|author||Periyasamy Palanisamy <email@example.com>||2017-11-20 13:15:26 +0100|
|committer||Periyasamy Palanisamy <firstname.lastname@example.org>||2018-01-09 12:49:06 +0100|
diff --git a/docs/development/overview/index.rst b/docs/development/overview/index.rst
index 8747170..e932f9a 100644
@@ -244,3 +244,20 @@ https://wiki.opnfv.org/display/sdnvpn/SDNVPN+Testing
Reconnect the OVS by adding ip tables drop rule and then remove it
The flows and groups are still intact and none of the flows/groups
+ Testcase 13: Test ECMP (Equal-cost multi-path routing) for the extra route
+ This testcase validates spraying behavior in OvS when an extra route is
+ configured such that it can be reached from two nova VMs in the
+ same network.
+ Setup procedure:
+ Create and start VM1 and VM2 configured with sub interface set to same ip
+ address in both VMs, connected to a common network/router.
+ Update the VM1 and VM2's Neutron ports with allowed address pairs for sub
+ interface ip/mac addresses.
+ Create BGPVPN with two route distinguishers.
+ Associate router with BGPVPN.
+ Update the router with above sub-interface ip address with nexthops set to
+ VMs ip addresses.
+ Create VM3 and connected to the same network.
+ Ping sub-interface IP address from VM3.