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  • 1.  1 External IP to multiple internal IPS

    Posted 02-09-2024 09:00
    Hi guys,
    Quick question in my old ISG-2000 Netscreen I could give multiple public IPs the same internal NAT ip. On the SRX1500 it fails to commit saying there is an overlap.  I have multiple domains pointing to the same Virtual Server on my load balancer pointing to my web server farm. 
    I read something about address-shared; but have no clue how to do this.
    If anyone can shed some light it would be appreciated. 


  • 2.  RE: 1 External IP to multiple internal IPS

    Posted 02-09-2024 19:35

    Sounds like you are looking for inbound destination nat to load balancer which does support doing multiple public addresses to the internal one.  The link you show is source address translation which would not be relevant in this case.

    The other option is static nat which is limited to a single one to one translation for both outbound source and in bound destination nat which is not applicable to the inbound load balancer option.

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