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Chapter 24
Configuring FICON
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m .
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. Port numbers are assigned based on the module and the slot in the
chassis. Port numbers cannot be changed and the first port in a switch always starts with a 0 (see
Figure
Figure 24-3
The FICON port number is assigned based on the front panel location of the port and is specific to the
slot in which the module resides. Even if the module is a 16-port module, 32 port numbers are assigned
to that module—regardless of the the module's physical presence in the chassis or the port status (up or
down).
Only Fibre Channel, PortChannel, and FCIP ports are mapped to FICON port numbers. Other types of
Note
interfaces do not have a corresponding port number.
Table 24-1
OL-6973-03, Cisco MDS SAN-OS Release 2.x
24-3).
Port Number in the Cisco MDS 9000 Family
lists the port number assignment for the Cisco MDS 9000 Family of switches and directors.
Module 1 16-Port module
0 1 2 3
4 5 6 7
8 9 10 11
11 13 14 15
Module 2 16-Port module
32 33 34 35
36 37 38 39
40 41 42 43
44 45 46 47
Cisco MDS 9000 Family Configuration Guide
FICON Port Numbering
24-7
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