CertExams.com Simulator Lab Exercises Answers

Setting Bandwidth on an Interface

Console Based  |  GUI Based 

Console Based :

Description: Bandwidth refers to the rate at which data is transferred over the communication link. You setup the bandwidth on a given interface (interface serial 0/0) to a specified value (64 kbps). You also set the clockrate to 64000. Note that bandwidth is represented in kbps whereas clock rate is entered in bps.

Syntax: bandwidth (interface): 

The command bandwidth <kilobits> will set and communicate the bandwidth value for an interface to higher-level protocols.

ex: bandwidth 64 will set the bandwidth to 64 kbps. Use no form of the command to set the bandwidth to default value.


1. Enter to serial 0/0 mode of router R1

2. Set bandwidth of serial 0/0 as 64 kbps

3. Set clockrate as 64000 bps

R1#configure terminal
R1(config)#interface serial 0/0
R1(config-if)#bandwidth 64
R1(config-if)#clock rate 64000
R1#show interface s 0/0
R1#show interfaces

GUI Based : Instructions:
1. Select device R1 from Select device drop-down box. Click Configure button, this enables left navigation pane.

2. In the left navigation pane Click Interface Management > Interface and Connections 

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3. This displays Interface and Connections screen. Click Edit Interface Connection tab. Select the interface S0/0 from the Interface List and click Edit button.

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4. Interface feature Edit dialog appears enter bandwidth as 64 and Clock rate 64000 for an interface and click OK button.

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5. To display show command click View > IOS show commands from left navigation pane

6. Select “show interfaces serial” from show command drop down box you will be prompted with port number , enter the port number 0/0 and click show button.

7. Select “show interfaces” from show command drop down box and click show button. “show interfaces serial 0/0” command output screenshot is shown below

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