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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Depends on the voice recording product you are using. The newer ones don’t require SPAN at all in many cases.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:7.5pt;font-family:"Verdana","sans-serif";color:gray'>James Buchanan</span></b><span style='font-size:7.5pt;font-family:"Verdana","sans-serif";color:#7F7F7F'>|</span><b><span style='font-size:7.5pt;font-family:"Verdana","sans-serif";color:gray'> UC Technology Manager </span></b><span style='font-size:7.5pt;font-family:"Verdana","sans-serif";color:#7F7F7F'>|</span><span style='font-size:7.5pt;font-family:"Verdana","sans-serif";color:gray'> <b>Presidio South </b></span><span style='font-size:7.5pt;font-family:"Verdana","sans-serif";color:#7F7F7F'>|</span><b><span style='font-size:7.5pt;font-family:"Verdana","sans-serif";color:gray'> Presidio Networked Solutions </span></b><span style='font-size:7.5pt;font-family:"Verdana","sans-serif";color:gray'><o:p></o:p></span></p><p class=MsoNormal><b><span style='font-size:7.5pt;font-family:"Verdana","sans-serif";color:gray'>12 Cadillac Dr Ste 130 Brentwood, TN 37027 </span></b><span style='font-size:7.5pt;font-family:"Verdana","sans-serif";color:#7F7F7F'>|</span><b><span style='font-size:7.5pt;font-family:"Verdana","sans-serif";color:gray'> </span></b><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="mailto:jbuchanan@presidio.com"><span style='font-size:7.5pt;font-family:"Verdana","sans-serif";color:blue'>jbuchanan@presidio.com</span></a></span></b><b><span style='font-size:7.5pt;font-family:"Verdana","sans-serif";color:#548DD4'><o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:7.5pt;font-family:"Verdana","sans-serif";color:gray'>D: 615-866-5729</span></b><span style='font-size:7.5pt;font-family:"Verdana","sans-serif";color:gray'> </span><span style='font-size:7.5pt;font-family:"Verdana","sans-serif";color:#7F7F7F'>|</span><span style='font-size:7.5pt;font-family:"Verdana","sans-serif";color:gray'> <b>F:615-866-5781</b> </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="http://www.presidio.com/" title="blocked::http://www.presidio.com/"><b><span style='font-size:7.5pt;font-family:"Verdana","sans-serif";color:blue'>www.presidio.com</span></b></a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] <b>On Behalf Of </b>Ki Wi<br><b>Sent:</b> Monday, December 26, 2011 10:44 PM<br><b>To:</b> Cisco VoIP List<br><b>Subject:</b> [cisco-voip] How does voice recorder works? Do I need RSPAN or ERSPAN?<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have a setup with 2 DC . There's couple of voice gateway and cucm in each DC. <br><br>There's a couple of distribution switches as well. <br><br>Between 2 DC and distribution switches are all L3. <br><br>Today, my requirement is only to span a few ports connected to the access switches of distribution switch "A". If I do a rspan from those IP phones back to distribution switch "A" and I will connect the voice recorder to distribution switch "A", will it work? <br><br>Is it neccessary for me to span the traffic from cucm and voice gateway as well? If so, ERSPAN is required. <o:p></o:p></p></div></body></html>