<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">I think you have two requirements here.<div>1) You need to be able to push and pop MLPS labels on a packet.</div><div>2) You need to be able to create table entries which match on the MPLS label.</div><div><br></div><div>If I remember correctly, both of these are available in POX through the nicira.py file. The first is done with some extended actions. The other one is done using the Nicira match extension (NXM).</div><div><br></div><div>-- Murphy</div><div><br><div><div>On Jul 16, 2015, at 9:49 AM, Suelen Cremonini <<a href="mailto:suelen_cremonini@hotmail.com">suelen_cremonini@hotmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div class="hmmessage" style="font-size: 12pt; font-family: Calibri; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div dir="ltr"><span style="color: rgb(34, 34, 34); background-color: rgb(255, 255, 255);"><font size="2" face="Arial, sans-serif">Hello everybody,</font></span><div style="color: rgb(34, 34, 34); background-color: rgb(255, 255, 255);"><font size="2" face="Arial, sans-serif"><br></font></div><div style="color: rgb(34, 34, 34); background-color: rgb(255, 255, 255);"><font size="2" face="Arial, sans-serif">We are trying to make a POX controller using MPLS labels. Our intention is to implement multi-path according to the packets label. We are using the nicira extension for that. </font></div><div style="color: rgb(34, 34, 34); background-color: rgb(255, 255, 255);"><font size="2" face="Arial, sans-serif">We have to apply different labels inside a same switch for packets that have the same source and the same destination. However, there is no match field that we can use to apply different labels in the same switch. Any ideas?</font></div><div style="color: rgb(34, 34, 34); background-color: rgb(255, 255, 255);"><font size="2" face="Arial, sans-serif"><br></font></div><div style="color: rgb(34, 34, 34); background-color: rgb(255, 255, 255);"><font size="2" face="Arial, sans-serif"><br></font></div><div style="color: rgb(34, 34, 34); background-color: rgb(255, 255, 255);"><font size="2" face="Arial, sans-serif">--</font></div><div style="color: rgb(34, 34, 34); background-color: rgb(255, 255, 255);"><font size="2" face="Arial, sans-serif">Best regards,</font></div><div style="color: rgb(34, 34, 34); background-color: rgb(255, 255, 255);"><font size="2" face="Arial, sans-serif">Suelen</font></div></div></div></blockquote></div><br></div></body></html>