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Cisco Bug: CSCvv51040 - TCL scripts never release VTY Lines.

Last Modified

Sep 03, 2020

Products (1)

  • Cisco IOS

Known Affected Releases

16.6.8

Description (partial)

Symptom:
TCL scripts running on the Main ISR4K router with 16.6.8 Image, is monitoring another 12 routers located in diff locations. 

Once scripts are triggered it keeps reserving vty lines and never releases it.

DIFFIE#sh users
    Line       User       Host(s)              Idle       Location
*866 vty 0     telent     idle                 00:00:00 10.120.20.76
 867 vty 1     eventmanag idle                 00:07:24 EEM:KISA_HSRP_App1.tcl
 868 vty 2     eventmanag idle                 00:07:52 EEM:KISA_HSRP_App2.tcl
 869 vty 3     eventmanag idle                 00:07:52 EEM:KISA_HSRP_App3.tcl
 870 vty 4     eventmanag idle                 00:07:06 EEM:KISA_HSRP_App1.tcl
 871 vty 5     eventmanag idle                 01:01:06 EEM:KISA_HSRP_App6.tcl

Conditions:
Using the same scripts to monitor More than 4 routers connected to the main router.
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