Diameter Signaling Router (DSR): Dsr Sending Abort Message To Peer Node

Asset ID:	1-72-2402769.1
Update Date:	2018-05-29
Keywords:

Solution Type Problem Resolution Sure

Solution 2402769.1 : Diameter Signaling Router (DSR): Dsr Sending Abort Message To Peer Node

Applies to:

Oracle Communications Diameter Signaling Router (DSR) - Version DSR 7.0.1 and later
Tekelec

Symptoms

Customer observing that DSR is sending Abort messages to the peer node.

Changes

Cause

Once the Diameter connection is established (CER/CEA), DSR starts sending DWR message during periods of low/no Diameter traffic at regular interval (Proving Timer=500ms) and after 3 consecutive DWR (Proving Times=3) gets unattended by peer node, DSR assume that the Peer node is down and it terminates the connection by sending the SCTP ABORT message.

EVENT_NUMBER: 22304
SEVERITY: INFO
PROCESS: dsr
TYPE: DIAM
INSTANCE: <Connection Name>
NAME: Connection Unavailable: Proving Failure
DESCRIPTION: Connection closed after DWR/DWA based proving algorithm failure
ERR_INFO:

Solution

Check why Peer node is not responding with DWA within Proving Timer.

Remote end may need to modify Diameter Watchdog parameter in accordance with DSR configuration.

References

<NOTE:2390007.1> - The DSR Action in Proving Mode

Attachments

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