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Fabric OS Administrator’s Guide
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User accounts overview
5
Fabric OS provides three options for authenticating users—remote RADIUS services, remote LDAP 
service, and the local switch user database. All options allow users to be centrally managed using 
the following methods:
Remote RADIUS server: Users are managed in a remote RADIUS server. All switches in the 
fabric can be configured to authenticate against the centralized remote database.
Remote LDAP server: Users are managed in a remote LDAP server. All switches in the fabric 
can be configured to authenticate against the centralized remote database.
Local user database: Users are managed using the local user database. The local user 
database is manually synchronized using the distribute command to push a copy of the 
switch’s local user database to all other Fabric OS v5.3.0 and later switches in the fabric.
Role-Based Access Control (RBAC)
Role-Based Action Control (RBAC) defines the capabilities that a user account has based on the 
role the account has been assigned. For each role, there is a set of predefined permissions on the 
jobs and tasks that can be performed on a fabric and its associated fabric elements. Fabric OS 
uses RBAC to determine which commands a user can issue.
When you log in to a switch, your user account is associated with a predefined role. The role that 
your account is associated with determines the level of access you have on that switch and in the 
fabric. The chassis-role permission is not a role like the other role types, but a permission that is 
applied to a user account. You can use the userConfig command to add this permission to a user 
account. For clarity, this permission has been added to 
, which outlines the Fabric OS 
predefined roles.
Admin Domain considerations: Legacy users with no Admin Domain specified and their current role 
is admin will have access to AD 0 through 255 (physical fabric admin); otherwise, they will have 
access to AD0 only. 
If some Admin Domains have been defined for the user and all of them are inactive, the user will 
not be allowed to log in to any switch in the fabric. If no Home Domain is specified for a user, the 
system provides a default home domain. 
TABLE 10
Fabric OS roles
Role name
Duties
Description
Admin
All administration
All administrative commands excluding 
chassis-specific commands.
BasicSwitchAdmin
Restricted switch administration
Mostly monitoring with limited switch (local) 
commands.
FabricAdmin
Fabric and switch administration All switch and fabric commands, excludes user 
management and Admin Domains commands.
Operator
General switch administration
Routine switch maintenance commands.
SecurityAdmin 
Security administration
All switch security and user management functions.
SwitchAdmin
Local switch administration
Most switch (local) commands, excludes security, user 
management, and zoning commands.
User
Monitoring only
Nonadministrative use, such as monitoring system 
activity.
ZoneAdmin
Zone administration
Zone management commands only.