Device Alias Requirements; Zone Aliases Versus Device Aliases - Cisco Nexus 5500 Series NX-OS Configuration Manual

Information About Device Aliases
• Device aliases used to configure zones, IVR zones, or port security features are displayed automatically
with their respective pWWNs in the show command output.
For additional information, refer to Using Cisco Fabric Services in the System Management Configuration
Guide for your device.
Related Topics
Device Alias Modes, on page 158

Device Alias Requirements

Device aliases have the following requirements:
• You can only assign device aliases to pWWNs.
• There must be a one-to-one relationship between the pWWN and the device alias that maps to it.
• A device alias name is restricted to 64 alphanumeric characters and may include one or more of the
following characters:

Zone Aliases Versus Device Aliases

The following table compares the configuration differences between zone-based alias configuration and device
alias configuration.
Table 24: Comparison Between Zone Aliases and Device Aliases
Zone-Based Aliases
Aliases are limited to the specified VSAN.
Zone aliases are part of the zoning configuration. The
alias mapping cannot be used to configure other
features.
You can use any zone member type to specify the end
devices.
Cisco Nexus 5500 Series NX-OS SAN Switching Configuration Guide, Release 7.x
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◦ a to z and A to Z
◦ Device alias names must begin with an alphabetic character (a to z or A to Z).
◦ 1 to 9
◦ - (hyphen) and _ (underscore)
◦ $ (dollar sign) and ^ (up caret)
Distributing Device Alias Services
Device Aliases
You can define device aliases without specifying the
VSAN number. You can also use the same definition
in one or more VSANs without any restrictions.
Device aliases can be used with any feature that uses
the pWWN.
Only pWWNs are supported.
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