19405 - Transport closed due to lack of response

Event Type:

TMF

Description:

Transport closed due to lack of response

Severity:

Info

Instance:

<TransportName>

HA Score:

Normal

Throttle Seconds:

10

OID:

awptransmgrTransportClosedDueToLackOfResponseNotify

Recovery:

1. The adjacent node at the specified IP address and port failed to respond to attempts to deliver an SCTP DATA packet or SCTP heartbeat. If an SCTP Initiator, the transport is closed and the MP server automatically attempts to reestablish the connection. Connection attempts occur every Connection Retry Interval seconds, as defined in the Transport Configuration Set screen for the configuration set used by the failed transport (default: 10 seconds). If a Listener, the MP server will only open the socket and await further messages from the far-end.
   To troubleshoot:

   • Verify IP network connectivity still exists between the MP server and the adjacent server.
   • Verify the timers in the transport's configuration set are not set too short to allow the signaling to succeed. This should be rare if the IP network is functioning correctly.
   • Check the event history logs at Alarms & Events > View History for additional SS7 events or alarms from this MP server.
   • Verify the adjacent server on the Signaling Gateway is not under maintenance.
2. If the alarm persists, it is recommended to contact My Oracle Support.