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    <title>F and TF PortChannel Limitations </title>
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<a name="wp1072902"> </a><h1 class="pTitle">
F and TF PortChannel Limitations

</h1>
<a name="wp1072903"> </a><p class="pBody">
The following guidelines and restrictions are applicable for F and TF PortChannels:

</p>
<div class="pSmartList1"><ul class="pSmartList1">
<a name="wp1072904"> </a><li class="pSmartList1">The ports must be in F mode.
</li>
<a name="wp1072905"> </a><li class="pSmartList1">Automatic creation is not supported.
</li>
<a name="wp1072906"> </a><li class="pSmartList1">The PortChannel interface must be in ACTIVE mode when multiple FCIP interfaces are grouped 
with WA.
</li>
<a name="wp1072907"> </a><li class="pSmartList1">ON mode is not supported. Only ACTIVE-ACTIVE mode is supported. By default, the mode is 
ACTIVE on the NPV switches.
</li>
<a name="wp1072908"> </a><li class="pSmartList1">Devices logged in through F PortChannel on an MDS switch are not supported in IVR non-NAT 
configuration. The devices are supported only in IVR NAT configuration.
</li>
<a name="wp1072909"> </a><li class="pSmartList1">Port security rules are enforced only on physical pWWNs at the single link level. 
</li>
<a name="wp1072910"> </a><li class="pSmartList1">FC-SP authenticates only the first physical FLOGI of every PortChannel member.
</li>
<a name="wp1072911"> </a><li class="pSmartList1">Since the FLOGI payload carries only the VF bits to trigger the use of a protocol after the FLOGI 
exchange, those bits will be overridden. In the case of the NPV switches, the core has a Cisco WWN 
and will try to initiate the PCP protocol.
</li>
<a name="wp1072912"> </a><li class="pSmartList1">The name server registration of the N ports logging in through an F PortChannel will use the fWWN 
of the PortChannel interface.
</li>
<a name="wp1072913"> </a><li class="pSmartList1">DPVM configuration is not supported.
</li>
<a name="wp1072914"> </a><li class="pSmartList1">The PortChannel port VSAN cannot be configured using DPVM.
</li>
<a name="wp1072915"> </a><li class="pSmartList1">The Dynamic Port VSAN Management (DPVM) database will be queried only for the first physical 
FLOGI of each member, so that the port VSAN can be configured automatically. 
</li>
<a name="wp1072916"> </a><li class="pSmartList1">DPVM does not bind FC_IDs to VSANs, but pWWNs to VSANs. It will be queried only for the 
physical FLOGI.
</li>
</ul></div>
<hr /><br><p class="pBody">Copyright 2010-2013, Cisco Systems, Inc. All rights reserved.</p> 

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