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Slow reconnect when EDT is enabled





I have a new Xenapp installation :

  • 2x Windows Server 2019 VDA, Citrix Virtual Apps 2109
  • 1x Netscaler ADC 13.1


My users are working with 4G tablets, and are moving frequently. They experience many disconnections due to 4G roaming, wifi switching, ip change, ...


When EDT is enabled, reconnection takes 40 seconds. When EDT is disabled, reconnection is nearly instantaneous.


How can i reduce reconnection delay with EDT enabled ?




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Hello Patrice,


not sure if there's a faster possibility, I'm having the same measurements, ~1-3 seconds via TCP and ~30 seconds via UDP. Same when doing firmware update on HA ADC and primary node is doing failover. I think it also depends on the used MTU of the 4G / LTE roaming, see https://blog.sachathomet.ch/2020/06/04/citrix-cvad-und-mtu-discovery/ for some details.




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