> # Locking the Fabric

> The first action that modifies the existing configuration creates the pending configuration and locks the feature in the fabric. Once you lock the fabric, the following conditions apply:

> - No other user can make any configuration changes to this feature.
> - A pending configuration is created by copying the active configuration. Modifications from this point on are made to the pending configuration and remain there until you commit the changes to the active configuration (and other switches in the fabric) or discard them.

> Note iSCSI configuration changes are not allowed when an iSLB CFS session is active.

> Copyright 2010-2015, Cisco Systems, Inc. All rights reserved.