<font face="Default Sans Serif,Verdana,Arial,Helvetica,sans-serif" size="2"><div><div style="box-sizing: inherit; font-family: 'Default Sans Serif', Verdana, Arial, Helvetica, sans-serif; font-size: small;"><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;">Hi All,</font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;"><br style="box-sizing: inherit;"></font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;">We are currently implementing SFC for the VNF's launched on plain Openstack(Ocata) and facing few issues mentioned below.</font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;"><br style="box-sizing: inherit;"></font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;"><b style="box-sizing: inherit;">Problem Statement</b> : "Bidirectional SFC in multi node setup is not working ,ping is working but wget and iperf traffic not working"</font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;"><br style="box-sizing: inherit;"></font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;"><b style="box-sizing: inherit;">Devstack Setup:</b></font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;"><br style="box-sizing: inherit;"></font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;">1.Installed openstack-ocata on 2 nodes (1 controller+compute and 1 compute node)</font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;"><br style="box-sizing: inherit;"></font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;">2.Launched 4 vms on compute node while 1 VM is launched on controller node. Vms are Centos.And have enabled net.ipv4.ip_forward in all the VM's</font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;"><br style="box-sizing: inherit;"></font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;">3. vm1->vm2->vm3->vm4->vm5 (SFC port pairs and groups are created for vm2,vm3 and vm4) </font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;">SFC Flow classifier points the logical source port to vm1 and the source ip prefix is the ip of vm1 and destination ip prefix is of vm5.</font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;">Reverse SFC Flow Classifier is also written.</font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;"><br style="box-sizing: inherit;"></font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;">4.Disabled port security group</font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;">5.Bidirectional SFC is working when all vms are launched on single compute node (even wget is working)</font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;"><br style="box-sizing: inherit;"></font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;"><b style="box-sizing: inherit;">Queries:</b></font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;"><b style="box-sizing: inherit;"><br style="box-sizing: inherit;"></b></font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;">1.Are there any other parameters that we need to set for multinode setup </font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;"><br style="box-sizing: inherit;"></font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;">2.Should mtu values be set? Because wget is working for files <KB (in bytes) on multinode setup</font></div><div style="box-sizing: inherit;"><br style="box-sizing: inherit;"></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;"><b style="box-sizing: inherit;"><br style="box-sizing: inherit;"></b></font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;"><b style="box-sizing: inherit;">Local.conf file for controller and compute node:</b></font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;"><br style="box-sizing: inherit;"></font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;"><a href="https://pastebin.com/vm7BwkjE" target="_blank" style="box-sizing: inherit; cursor: pointer;">https://pastebin.com/vm7BwkjE</a></font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;"><br style="box-sizing: inherit;"></font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;"><a href="https://pastebin.com/Jqufw3Wv" target="_blank" style="box-sizing: inherit; cursor: pointer;">https://pastebin.com/Jqufw3Wv</a></font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" size="2" style="box-sizing: inherit;"><br style="box-sizing: inherit;"></font></div><div style="box-sizing: inherit;"><font face="Verdana, Arial, Helvetica, sans-serif" style="box-sizing: inherit;"><font size="2" style="box-sizing: inherit;">printenv | grep OS_* for compute : <a href="https://pastebin.com/UGLhXsrj" target="_blank" style="box-sizing: inherit; cursor: pointer;">https://pastebin.com/UGLhXsrj</a></font></font></div></div><div style="box-sizing: inherit; font-family: 'Default Sans Serif', Verdana, Arial, Helvetica, sans-serif; font-size: small;"><font face="Verdana, Arial, Helvetica, sans-serif" style="box-sizing: inherit;"><br style="box-sizing: inherit;"></font></div><div style="box-sizing: inherit; font-family: 'Default Sans Serif', Verdana, Arial, Helvetica, sans-serif; font-size: small;"><font face="Verdana, Arial, Helvetica, sans-serif" style="box-sizing: inherit;">Kindly advice and provide your inputs for the same.</font></div><div style="box-sizing: inherit; font-family: 'Default Sans Serif', Verdana, Arial, Helvetica, sans-serif; font-size: small;"><font face="Verdana, Arial, Helvetica, sans-serif" style="box-sizing: inherit;"><br></font></div><font size="2">Best Regards<br>
</font><font size="2">Yerrumsetty Rajitha<br>
</font><font size="2">ITA<br>
</font><font size="2">Tata Consultancy Services<br>
</font><font size="2">Ph:- 04066673746<br>
</font><font size="2">Mailto: <a href="mailto:y.rajitha@tcs.com" target="_blank">y.rajitha@tcs.com</a><br>
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