Contiguous Domain Id Assignments; Enabling Contiguous Domain Id Assignments; Fc Ids; Switch(Config)# Fcdomain Domain - Cisco Nexus 6000 Series Configuration Manual

Configuring Fibre Channel Domain Parameters

Contiguous Domain ID Assignments

By default, the contiguous domain assignment is disabled. When a subordinate switch requests the principal
switch for two or more domains and the domains are not contiguous, the following situations can occur:
• If the contiguous domain assignment is enabled in the principal switch, the principal switch locates
• If the contiguous domain assignment is disabled in the principal switch, the principal switch assigns the

Enabling Contiguous Domain ID Assignments

You can enable contiguous domains in a specific VSAN (or a range of VSANs).
Procedure

Step 1

Step 2
Step 3

FC IDs

When an N port logs into a SAN switch, it is assigned an FC ID. By default, the persistent FC ID feature is
enabled. If this feature is disabled, the following situations can occur:
• An N port logs into a SAN switch. The WWN of the requesting N port and the assigned FC ID are
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contiguous domains and assigns them to the subordinate switches. If contiguous domains are not available,
the switch software rejects this request.
available domains to the subordinate switch.
Command or Action
configure terminal

Example:

switch# configure terminal
switch(config)#
fcdomain contiguous-allocation vsan vsan-id
- vsan-id
Example:
switch(config)# fcdomain
contiguous-allocation vsan 22-30
no fcdomain contiguous-allocation vsan
vsan-id
Example:
switch(config)# no fcdomain
contiguous-allocation vsan 7
retained and stored in a volatile cache. The contents of this volatile cache are not saved across reboots.
Cisco Nexus 6000 Series NX-OS SAN Switching Configuration Guide, Release 6.x
Purpose
Enters global configuration mode.
Enables the contiguous allocation option in the
specified VSAN range.
The contiguous-allocation option takes
Note
immediate effect at runtime. You do not
need to restart the fcdomain.
Disables the contiguous allocation option and
reverts it to the factory default in the specified
VSAN.
FC IDs
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