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<a name="wp1080203"> </a><h1 class="pTitle">
About Enhanced Zoning

</h1>
<a name="wp1080238"> </a><p class="pBody">
<a href="zone17.html#wp1080245">Table&#160;17-3</a> lists the advantages of the enhanced zoning feature in all switches in the Cisco MDS 9000 
Family.

</p>
<a name="wp1080298"> </a><p class="pBodyRelative">
</p><div>
<table border="2" cellpadding="2" id="wp1080245table1080239">
  <caption><a name="wp1080245"> </a><div class="pTableTitle">
Table&#160;17-3	Advantages of Enhanced Zoning&#160;

</div>
</caption>
  <tr bgcolor="#CCCCCC" align="left" valign="middle">    <th><a name="wp1080251"> </a><p class="pCellHeading">
Basic Zoning

</p>
</th>
    <th><a name="wp1080253"> </a><p class="pCellHeading">
Enhanced Zoning

</p>
</th>
    <th><a name="wp1080255"> </a><p class="pCellHeading">
Enhanced Zoning Advantages

</p>
</th>
</tr>
  <tr align="left" valign="top">    <td><a name="wp1080257"> </a><p class="pBody">
Administrators can make simultaneous 
configuration changes. Upon activation, one 
administrator can overwrite another administrator’s 
changes. 

</p>
</td>
    <td><a name="wp1080259"> </a><p class="pBody">
Performs all configurations within a 
single configuration session. When you 
begin a session, the switch locks the 
entire fabric to implement the change. 

</p>
</td>
    <td><a name="wp1080261"> </a><p class="pBody">
One configuration session for 
the entire fabric to ensure 
consistency within the fabric.

</p>
</td>
</tr>
  <tr align="left" valign="top">    <td><a name="wp1080263"> </a><p class="pBody">
If a zone is part of multiple zone sets, you create an 
instance of this zone in each zone set.

</p>
</td>
    <td><a name="wp1080265"> </a><p class="pBody">
References to the zone are used by the 
zone sets as required once you define 
the zone.

</p>
</td>
    <td><a name="wp1080267"> </a><p class="pBody">
Reduced payload size as the 
zone is referenced. The size 
is more pronounced with 
bigger databases.

</p>
</td>
</tr>
  <tr align="left" valign="top">    <td><a name="wp1080269"> </a><p class="pBody">
The default zone policy is defined per switch. To 
ensure smooth fabric operation, all switches in the 
fabric must have the same default zone setting.

</p>
</td>
    <td><a name="wp1080271"> </a><p class="pBody">
Enforces and exchanges the default 
zone setting throughout the fabric. 

</p>
</td>
    <td><a name="wp1080273"> </a><p class="pBody">
Fabric-wide policy 
enforcement reduces 
troubleshooting time.

</p>
</td>
</tr>
  <tr align="left" valign="top">    <td><a name="wp1080275"> </a><p class="pBody">
To retrieve the results of the activation on a per 
switch basis, the managing switch provides a 
combined status about the activation. It does not 
identify the failure switch.

</p>
</td>
    <td><a name="wp1080277"> </a><p class="pBody">
Retrieves the activation results and the 
nature of the problem from each remote 
switch. 

</p>
</td>
    <td><a name="wp1080279"> </a><p class="pBody">
Enhanced error reporting 
eases the troubleshooting 
process.

</p>
</td>
</tr>
  <tr align="left" valign="top">    <td><a name="wp1080281"> </a><p class="pBody">
To distribute the zoning database, you must 
reactivate the same zone set. The reactivation may 
affect hardware changes for hard zoning on the local 
switch and on remote switches.

</p>
</td>
    <td><a name="wp1080283"> </a><p class="pBody">
Implements changes to the zoning 
database and distributes it without 
reactivation. 

</p>
</td>
    <td><a name="wp1080285"> </a><p class="pBody">
Distribution of zone sets 
without activation avoids 
hardware changes for hard 
zoning in the switches.

</p>
</td>
</tr>
  <tr align="left" valign="top">    <td><a name="wp1080287"> </a><p class="pBody">
The MDS-specific zone member types (IPv4 
address, IPv6 address, symbolic node name, and 
other types) may be used by other non-Cisco 
switches. During a merge, the MDS-specific types 
can be misunderstood by the non-Cisco switches.

</p>
</td>
    <td><a name="wp1080289"> </a><p class="pBody">
Provides a vendor ID along with a 
vendor-specific type value to uniquely 
identify a member type.

</p>
</td>
    <td><a name="wp1080291"> </a><p class="pBody">
Unique vendor type.

</p>
</td>
</tr>
  <tr align="left" valign="top">    <td><a name="wp1080293"> </a><p class="pBody">
The fWWN-based zone membership is only 
supported in Cisco interop mode.

</p>
</td>
    <td><a name="wp1080295"> </a><p class="pBody">
Supports fWWN-based membership in 
the standard interop mode (interop 
mode 1).

</p>
</td>
    <td><a name="wp1080297"> </a><p class="pBody">
The fWWN-based member 
type is standardized.

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

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