<div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small;color:rgb(153,51,0)">Hello All,</div><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small;color:rgb(153,51,0)">
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</div><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small;color:rgb(153,51,0)">Just a small question. Incase I run the a firewall application in conjecture to a l2 learning switch application , how does the controller work on the connectionup event?</div>
<div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small;color:rgb(153,51,0)"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small;color:rgb(153,51,0)">for example I run the command :</div>
<div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small;color:rgb(153,51,0)">mininet@mininet-vm:~/pox$ pox.py log.level -DEBUG l2_switching_v5 l2_switching_firewall_v3 &<br></div><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small;color:rgb(153,51,0)">
<br></div><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small;color:rgb(153,51,0)">I want firewall to take precedence over the l2 switch and have introduced priority as msg.priority = 65535 (highest priority), but what I am trying to understand is - its a single connection from the OVS switch to the pox controller and controller is running 2 applications - firewall and switch, so how do these 2 applications work on the same connection? </div>
<div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small;color:rgb(153,51,0)"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small;color:rgb(153,51,0)">Currently, my program sends 2 flow mod messages - </div>
<div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small;color:rgb(153,51,0)">1.from firewall app with priority of 65535 for matching flows </div><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small;color:rgb(153,51,0)">
2. from the switch for all other flows</div><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small;color:rgb(153,51,0)">and the ovs installs flow with max priority. Is this the right way of doing?? </div>
<div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small;color:rgb(153,51,0)">As of now, I am stuck with an error - <span style="font-family:arial;color:rgb(34,34,34)">OFPBRC_BUFFER_EMPTY = 7 - which as per openflow doc is error when a buffer is already in use..</span></div>
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<br></div><div>Cheers!<br>Durga<br><br></div>
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