Enabling Rscn Timer Configuration Distribution; Locking The Fabric - Cisco AP776A - Nexus Converged Network Switch 5020 Configuration Manual

RSCN
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
Only the RSCN timer configuration is distributed.
Note
The RSCN timer is registered with CFS during initialization and switchover. For high availability, if the
RSCN timer distribution crashes and restarts or a switchover occurs, it resumes normal functionality
from the state prior to the crash or switchover.
This section includes the following topics:
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You can determine the compatibility when downgrading to an earlier Cisco MDS NX-OS release using
Note
show incompatibility system command. You must disable RSCN timer distribution support before
downgrading to an earlier release.
By default, the RSCN timer distribution capability is disabled and is compatible when upgrading from
Note
any Cisco MDS SAN-OS release earlier to 3.0.
For CFS distribution to operate correctly for the RSCN timer configuration, all switches in the fabric
Note
must be running Cisco SAN-OS Release 3.0(1) or later, or Cisco NX-OS 4.1(1b).

Enabling RSCN Timer Configuration Distribution

To enable RSCN timer configuration distribution, follow these steps:
Command
Step 1
switch# config t
switch(config)#
Step 2
switch(config)# rscn distribute
switch(config)# no rscn distribute

Locking the Fabric

The first action that modifies the database creates the pending database and locks the feature in the
VSAN. Once you lock the fabric, the following situations apply:
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Cisco MDS 9000 Family CLI Configuration Guide
27-12
Enabling RSCN Timer Configuration Distribution, page 27-12
Locking the Fabric, page 27-12
Committing the RSCN Timer Configuration Changes, page 27-13
Discarding the RSCN Timer Configuration Changes, page 27-13
Clearing a Locked Session, page 27-13
Displaying RSCN Configuration Distribution Information, page 27-13
No other user can make any configuration changes to this feature.
A copy of the configuration database becomes the pending database along with the first active
change.
Chapter 27 Managing FLOGI, Name Server, FDMI, and RSCN Databases
Purpose
Enters configuration mode.
Enables RSCN timer distribution.
Disables (default) RSCN timer distribution.
OL-18084-01, Cisco MDS NX-OS Release 4.x