The 56 or 64 is bandwidth clock rate is something different and is not
expressed in kilobytes. A good one to use is 500000 for a lab environment.
Here is how you set up a dce on a serial interface.
Duck
% Password:  timeout expired!
Password:
Password:
c2600>en
Password:
c2600#conf
Configuring from terminal, memory, or network [terminal]?
Enter configuration commands, one per line.  End with CNTL/Z.
c2600(config)#int s0/0
c2600(config-if)#ip addre 10.1.1.1 255.255.255.0
10.1.1.0 overlaps with Ethernet0/0
c2600(config-if)#ip addre 10.2.1.1 255.255.255.0
c2600(config-if)#clock
c2600(config-if)#clock r
c2600(config-if)#clock rate ?
        Speed (bits per second)
  1200
  2400
  4800
  9600
  14400
  19200
  28800
  32000
  38400
  56000
  57600
  64000
  72000
  115200
  125000
  128000
  148000
  500000
  800000
  1000000
  1300000
  2000000
  4000000
  8000000

  <300-4000000>    Choose clockrate from list above

c2600(config-if)#clock rate 500000
c2600(config-if)#ba
c2600(config-if)#ban
c2600(config-if)#bandwidth ?
  <1-10000000>  Bandwidth in kilobits

c2600(config-if)#bandwidth 56
c2600(config-if)#no sh
----- Original Message -----
From: Howard C. Berkowitz <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, August 02, 2000 8:29 AM
Subject: Re: Clock Rate


> >How does one know the proper clock rate to set on a DCE interface.
> >I understand
> >that in real world apps, this would be provided by the
> >Telco....but....in a lab situation,
> >or any other for that matter that requires to routers to be linked
> >through their serial interfaces,
> >what is the best way to determine the proper clock rate?
> >
> >Thanks,
> Roman
>
>
> Well, in the Cisco training labs, we generally used 56 or 64 Kbps.  A
> conservative speed that was gentle on cable requirements.
>
> In a lab, you'll frequently find that slower is better, if, for
> example, you are running a debug and want to see events.
>
> ___________________________________
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