Fc Id Allocation - Cisco AP775A - Nexus Converged Network Switch 5010 Configuration Manual

FICON Port Numbering
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
Click FICON > Port Numbers.
Step 1
You see the FICON port numbers dialog box (see
Click the Logical tab to see the reserved port numbers for the slot (see
Step 2
Figure 36-5
Enter the chassis slot port numbers. These are the reserved port numbers for one chassis slot. There can
Step 3
be up to 64 port numbers reserved for each slot in the chassis.
Click Apply.
Step 4

FC ID Allocation

FICON requires a predictable and static FC ID allocation scheme. When FICON is enabled, the FC ID
allocated to a device is based on the port address of the port to which it is attached. The port address
forms the middle byte of the fabric address. Additionally, the last byte of the fabric address should be
the same for all devices in the fabric. By default, the last byte value is 0 and can be configured (see the
"Assigning FC ID Last Byte" section on page
Note You cannot configure persistent FC IDs in FICON-enabled VSANs.
Cisco MDS switches have a dynamic FC ID allocation scheme. When FICON is enabled or disabled on
a VSAN, all the ports are shut down and restarted to switch from the dynamic to static FC IDs and vice
versa (see
Figure 36-6
static domain ID (5), the port address (0x44), and the last byte value (0).
Cisco MDS 9000 Family Fabric Manager Configuration Guide
36-14
Reserved Port Numbers for the Selected Slot
Figure 36-6).
Static FC ID Allocation for FICON
Static Domain Port Address
5
Static FC ID allocation for interface fc3/5 includes the
Figure 36-4).
36-20).
Last Byte
0x44 0
Chapter 36 Configuring FICON
Figure 36-5).
OL-17256-03, Cisco MDS NX-OS Release 4.x