Domain Ids; Domain Ids - Guidelines - Cisco Nexus 5500 Series NX-OS Configuration Manual

Domain IDs

Step 3
Domain IDs
Domain IDs uniquely identify a switch in a VSAN. A switch may have different domain IDs in different
VSANs. The domain ID is part of the overall FC ID.

Domain IDs - Guidelines

The configured domain ID can be preferred or static. By default, the configured domain ID is 0 (zero) and
the configured type is preferred.
The 0 (zero) value can be configured only if you use the preferred option.
Note
If you do not configure a domain ID, the local switch sends a random ID in its request. We recommend that
you use static domain IDs.
When a subordinate switch requests a domain, the following process takes place (see the figure below):
• The local switch sends a configured domain ID request to the principal switch.
Cisco Nexus 5500 Series NX-OS SAN Switching Configuration Guide, Release 7.x
36
Command or Action
no fcdomain auto-reconfigure vsan vsan-id
Example:
switch(config)# no fcdomain
auto-reconfigure vsan 1
Configuring Fibre Channel Domain Parameters
Purpose
Disables the automatic reconfiguration option
and reverts it to the factory default in the
specified VSAN. The VSAN ID ranges from 1
to 4093.
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