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You should go a bit beyond just DSCP because UCM doesn't set DSCP on all ICCS traffic.
<div class="">Reference CSCud45840.</div>
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<div class="">-Ryan </div>
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<div class="">On Jan 15, 2015, at 7:53 AM, Jason Aarons (AM) <<a href="mailto:jason.aarons@dimensiondata.com" class="">jason.aarons@dimensiondata.com</a>> wrote:</div>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D" class="">They are servers. I would trust their markings.<o:p class=""></o:p></span></p>
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<p class="MsoNormal"><b class=""><span style="font-size:11.0pt;font-family:"Calibri",sans-serif" class="">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif" class=""> cisco-voip [<a href="mailto:cisco-voip-bounces@puck.nether.net" class="">mailto:cisco-voip-bounces@puck.nether.net</a>]
<b class="">On Behalf Of </b>Boon<br class="">
<b class="">Sent:</b> Thursday, January 15, 2015 5:45 AM<br class="">
<b class="">To:</b> <a href="mailto:cisco-voip@puck.nether.net" class="">cisco-voip@puck.nether.net</a><br class="">
<b class="">Subject:</b> [cisco-voip] Clustering over the WAN - ICCS and QoS Policy Design<o:p class=""></o:p></span></p>
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<p class="MsoNormal"><o:p class=""> </o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><o:p class=""> </o:p></p>
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<p class="MsoNormal">My client has a requirement to cluster their new 10.5 solution over the WAN. I've read the SRND and it states that QoS needs to be provisioned for intracluster communications when using this deployment model. <o:p class=""></o:p></p>
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<p class="MsoNormal"><o:p class=""> </o:p></p>
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<p class="MsoNormal">The SRND also states that priority ICCS traffic is marked DSCP 24 which is great but my client's current CPE router QoS policy is ACL based using port numbers. <o:p class=""></o:p></p>
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<p class="MsoNormal"><o:p class=""> </o:p></p>
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<p class="MsoNormal">I've checked the TCP/IP Port Usage guide for CUCM and there are no details on which ports are marked as priority. <o:p class=""></o:p></p>
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<p class="MsoNormal"><o:p class=""> </o:p></p>
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<p class="MsoNormal">Has anyone here created a QoS Classification ACL based upon the ICCS ports which have priority markings?<o:p class=""></o:p></p>
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<p class="MsoNormal"><o:p class=""> </o:p></p>
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<p class="MsoNormal">If not then I'm guessing that my only option left is to trust markings from the servers. <o:p class=""></o:p></p>
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<span style="color:white" class="">itevomcid</span> <o:p class=""></o:p></p>
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