<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">This sound more like a config issue…<div><br></div><div>Have run into issues where expressways go stupid when boxes go offline <br><br>As for it being the phones 88xx. Does the same happen with jabber or webex? If it does i’d requeue the case….<br><div dir="ltr"><div><br></div>Kent</div><div dir="ltr"><br><blockquote type="cite">On Jun 21, 2022, at 07:47, Matthew Huff <mhuff@ox.com> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr">
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<p class="MsoNormal">We have a fairly common and standard deployment for our MRA solution. All are running CUCM 14+, latest Expressway, etc…<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Vmware server 1 (jn DMZ)<o:p></o:p></p>
<p class="MsoNormal"> ExpressWay-E-1<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Vmware server 2 (in DMZ)<o:p></o:p></p>
<p class="MsoNormal"> ExpressWay-E-2<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Vmware Server 3 (In Core)<o:p></o:p></p>
<p class="MsoNormal"> CUCM Publisher<o:p></o:p></p>
<p class="MsoNormal"> Expressway-C-1<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">VMWare Server 4( In Core)<o:p></o:p></p>
<p class="MsoNormal"> CUCM Subscriber<o:p></o:p></p>
<p class="MsoNormal"> Expressway-C-2<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<ol style="margin-top:0in" start="1" type="1">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1">If ether Expreway-E VMs fail, redundancy works fine<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1">If either CUCM fails, redundancy works fine<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1">If either Expressway-C VMs fail, redundancy works fine<o:p></o:p></li><li class="MsoListParagraph" style="color:red;margin-left:0in;mso-list:l0 level1 lfo1">
If VMWare Server 4 fails (say during patching, hardware maintenance or hardware failure), redundancy fails. Remote phones un-register and never register no matter what is done. If either CUCM Subscriber or Expressway-C-2 is brought back online, phones register.<o:p></o:p></li></ol>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Cisco TAC claims that this is a limitation of our Cisco 88xx SIP MRA phones and is not solvable unless we purchase two new vmware servers and split the CUCM and Expressway-C into separate servers so they both won’t go down at once. Sinc
VMWare Server 3 & 4 are at different locations, vMotion isn’t an option since there is no shared storage.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Anyone run into this or have any suggestions? We have engaged our VAR and cisco rep and may have to replace our phone system since we are all working from home and MRA support including redundancy is critical to us.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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