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    <title>CFS Distribution over IP </title>
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<a name="wp1447534"> </a><h1 class="pTitle">
CFS Distribution over IP

</h1>
<a name="wp1447536"> </a><p class="pBody">
You can configure CFS to distribute information over IP for networks containing switches that are not 
reachable over Fibre Channel. CFS distribution over IP supports the following features:

</p>
<div class="pSmartList1"><ul class="pSmartList1">
<a name="wp1447537"> </a><li class="pSmartList1">Physical distribution over an entirely IP network.
</li>
<a name="wp1447538"> </a><li class="pSmartList1">Physical distribution over a hybrid Fibre Channel and IP network with the distribution reaching all 
switches that are reachable over either Fibre Channel or IP.
</li>
<a name="wp1447539"> </a><p class="pListNote1">
<strong>Note	&nbsp;&nbsp;&nbsp;</strong> The switch attempts to distribute information over Fibre Channel first and then over the IP 
network if the first attempt over Fibre Channel fails. CFS does not send duplicate messages if 
distribution over both IP and Fibre Channel is enabled.

</p>
<a name="wp1447540"> </a><li class="pSmartList1">Distribution over IP version 4 (IPv4) or IP version 6 (IPv6).
</li>
<a name="wp1447541"> </a><p class="pListNote1">
<strong>Note	&nbsp;&nbsp;&nbsp;</strong> CFS cannot distribute over both IPv4 and IPv6 from the same switch.

</p>
<a name="wp1447542"> </a><li class="pSmartList1">Keepalive mechanism to detect network topology changes using a configurable multicast address.
</li>
<a name="wp1447543"> </a><li class="pSmartList1">Compatibility with Cisco MDS SAN-OS Release 2.x.
</li>
<a name="wp1447544"> </a><li class="pSmartList1">Distribution for logical scope applications is not supported because the VSAN implementation is 
limited to Fibre Channel.
</li>
</ul></div>
<hr /><br><p class="pBody">Copyright 2010-2013, Cisco Systems, Inc. All rights reserved.</p> 

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