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Cisco Bug: CSCsg35508 - Telnet sessions timed out but can not be cleared

Last Modified

May 10, 2019

Products (1)

  • Cisco IOS

Known Affected Releases


Description (partial)


VTY sessions timeout and go idle but do not clear entirely.  When in this state the VTY sessions will not clear.  

show tcp brief     provides a null output

show user           displays the idle sessions

show tcp vty <line#>    provides a null output

clear tcp tcb *      did not clear the sessions

clear line vty <line#>
[confirm] [OK]        did not clear the line as it still displayed in 'show user'


Normal operations.  Router was up over 30 weeks when the problem manifest.
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