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

prabhuling kalyani prabhu.nk at gmail.com
Mon Sep 1 11:02:30 UTC 2014


Hello All,

I am trying to setup a single node openstack vxlan configuration.
This is an excerpt from the localrc file:

*Q_PLUGIN=ml2Q_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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