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Cisco 880 Series Integrated Services Router Software Configuration Guide

Americas Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 USA http://www.cisco.com Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 527-0883

Text Part Number: OL-22206-01

THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS. THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY. The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California, Berkeley (UCB) as part of UCBs public domain version of the UNIX operating system. All rights reserved. Copyright 1981, Regents of the University of California. NOTWITHSTANDING ANY OTHER WARRANTY HEREIN, ALL DOCUMENT FILES AND SOFTWARE OF THESE SUPPLIERS ARE PROVIDED AS IS WITH ALL FAULTS. CISCO AND THE ABOVE-NAMED SUPPLIERS DISCLAIM ALL WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, THOSE OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING, USAGE, OR TRADE PRACTICE. IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT, SPECIAL, CONSEQUENTIAL, OR INCIDENTAL DAMAGES, INCLUDING, WITHOUT LIMITATION, LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE THIS MANUAL, EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. CCDE, CCENT, CCSI, Cisco Eos, Cisco HealthPresence, Cisco IronPort, the Cisco logo, Cisco Lumin, Cisco Nexus, Cisco Nurse Connect, Cisco StackPower, Cisco StadiumVision, Cisco TelePresence, Cisco Unified Computing System, Cisco WebEx, DCE, Flip Channels, Flip for Good, Flip Mino, Flip Video, Flip Video (Design), Flipshare (Design), Flip Ultra, and Welcome to the Human Network are trademarks; Changing the Way We Work, Live, Play, and Learn, Cisco Store, and Flip Gift Card are service marks; and Access Registrar, Aironet, AsyncOS, Bringing the Meeting To You, Catalyst, CCDA, CCDP, CCIE, CCIP, CCNA, CCNP, CCSP, CCVP, Cisco, the Cisco Certified Internetwork Expert logo, Cisco IOS, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Cisco Unity, Collaboration Without Limitation, EtherFast, EtherSwitch, Event Center, Fast Step, Follow Me Browsing, FormShare, GigaDrive, HomeLink, Internet Quotient, IOS, iPhone, iQuick Study, IronPort, the IronPort logo, LightStream, Linksys, MediaTone, MeetingPlace, MeetingPlace Chime Sound, MGX, Networkers, Networking Academy, Network Registrar, PCNow, PIX, PowerPanels, ProConnect, ScriptShare, SenderBase, SMARTnet, Spectrum Expert, StackWise, The Fastest Way to Increase Your Internet Quotient, TransPath, WebEx, and the WebEx logo are registered trademarks of Cisco Systems, Inc. and/or its affiliates in the United States and certain other countries. All other trademarks mentioned in this document or website are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (1005R)

Any Internet Protocol (IP) addresses used in this document are not intended to be actual addresses. Any examples, command display output, and figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses in illustrative content is unintentional and coincidental. Cisco 880 Series Integrated Services Router Software Configuration Guide 2010-2011 Cisco Systems, Inc. All rights reserved.

CONTENTSPrefacevii vii vii viii viii ix ix x

Objective Audience Conventions

Organization

Related Documentation

Searching Cisco Documents

Obtaining Documentation and Submitting a Service Request1

CHAPTER

Product Overview

1-1 1-1

General Description

Cisco 880 Series ISR 1-1 Models of the Cisco 880 Series ISRs 1-2 Common Features 1-2 4-port 10/100 FE LAN Switch 1-2 802.11b/g/n Wireless LAN 1-2 Battery-backed-up Real-Time Clock 1-2 Security Features 1-3 Licensing 1-3 Selecting Feature Sets1-3

880 SKUs for next generation Cisco 880 Series ISR platforms C881W 1-3 C886VA-W 1-4 C887VAM-W 1-4 C887VA-W 1-4 C881GW 1-5 C887GW 1-5 Memory1-5 1-6

1-3

LED Overview

Power Supply 1-8 External 12 VDC Power Supply Adapter 1-8 On board 12 VDC Power supply 1-8 Power over Ethernet Inline Power Option 1-8Cisco 880 Series Integrated Services Router Software Configuration Guide OL-22206-01

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Contents

Images Supported 1-8 c800-universalk9-mz 1-8 c800-universalk9_npe-mz 1-8 Licenses for each image: 1-8 Minimum software version needed to support AP8022

1-9

CHAPTER

Wireless Device Overview Software Modes2-1 2-2

2-1

Management Options

Network Configuration Examples 2-3 Root Access Point 2-3 Central Unit in an All-Wireless Network3

2-4

CHAPTER

Basic Router Configuration Interface Ports3-2 3-2

3-1

Default Configuration

Information Needed for Configuration Configuring Command-Line Access Example 3-6 Configuring Global Parameters3-7

3-4 3-5

Configuring WAN Interfaces 3-7 Configuring a Fast Ethernet WAN Interface 3-8 Configuring a VDSL2 WAN Interface 3-8 Configuring ADSL or VDSL on Cisco Multi Mode 886VA and 887VA ISRs Configuring ADSL Mode 3-10 Configuring ADSL Auto Mode 3-11 Configuring CPE and Peer for ADSL Mode 3-11 ADSL Configuration Example 3-12 Verifying ADSL Configuration 3-14 Verifying CPE to Peer Connection for ADSL 3-16 Configuring the Fast Ethernet LAN Interfaces Configuring the Wireless LAN Interface Configuring a Loopback Interface 3-16 Example 3-17 Verifying Configuration 3-17 Configuring Static Routes 3-18 Example 3-18 Verifying Configuration 3-19Cisco 880 Series Integrated Services Router Software Configuration Guide

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3-16

3-16

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Configuring Dynamic Routes 3-19 Configuring Routing Information Protocol 3-19 Example 3-20 Verifying Configuration 3-21 Configuring Enhanced Interior Gateway Routing Protocol Example 3-22 Verifying Configuration 3-224

3-21

CHAPTER

Basic Wireless Device Configuration

4-1 4-2

Starting a Wireless Configuration Session

Configuring Wireless Settings 4-4 Cisco Express Setup 4-4 Cisco IOS Command Line Interface 4-5 Configuring the Radio 4-5 Configuring Wireless Security Settings 4-5 Configuring Wireless Quality of Service 4-8 Configuring the Access Point in Hot Standby Mode4-9

Upgrading to Cisco Unified Software 4-9 Preparing for the Upgrade 4-9 Secure an IP Address on the Access Point 4-10 Confirm that the Mode Setting is Enabled 4-10 Performing the Upgrade 4-10 Troubleshooting an Upgrade or Reverting the AP to Autonomous Mode Upgrading AP bootloader 4-11 Downgrading the Software on the Access Point 4-11 Recovering Software on the Access Point 4-12 Related Documentation54-12

4-11

CHAPTER

Configuring Radio Settings Enabling the Radio Interface

5-1 5-2 5-2

Configuring the Role in the Radio Network Radio Tracking 5-5 Fast Ethernet Tracking 5-5 MAC-Address Tracking 5-5 Configuring Radio Data Rates Configuring MCS Rates5-9 5-5

Configuring Radio Transmit Power 5-10 Limiting the Power Level for Associated Client Devices

5-11

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Configuring Radio Channel Settings 5-12 802.11n Channel Widths 5-13 Enabling and Disabling World Mode5-14 5-15 5-16 5-17 5-18

Disabling and Enabling Short Radio Preambles Configuring Transmit and Receive Antennas Disabling and Enabling Aironet Extensions

Configuring the Ethernet Encapsulation Transformation Method Enabling and Disabling Public Secure Packet Forwarding Configuring Protected Ports 5-20 Configuring the Beacon Period and the DTIM Configure RTS Threshold and Retries Configuring the Maximum Data Retries Configuring the Fragmentation Threshold Performing a Carrier Busy Test Configuring VoIP Packet Handling5-24 5-25 5-22 5-23 5-23 5-24 5-21 5-19

Enabling Short Slot Time for 802.11g Radios

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PrefaceThis preface describes the objectives, audience, organization, and conventions used in this guide, and describes related documents that have additional information. It contains the following sections:

Objective, page vii Audience, page vii Organization, page viii Conventions, page viii Related Documentation, page ix Searching Cisco Documents, page ix Obtaining Documentation and Submitting a Service Request, page x

ObjectiveThis guide provides an overview and explains how to configure the various features for the Cisco 880 series Integrated Services Router (ISR). Some information may not apply to your particular router model. For warranty, service, and support information, see the Cisco One-Year Limited Hardware Warranty Terms section in Readme First for the Cisco 800 Series Integrated Services Routers that was shipped with your router.

AudienceThis guide is intended for Cisco equipment providers who are technically knowledgeable and familiar with Cisco routers and Cisco IOS software and features.

C