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    <title>Changing from Enhanced Zoning to Basic Zoning </title>
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<a name="wp1080586"> </a><h1 class="pTitle">
Changing from Enhanced Zoning to Basic Zoning

</h1>
<a name="wp1080587"> </a><p class="pBody">
The standards do not allow you to move back to basic zoning. However, Cisco MDS switches allow this 
move to enable you to downgrade and upgrade to other Cisco SAN-OS or Cisco NX-OS releases.

</p>
<a name="wp1093173"> </a><h2 class="pHeading2">
Detailed Steps
</h2>
<a name="wp1080588"> </a><p class="pBody">
To change to the basic zoning mode from the enhanced mode, follow these steps:

</p>
<div class="pSmartList1"><ol type="1" class="pSmartList1">
<a name="wp1080589"> </a><li class="pSmartList1">Verify that the active and full zone set do not contain any configuration that is specific to the enhanced 
zoning mode. 
</li>
<a name="wp1080590"> </a><p class="pListBodyLevel1">
If such configurations exist, delete them before proceeding with this procedure. If you do not delete the 
existing configuration, the Cisco NX-OS software automatically removes them.

</p>
<a name="wp1080591"> </a><li class="pSmartList1">Set the operation mode to basic zoning mode. 
</li>
<a name="wp1189289"> </a><p class="pListBodyLevel1">
You will be able to automatically start a session, acquire a fabric wide lock, distribute the zoning 
information using the basic zoning data structure, apply the configuration changes, and release the lock 
from all switches in the fabric. All switches in the fabric then move to basic zoning mode. 

</p>
<a name="wp1080592"> </a><p class="pListNote1">
<strong>Note	&nbsp;&nbsp;&nbsp;</strong> If a switch running Cisco SAN-OS Release 2.0(1b) and NX-OS 4(1b) or later, with enhanced 
zoning enabled is downgraded to Cisco SAN-OS Release 1.3(4), or earlier, the switch comes up 
in basic zoning mode and cannot join the fabric because all the other switches in the fabric are 
still in enhanced zoning mode.

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

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