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When two routers are connected to communicate using a serial cable connection, one end of the router will be using DTE (Data Terminal Equipment) and the other end uses DCE (Data Communication Equipment). In order to communicate effectively with out any delay or to have the same band width, we use 64000 clock rate.

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Q: Why use a clock rate of 64000 for serial interfaces?
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How to clock rate 6400 to cisco packet tracer?

in global configuration mode type this clock rate 64000 and hit enter


Why do you need to set the clock rate on some interfaces and do not need to set the clock rate on other interfaces?

Clock rate must be set on an interface that is the DCE. This provides clocking for the DTE and helps with data transmission across the connection.


What is Clock rate in router?

Data Generating Capability of a Device is called Clock Rate. If the clock rate is high, the processing will be slow down. If the clock rate is low, the processing will be high.


Why set clock rate in router?

To configure the clock rate for the hardware connections on serial interfaces such as network interface modules (NIMs) and interface processors to an acceptable bit rate, use the clock rate interface configuration command. Use the no form of this command to remove the clock rate if you change the interface from a DCE to a DTE device. Using the no form of this command on a DCE interface sets the clock rate to the hardware-dependent default value.


What does clock rate do on packet tracer?

A clock-rate is the speed at which the Serial connection sends data to another router and each connection must match the others clock-speed or a speed mismatch error will occur. For packet tracer, the clock-rate has no effect.


When must a router serial interface be configured with the clock rate command?

When the interface is functioning as a DCE device


What is the result of using the clock rate 56000 command at the serial interface of the router?

The interface is configured as a DCE device.


When do you need to configure a clock rate on a router interface?

When it needs to provide clocking for the serial line. This occurs when you are using a null-modem cable in a lab. You would apply the clock rate to the router that is connected as the DCE device.


What commands are used to configure a serial interface for the DCE?

interface serial x/x ip address x.x.x.x x.x.x.x no shut clock rate xxxxxxx end


Which command must be entered when connecting two routers without external DCE devices via a serial link?

Clock rate.


Why clock frequency of 6.14 mhz is used in 8085 microprocessor?

Because it is the top operating speed for that IC


What command is used to set data speed on a router's serial port to 56 kbps?

The command is: clock rate 56000 So it will appear on the command line interface as: Router(config-if)# clock rate 56000 Reference: Networking by Jeffrey Beasley Chapter 6 page 216.