Cisco WLC 5700 Series Installation manual

Layer 2/3 Command Reference, Cisco IOS XE Release 3E (Cisco WLC
5700 Series)
First Published: June 16, 2014
Last Modified: 0,
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Text Part Number: OL-32323-01

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CONTENTS
Preface Preface v
Document Conventions v
Related Documentation vii
Obtaining Documentation and Submitting a Service Request vii
CHAPTER 1 Using the Command-Line Interface 1
Using the Command-Line Interface 1
Understanding Command Modes 1
Understanding the Help System 3
Understanding Abbreviated Commands 4
Understanding no and default Forms of Commands 4
Understanding CLI Error Messages 4
Using Configuration Logging 5
Using Command History 5
Changing the Command History Buffer Size 5
Recalling Commands 5
Disabling the Command History Feature 6
Using Editing Features 6
Enabling and Disabling Editing Features 6
Editing Commands through Keystrokes 7
Editing Command Lines that Wrap 9
Searching and Filtering Output of show and more Commands 9
Accessing the CLI 10
Accessing the CLI through a Console Connection or through Telnet 10
CHAPTER 2 Layer 2/3 Commands 11
channel-group 13
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channel-protocol 16
clear lacp 18
clear pagp 19
debug etherchannel 20
debug lacp 22
debug pagp 23
debug platform pm 25
debug platform udld 26
interface port-channel 27
lacp max-bundle 29
lacp port-priority 30
lacp system-priority 32
pagp learn-method 34
pagp port-priority 36
port-channel load-balance 38
port-channel load-balance extended 40
port-channel min-links 42
show etherchannel 44
show lacp 47
show pagp 52
show platform etherchannel 54
show platform pm 55
show udld 56
switchport 60
switchport access vlan 62
switchport mode 63
switchport nonegotiate 66
udld 68
udld port 70
udld reset 72
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Contents

Preface
•Document Conventions, page v
•Related Documentation, page vii
•Obtaining Documentation and Submitting a Service Request, page vii
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 3E (Cisco WLC 5700 Series)
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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
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Preface
Document Conventions

Related Documentation
Before installing or upgrading the controller, refer to the controller release notes.Note
•Cisco Validated Designs documents, located at:
http://www.cisco.com/go/designzone
•Error Message Decoder, located at:
https://www.cisco.com/cgi-bin/Support/Errordecoder/index.cgi
Obtaining Documentation and Submitting a Service Request
For information on obtaining documentation, submitting a service request, and gathering additional information,
see the monthly What's New in Cisco Product Documentation, which also lists all new and revised Cisco
technical documentation, at:
http://www.cisco.com/c/en/us/td/docs/general/whatsnew/whatsnew.html
Subscribe to the What's New in Cisco Product Documentation as a Really Simple Syndication (RSS) feed
and set content to be delivered directly to your desktop using a reader application. The RSS feeds are a free
service and Cisco currently supports RSS version 2.0.
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Preface
Related Documentation

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Preface
Obtaining Documentation and Submitting a Service Request

Using the Command-Line Interface
This chapter contains the following topics:
•Using the Command-Line Interface, page 1
Using the Command-Line Interface
This chapter describes the Cisco IOS command-line interface (CLI) and how to use it to configure your switch.
Understanding 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.
When you start a session on the switch, 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. The examples in the table use the hostname Switch.
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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 with
your switch.
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.
Controller#
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.
Controller(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.
Controller(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.
To exit to global
configuration mode,
enter exit.
To return to
privileged EXEC
mode, press Ctrl-Z
or enter end.
Controller(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
Understanding Command Modes