<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_ym19_1_1465241694035_3284"><br></div><div id="yui_3_16_0_ym19_1_1465241694035_3138">Hi,</div><div id="yui_3_16_0_ym19_1_1465241694035_3281"><br></div><div id="yui_3_16_0_ym19_1_1465241694035_3139">I am working with a vendor who has virtualized his appliance.</div><div id="yui_3_16_0_ym19_1_1465241694035_3280">The vendor's appliance is essentially a bump-in-the-wire appliance.</div><div id="yui_3_16_0_ym19_1_1465241694035_3279"><br></div><div id="yui_3_16_0_ym19_1_1465241694035_3278">Consider the diagram below.</div><div id="yui_3_16_0_ym19_1_1465241694035_3277">The vendor's appliance is B connected to ports 2 and 3.</div><div id="yui_3_16_0_ym19_1_1465241694035_3285">Whatever comes into B from port 2 is acted upon and then the same</div><div dir="ltr" id="yui_3_16_0_ym19_1_1465241694035_3276">packet is sent towards port 3. </div><div dir="ltr">Similarly, anything that comes into B from port 3 is acted up and then the</div><div dir="ltr">same packet is sent towards port 2.</div><div id="yui_3_16_0_ym19_1_1465241694035_3286"><br></div><div id="yui_3_16_0_ym19_1_1465241694035_3275"><br></div><div id="yui_3_16_0_ym19_1_1465241694035_3196"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D" id="yui_3_16_0_ym19_1_1465241694035_3197">A B C<o:p id="yui_3_16_0_ym19_1_1465241694035_3198"></o:p></span></div><div id="yui_3_16_0_ym19_1_1465241694035_3199"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D" id="yui_3_16_0_ym19_1_1465241694035_3200">| | | |<o:p id="yui_3_16_0_ym19_1_1465241694035_3201"></o:p></span></div><div id="yui_3_16_0_ym19_1_1465241694035_3202"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D" id="yui_3_16_0_ym19_1_1465241694035_3203">1 2 3 4<o:p id="yui_3_16_0_ym19_1_1465241694035_3204"></o:p></span></div><div id="yui_3_16_0_ym19_1_1465241694035_3205"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D" id="yui_3_16_0_ym19_1_1465241694035_3206">--------------<o:p id="yui_3_16_0_ym19_1_1465241694035_3207"></o:p></span></div><div id="yui_3_16_0_ym19_1_1465241694035_3208"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D" id="yui_3_16_0_ym19_1_1465241694035_3209">OpenVswitch<o:p id="yui_3_16_0_ym19_1_1465241694035_3210"></o:p></span></div><div id="yui_3_16_0_ym19_1_1465241694035_3140">
</div><div dir="ltr" id="yui_3_16_0_ym19_1_1465241694035_3211"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D" id="yui_3_16_0_ym19_1_1465241694035_3212">----------------<o:p id="yui_3_16_0_ym19_1_1465241694035_3213"></o:p></span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1465241694035_3211"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><br></span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1465241694035_3211"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Obviously, there are issues with implementing such a function with Openstack</span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1465241694035_3211"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D" id="yui_3_16_0_ym19_1_1465241694035_3287">due to flooding and unknown unicast MAC issues.</span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1465241694035_3211"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Has anyone successfully implemented a bump-in-the-wire function such as </span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1465241694035_3211"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">B with openstack ?</span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1465241694035_3211"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><br></span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1465241694035_3211"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">thanks,</span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1465241694035_3211"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Farhad.</span></div></div></body></html>