[OVSDB-203] VM Floating IP Address unable to reach the External GW when L3 routing enabled.

Mon, 1 Feb 2016 08:45:01 +0000

Build#: Lithium-SR1 Build
Openstack: stable/kilo
ODL config (on etc/custom.properties)
===========
ovsdb.of.version=1.3
ovsdb.l3.fwd.enabled=yes

local.conf snip
=======
enable_plugin networking-odl https://github.com/stackforge/networking-odl stable/kilo
Q_PLUGIN=ml2
ENABLE_TENANT_TUNNELS=True
Q_ML2_TENANT_NETWORK_TYPE=vxlan

Openstack setup
=================
eth0 => Mgmt Network eth1=> Data Network eth3 => External Network

Scenario:
=========
1.Create Network 32.1.1.0/24 and External Network as 5.1.1.0/24
2.Create Router and assign GW as 5.1.1.0/24 as external network and associate 32.1.1.0/24
3.Spawned VM1 on Compute Node1 IP address as 31.1.1.3 and Floating IP Address as 5.1.1.2
4.VM1 unable to ping the External Network GateWay 5.1.1.1

Note:
1.br-ex properly mapped with eth3
2.tcpdumps of Switch Gateway proven ping packets reaching the switch vice-versa
3.ufw firewall service was disabled.
4.OF Flow entries exist in br-int interface

==Attached the respective openstack ovs-switch information

OpenDaylight JIRA

[OVSDB-203] VM Floating IP Address unable to reach the External GW when L3 routing enabled.