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Fabric OS Administrator’s Guide
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53-1001763-02
Admin Domain management for physical fabric administrators
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1. Log in to the switch with the appropriate RBAC role.
2. Ensure you are in the AD0 context by entering the ad 
--
show command to determine the 
current Admin Domain.
If necessary, switch to the AD0 context by entering the ad 
--
select 0 command.
3. Set the default zoning mode to No Access, as described in 
Creating an Admin Domain
To create an Admin Domain, you must specify an Admin Domain name, number, or both:
If you create an Admin Domain using only a number, the Admin Domain name is automatically 
assigned to be “ADn”, where n is the number you specified.
For example, if you specify AD number = 4, then AD name is set to “AD4”.
If you create an Admin Domain using only a name, the Admin Domain number is automatically 
assigned and is the lowest available AD number, except if you specify a name in the format 
“ADn”, in which case the Admin Domain number is assigned to be n.
For example, if you specify AD name = “blueAD” and the lowest available AD number is 5, then 
AD name is “blueAD” and AD number is 5.
If you specify AD name = “AD15” and the lowest available AD number is 6, then AD name is 
“AD15” and AD number is 15. Because the specified name is in the format “ADn”, the AD 
number is assigned to be n and not the lowest available AD number.
The Admin Domain name cannot exceed 63 characters and can contain alphabetic and numeric 
characters. The only special character allowed is an underscore ( _ ).
When you create an Admin Domain, you must specify at least one member (switch, switch port, or 
device). You cannot create an empty Admin Domain. For more information about these member 
types, see 
A newly created Admin Domain has no zoning defined and the default access mode is No Access. 
This means the devices in the Admin Domain cannot communicate with each other. You must set 
up zones in the newly created Admin Domain to allow devices to access each other, even if the 
devices were already zoned together prior to your moving them to the Admin Domain. See 
 on page 360 for additional information about how zones 
work with Admin Domains.
You create Admin Domains in the transaction buffer. You can either save the newly created Admin 
Domain to a defined configuration or make it the effective Admin Domain configuration directly.
The following procedure describes the steps for creating Admin Domains.
1. Log in to the switch as the physical fabric administrator.
2. Disable Virtual Fabrics, if necessary, as described in 
page 224. Admin Domains and Virtual Fabrics cannot co-exist.
3. Set the default zone mode to No Access, if you have not already done so. See 
 on page 252 for instructions.
4. Switch to the AD255 context, if you are not already in that context:
ad --select 255