Dell PowerEdge M420 8/4 Gbps FC SAN Module Administrator's Guide - Page 16

FC SAN Module port types, FC SAN Module limitations

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1 FC SAN Module port types FC SAN Module port types The Dell NPIV Switch FC SAN Module differs from a typical fabric switch because it is a port aggregator rather than a switch; instead, it connects to the fabric using node ports (N_Ports). Typically fabric switches connect to the fabric using ISL (InterSwitch Link) ports, such as E_Ports. Following are the Fibre Channel (FC) ports that the FC SAN Module uses: • F_Port - internal fabric port that connects a blade server (HBA). • N_Port - external node port that connects to a switch. FC SAN Module limitations The limitations of the FC SAN Module are as follows: • The maximum number of devices that can be connected to a fabric switch through the FC SAN Module depends on the maximum number of local devices supported by the fabric. • Loop devices are not supported. • Port groups cannot be overlapped. This means that an N_Port cannot belong to two different groups. • Direct connections to SAN target devices are not supported. • Management Platform Services is not supported. • Name Services is not supported. • Zoning is not supported; security enforcement is done using the ADS policy. 2 Dell 8/4Gbps FC SAN Module Administrator's Guide 53-1001345-01

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Dell 8/4Gbps FC SAN Module Administrator’s Guide
53-1001345-01
FC SAN Module port types
1
FC SAN Module port types
The Dell NPIV Switch FC SAN Module differs from a typical fabric switch because it is a port
aggregator rather than a switch; instead, it connects to the fabric using node ports (N_Ports).
Typically fabric switches connect to the fabric using ISL (InterSwitch Link) ports, such as E_Ports.
Following are the Fibre Channel (FC) ports that the FC SAN Module uses:
•
F_Port -
internal fabric port that connects a blade server (HBA).
•
N_Port -
external node port that connects to a switch.
FC SAN Module limitations
The limitations of the FC SAN Module are as follows:
•
The maximum number of devices that can be connected to a fabric switch through the FC SAN
Module depends on the maximum number of local devices supported by the fabric.
•
Loop devices are not supported.
•
Port groups cannot be overlapped. This means that an N_Port cannot belong to two different
groups.
•
Direct connections to SAN target devices are not supported.
•
Management Platform Services is not supported.
•
Name Services is not supported.
•
Zoning is not supported; security enforcement is done using the ADS policy.