Understanding Interface Types - Cisco Catalyst 3120 Software Manual

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Configuring Interface Characteristics

This chapter defines the types of interfaces on the switch and describes how to configure them. Unless

otherwise noted, the term switch refers to a standalone switch and to a switch stack.

The chapter consists of these sections:

For complete syntax and usage information for the commands used in this chapter, see the switch

command reference for this release and the online Cisco IOS Interface Command Reference,

Release 12.2.

Understanding Interface Types

This section describes the different types of interfaces supported by the switch with references to

chapters that contain more detailed information about configuring these interface types. The rest of the

chapter describes configuration procedures for physical interface characteristics.

You cannot use these switch ports:

These sections describe the interface types:

Understanding Interface Types, page 10-1

Using Interface Configuration Mode, page 10-7

Using the Internal Ethernet Management Port, page 10-12

Configuring Ethernet Interfaces, page 10-15

Configuring Layer 3 Interfaces, page 10-21

Configuring the System MTU, page 10-23

Monitoring and Maintaining the Interfaces, page 10-25

In a switch stack, the internal cross-connect 1000 Mb/s ports are disabled.

The stack ports on the front of the switch are not Ethernet ports.

Port-Based VLANs, page 10-2

Switch Ports, page 10-2

Routed Ports, page 10-4

C H A P T E R

Cisco Catalyst Blade Switch 3120 for HP Software Configuration Guide

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