The following steps show you how to start and stop a broker.
mqsistart WBRK_BROKER
Substitute your own broker name for WBRK_BROKER.
The broker and its associated queue manager are started. Check the syslog to ensure that the broker has initialized successfully.
mqsistop WBRK_BROKER
You can also request that the broker's queue manager is stopped by this command. Refer to Stopping a WebSphere MQ queue manager when you stop a component.