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So the voice gateway maintains a TCP session back to CM to backhaul
isdn d-channel messages over to the CM server.<br>
<br>
At first read I'd say this message means your gateway aborted TCP
session with primary CM and connected to backup CM. On the voice
gateway 'sh ccm-manager' will show primary, backup, and last
failover/failback time.<br>
<br>
I've seen this before with issues such as CSCse69335. In this case
when the single endpoint stops responding to CM the CM response is to
stop communicating with all endpoints on the complete gateway.<br>
<br>
The "MGCP Retry Timeout Handling" service parameter on CallManager
controls this behavior. Options on it are:<br>
<br>
<br>
This parameter specifies the action that Cisco CallManager<br>
should take when MGCPTimeout occurs for the retries of the MGCP request.<br>
<br>
This parameter applies to all port types. However, for FXS and<br>
FXO ports, the values Restart Port and Mark Channel Out-of-Service have
<br>
the same effect of restarting the port. <br>
<br>
<br>
Valid values follow:<br>
<br>
<br>
Forceful Failover: Cisco CallManager closes the TCP connection<br>
to the <br>
gateway, forcing it to failover to the backup Cisco CallManager.<br>
Active <br>
calls are preserved.<br>
<br>
<br>
Graceful Failover: Cisco CallManager waits for the gateway to<br>
timeout on <br>
the last MGCP KeepAlive message that it sent so that the gateway<br>
will <br>
failover to the backup Cisco CallManager. Active calls are<br>
preserved. <br>
With this option, it may take a long time for the gateway to<br>
failover.<br>
<br>
<br>
Reset Gateway: Cisco CallManager resets the whole gateway<br>
immediately. <br>
Active calls are not preserved.<br>
<br>
<br>
Restart Port: Cisco CallManager restarts the port immediately.<br>
Active <br>
calls are preserved.<br>
<br>
<br>
Mark Channel Out-of-Service: Cisco CallManager marks the voice<br>
channel <br>
out-of-service.<br>
<br>
<br>
This is a required field.<br>
<br>
<br>
Default: Forceful Failover<br>
<br>
/Wes<br>
<br>
Nick wrote:
<blockquote
cite="mid:475fda330805020835i75cd44f9s30b94f4a8f499b9c@mail.gmail.com"
type="cite">
<div>We are using Operations manager 2.0.1 to monitor our voice
infrastructure, the last couple of days on one of our voice gateways we
have been recieving BackupActivated alerts for various b channels, the
event ID shows and the alerts show as active and then clear themselves,
anyone know why this could of started happening.</div>
<div> </div>
<div> </div>
<div>
<div align="center">
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<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span
style="font-size: 8pt; color: black; font-family: Arial;">Event_Description</span></p>
</td>
<td
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<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span
style="font-size: 8pt; color: black; font-family: Arial;">BackupActivated</span></p>
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<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span
style="font-size: 8pt; color: black; font-family: Arial;">Component</span></p>
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<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span
style="font-size: 8pt; color: black; font-family: Arial;">IF-10.194.27.11/402
[Se0/2/0:12]</span></p>
</td>
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<td
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<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span
style="font-size: 8pt; color: black; font-family: Arial;">Type</span></p>
</td>
<td
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<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span
style="font-size: 8pt; color: black; font-family: Arial;">DS0</span></p>
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<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span
style="font-size: 8pt; color: black; font-family: Arial;">IsFlapping</span></p>
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<td
style="border: medium none rgb(224, 223, 227); padding: 0.75pt; background: rgb(206, 207, 206) none repeat scroll 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;">
<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span
style="font-size: 8pt; color: black; font-family: Arial;">false</span></p>
</td>
</tr>
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<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span
style="font-size: 8pt; color: black; font-family: Arial;">AdminStatus</span></p>
</td>
<td
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<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span
style="font-size: 8pt; color: black; font-family: Arial;">UP</span></p>
</td>
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<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span
style="font-size: 8pt; color: black; font-family: Arial;">MaxSpeed</span></p>
</td>
<td
style="border: medium none rgb(224, 223, 227); padding: 0.75pt; background: rgb(206, 207, 206) none repeat scroll 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;">
<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span
style="font-size: 8pt; color: black; font-family: Arial;">64000</span></p>
</td>
</tr>
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<td
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<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span
style="font-size: 8pt; color: black; font-family: Arial;">OperStatus</span></p>
</td>
<td
style="border: medium none rgb(224, 223, 227); padding: 0.75pt; background: rgb(206, 207, 206) none repeat scroll 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;">
<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span
style="font-size: 8pt; color: black; font-family: Arial;">DOWN</span></p>
</td>
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<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span
style="font-size: 8pt; color: black; font-family: Arial;">InterfaceCode</span></p>
</td>
<td
style="border: medium none rgb(224, 223, 227); padding: 0.75pt; background: rgb(206, 207, 206) none repeat scroll 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;">
<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span
style="font-size: 8pt; color: black; font-family: Arial;">ISDNBCHANNEL</span></p>
</td>
</tr>
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<td
style="border: medium none rgb(224, 223, 227); padding: 0.75pt; background: rgb(206, 207, 206) none repeat scroll 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;">
<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span
style="font-size: 8pt; color: black; font-family: Arial;">Mode</span></p>
</td>
<td
style="border: medium none rgb(224, 223, 227); padding: 0.75pt; background: rgb(206, 207, 206) none repeat scroll 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;">
<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span
style="font-size: 8pt; color: black; font-family: Arial;">BACKUP</span></p>
</td>
</tr>
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<td
style="border: medium none rgb(224, 223, 227); padding: 0.75pt; background: rgb(206, 207, 206) none repeat scroll 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;">
<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span
style="font-size: 8pt; color: black; font-family: Arial;">DuplexMode</span></p>
</td>
<td
style="border: medium none rgb(224, 223, 227); padding: 0.75pt; background: rgb(206, 207, 206) none repeat scroll 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;">
<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span
style="font-size: 8pt; color: black; font-family: Arial;">FULLDUPLEX</span></p>
</td>
</tr>
<tr style="">
<td
style="border: medium none rgb(224, 223, 227); padding: 0.75pt; background: rgb(206, 207, 206) none repeat scroll 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;">
<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span
style="font-size: 8pt; color: black; font-family: Arial;">LastChangedAt</span></p>
</td>
<td
style="border: medium none rgb(224, 223, 227); padding: 0.75pt; background: rgb(206, 207, 206) none repeat scroll 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;">
<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span
style="font-size: 8pt; color: black; font-family: Arial;">05-02-2008
16:05:16</span></p>
</td>
</tr>
</tbody>
</table>
</div>
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<div align="center"> </div>
<div align="center"> </div>
<div align="center"> </div>
</div>
</div>
<pre wrap="">
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</pre>
</blockquote>
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