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Hi Jason,
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<div>Prior to selection of the Run on All Active Nodes checkbox after upgrade, it sounds like a potential inter-node communication existed with the primary node on which the RL/GW is associated.</div>
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<div>The Run on All Active Nodes feature was introduced in CM 8.5 and later to allow use of the route local rule, which is described below:</div>
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<p class="pB1_Body1">For route lists, the route local rule operates as follows: </p>
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<p class="pB2_Body2">For outbound calls that use route lists (and associated route groups and trunks), when a call from a registered phone or inbound trunk arrives at the node with the route list instance, Cisco Unified CM checks to see if an instance of the
selected outbound trunk exists on the same node as the route list. If so, Cisco Unified CM will use this node to establish the outbound trunk call.
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<p class="pB1_Body1">If both the route list and the trunk have <b class="cBold">Run on all Active Unified CM Nodes</b> enabled, outbound call distribution will be determined by the node on which the inbound call arrives. When the selected outbound trunk uses
Cisco Unified CM Groups instead of running on all nodes, Cisco Unified CM will apply the route local rule if an instance of the selected outbound trunk exists on the same node on which the inbound call arrived. If an instance of the trunk does not exist on
this node, then Cisco Unified CM will forward the call (within the cluster) to a node where the trunk is active.
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<p class="pB1_Body1">If the route list does not have <b class="cBold">Run on all Active Unified CM Nodes</b> enabled, an instance of the route list will be active on one node within the cluster (the primary node of the trunk's Cisco Unified CM Group) and the
route local rule will be applied on this node. </p>
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<div>Ref: <a href="http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/session_mgmt/deploy/8_5_1/trunks.html#wpxref55318">
http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/session_mgmt/deploy/8_5_1/trunks.html#wpxref55318</a><br>
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Regards,<br>
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Matt</div>
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<div>On Apr 16, 2014, at 12:59 PM, Jason Aarons (AM) wrote:</div>
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Topic: Run on All Active Unified CM Nodes in 8.5 and higher<o:p></o:p></div>
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<o:p> </o:p></div>
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So prior to 8.5 was the default to Run on All Active Unified CM Nodes?<o:p></o:p></div>
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<o:p> </o:p></div>
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I upgraded a working customer from CallManager 7.0 to 9.1.2. They have 3 subs. After the upgrade they couldn’t make calls out a MGCP gateway. We put a check in the Route List for Run on All Active Unified CM Nodes and the problem is fixed. They have 30+ Route
lists for 30+ sites. Each site has single PRI with MGCP. Small spoke offices.<o:p></o:p></div>
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<o:p> </o:p></div>
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The have a single RL with a single RG pointed to a single MGCP gateway.<o:p></o:p></div>
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<o:p> </o:p></div>
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The upgrade has none of the Route Lists with Run on All Active Unified CM Nodes. I can’t think of a reason in this scenario (note we have no SIP) not to put the checkmark in the Route Lists for Run on All Active Unified CM Nodes.<o:p></o:p></div>
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<o:p> </o:p></div>
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SRND Run on all active nodes<o:p></o:p></div>
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<a href="http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/session_mgmt/deploy/8_5_1/overview.html" style="color: rgb(5, 99, 193); text-decoration: underline; ">http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/session_mgmt/deploy/8_5_1/overview.html</a><o:p></o:p></div>
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<o:p> </o:p></div>
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<o:p> </o:p></div>
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<o:p> </o:p></div>
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<o:p> </o:p></div>
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