[ovs-discuss] Test with vxlan using ovs-dpdk (2.4)

[Chandran, Sugesh]

Regards
_Sugesh

From: discuss [mailto:discuss-bounces at openvswitch.org] On Behalf Of Praveen MANKARA RADHAKRISHNAN
Sent: Monday, October 26, 2015 5:23 PM
To: bugs at openvswitch.org
Cc: Daniel Virassamy
Subject: [ovs-discuss] Test with vxlan using ovs-dpdk (2.4)

HI,

I am Praveen,

I am trying a specific test scenario using ovs-dpdk.

Test set up
-------------------

from the traffgen vlan packets are coming to dpdk interface its stripped using ovs command.
and sending to a vxlan interface which is comnnected in theo other dpdk interface and send back to traffgen.

i have done the vxlan set up similar to the sample test case.

https://github.com/openvswitch/ovs/blob/master/README-native-tunneling.md

the issue is that from the sumpflows i can see that packets are send to vxlan but it is not going to the other bridge.

the same scenario is working without dpdk.

I am using openvswitch-2.4.0.

Linux (without dpdk)
---------------------------------

ovs-vsctl add-br br0
ovs-vsctl add-port br0 eth0
ovs-vsctl add-port br0 vxlan0 -- set interface vxlan0 type=vxlan options:remote_ip=10.200.0.6
ovs-ofctl add-flow br0 dl_vlan=1,dl_dst=02:11:22:44:55:22,actions=strip_vlan,output:2

ovs-vsctl add-br br1
ovs-vsctl add-port br1 eth1

 ip a a 10.200.0.5/24<http://10.200.0.5/24> dev br1
arp -s 10.200.0.6 02:11:22:44:55:11 -i eth2

and from the traffgen i am sending traffic with dst mac 02:11:22:44:55:22 and vlan id 1.
it is correctly working.

ovs-dpdk
------------------

started ovs-dpdk ::
ovs-vswitchd --dpdk -c 0x1 -n 4 -- unix:$DB_SOCK --pidfile --detach

ovs-vsctl add-br br0 -- set bridge br0 datapath_type=netdev
ovs-vsctl add-port br0 dpdk0 -- set Interface dpdk0 type=dpdk

ovs-vsctl add-br br1 -- set bridge br1 datapath_type=netdev
ovs-vsctl add-port br1 dpdk1 -- set Interface dpdk1 type=dpdk

ovs-vsctl add-port br0 vxlan0 -- set interface vxlan0 type=vxlan options:remote_ip=10.200.0.6
ovs-ofctl add-flow br0 dl_vlan=1,dl_dst=02:11:22:44:55:22,actions=strip_vlan,output:2

 ip a a 10.200.0.5/24<http://10.200.0.5/24> dev br1
arp -s 10.200.0.6 02:11:22:44:55:11 -i eth2


here i have started the ovs-dpddk and do the same set up
but packets are not seen in bridge1 (br1) and in traffgen.

is there any specif configuration i need to do in ovs-dpdk
could it be because of the arp?
Is there a way to set static arp to the ovs-dpdk?
>>>> Does the arp entries shown properly in “ovs-appctl tnl/arp/show”???
>>>>> You can set the arp entries using ovs-appctl tnl/arp/set <bridge> <ip> <mac>. In OVS-DPDK the DPDK interfaces are not managed by kernel so assigning static arp to physical interface may not work.
Could you help in identifying the problem?

Thanking you in advance
Praveen



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