Forum Discussion

SivaYenduri's avatar
Dec 03, 2019

How does F5 select the IP from SNAT pool to communicate with backend server

Hello All,   We have an LB setup and 2 backend servers are configured behind the VIP ip. We have to troubleshoot a File transfer issue and we need to capture the packets on server and client as we...
  • Nathan_F__F5_'s avatar
    Dec 06, 2019

    Hi SivaYenduri,

     

    I was able to find a small note in our SNAT feature article that explains this. The system will load balance connections between the SNAT pool addresses based on which members have the least connections.

     

    "Note: The BIG-IP system load balances SNAT pool connections between members using the least connections algorithm."

     

    K7820: Overview of SNAT features

    https://support.f5.com/csp/article/K7820

     

    -Nathan F