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Cisco Bug: CSCuo98050 - TNC reloads while attempting several login/logout

Last Modified

May 13, 2020

Products (1)

  • Cisco ONS 15454 Series Multiservice Provisioning Platforms

Known Affected Releases

9.607

Description (partial)

Symptom:
TNC goes for the reload  while attempting several login/logout with specific setup where ASR9K  is connection to ONS node.

Conditions:
Steps to recreate the issue are:
1. Have a setup with one ONS node, and one ASR9K node.
2. One CTC connected to the node; SUPERUSER IDLE timeout set to 2 minutes
3. run a .bat script that open several TL1 sessions on port 3083. 
4. while the sessions are opened the following commands are run against the NE:
ACT-USER::CISCO15:aaa::otbu+1;
RTRV-NE-GEN:::aaa;
RTRV-OCH::all:aaa;
5. No logout is done and all sessions are closed for IDLE timeout expiration
After a while TNC reset with the excGetLog showing tProvMgr as cause of the reset. Based on troubleshooting it looks like a CORBA issue

Trigger has been identified as continuous login/logout of an EMS to the TL1 port 3083. A script has been prepared to allow multiple login/logout sessions and disconnection for IDLE timeout.
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