Cisco Systems WSC2960X48TDL Uživatelský manuál stáhnout pdf (Strana 53)

CHAPTER 3

Configuring Auto-MDIX

This module contains the following sections:

•

Prerequisites for Auto-MDIX, page 41

•

Restrictions for Auto-MDIX, page 41

•

Information about Configuring Auto-MDIX, page 42

•

How to Configure Auto-MDIX, page 42

•

Monitoring Auto-MDIX, page 43

•

Example for Configuring Auto-MDIX, page 44

Prerequisites for Auto-MDIX

Automatic medium-dependent interface crossover (auto-MDIX) is enabled by default. When you enable

auto-MDIX, you must also set the interface speed and duplex to auto so that the feature operates correctly.

Auto-MDIX is supported on all 10/100/1000-Mb/s and on 10/100/1000BASE-TX small form-factor pluggable

(SFP)-module interfaces. It is not supported on 1000BASE-SX or -LX SFP module interfaces.

Restrictions for Auto-MDIX

The switch might not support a pre-standard powered device—such as Cisco IP phones and access points that

do not fully support IEEE 802.3af—if that powered device is connected to the switch through a crossover

cable. This is regardless of whether auto-MIDX is enabled on the switch port.

Catalyst 2960-X Switch Interface and Hardware Component Configuration Guide, Cisco IOS Release 15.0(2)EX

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Cisco Systems WSC2960X48TDL Uživatelský manuál Strana 53