34 IBM Flex System FC5022 16Gb SAN Scalable Switch User’s Guide
Managing the switch
2
Brocade Inter-Switch Link Trunking
Brocade Inter-Switch Link (ISL) Trunking is optional software that allows you to create trunking
groups of ISLs between adjacent switches. Up to eight FC ports on the switch can be used as a
trunking group to achieve speeds up to 128 Gbps (256 Gbps full duplex) for optimal bandwidth
utilization and load balancing. For more information about Brocade ISL Trunking, see the Fabric OS
Administrator’s Guide.
Fabric OS Native and Access Gateway modes
The switch can function in either Fabric OS Native mode or Access Gateway mode. The switch is
shipped in Fabric OS Native mode by default.
• You can enable Access Gateway mode using Fabric OS commands or Web Tools.
• All ports must be enabled on a switch for Access Gateway to be enabled, as all ports are
utilized under the port mapping.
• When you enable Access Gateway, you can use the default F_Port-to-N_Port mappings or
change this mapping using the CLI or Web Tools after you configure an IP address. Access
Gateway simplifies switch deployment by using NPIV. NPIV provides FC switch functions that
improve switch scalability, manageability, and interoperability. For more information on Access
Gateway, refer to the following references:
- For general information and details on using Access Gateway, refer to the Access Gateway
Administrator’s Guide Supporting Fabric OS v7.0.0.
- For specific instructions to prepare the edge fabric before connecting it to the Access
Gateway (since Access Gateway relies on NPIV technology for its connection to the edge
fabric), refer to the SAN TECH NOTE - Preparing to Install the Brocade Access Gateway.
- For a list of F_Ports mapped to N_Ports by default, refer to Table 11.
Access Gateway can be connected directly into a storage array with at least one port connected
to an external SAN fabric.
TABLE 11 F_port to N_port mappings
F port N port F port N port
1, 21 0 11 38
2, 22 29 12 39
3, 23 30 13 40
4, 24 31 14 41
5, 25 32 15 42
6, 26 33 16 43
7, 27 34 17 44
8, 28 35 18 45
9361946
10 37 20 47
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