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Ask questions and share experiences about the SRX Series, vSRX, and cSRX.
  • 1.  Juniper SRX Fab Links and Control Link

    Posted 11-19-2021 05:46
    Hi Team,

    I need to seek clarification about Fab and Control Link connection for SRX HA purpose.

    What is the best practice for 02 SRX Devices HA : 
         1- Direct connection between each port (Fab to Fab and Control to Control).
         2- Connection via patch panel (optical and RJ45) - Fab to Patch Panel to Fab & Control to Patch Panel to Control. What are the risks associated with to this.

    Thnak You !

    Wilfried ABOU

  • 2.  RE: Juniper SRX Fab Links and Control Link

    Posted 11-19-2021 05:54
    The main point is that the port pairs on both devices need to be directly layer 2 connected to each other.  This can be direct physical, via patch jumps or via switching.

    There are latency and bandwidth requirements for the connection which you can see along with a discussion in the design considerations of this docmenet.

    Steve Puluka BSEET - Juniper Ambassador
    IP Architect - DQE Communications Pittsburgh, PA (Metro Ethernet & ISP)