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New Member

Not able to clear idle vty lines

Hello Guys,

Some of my cisco devices I am not able to clear idle vty lines. if I give clear line it is asking for confirmation but those lines are not getting cleared.

the IOS version is cat4000-i5k91s-mz.122-20.EW4.bin

TCP keepalive services are aliready enabled

Could somebody provide any solution

Thanks in advance

5 REPLIES

Re: Not able to clear idle vty lines

how about :

show tcp brief ?

and then clear the tcp session?

Example:

2611# show tcp brief

TCB Local Address Foreign Address (state)

81FC42B0 10.0.0.15.23 161.108.216.38.1660 ESTAB

2611#clear tcp tcb 81FC42B0

[confirm]

[OK]

New Member

Re: Not able to clear idle vty lines

It worked . The state was 'CLOSEWAIT'. why is it so..? is there any permanent solution for the same.

Thanks

Purple

Re: Not able to clear idle vty lines

You should have exec-timeout parameters set for all your vty lines that any idle lines will drop after say 15 minutes.

New Member

Re: Not able to clear idle vty lines

exec-timeout is already configured as 5 min. but still there are idle line for weeks..

Silver

Re: Not able to clear idle vty lines

This is a known bug, there are actually plenty of them so you can do the manual clear, reload or do an IOS upgrade to finally resolve this

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