rootwrap
> /etc/neutron/rootwrap.conf
> tunnel_types = vxlan
> l2_population = False
>
>
> I am able to successfully launch instances. But I am not able to ping other
> hosts in the LAN. (Cant ping from instances as well as host machine)
>
> br-ex, br-int and br-tun are the bridges created.
> eth0 and eth1 are the interfaces on the machine.
>
> eth0 is attached to br-tun and is in promisc mode. br-tun has the host IP.
>
> eth1 is attached to br-ex and is in promisc mode. br-ex is in the Openstack
> Public address pool.
>
> Could you please help as to where I might be going wrong?
> I refered to the below link for the configuration:
> http://www.opencloudblog.com/?p=300
>
> Regards
> Prabhu
>
>
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