[ale] reset the serial link on kermit on RHL 9

[Christopher Fowler]

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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