Issues with UDP Audio connecting via NetScaler Gateway.

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Article ID: CTX695445

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Updated On:

Description

When trying to establish a UDP connection for audio, client was getting the request, but was failing to send a response to the VDA to establish the channel.

 

Cause

Both DTLS 1.0 and 1.2 were enabled on the ADC

Resolution

From the ADC configuration, issue was caused by ADC having DTLS 1.0 and 1.2 enabled. Only one of these should be configured, otherwise the DTLS renegotiation will encounter issues and fail.

Issue/Introduction

UDP Audio doesn't establish a connection. UDP buffers being utilised and monitor states audio over UDP inactive.