FTP timeout : sticky connection issue ?

  • Hey everyone,
    We put in prod firewall pfsense with 2 WAN. = WAN1 = WAN2
    Sticky connection is enabled.
    Gateway group failover and loadbalancing works like a charm.
    But some users complain timeout when download multiple files from FTP server on WAN.
    I pfTop while downloading a dozen tiny files from one FTP server and I notice that : each time I have a time out, SRC changed. (last line)
    I tried conservative mode + 3600s tracking source timeout but no luck.
    When I download one big file from this FTP server, I got no prob.
    Thanks for your help

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