From: Greg Ferro (gferro@xxxxxxxxxxxxxxxxxxx)
Date: Mon Oct 23 2000 - 21:27:18 GMT-3
>
>The "no exec" stops the serial ports spawning an exec process on inbound
>data. For example, when you attach to the console port and press enter an
>exec process awakens/spawns and starts to accept your input. In the case
>of Cisco term server you dont want output from the router on the serial
>port that you are connected coming in on the serial port and allowing an
>EXEC process to start (which is the default). Otherwise you would have to
>clear the line before you can connect back to router wasting valuable time.
>
>The comm server is a router with 8 or 16 async serial ports. The Cisco
>provided cables for their term servers patch directly to the console ports
>in the case of units with CAB-OCTAL leads, or use Cisco rollovers when
>using units with RJ ports.
>
>The thing about term servers is you can connect to it, and then connect on
>to up to 16 devices, use the Ctrl Shift 6 x sequence to switch between
>command lines. From your email, you may not be familiar with this, and you
>have to be otherwise you won't be fast enough on the day, and I reckon
>your home lab time is not being well spent. I would say a Cisco term
>server is a compulsory part of your lab.
>
>
>
>At 08:04 AM 24/10/2000, you wrote:
>> From Cisco's Networkers 2000 CCIE prep seminar:
>>When connecting to the rack via RS@#@, an incorrect communications server
>>configuration can cost considerable time during the day.
>>
>>COMMUNICATIONS SERVER:
>>hostname RtrA
>>!
>>line 1 8
>>no exec
>>modem callout
>>transport input all
>>
>>ATTACHED ROUTER:
>>hostname RtrB
>>!
>>line con 0
>>exec-timeout 0 0
>>
>>Two quick questions:
>>1. Why "no exec" on the comm server?
>>2. Is the comm server simply a router with 8 async serial ports? What
>>sort of cable is used to connect these to the attached routers' console
>>ports (I'm assuming its a rollover rj-45 with an adapter on the comm server)?
>>Thanks,
>>Jack
>>
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