Enlightened Data Transport (EDT) is enabled by default in a new Citrix Virtual Apps and Desktops site. A Citrix Administrator has edited the default behavior to set the Adaptive Transport Mode…

The correct answer is B. TCP 2598 C. UDP 1494. When HDX Adaptive Transport is set to Diagnostic mode, the session uses only the preferred EDT protocol over UDP and does not fall back to TCP. EDT runs over UDP 1494 for ICA traffic and UDP 2598 for the Citrix Generic Protocol (CGP)/Session Reliability channel: UDP 1494…

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Question

Enlightened Data Transport (EDT) is enabled by default in a new Citrix Virtual Apps and Desktops site. A Citrix Administrator has edited the default behavior to set the Adaptive Transport Mode policy to "Diagnostic mode." Which ports will be used for communications between the Citrix Workspace App and the Virtual Delivery Agent resource? (Choose two.)

Options

ATCP 80
BTCP 2598
CUDP 1494
DTCP 1494

How the community answered

(14 responses)

A
7% (1)
B
79% (11)
D
14% (2)

Explanation

When HDX Adaptive Transport is set to Diagnostic mode, the session uses only the preferred EDT protocol over UDP and does not fall back to TCP. EDT runs over UDP 1494 for ICA traffic and UDP 2598 for the Citrix Generic Protocol (CGP)/Session Reliability channel: UDP 1494 carries the main HDX/ICA data over EDT. UDP 2598 carries CGP/session-reliability traffic over EDT. Although Session Reliability normally uses TCP port 2598 when EDT is off or as a fallback, in Diagnostic mode EDT encapsulates both ICA and CGP over UDP only, so TCP 2598 (option B) is not used in this mode.

Topics

#EDT#Adaptive Transport#diagnostic mode#port 2598 UDP 1494

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