Note: Command abbreviations are used for the configuration of Gigabit Ethernet 0/1. In Figure 2, practice configuring a LAN interface. If the interface connects to an ISP or service carrier, it is helpful to enter the third party connection and contact information.įigure 1 shows the configuration of the LAN interfaces connected to R1. Acoustica Mixcraft 4 Key Download Iso Full Version Serial Being Cyrus Bluray Watch Online Hd Subtitles. On production networks, a description can be helpful in troubleshooting by providing information about the type of network that the interface is connected to and if there are any other routers on that network. The description text is limited to 240 characters. The interface must also be connected to another device (a hub, a switch, or another router) for the physical layer to be active.Īlthough not required, it is good practice to configure a description on each interface to help document the network information.

This is similar to powering on the interface. The interface must be activated using the no shutdown command.

Activate the interface - By default, LAN and WAN interfaces are not activated.

IPv4 address and subnet mask - Configures the IP address and subnet mask using the ip address subnet-mask interface configuration command.

To enable a router interface, configure the following:

In this example, the Cisco 1941 router is equipped with two Gigabit Ethernet interfaces and a serial WAN interface card (WIC) consisting of two interfaces the interfaces are named as follows: There are many different types of interfaces available on Cisco routers. Therefore, to enable a specific interface, enter interface configuration mode using the interface type-and-number global configuration mode command. For routers to be reachable, router interfaces must be configured.

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