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    Understanding Licenses for Logical Systems on SRX Series Devices

    This topic provides licensing information for SRX Series devices running logical systems. For general licensing information, such as how to install a license, see the Junos OS Installation and Upgrade Guide PDF Document.

    By default, a device running logical systems delivers a master logical system at the root level. You can purchase licenses for other logical systems that you intend to create. If you intend to configure an interconnect logical system to use as a switch, it also requires a license.

    Complications arise if the number of logical systems that you configure exceeds the number of licenses that you have purchased. The system will allow you to configure additional logical systems. However, when you attempt to commit their configurations, the system issues a warning message similar to the following: Warning: 2 more license(s) are needed, logical system won't work without license!. The message indicates the number of logical systems without licenses. We recommend that you do not configure more logical systems than the number of licenses you have purchased.

    If you configure more logical systems than the number of licenses that you have purchased, the additional logical systems will not be activated until a license is available. The system will drop packets destined to them. They are inactive.

    When a logical system is deleted, its license is freed up. That license is assigned to an inactive logical system, and the logical system is activated.

    You can use the show system license status logical-system all command on the command-line interface (CLI) to determine which logical systems are active.

    user@host>  			show system license status logical-system all 
    logical system name						license status
    root-logical-system						enabled
    LSYS2														enabled
    LSYS0														enabled	
    LSYS11													enabled	
    LSYS12													enabled	
    LSYS23													enabled	
    LSYS10													enabled	
    LSYS13													enabled	
    LSYS18													enabled	
    When you use SRX Series devices running logical systems in a
chassis cluster, you must purchase and install the same number of
licenses for each node in the chassis cluster. Logical systems licenses
pertain to a single chassis, or node, within a chassis cluster and
not to the cluster collectively. 
     
    Related Documentation
     
    Published: 2012-06-29
    
						
    


    


    



    



    
    
    
        
        
    
    

    

    


    

    

    
    
    
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