Cisco Catalyst 3650 Manuel d'installation

Layer 2/3 Command Reference, Cisco IOS XE Release 3.6E (Catalyst

3650 Switch)

First Published: June 27, 2014

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Fax: 408 527-0883

Text Part Number: OL-32639-01

CONTENTS

CHAPTER 1

Preface 1

Document Conventions 1

Related Documentation 3

Obtaining Documentation and Submitting a Service Request 3

CHAPTER 2

Using the Command-Line Interface 5

Information About Using the Command-Line Interface 5

Command Modes 5

Understanding Abbreviated Commands 7

No and Default Forms of Commands 7

CLI Error Messages 8

Configuration Logging 8

Using the Help System 8

How to Use the CLI to Configure Features 10

Configuring the Command History 10

Changing the Command History Buffer Size 10

Recalling Commands 10

Disabling the Command History Feature 11

Enabling and Disabling Editing Features 11

Editing Commands Through Keystrokes 13

Editing Command Lines That Wrap 14

Searching and Filtering Output of show and more Commands 15

Accessing the CLI on a Switch Stack 16

Accessing the CLI Through a Console Connection or Through Telnet 16

CHAPTER 3

Layer 2/3 Commands 17

channel-group 19

channel-protocol 22

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clear lacp 24

clear pagp 25

clear spanning-tree counters 26

clear spanning-tree detected-protocols 27

debug etherchannel 29

debug lacp 31

debug pagp 32

debug platform pm 34

debug platform udld 36

debug spanning-tree 37

interface port-channel 39

lacp max-bundle 41

lacp port-priority 42

lacp system-priority 44

pagp learn-method 46

pagp port-priority 48

port-channel load-balance 50

port-channel load-balance extended 52

port-channel min-links 54

show etherchannel 56

show lacp 59

show pagp 64

show platform etherchannel 66

show platform pm 67

show udld 68

switchport 72

switchport access vlan 74

switchport mode 75

switchport nonegotiate 78

udld 80

udld port 82

udld reset 84

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iv OL-32639-01

Contents

Preface

•Document Conventions, page 1

•Related Documentation, page 3

•Obtaining Documentation and Submitting a Service Request, page 3

Document Conventions

This document uses the following conventions:

DescriptionConvention

Both the ^symbol and Ctrl represent the Control (Ctrl) key on a keyboard. For

example, the key combination ^D or Ctrl-D means that you hold down the Control

key while you press the D key. (Keys are indicated in capital letters but are not

case sensitive.)

^ or Ctrl

Commands and keywords and user-entered text appear in bold font.bold font

Document titles, new or emphasized terms, and arguments for which you supply

values are in italic font.

Italic font

Terminal sessions and information the system displays appear in courier font.Courier font

Bold Courier font indicates text that the user must enter.Bold Courier font

Elements in square brackets are optional.[x]

An ellipsis (three consecutive nonbolded periods without spaces) after a syntax

element indicates that the element can be repeated.

...

A vertical line, called a pipe, indicates a choice within a set of keywords or

arguments.

Optional alternative keywords are grouped in brackets and separated by vertical

bars.

[x | y]

Layer 2/3 Command Reference, Cisco IOS XE Release 3.6E (Catalyst 3650 Switch)

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DescriptionConvention

Required alternative keywords are grouped in braces and separated by vertical

bars.

{x | y}

Nested set of square brackets or braces indicate optional or required choices

within optional or required elements. Braces and a vertical bar within square

brackets indicate a required choice within an optional element.

[x {y | z}]

A nonquoted set of characters. Do not use quotation marks around the string or

the string will include the quotation marks.

string

Nonprinting characters such as passwords are in angle brackets.< >

Default responses to system prompts are in square brackets.[ ]

An exclamation point (!) or a pound sign (#) at the beginning of a line of code

indicates a comment line.

!, #

Reader Alert Conventions

This document may use the following conventions for reader alerts:

Means reader take note. Notes contain helpful suggestions or references to material not covered in the

manual.

Note

Means the following information will help you solve a problem.

Tip

Means reader be careful. In this situation, you might do something that could result in equipment damage

or loss of data.

Caution

Means the described action saves time. You can save time by performing the action described in the

paragraph.

Timesaver

IMPORTANT SAFETY INSTRUCTIONS

This warning symbol means danger. You are in a situation that could cause bodily injury. Before you

work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with

standard practices for preventing accidents. Use the statement number provided at the end of each warning

to locate its translation in the translated safety warnings that accompanied this device. Statement 1071

SAVE THESE INSTRUCTIONS

Warning

Layer 2/3 Command Reference, Cisco IOS XE Release 3.6E (Catalyst 3650 Switch)

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Preface

Document Conventions

Related Documentation

Layer 2/3 Command Reference, Cisco IOS XE Release 3.6E (Catalyst 3650 Switch)

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Preface

Obtaining Documentation and Submitting a Service Request

Using the Command-Line Interface

•Information About Using the Command-Line Interface, page 5

•How to Use the CLI to Configure Features, page 10

Information About Using the Command-Line Interface

Command Modes

The Cisco IOS user interface is divided into many different modes. The commands available to you depend

on which mode you are currently in. Enter a question mark (?) at the system prompt to obtain a list of commands

available for each command mode.

You can start a CLI session through a console connection, through Telnet, a SSH, or by using the browser.

When you start a session, you begin in user mode, often called user EXEC mode. Only a limited subset of

the commands are available in user EXEC mode. For example, most of the user EXEC commands are one-time

commands, such as show commands, which show the current configuration status, and clear commands,

which clear counters or interfaces. The user EXEC commands are not saved when the switch reboots.

To have access to all commands, you must enter privileged EXEC mode. Normally, you must enter a password

to enter privileged EXEC mode. From this mode, you can enter any privileged EXEC command or enter

global configuration mode.

Using the configuration modes (global, interface, and line), you can make changes to the running configuration.

If you save the configuration, these commands are stored and used when the switch reboots. To access the

various configuration modes, you must start at global configuration mode. From global configuration mode,

you can enter interface configuration mode and line configuration mode.

This table describes the main command modes, how to access each one, the prompt you see in that mode, and

how to exit the mode.

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Table 1: Command Mode Summary

About This ModeExit MethodPromptAccess MethodMode

Use this mode to

•Change

terminal

settings.

•Perform basic

tests.

•Display system

information.

Enter logout or

quit.

Switch>

Begin a session

using Telnet, SSH,

or console.

User EXEC

Use this mode to

verify commands

that you have

entered. Use a

password to protect

access to this mode.

Enter disable

to exit.

Switch#

While in user

EXEC mode, enter

the enable

command.

Privileged EXEC

Use this mode to

configure parameters

that apply to the

entire switch.

To exit to

privileged

EXEC mode,

enter exit or

end, or press

Ctrl-Z.

Switch(config)#

While in privileged

EXEC mode, enter

the configure

command.

Global

configuration

Use this mode to

configure VLAN

parameters. When

VTP mode is

transparent, you can

create

extended-range

VLANs (VLAN IDs

greater than 1005)

and save

configurations in the

switch startup

configuration file.

To exit to

global

configuration

mode, enter the

exit command.

To return to

privileged

EXEC mode,

press Ctrl-Z or

enter end.

Switch(config-vlan)#

While in global

configuration

mode, enter the

vlan vlan-id

command.

VLAN

configuration

Use this mode to

configure parameters

for the Ethernet

ports.

Switch(config-if)#

While in global

configuration

mode, enter the

interface command

(with a specific

interface).

Interface

configuration

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Using the Command-Line Interface

Command Modes

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