Configuring Domain Parameters; Information About Fibre Channel Domains - Cisco AP775A - Nexus Converged Network Switch 5010 Configuration Manual

Configuring Domain Parameters

This chapter contains the following sections:
•
Configuring Domain Parameters
The Fibre Channel domain (fcdomain) feature performs principal switch selection, domain ID distribution,
FC ID allocation, and fabric reconfiguration functions as described in the FC-SW-2 standards. The domains
are configured on a per-VSAN basis. If you do not configure a domain ID, the local switch uses a random
ID.
Changes to fcdomain parameters should not be performed on a daily basis. These changes should be made
Caution
by an administrator or individual who is completely familiar with switch operations.
When you change the configuration, be sure to save the running configuration. The next time you reboot the
switch, the saved configuration is used. If you do not save the configuration, the previously saved startup
configuration is used.

Information About Fibre Channel Domains

This section describes each fcdomain phase:
• Principal switch selection—This phase guarantees the selection of a unique principal switch across the
• Domain ID distribution—This phase guarantees each switch in the fabric obtains a unique domain ID.
• FC ID allocation—This phase guarantees a unique FC ID assignment to each device attached to the
• Fabric reconfiguration—This phase guarantees a resynchronization of all switches in the fabric to ensure
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Configuring Domain Parameters, page 479
fabric.
corresponding switch in the fabric.
they simultaneously restart a new principal switch selection phase.
C H A P T E R
Cisco Nexus 5000 Series Switch CLI Software Configuration Guide
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