If a password is trivial (such as a short, easy-to-decipher password), the Cisco Nexus device rejects the
password. Be sure to configure a strong password for each user account. A strong password has the following
characteristics:
• At least eight characters long
• Does not contain many consecutive characters (such as "abcd")
• Does not contain many repeating characters (such as "aaabbb")
• Does not contain dictionary words
• Does not contain proper names
• Contains both uppercase and lowercase characters
• Contains numbers
The following are examples of strong passwords:
• If2CoM18
• 2009AsdfLkj30
• Cb1955S21
For security reasons, user passwords do not display in the configuration files.
Note
Guidelines and Limitations for User Accounts
User accounts have the following guidelines and limitations when configuring user accounts and RBAC:
• Up to 256 rules can be added to a user role.
• A maximum of 64 user roles can be assigned to a user account.
• You can assign a user role to more that one user account.
• Predefined roles such as network-admin, network-operator, and san-admin are not editable.
• Add, delete, and editing of rules is not supported for the SAN admin user role.
• The interface, VLAN, and/or VSAN scope cannot be changed for the SAN admin user role.
A user account must have at least one user role.
Note
Cisco Nexus 3548 Switch NX-OS System Management Configuration Guide, Release 7.x
204
Configuring User Accounts and RBAC
Guidelines and Limitations for User Accounts
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