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    <title>Information About Forceful Shutdown </title>
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<a name="wp1091119"> </a><h1 class="pTitle">
Information About Forceful Shutdown

</h1>
<a name="wp1158390"> </a><p class="pBody">
If a tracked port flaps frequently, then tacking ports using the operational binding feature may cause 
frequent topology change. In this case, you may choose to keep the port in the down state until you are 
able to resolve the reason for these frequent flaps. Keeping the flapping port in the down state forces the 
traffic to flow through the redundant path until the primary tracked port problems are resolved. When 
the problems are resolved and the tracked port is back up, you can explicitly enable the interface.

</p>
<a name="wp1119007"> </a><p class="pBody">
If a tracked port flaps frequently, then tracking ports using the operational binding feature may cause 
frequent topology change. In this case, you may choose to keep the port in the down state until you are 
able to resolve the reason for these frequent flaps. Keeping the flapping port in the down state forces the 
traffic to flow through the redundant path until the primary tracked port problems are resolved. When 
the problems are resolved and the tracked port is back up, you can explicitly enable the interface.

</p>
<a name="wp1119008"> </a><p class="pBodyAutonumRel">
<strong>Tip	&nbsp;&nbsp;&nbsp;</strong> If you configure this feature, the linked port continues to remain in the shutdown state even after the 
tracked port comes back up. You must explicitly remove the forced shut state (by administratively 
bringing up this interface) of the linked port once the tracked port is up and stable.

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<hr /><br><p class="pBody">Copyright 2010-2013, Cisco Systems, Inc. All rights reserved.</p> 

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