Chapter 7 Configuring Gigabit Ethernet Interfaces

Enabling the Interface

To configure speed and duplex operation, complete these steps in the interface configuration mode:

 

Command

Purpose

Step 1

 

 

duplex [auto half full]

Specify the duplex operation.

 

Example:

 

 

Router(config-if)# duplex auto

 

Step 2

 

 

speed [auto 1000 100]

Specify the speed.

 

Example:

 

 

Router(config-if)# speed auto

 

 

 

 

Enabling the Interface

To enable the interface, complete these steps:

Note In the following procedure, press the Return key after each step unless otherwise noted. At any time, you can exit the privileged level and return to the user level by entering disable at the Router# prompt.

 

Command

Purpose

Step 1

 

 

interface gigabitethernet slot/port

Specify the port adapter type and the location of the interface to be

 

 

configured. The slot is always 0 and the port is the number of the port.

 

Example:

 

 

Router(config)# interface

 

 

gigabitethernet 0/1

 

Step 2

 

 

no shutdown

Enable the gigabit Ethernet interface using the no shutdown command.

 

 

 

Modifying MTU Size on the Interface

Complete the following steps to modify the MTU size on Gigabit Ethernet interface:

SUMMARY STEPS

1.enable

2.configure terminal

3.interface gigabitethernet slot/port

4.mtu bytes

Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide

 

OL-23826-09

7-3

 

 

 

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Cisco Systems A9014CFD manual Enabling the Interface, Modifying MTU Size on the Interface, Mtu bytes