[c-nsp] Loss of Telnet Capability - RESOLVED

[Tejal Shah]

Can anyone explain why people across the world face this issue on that day
only ?

Is there any bug or attack ?


Regards
Tejal
----- Original Message ----- 
From: "Oliver Boehmer (oboehmer)" <oboehmer at cisco.com>
To: "Dinesh" <dineshtj at spymac.com>; "Richard J. Sears" <rsears at adnc.com>;
<cisco-nsp at puck.nether.net>
Sent: Thursday, July 29, 2004 3:34 PM
Subject: RE: [c-nsp] Loss of Telnet Capability - RESOLVED


> Dinesh <> wrote on Thursday, July 29, 2004 11:31 AM:
>
> > We also faced the same problem today and the same is resolved after
> > clear the user by using the clear tcp line vty ** command.
> >
> >  Can anyone brief me what is TCB address.
>
> TCB (transmission control block) is in internal IOS data structure to
> manage TCP connections..
>
> oli
>
> > ----- Original Message -----
> > From: "Richard J. Sears" <rsears at adnc.com>
> > To: <cisco-nsp at puck.nether.net>
> > Sent: Thursday, July 29, 2004 1:48 AM
> > Subject: [c-nsp] Loss of Telnet Capability - RESOLVED
> >
> >
> >> Thanks to everyone who provided suggestions. The problem has been
> >> resolved.
> >>
> >> There was a telnet connection on vty 2 that I was unable to clear.
> >> Thanks to Laris Benkis <laris at tpn.cc> who reminded me of the sho tcp
> >> brief command, I was able to locate the tcb number of the established
> >> session (which was really no longer connected) and nuke it with a
> >> clear tcp tcb # command.
> >>
> >> As soon as I did that, telnet was immediately restored to the router.
> >>
> >> Thanks again for everyone's suggestions and help.
> >>
> >> ******************************************
> >> Richard J. Sears
> >> Vice President
> >> American Digital Network
> >> ----------------------------------------------------
> >> rsears at adnc.com
> >> http://www.adnc.com
> >> ---------------------------------------------------- 858.576.4272 -
> >> Phone 858.427.2401 - Fax
> >> INOC-DBA - 6130
> >> ----------------------------------------------------
> >>
> >> I fly because it releases my mind
> >> from the tyranny of petty things . .
> >>
> >>
> >> "Work like you don't need the money, love like you've
> >> never been hurt and dance like you do when nobody's
> >> watching."
> >>
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> >
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