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Cisco Bug: CSCvu01181 - ISE 2.6 : TacacsConnectionManager needs to be enhanced to remove the stale connections

Last Modified

Sep 15, 2020

Products (1)

  • Cisco Identity Services Engine

Known Affected Releases

2.6(0.905)

Description (partial)

Symptom:
High Authentication latency might be experienced due to TACACS connection Manager closing connections after 4 minutes. We see the below in the logs,

TacacsConnectionManager,2020-04-03 18:05:54,222,DEBUG,0x7fd08a6a9700,NIL-CONTEXT,readData::Socket is 1927 closed,TacacsConnectionManager.cpp:363
TacacsConnectionManager,2020-04-03 18:05:54,222,DEBUG,0x7fd08a6a9700,NIL-CONTEXT,removeConnection::Called for connection 391557,TacacsConnectionManager.cpp:156
TacacsConnectionManager,2020-04-03 18:05:54,222,DEBUG,0x7fd08a6a9700,NIL-CONTEXT,removeConnection::Schedule the timeout again for connection 391557 for socket 1927 since its getNumOfPendingResponse is 1.,TacacsConnectionManager.cpp:222
TacacsConnectionManager,2020-04-03 18:05:54,222,DEBUG,0x7fd08a6a9700,NIL-CONTEXT,scheduleTimeout::Connection 391557 for socket 1927 schedule for CONN timeout 600 timerID 74,TacacsConnectionManager.cpp:242
TacacsConnectionManager,2020-04-03 18:09:33,105,INFO ,0x7fd08a6a9700,NIL-CONTEXT,removeConnection::Connection 391557 removed for socket 1927, connection size is 545.,TacacsConnectionManager.cpp:207

Conditions:
ISE 2.6 with TACACS enabled
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