Setting A Unique Domain Id; Cascaded Configuration, Two Switches; Cascaded Configuration, Three Switches - HP A7533A - Brocade 4Gb SAN Switch Base Administrator's Manual

Hp storageworks fabric os 6.1.x administrator guide (5697-0234, november 2009)
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Figure 48
and
A to be configured for two-byte addressing and require IDID and fabric binding. It is recommended that
there are only 2 domains in a path from a FICON Channel interface to a FICON Control Unit interface.
Channel
A
Figure 48

Cascaded configuration, two switches

Channel
A
Figure 49

Cascaded configuration, three switches

Setting a unique Domain ID

In a cascaded configuration, each switch must have a unique Domain ID, and insistent Domain ID (IDID)
mode must be enabled.
To set a unique Domain ID and enable IDID mode:
1.
Connect to the switch and log in as admin.
2.
Verify that the switch has a unique Domain ID. If it does not, set a unique Domain ID.
For instructions on displaying and changing the Domain ID, see
page 33.
3.
Enter the switchDisable command to disable the switch.
4.
Enter the configure command.
5.
Enter y after the Fabric Parameters prompt.
6.
To enable IDID mode, enter y after the "Insistent Domain ID Mode" prompt.
You can disable this mode by entering n.
7.
Respond to the remaining prompts (or press Ctrl-d to accept the other settings and exit).
420 FICON fabrics
Figure 49
show two viable cascaded configurations. These configurations require Channel
Switch
Domain ID = 21
Domain ID = 22
Switch
Domain ID = 21
Domain ID = 22
Domain ID = 23
Control
Switch
Unit
B
Control
Switch
Unit
C
Control
Switch
Unit
D
"Working with Domain
IDs" on

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