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<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"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">There have been a few interim releases, the newest is -26 I believe<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Here is a list of all the fixes: http://www.cisco.com/web/software/280775065/45357/ASA-825-Interim-Release-Notes.html<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Matthew G. Loraditch - CCVP, CCNA, CCDA<br>
</span><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D"><br>
1965 Greenspring Drive</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><br>
</span><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D">Timonium, MD 21093</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><br>
</span><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D"><br>
voice. 410.252.8830<br>
fax. 410.252.9284 <br>
<br>
<a href="http://twitter.com/heliontech">Twitter</a> | <a href="http://www.facebook.com/#!/pages/Helion/252157915296">
Facebook</a> | <a href="http://www.heliontechnologies.com/">Website</a> | <a href="mailto:support@heliontechnologies.com?subject=Technical%20Support%20Request">
Email Support</a></span><span style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:12.0pt"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<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>c3voip<br>
<b>Sent:</b> Wednesday, March 28, 2012 4:47 PM<br>
<b>To:</b> 'Wes Sisk'<br>
<b>Cc:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> Re: [cisco-voip] ASA Phone-Proxy, CUCM 7.1(5b)SU4, and 7921/7925<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I am on ASA 8.2.5. There is nothing newer in the 8.2 train posted online. I would definitely try that if there was something newer out there.<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"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">-C<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>
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<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""> Wes Sisk
<a href="mailto:[mailto:wsisk@cisco.com]">[mailto:wsisk@cisco.com]</a> <br>
<b>Sent:</b> Wednesday, March 28, 2012 4:40 PM<br>
<b>To:</b> c3voip<br>
<b>Cc:</b> 'Ryan Ratliff'; <a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a><br>
<b>Subject:</b> Re: [cisco-voip] ASA Phone-Proxy, CUCM 7.1(5b)SU4, and 7921/7925<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">CUCM upgrade almost always necessitates ASA upgrade when doing proxy or inspection.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">/wes<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Mar 28, 2012, at 4:35 PM, c3voip wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:13.5pt"><span class="apple-style-span"><span style="font-size:13.5pt;font-family:"Helvetica","sans-serif""><o:p> </o:p></span></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">After more careful review of the captures from the outside and inside simultaneously, it appears that the ASA is failing to forward some ACK’s that the phone
is sending.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="text-indent:-.25in"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">1.</span><span style="font-size:7.0pt;color:#1F497D"> <span class="apple-converted-space"> </span></span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">The
phone requests Ringlist.xml and CUCM sends block 1 and the ASA ACK’s it</span><o:p></o:p></p>
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<p class="MsoNormal" style="text-indent:-.25in"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">2.</span><span style="font-size:7.0pt;color:#1F497D"> <span class="apple-converted-space"> </span></span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">CUCM
sends block 2 (last block) to the ASA, but ASA does not ACK that one</span><o:p></o:p></p>
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<p class="MsoNormal" style="text-indent:-.25in"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">3.</span><span style="font-size:7.0pt;color:#1F497D"> <span class="apple-converted-space"> </span></span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">ASA
then sends block 1 to phone, and phone ACK’s it</span><o:p></o:p></p>
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<p class="MsoNormal" style="text-indent:-.25in"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">4.</span><span style="font-size:7.0pt;color:#1F497D"> <span class="apple-converted-space"> </span></span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">ASA
then sends block 2 to phone, and phone ACK’s it</span><o:p></o:p></p>
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<p class="MsoNormal" style="text-indent:-.25in"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">5.</span><span style="font-size:7.0pt;color:#1F497D"> <span class="apple-converted-space"> </span></span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">ASA
never sends ACK for block 2</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">CUCM continues to try to send the last block but neither the phone nor the ASA ever ACK it.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">This happens similarly for DistinctiveRinglist.xml too.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">It looks like CUCM tries to resend the last 2 blocks for these 2 files while the phone is in the middle of requesting WLAN-1.4.1SR1.SBN. Not sure how the phone
handles that, but it continues to ask for WLAN-1.4.1SR1.SBN 4 more times after that then stops asking.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Looks like I’ll be opening a TAC case.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Something must have changed with these 2 Ringlist.xml files that is causing issues with the ASA Phone-proxy feature, since nothing changed on the ASA side.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">-C</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span class="apple-converted-space"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> </span></span><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">Ryan
Ratliff <a href="mailto:[mailto:rratliff@cisco.com]">[mailto:rratliff@cisco.com]</a><span class="apple-converted-space"> </span><br>
<b>Sent:</b><span class="apple-converted-space"> </span>Tuesday, March 27, 2012 4:21 PM<br>
<b>To:</b><span class="apple-converted-space"> </span>c3voip<br>
<b>Cc:</b><span class="apple-converted-space"> </span>'Wes Sisk';<span class="apple-converted-space"> </span><a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a><br>
<b>Subject:</b><span class="apple-converted-space"> </span>Re: [cisco-voip] ASA Phone-Proxy, CUCM 7.1(5b)SU4, and 7921/7925</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Does a packet capture on the outside ASA interface show the phone sending the Acks or that the data is getting out to the phone even? <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black">-Ryan</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">On Mar 27, 2012, at 3:39 PM, c3voip wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><br>
<br>
<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">It is just stops seeing ACK’s come back.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Socket[35] Async IO started successfully|<CLID::CCM1-Cluster><NID::TFTP><LVL::Significant><MASK::0004></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">No ACK, Socket[35] Serving File[TNUXH-1.4.1SR1.SBN] Expecting block[359] Retrying [1] times...|<CLID:: CCM1-Cluster><NID::TFTP><LVL::Detailed><MASK::0004></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">No ACK, Socket[35] Serving File[TNUXH-1.4.1SR1.SBN] Expecting block[359] Retrying [2] times...|<CLID:: CCM1-Cluster><NID::TFTP><LVL::Detailed><MASK::0004></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">No ACK, Socket[35] Serving File[TNUXH-1.4.1SR1.SBN] Expecting block[359] Retrying [3] times...|<CLID:: CCM1-Cluster><NID::TFTP><LVL::Detailed><MASK::0004></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">No ACK, Socket[35] Serving File[TNUXH-1.4.1SR1.SBN] Expecting block[359] Retrying [4] times...|<CLID:: CCM1-Cluster><NID::TFTP><LVL::Detailed><MASK::0004></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">No ACK, Socket[35] Serving File[TNUXH-1.4.1SR1.SBN] Expecting block[359] Retrying [5] times...|<CLID:: CCM1-Cluster><NID::TFTP><LVL::Detailed><MASK::0004></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">No ACK, Socket[35] Serving File[TNUXH-1.4.1SR1.SBN] Expecting block[359] Retrying [6] times...|<CLID:: CCM1-Cluster><NID::TFTP><LVL::Detailed><MASK::0004></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">No ACK, Closing Socket[35] Serving File[TNUXH-1.4.1SR1.SBN] After[6]retries...|<CLID:: CCM1-Cluster><NID::TFTP><LVL::Detailed><MASK::0004></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">It is almost like it is the phone that stops communicating, but I have tried all of the versions of firmware for these wifi phones and they are all the same.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">-C</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span class="apple-converted-space"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> </span></span><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">Wes
Sisk<span class="apple-converted-space"> </span><a href="mailto:[mailto:wsisk@cisco.com]">[mailto:wsisk@cisco.com]</a><span class="apple-converted-space"> </span><br>
<b>Sent:</b><span class="apple-converted-space"> </span>Tuesday, March 27, 2012 1:13 PM<br>
<b>To:</b><span class="apple-converted-space"> </span>c3voip<br>
<b>Cc:</b><span class="apple-converted-space"> </span><a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a><br>
<b>Subject:</b><span class="apple-converted-space"> </span>Re: [cisco-voip] ASA Phone-Proxy, CUCM 7.1(5b)SU4, and 7921/7925</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">sounds like a timing issue. historically when turning on debugs works around a problem the underlying reason is that debugs slow down processing sufficiently to mask the race condition.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">one tidbit does come to mind here - tftp retransmits. The tftp server on cucm has very limited retransmits, like maybe one.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">when TFTP fails what do debugs, packet captures, or ccm TFTP server traces show?<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">/wes<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">On Mar 26, 2012, at 2:36 PM, c3voip wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><br>
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<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">I have upgraded from CUCM 7.1(2a) to CUCM 7.1(5b)SU4 without any issues, but now I am having issues loading firmware to my 7921 and 7925 wifi phones through my ASA5520 with
the Phone Proxy feature. </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Here comes the curveball, if I turn on phone-proxy tftp debugs on the ASA everything works normally, but nothing has changed on the ASA so why should this allow tftp to work?</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">I have taken packet captures from both sides of the ASA, without the debug turned on, and the wifi phone just looks like it stops ACK’ing the tftp packets.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Does anyone else have a setup similar to mine or has anyone experienced anything like this?</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Thanks,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">-C</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:13.5pt;font-family:"Helvetica","sans-serif"">_______________________________________________<br>
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<a href="https://puck.nether.net/mailman/listinfo/cisco-voip">https://puck.nether.net/mailman/listinfo/cisco-voip</a></span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:13.5pt;font-family:"Lucida Grande"">_______________________________________________<br>
cisco-voip mailing list<br>
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<a href="https://puck.nether.net/mailman/listinfo/cisco-voip">https://puck.nether.net/mailman/listinfo/cisco-voip</a></span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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