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Chapter
15

Managing Administrative Domains

In this chapter
Administrative Domains overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
Admin Domain management for physical fabric administrators . . . . . . . . 344
SAN management with Admin Domains . . . . . . . . . . . . . . . . . . . . . . . . . . . 356

Administrative Domains overview

An Administrative Domain (Admin Domain or AD) is a logical grouping of fabric elements that
defines which switches, ports, and devices you can view and modify. An Admin Domain is a filtered
administrative view of the fabric.
NOTE
If you do not implement Admin Domains, the feature has no impact on users and you can ignore this
chapter.
Admin Domains permit access to a configured set of users. Using Admin Domains, you can
partition the fabric into logical groups and allocate administration of these groups to different user
accounts. These accounts manage only the Admin Domains assigned to them and do not make
changes to the rest of the fabric.
For example, you can put all the devices in a particular department in the same Admin Domain for
ease of managing those devices. If you have remote sites, you could put the resources in the
remote site in an Admin Domain and assign the remote site administrator to manage those
resources.
Admin Domains and Virtual Fabrics are mutually exclusive and are not supported at the same time
on a switch.
Do not confuse Admin Domains with zones:
Zones define which devices and hosts can communicate with each other.
Admin Domains define which users can manage which devices, hosts, and switches.
You can have up to 256 Admin Domains in a fabric (254 user-defined and 2 system-defined),
numbered from 0 through 255. Admin Domains are designated by a name and a number. This
document refers to specific Admin Domains using the format “ADn” where n is a number between
0 and 255.
NOTE
Do not confuse an Admin Domain number with the domain ID of a switch. They are two different
identifiers. The Admin Domain number identifies the Admin Domain and has a range of 0–255. The
domain ID identifies a switch in the fabric and has a range of 1–239.
Figure 51 on page 336 shows a fabric with two Admin Domains: AD1 and AD2.