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Ask questions and share experiences about the SRX Series, vSRX, and cSRX.
  • 1.  SRX Sizing

    Posted 06-06-2020 03:37


    Could You help me by referring to a document to specify the proper model of SRX to any envirnoment.

    If I have the infrmation of the internet bandwidth which exists , total concurrwent users, servers , all the reltaed information.

    in other words how to choose the correct model or to do a proper sizing ?

  • 2.  RE: SRX Sizing
    Best Answer

    Posted 06-06-2020 03:52

    Hello HDawood,


    in general there are 4 documents to gather the necessary documentation:


    1.) Juniper SRX Compare Products:,SRX300,SRX4000,SRX4600,SRX5400,SRX550,SRX5600,SRX5800


    2.) Juniper SRX Datasheets:


    3.) Juniper Feature Explorer:


    4.) The Hardware Guides of the different platforms, e.g. SRX300:


    If you don't need firewalling features, e.g. you just need an Internet Gateway, maybe other platforms like MX suit you as well.

  • 3.  RE: SRX Sizing

    Posted 06-06-2020 04:13

    Hello Dawaood,



    Below are  the list of docs you can refer inorder to choose correct model In SRX


    SRX Data sheets and SRX product Comparsion


    SRX product specification Docs,SRX300,SRX4000,SRX4600,SRX5400,SRX550,SRX5600,SRX5800


    Basic Introduction For SRX Model

    SRX Hardware Guide


    If you are looking for any specific model Kindly let me know 

    If this solves your problem, please mark this post as "Accepted Solution".
    If you think that my answer was helpful, please spend some Kudos.


    Regards ,

    Deeksha P


  • 4.  RE: SRX Sizing

    Posted 06-07-2020 12:29

    Hi HDawood, 


    I believe you should refer the Security Products Comparison Chart for the bandwidth throughput, sessions and other performance related information. Also, you might want to list the features that you would need to implement and then verify if these are supported as per the above document. 


    Hope this helps. Smiley Happy


    Mark "Accept as solution" if this answers your query. 

    Kudos are appreciated too! 



    Sharat Ainapur

  • 5.  RE: SRX Sizing

    Posted 06-08-2020 04:56

    Hello HDawood,




    Please refer to the below links for the comparison of all the Juniper SRX models. You will also get the detailed explanation of different attributes like performance, services supported, Junos release, Availability, Hardware guide and many other 


    SRX Series Compare Products:,SRX300,SRX4000,SRX4600,SRX5400,SRX550,SRX5600,SRX5800


    Security Products Comparison Chart:



    Explore the feature supported on each device by clicking on the desired model:

    I hope this helps. Please mark this post "Accept as solution" if this answers your query.


    Kudos are always appreciated! 


    Best Regards,

    Lingabasappa H