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Diameter Signaling Router (DSR): New Connection To Peer Fails To Come Up-Resets/Aborts After CER/CEA (Doc ID 2783339.1)

Last updated on FEBRUARY 03, 2025

Applies to:

Oracle Communications Diameter Signaling Router (DSR) - Version DSR 8.0.0 and later
Information in this document applies to any platform.

Symptoms

Attempting to bring up a new Diameter connection to a remote peer
Connection fails to establish.
Protocol trace shows
 - Transport handshake successful [TCP- SYN/SYN_ACK/ACK or SCTP- INIT/INIT_ACK/COOKIE_ECHO/COOKIE_ACK]
 - SCTP ABORT or TCP RESET seen immediately after either CER or CEA is received from peer node.

In the Alarm & Event History spanning connection establishment, can see INFO event 8000 EvFsmException against the [instance] connection name.  GN_INFO/INF will indicate 'Peer failed capabilities exchange' and provide the connection ID# as well as reason text.

 

Changes

This is a new connection.

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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