User Account Configuration Restrictions - Cisco Nexus 5600 Series Configuration Manual
Nx-os system management
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Also See for Nexus 5600 Series:
- Hardware installation manual (100 pages) ,
- Reference (480 pages)
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User Account Configuration Restrictions
User Account Configuration Restrictions
The following words are reserved and cannot be used to configure users:
• adm
• bin
• daemon
• ftp
• ftpuser
• games
• gdm
• gopher
• halt
• lp
• mail
• mailnull
• man
• mtsuser
• news
• nobody
• san-admin
• shutdown
• sync
• sys
• uucp
• xfs
Caution
The Cisco Nexus 5000 and 6000 Series switch does not support all numeric usernames, even if those
usernames were created in TACACS+ or RADIUS. If an all numeric username exists on an AAA server
and is entered during login, the switch rejects the login request.
Usernames must begin with an alphanumeric character and can contain only these special characters: ( +
= . _ \ -). The # and ! symbols are not supported. If the username contains characters that are not allowed,
the specified user is unable to log in. Effective from Cisco NX-OS release 7.3(0)N1(1), usernames starting
with _(underscore) are supported.
Cisco Nexus 5600 Series NX-OS System Management Configuration Guide, Release 7.x
74
Configuring User Accounts and RBAC
OL-31641-01
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