FICON Cascading
The Cisco MDS NX-OS software allows multiple switches in a FICON network. To configure multiple
switches, you must enable and configure fabric binding in that switch and refer to the Cisco MDS 9000 Family
NX-OS Security Configuration Guide ).
FICON VSAN Prerequisites
To ensure that a FICON VSAN is operationally up, be sure to verify the following requirements:
• Set the default zone to permit, if you are not using the zoning feature. See the .
• Enable in-order delivery on the VSAN. See Configuring Fibre Channel Routing Services and Protocols,
on page 185
• Enable (and if required, configure) fabric binding on the VSAN. For more information about Fabric
Binding, refer to the Cisco MDS 9000 Family NX-OS Security Configuration Guide .
• Verify that conflicting persistent FC IDs do not exist in the switch. For information about configuring
domain parameters, refer to the Cisco MDS 9000 Family NX-OS System Management Configuration
Guide .
• Verify that the configured domain ID and requested domain ID match. For information about configuring
domain parameters, refer to the Cisco MDS 9000 Family NX-OS System Management Configuration
Guide .
• Add the CUP (area FE) to the zone, if you are using zoning. See the CUP In-Band Management, on page
289.
If any of these requirements are not met, the FICON feature cannot be enabled.
FICON Port Numbering
With reference to the FICON feature, ports in Cisco MDS switches are identified by a statically defined 8-bit
value known as the port number. A maximum of 255 port numbers are available. You can use the following
port numbering schemes:
• Default port numbers based on the chassis type
• Reserved port numbers
This section includes the following topics:
You must enable FICON on the switch before reserving FICON port number (see the About Enabling FICON
on a VSAN, on page 259).
Note
Cisco MDS 9000 Series Fabric Configuration Guide, Release 8.x
251
Configuring FICON
FICON Cascading
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