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An Ethernet interface can be configured
from the console or a virtual terminal line.
Each Ethernet interface must have an IP
address and subnet mask if the interface is expected to route IP
packets.
To configure an Ethernet interface
follow these steps:
- Enter global configuration mode
- Enter interface configuration mode
- Specify the interface address and
subnet mask
- Enable the interface
By default, interfaces are turned off,
or disabled. To turn on or enable an interface, the command
no shutdown
is entered. If an interface needs to be administratively disabled for
maintenance or troubleshooting the command
shutdown
is used to turn off the interface.
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Lab Activity
Lab Exercise: Configuring an Ethernet Interface
This lab is to configure an Ethernet
interface on the router with an IP address and a subnet mask.
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Lab Activity
e-Lab Activity: Configuring an Ethernet Interface
In this lab, the students will configure an Ethernet
interface on the router.
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Web Links