[ale] reset the serial link on kermit on RHL 9
Jerry Yu
jjj863 at gmail.com
Fri Oct 6 15:05:27 EDT 2006
tried 'close' that a few times and even exiting Kermit with "OK to exit?
yes Closing /dev/ttyS1...OK".
the same kermit still works through ttyS0 to a different device.
I guess the next thing I'll try is to have the co-lo tech to switch ttyS0
in, so I can see whether the console port on the switch itself is to blame.
On 10/6/06, Christopher Fowler <cfowler at outpostsentinel.com> wrote:
>
> On Fri, 2006-10-06 at 13:20 -0400, Jerry Yu wrote:
> > We have a serial link to a Catalyst 2900XL from a built-in serial port
> > (ttyS1) on a Dell PE2450 running RHL9. I used kermit to configue the
> > switch successfully in the past ( 5 months ago, I believe). Now I saw
> > no response from a kermit session, though input wasn't rejected
> > either. The kermit session behaves like the serial link is active:
> > open/close port commands succeeded promptly and no 'sense-carrier off'
> > prompt either.
> > The switch itself hums along just fine and is our production switch at
> > a co-lo. Any way I can somehow 'clear' or 'reset the serial
> > connection', w/o risking upsetting the switch itself?
>
> Just close the port and reopen it. That will drop DTR.
>
> >
> >
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