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Configuring LAN Interfaces

Configuring an Ethernet or Fast Ethernet Interface

IC-26

Cisco IOS Interface Configuration Guide

Specifying Full-Duplex Operation

The default is half-duplex mode on the FEIP2-DSW-2FX. To enable full-duplex mode on the

FEIP2-DSW-2FX (for a maximum aggregate bandwidth of 200 Mbps), use either of the following

commands in interface configuration mode:

For an example to enable full-duplex mode on Fast Ethernet, see the “Full Duplex Enablement Operation

Example” section.

Caution To prevent system problems, do not configure both FEIP2-DSW-2FX interfaces for

full-duplex operation at the same time.

Note The FEIP2-DSW-2TX supports half-duplex only and should not be configured for

full-duplex.

Specifying the Media and Connector Type

You can specify that the Ethernet network interface module (NIM) on the Cisco 4000 series routers use

either the default of an AUI and a 15-pin connector, or 10BASE-T and an RJ-45 connector. To do so, use

one of the following commands in interface configuration mode:

The default media connector type is an RJ-45 or SC (fiber-optic) connector. You can specify that the

interface uses either an MII connector, or an RJ-45 or SC (fiber-optic) connector (this is the default). To

do so, use one of the following commands in interface configuration mode:

Note When using the I/O controller that is equipped with an MII receptacle and an RJ-45

receptacle, only one receptacle can be configured for use at a time.

Command Purpose

full-duplex

no half-duplex

Enables full-duplex on the Fast Ethernet interface of the FEIP2-DSW-2FX.

Command Purpose

media-type aui

Selects a 15-pin Ethernet connector.

media-type 10baset

Selects an RJ-45 Ethernet connector.

Command Purpose

media-type mii

Selects an MII Ethernet connector.

media-type 100basex

Selects an RJ-45 Ethernet connector for the FEIP2-DSW-2TX or an SC

connector for the FEIP2-DSW-2FX.

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Cisco Systems IC-23 Manual de usuario Pagina 4