Important note about SSL VPN compatibility for 20.0 MR1 with EoL SFOS versions and UTM9 OS. Learn more in the release notes.

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NAT session limitations on SOPHOS

Ahmad

hi,
if i have a firewall with one isp. if i configured port1 as lan and port2 as wAN and configure public ip over it. i configured
a Firewall from LAN to WAN, and NAT MASQ rule. then all my users will start going to internet by using port2 IP.
my questions are:
Question1: how many sessions are supported SOPHOS on single public IP???
Question2: if session of first ip is exchausted then how can i add 2nd ip so that 2nd public will be used.

please advise.



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    1. theoretical, almost infinitely many. There are more than 60000 possible source ports ... to every destination IP ... How many clients are you talking about? ... for details you should open a service-ticket or ask the presales team.

    2. You can try to split traffic and use a second IP for the half of it.   Maybe loadbalancing is possible too ... but never tested.


    Dirk

    Systema Gesellschaft für angewandte Datentechnik mbH  // Sophos Platinum Partner
    Sophos Solution Partner since 2003
    If a post solves your question, click the 'Verify Answer' link at this post.

Reply
  • 0

    1. theoretical, almost infinitely many. There are more than 60000 possible source ports ... to every destination IP ... How many clients are you talking about? ... for details you should open a service-ticket or ask the presales team.

    2. You can try to split traffic and use a second IP for the half of it.   Maybe loadbalancing is possible too ... but never tested.


    Dirk

    Systema Gesellschaft für angewandte Datentechnik mbH  // Sophos Platinum Partner
    Sophos Solution Partner since 2003
    If a post solves your question, click the 'Verify Answer' link at this post.

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