Unimplemented PortsTo PortChannel/FCIPImplemented Port
Allocation
Product Slot Number
The first 4 or 12 port
numbers are used for
a 4-port or 12-port
module and the rest
remain unused. Extra
ports on 24-port,
32-port, and 48-port
modules are not
allocated port
numbers.
96 through 111Slot 9
112 through 127Slot 10
128 through 143Slot 11
144 through 159Slot 12
160 through 175Slot 13
Port Addresses
By default, port numbers are the same as port addresses. You can swap the port addresses (see the Port
Swapping , on page 282).
You can swap the port addresses by issuing the ficon swap portnumber command.
Implemented and Unimplemented Port Addresses
An implemented port refers to any port address that is assigned by default to a slot in the chassis (see Default
Settings, on page 298). An unimplemented port refers to any port address that is not assigned by default to a
slot in the chassis (see Default Settings, on page 298).
About the Reserved FICON Port Numbering Scheme
A range of 250 port numbers are available for you to assign to all the ports on a switch. Default Settings, on
page 298 shows that you can have more than 250 physical ports on a switch and the excess ports do not have
port numbers in the default numbering scheme. When you have more than 250 physical ports on your switch,
you can have ports without a port number assigned if they are not in a FICON VSAN, or you can assign
duplicate port numbers if they are not used in the same FICON VSAN. For example, you can configure port
number 1 on interface fc1/1 in FICON VSAN 10 and fc10/1 in FICON VSAN 20.
A VSAN can have a maximum of 250 port numbers.
Note
FICON port numbers are not changed for ports that are active. You must first disable the interfaces using the
shutdown command.
Note
You can configure port numbers even when no module is installed in the slot.
Note
Cisco MDS 9000 Series Fabric Configuration Guide, Release 8.x
255
Configuring FICON
Port Addresses
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