Cisco Systems 78-13983-04 User Manual

Cisco MWR 1900 Mobile Wireless Edge Router Software Configuration Guide

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The following information is for FCC compliance of Class B devices: The equipment described in this manual generates and may radiate radio-frequency energy. If it is not installed in accordance with Cisco’s installation instructions, it may cause interference with radio and television reception. This equipment has been tested and found to comply with the limits for a Class B digital device in accordance with the specifications in part 15 of the FCC rules. These specifications are designed to provide reasonable protection against such interference in a residential installation. However, there is no guarantee that interference will not occur in a particular installation.
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You can determine whether your equipment is causing interference by turning it off. If the interference stops, it was probably caused by the Cisco equipment or one of its peripheral devices. If the equipment causes interference to radio or television reception, try to correct the interference by using one or more of the following measures:
• Turn the television or radio antenna until the interference stops.
• Move the equipment to one side or the other of the television or radio.
• Move the equipment farther away from the television or radio.
• Plug the equipment into an outlet that is on a different circuit from the television or radio. (That is, make certain the equipment and the television or radio are on circuits controlled by different circuit breakers or fuses.)
Modifications to this product not authorized by Cisco Systems, Inc. could void the FCC approval and negate your authority to operate the product.
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All other trademarks mentioned in this document or Web site 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. (0206R)
Cisco MWR 1900 Mobile Wireless Edge Router Software Configuration Guide
Copyright © 2002 Cisco Systems, Inc. All rights reserved.
About This Guide vii
Objectives vii
Audience vii
Organization vii
Document Conventions viii
Additional Information ix
Related Documentation ix
Obtaining Documentation ix
World Wide Web ix
Documentation CD-ROM x
Ordering Documentation x

CONTENTS

CHAPTER
CHAPTER
Documentation Feedback x
Obtaining Technical Assistance x
Cisco.com xi
Technical Assistance Center xi
1 Overview of the MWR 1900 1-1
Benefits 1-1
Software Features 1-2
Cisco IOS Software 1-2
Network Processor Software 1-2
PPP Multiplexing/Demultiplexing 1-3
RTP/UDP Header Compression 1-3
Redundancy Support 1-4
MIB Support 1-5
Limitations and Restrictions 1-6
2 First-Time Configuration 2-1
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Before You Begin 2-1
Understanding Boot Images 2-1
Understanding Interface Numbering 2-1
Before Starting Your Router 2-3
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Contents
Using the Setup Command Facility 2-3
Configuring Global Parameters 2-3
Completing the Configuration 2-5
Where to Go Next 2-6
CHAPTER
CHAPTER
3 Cisco IOS Software Basics 3-1
Getting Help 3-1
Understanding Command Modes 3-2
Undoing a Command or Feature 3-3
Saving Configuration Changes 3-3
Where to Go Next 3-3
4 Configuring with the Command-Line Interface 4-1
Before You Begin 4-2
Verifying the Version of Cisco IOS Software 4-2
Configuring the Host Name and Password 4-2
Configuring Loopback Interfaces 4-3
Configuring Fast Ethernet Interfaces 4-4
Configuring the FE Interface IP Address 4-4
Setting the Speed and Duplex Mode 4-4
Configuring Routing Protocol Attributes 4-5
Configuring PIM 4-5
iv
Configuring HSRP Support 4-6
Enabling the FE Interface 4-7
Configuring Multilink Interfaces 4-7
Configuring Multilink PPP 4-8
Configuring IP Address Assignment 4-8
Configuring PPP Multiplexing 4-9
Configuring RTP/UDP Compression 4-9
Configuring Routing Protocol Attributes 4-10
Configuring PIM 4-10
Configuring T1 and E1 Interfaces 4-11
Configuring T1 Interfaces 4-11
Configuring E1 Interfaces 4-12
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Configuring QoS Attributes 4-13
Creating a Class Map 4-14
Creating a Policy Map 4-14
Assigning a QoS Boilerplate to an Interface 4-16
Configuring Redundancy 4-16
Redundant MWR 1900s 4-16
Stand-Alone MWR 1900 4-17
Saving Configuration Changes 4-18
Verifying the Configuration 4-18
Monitoring and Managing the MWR 1900 4-22
Show Commands for Monitoring the MWR 1900 4-23
Where to Go Next 4-24
Contents
CHAPTER
5 Command Reference 5-1
clear ip rtp header-compression 5-2
clear ppp mux 5-3
ip rtp compression-connections 5-4
ip rtp header-compression 5-5
mode y-cable 5-7
ppp mux 5-8
ppp mux delay 5-9
ppp mux frame 5-10
ppp mux pid 5-11
ppp mux subframe length 5-12
ppp mux subframe count 5-13
redundancy 5-14
show ip rtp header-compression 5-15
show ppp mux 5-17
show redundancy 5-19
standalone 5-21

INDEX

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Contents
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Objectives

About This Guide

This preface discusses the objectives, audience, organization, and conventions of this software configuration guide, and where to get the latest version of this guide.
This guide explains how to configure features that enable the MWR 1900 to be used in an IP-RAN solution.

Audience

This publication is designed for the person who will be responsible for configuring the router. This guide is intended for the following audiences:

Organization

The major sections of this software configuration guide include:
Chapter Title Description
Chapter 1 Overview of the MWR 1900 Describes the purpose of the MWR 1900 and its unique
Chapter 2 First-Time Configuration Discusses using the setup command facility to configure
Chapter 3 Cisco IOS Software Basics Describes what you need to know about the Cisco IOS
Customers with technical networking background and experience
System administrators who are familiar with the fundamentals of router-based internetworking, but
who might not be familiar with Cisco IOS software
System administrators who are responsible for installing and configuring internetworking
equipment, and who are familiar with Cisco IOS software
software features.
basic attributes of your router.
software.
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Document Conventions

Chapter Title Description
Chapter 4 Configuring with the
Command-Line Interface
Chapter 5 Command Reference Provides information about new and changed commands.
Document Conventions
This publication uses the following conventions to convey instructions and information.
Convention Description
boldface font Commands and keywords.
italic font Variables for which you supply values.
[ ] Keywords or arguments that appear within square brackets are optional.
{x | y | z} A choice of required keywords appears in braces separated by vertical bars.
You must select one.
screen font
boldface screen font
< > Nonprinting characters, for example passwords, appear in angle brackets in
[ ] Default responses to system prompts appear in square brackets.
Examples of information displayed on the screen.
Examples of information you must enter.
contexts where italic font is not available.
About This Guide
Describes how to use the Cisco IOS software command-line interface (CLI) to configure basic router functionality.
Note Means reader take note. Notes contain helpful suggestions or references to additional
information and material.
Timesaver This symbol means the described action saves time. You can save time by performing the
action described in the paragraph.
Caution This symbol means reader be careful. In this situation, you might do something that could
result in equipment damage or loss of data.
Tip s This symbol means the following information will help you solve a problem. The tips
information might not be troubleshooting or even an action, but could be useful information, similar to a Timesaver.
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About This Guide

Additional Information

This configuration guide does not contain the following:
Network design guide
Application case studies
Troubleshooting guide
A comprehensive reference to access services
For additional information about any of these topics, refer to the following resources:
Documentation CD-ROM
Cisco Connection Online (CCO)
Customer Service
Technical Assistance Center (TAC)
European TAC
Additional Information

Related Documentation

The following is a list of related Cisco MWR 1900 Mobile Wireless Edge Router publications.
Release Notes for the Cisco MWR 1900 Mobile Wireless Edge Router for Cisco IOS Release
12.2 MC
Cisco MWR 1900 Hardware Installation Guide
MWR 1900 Mobile Wireless Edge Router Rack Mounting Instructions
Regulatory Compliance and Safety Information for the Cisco MWR 1900 Mobile Wireless Edge
Router

Obtaining Documentation

The following sections provide sources for obtaining documentation from Cisco Systems.

World Wide Web

You can access the most current Cisco documentation on the World Wide Web at the following sites:
http://www.cisco.com
http://www-china.cisco.com
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http://www-europe.cisco.com
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Obtaining Technical Assistance

Documentation CD-ROM

Cisco documentation and additional literature are available in a CD-ROM package, which ships with your product. The Documentation CD-ROM is updated monthly and may be more current than printed documentation. The CD-ROM package is available as a single unit or as an annual subscription.

Ordering Documentation

Cisco documentation is available in the following ways:
Registered Cisco Direct Customers can order Cisco Product documentation from the Networking
Products MarketPlace:
http://www.cisco.com/cgi-bin/order/order_root.pl
Registered Cisco.com users can order the Documentation CD-ROM through the online Subscription
Store:
http://www.cisco.com/go/subscription
Nonregistered Cisco.com users can order documentation through a local account representative by
calling Cisco corporate headquarters (California, USA) at 408 526-7208 or, in North America, by calling 800 553-NETS(6387).
About This Guide

Documentation Feedback

If you are reading Cisco product documentation on the World Wide Web, you can submit technical comments electronically. Click Feedback in the toolbar and select Documentation. After you complete the form, click Submit to send it to Cisco.
You can e-mail your comments to bug-doc@cisco.com.
To submit your comments by mail, for your convenience many documents contain a response card behind the front cover. Otherwise, you can mail your comments to the following address:
Cisco Systems, Inc. Document Resource Connection 170 West Tasman Drive San Jose, CA 95134-9883
We appreciate your comments.
Obtaining Technical Assistance
Cisco provides Cisco.com as a starting point for all technical assistance. Customers and partners can obtain documentation, troubleshooting tips, and sample configurations from online tools. For Cisco.com registered users, additional troubleshooting tools are available from the TAC website.
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About This Guide

Cisco.com

Obtaining Technical Assistance
Cisco.com is the foundation of a suite of interactive, networked services that provides immediate, open access to Cisco information and resources at anytime, from anywhere in the world. This highly integrated Internet application is a powerful, easy-to-use tool for doing business with Cisco.
Cisco.com provides a broad range of features and services to help customers and partners streamline business processes and improve productivity. Through Cisco.com, you can find information about Cisco and our networking solutions, services, and programs. In addition, you can resolve technical issues with online technical support, download and test software packages, and order Cisco learning materials and merchandise. Valuable online skill assessment, training, and certification programs are also available.
Customers and partners can self-register on Cisco.com to obtain additional personalized information and services. Registered users can order products, check on the status of an order, access technical support, and view benefits specific to their relationships with Cisco.
To access Cisco.com, go to the following website:
http://www.cisco.com

Technical Assistance Center

The Cisco TAC website is available to all customers who need technical assistance with a Cisco product or technology that is under warranty or covered by a maintenance contract.
Contacting TAC by Using the Cisco TAC Website
If you have a priority level 3 (P3) or priority level 4 (P4) problem, contact TAC by going to the TAC website:
http://www.cisco.com/tac
P3 and P4 level problems are defined as follows:
P3—Your network performance is degraded. Network functionality is noticeably impaired, but most
business operations continue.
P4—You need information or assistance on Cisco product capabilities, product installation, or basic
product configuration.
In each of the above cases, use the Cisco TAC website to quickly find answers to your questions.
To register for Cisco.com, go to the following website:
http://www.cisco.com/register/
If you cannot resolve your technical issue by using the TAC online resources, Cisco.com registered users can open a case online by using the TAC Case Open tool at the following website:
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http://www.cisco.com/tac/caseopen
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Obtaining Technical Assistance
Contacting TAC by Telephone
If you have a priority level 1(P1) or priority level 2 (P2) problem, contact TAC by telephone and immediately open a case. To obtain a directory of toll-free numbers for your country, go to the following website:
http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml
P1 and P2 level problems are defined as follows:
P1—Your production network is down, causing a critical impact to business operations if service is
not restored quickly. No workaround is available.
P2—Your production network is severely degraded, affecting significant aspects of your business
operations. No workaround is available.
About This Guide
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Benefits

CHAPTER
1
Overview of the MWR 1900
The MWR 1900 Mobile Wireless Edge Router is a networking platform optimized for use in mobile wireless networks. It extends IP connectivity to the cell site and Base Transceiver Station (BTS), and through a Fast Ethernet interface to the BTS, provides bandwidth-efficient IP transport of voice and data bearer traffic, as well as maintenance, control, and signalling traffic, over the leased line backhaul network between the BTS and leased line termination and aggregation node via compression (cRTP/cUDP) and packet multiplexing (PPPmux and MLPPP). It supports a limited set of interfaces and protocols, but offers high performance at a low cost while meeting the critical requirements for deployment in cell sites, including small size, extended operating temperature range, high availability, and DC input power flexibility.
The MWR 1900 router is designed to be used at a cell site as part of an IP-RAN solution. Figure 1-1 shows the placement of and connections for the MWR 1900 for this application.
Figure 1-1 MWR 1900 in an IP-RAN Solution
100BaseT
pBTS
MWR 1900 IP BTS router pair
In the IP-RAN solution, the BTS site consists of a pair of MWR 1900 routers. The pair of MWR 1900s provides for an active and standby router for redundancy. A failure of the active MWR 1900 causes the standby router to take over as the active router for the BTS site.
Each pair of MWR 1900 routers at the BTS site is identical in hardware configuration. They connect to each other through the BTS via the Fast Ethernet interfaces. The individual backhaul links to an MWR 1900 router are cabled from a single T1/E1 termination block in the BTS, connecting to both the active and standby routers utilizing a “Y” cable. The redundancy design to control the active/standby
Active
T1/E1 backhaul link to
IP RAN aggregation node
Standby
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1-1

Software Features

transitions of the router pair leverages HSRP to control the relays on the VWIC-2MFT-T1-DIR (or VWIC-2MFT-E1-DIR) in each router to ensure that the relays on the active router are closed and the relays on the standby router are open to avoid double termination of the T1 (or E1).
Software Features
The software running on the MWR 1900 platform consists of two components: Cisco IOS software running on the MIPs-based route processor portion of the MWR 1900 hardware, and microcode running on the Cisco network processor, also known as “Parallel eXpress Forwarding (PXF).” Because the MWR 1900 is designed specifically for deployment in an IP-RAN at the BTS, it is customized for performance, high availability, quality of service, and link efficiency.

Cisco IOS Software

Cisco IOS software functions added to the MWR 1900 router for the IP-RAN application include:
Redundancy logic—For monitoring Hot Standby Routing Protocol (HSRP) information to
determine the active and standby router and control T1 termination.
Chapter 1 Overview of the MWR 1900
Failover logic—To force a switchover for hardware failures or an over-temperature condition.
Relay control—To open and close the T1/E1 interfaces on the active and standby routers.
Diagnostic functions—To monitor the “health” of the standby MWR 1900 router.
Standard Cisco IOS software features supported in the MWR 1900 for the IP-RAN application include:
IP Fragmentation
IP Multicast
IGMP
MLP, PPP Control Path (IPCP, NCP, LCP, CLNS)
HSRP
OSPF
DHCP
CDP
NTP
SNMP

Network Processor Software

To achieve the required efficiency, the MWR 1900 router has microcode running on the network processor to offload the fast-path processing of packets. This allows the MWR 1900 router to support the traffic of up to 4 T1s or E1s (up to 60,000 packets per second) at a targeted 80% processor utilization while performing UDP/RTP header compression/decompression (cUDP/cRTP) and PPPmux.
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Chapter 1 Overview of the MWR 1900
The following features are supported in the network processor:
MAC Classify
ICMP
FIB (CEF)
Load-balancing
MAC Rewrite
QoS Matching, including IP Access Lists (Input/Output Security ACLs are not supported), QoS
Group, IP Precedence, IP DSCP, and Input Interface
QoS Actions, including Set IP Precedence, Set IP DSCP, Set QoS Group, Traffic Shaping, Class
Based WFQ (CB-WFQ), and Low Latency Queuing (LLQ)
Maintenance of statistics, such as Forwarding, Drop, and Interface
IPv4
MLPPP
MLP, PPP Data Path (MLP LFI is not supported)
PPPmux
cRTP/cUDP
Software Features

PPP Multiplexing/Demultiplexing

Encapsulated PPP frames contain several bytes of header information, which adds overhead to a network that is used to transport PPP frames.
RFC 3153 describes a way to overcome this overhead. On the sending end, a multiplexor concatenates multiple PPP frames (subframes) into a single, multiplexed frame (superframe). One header is included in the superframe and the individual PPP subframes are separated by delimiters. On the receiving end, a demultiplexor uses the delimiters to separate the individual PPP subframes.
The MWR 1900 network processor software conforms to this specification and acts as both a multiplexor and a demultiplexor.

RTP/UDP Header Compression

RTP is a protocol used for carrying packetized audio and video traffic over an IP network. RTP, described in RFC 1889, is not intended for data traffic, which uses TCP or UDP. Instead, RTP provides end-to-end network transport functions intended for applications with real-time requirements (such as audio, video, or simulation data) over multicast or unicast network services.
In an RTP frame, there is a minimum 12 bytes of the RTP header, combined with 20 bytes of IP header, and 8 bytes of UDP header. This creates a 40-byte IP/UDP/RTP header. By comparison, the RTP packet has a payload of approximately 20 to 160 bytes for audio applications that use compressed payloads. Given this ratio, it is very inefficient to transmit the IP/UDP/RTP header without compressing it.
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Software Features
Chapter 1 Overview of the MWR 1900
Figure 1-2 RTP Header Compression
Before RTP header compression:
20 bytes 8 bytes
IP
Header
After RTP header compression:
IP/UDP/RTP header
12 bytes
UDP
RTP Payload
2 to 4 bytes
20 to 160 bytes
Payload
20 to 160 bytes
12076
RFCs 2508 and 2509 describe a method for compressing not only the RTP header, but also the associated UDP and IP headers. Using this method, the 40 bytes of header information is compressed into approximately 2 to 4 bytes, as shown in Figure 1-2. Because the frames are compressed on a link-by-link basis, the delay and loss rate are lower, resulting in improved performance.
The MWR 1900 network processor offloads both the compression and decompression of RTP frames from the Cisco IOS software.
Note The MWR 1900 router can be configured to perform only IP/UDP compression, in which case the
header is reduced from 28 bytes to 2 to 4 bytes.

Redundancy Support

To ensure availability, the backhaul links to an MWR 1900 router are redundantly cabled to the VWIC-2MFT-T1-DIR/ VWIC-2MFT-E1-DIR cards. This card, designed specifically for the MWR 1900 router, is a modified 2-port T1/E1 Multiflex VWIC with Drop and Insert.The modifications include the addition of relays to activate the T1/E1 ports. The relays allow “Y” cabling for router redundancy where the T1/E1 link is not redundant and default to open. The relays are controlled by HSRP/redundancy protocol between the two routers connected to the same T1/E1.
Note If you choose to use the MWR 1900 router in a non-redundant configuration, you must close the
relays on the card using the standalone subcommand. Also, redundancy parameters are processed when the router is booted up. These parameters cannot be changed “on the fly.”
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Chapter 1 Overview of the MWR 1900
HSRP
Cisco’s Hot Standby Router Protocol (HSRP) is used to control which router is active and which is standby. HSRP uses a priority scheme to determine which HSRP-configured router is to be the default active router. Priority is determined first by the configured priority value, and then by the IP address. In each case a higher value is of greater priority.

MIB Support

The MWR 1900 supports the following MIBs:
Software Features
CISCO-ACCESS-ENVMON-MIB
CISCO-CDP-MIB
CISCO-CLASS-BASED-QOS-MIB
CISCO-CONFIG-COPY-MIB
CISCO-CONFIG-MAN-MIB
CISCO-ENVMON-MIB
CISCO-FLASH-MIB
CISCO-HSRP-EXT-MIB
CISCO-HSRP-MIB
CISCO-ICSUDSU-MIB
CISCO-IMAGE-MIB
CISCO-IP-STAT-MIB
CISCO-IPMROUTE-MIB
CISCO-MEMORY-POOL-MIB
CISCO-PROCESS-MIB
CISCO-QUEUE-MIB
CISCO-SYSLOG-MIB
CISCO-TCP-MIB
ENTITY-MIB
IF-MIB
IGMP-MIB
IPMROUTE-MIB
OLD-CISCO-CHASSIS-MIB
OLD-CISCO-FLASH-MIB
OLD-CISCO-INTERFACES-MIB
OLD-CISCO-IP-MIB
OLD-CISCO-SYSTEM-MIB
OLD-CISCO-TS-MIB
RFC1213-MIB
RFC1253-MIB
RFC1406-MIB
TCP-MIB
UDP-MIB
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The MWR 1900 uses the same software base as the Cisco 10000. As such, it shares the same QoS MIB limitations of the Cisco 10000. For information about the Cisco10000 MIB support, see the Cisco 10000 Series ESR MIB Specifications Guide on CCO at http://www.cisco.com/univercd/cc/td/doc/product/aggr/10000/10kmibs/specgdll/index.htm.
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Limitations and Restrictions

Limitations and Restrictions
The MWR 1900 requires a special release of Cisco IOS software. Not all Cisco IOS software features can be used with this router as the core routing is handled by the network processor. A list of supported features is included in the “Software Features” section on page 1-2. The following features are not supported on the MWR 1900:
Security Access Control Lists
MPLS
802.1Q VLANs
Frame Relay (FR)
MLP LFI
AT M
Use of additional WICs (The only supported WIC is the VWIC-2MFT-T1DIR/
VWIC-2MFT-E1DIR.)
Chapter 1 Overview of the MWR 1900
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CHAPTER
2
First-Time Configuration
This chapter describes how to use the setup command facility to configure your router. The setup command facility prompts you to enter information needed to start a router functioning quickly. The facility steps you through a basic configuration, including local-area network (LAN) and wide-area network (WAN) interfaces. The following sections are included:
Before You Begin, page 2-1
Using the Setup Command Facility, page 2-3
Configuring Global Parameters, page 2-3
Completing the Configuration, page 2-5
Where to Go Next, page 2-6
If you prefer to configure the router manually or you wish to configure a module or interface that is not included in the setup command facility, proceed to “Chapter 3, “Cisco IOS Software Basics” to familiarize yourself with the command-line interface (CLI) and then proceed to “Chapter 4,
“Configuring with the Command-Line Interface” for step-by-step instructions.

Before You Begin

This section contains information with which you should be familiar before you begin to configure your router for the first time, including understanding boot images, understanding interface numbering, and knowing what you should do before starting your router.

Understanding Boot Images

The first file on the compact flash device in slot0: must be the Cisco IOS software image that you want to use. If it is not, the MWR 1900 will not be able to boot.
If you need to upgrade or replace the compact flash, be sure to follow the procedures in the Cisco MWR 1900 Mobile Wireless Router Hardware Installation Guide.

Understanding Interface Numbering

Each individual interface (port) on a Cisco MWR 1900 router is identified by number. Figure 2-1 shows the front of the MWR 1900 with the Fast Ethernet ports and the Voice/WAN Interface Card (VWIC) ports.
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2-1
Before You Begin
Figure 2-1 Front of the MWR 1900
ethernet
Activity (G)
Speed (G)
Link (G)
Network module
slot (future)
Fast
LEDs:
2 FE
ports
VWIC LEDs:
Alarm (A)
Loopback (A)
Carrier detect (G)
VWIC
position 2
(future)
S
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E
M
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N
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L
B
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IO
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Compact flash slot
VWIC
position 1
2 ports
VWIC
position 0
2 ports
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5
6
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C
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Console
port
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Auxiliary
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Chapter 2 First-Time Configuration
VWIC LEDs:
Alarm (A)
Loopback (A)
Carrier detect (G)
Air vent (both sides)
Power (G) Status (G) Chassis LEDs Activity (G)
65783
The Cisco MWR 1900 router chassis contains the following LAN and WAN interface types:
Two built-in Fast Ethernet LAN interfaces
Two slots in which you can install Voice/WAN interface cards (VWICs)
The slot numbers are as follows:
0 for all built-in interfaces
0 for all VWIC interfaces
The numbering format is:
Interface type Slot number/Interface number
Interface (port) numbers begin at 0 for each interface type, and continue from right to left.
The two built-in Ethernet 10/100 interfaces are Fast Ethernet 0/0 and Fast Ethernet 0/1.
The slot number for all VWIC interfaces is always 0. (The W0 and W1 slot designations are for physical slot identification only.) Interfaces in the VWICs are numbered from right to left, starting with 0/0 for each interface type, regardless of the physical slot in which the VWICs are installed.
For example, if you have a VWIC in each VWIC slot, then the interfaces are Serial 0/0 and Serial 0/1 in physical slot W0 and Serial 0/2 and Serial 0/3 in physical slot W1. However, if you install a VWIC in physical slot W1 (leaving slot W0 empty), the interfaces in slot W1 are Serial 0/0 and Serial 0/1. If you then add a VWIC to slot W0, the interface numbering will shift. The configuration that you created for interfaces Serial 0/0 and Serial 0/1 will now be applied to the VWIC in slot W0 and you will need to create a new configuration for the interfaces that you previously configured on W1 (which will now be Serial 0/2 and Serial 0/3).
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Chapter 2 First-Time Configuration

Before Starting Your Router

Before you power ON your router and begin to use the setup command facility, make sure you follow these steps:
Step 1 Set up the hardware and connect the console and network cables as described in the Cisco MWR 1900
Router Hardware Installation Guide.
Step 2 Configure your PC terminal emulation program for 9600 baud, 8 data bits, no parity, and 1 stop bit.

Using the Setup Command Facility

The setup command facility displays from your PC terminal emulation program window.
To create a basic configuration for your router, do the following:
Complete the steps in the “Configuring Global Parameters” section on page 2-3.
Complete the steps in the “Completing the Configuration” section on page 2-5.
Using the Setup Command Facility
Note If you make a mistake while using the setup command facility, you can exit and run the facility again.
Press Ctrl-c, and type setup at the enable mode prompt (1900#).

Configuring Global Parameters

Step 1 Power ON the router, see the Cisco MWR 1900 Router Hardware Installation Guide.

Messages will begin to appear in your terminal emulation program window.
Caution Do not press any keys on the keyboard until the messages stop. Any keys pressed during this time
are interpreted as the first command typed when the messages stop, which might cause the router to power off and start over. It takes a few minutes for the messages to stop.
rommon 1 >b slot0:mwr1900-i-mz.12042001 program load complete, entry point:0x80008000, size:0x658258 Self decompressing the image : ############################################################################ ############################################################################ ############################################################################ ############################################################################ ############################################################################ ############################################################################ ############################################################################ ####################### [OK]
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Restricted Rights Legend
Use, duplication, or disclosure by the Government is subject to restrictions as set forth in subparagraph (c) of the Commercial Computer Software - Restricted
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Configuring Global Parameters
Rights clause at FAR sec. 52.227-19 and subparagraph (c) (1) (ii) of the Rights in Technical Data and Computer Software clause at DFARS sec. 252.227-7013.
cisco Systems, Inc. 170 West Tasman Drive San Jose, California 95134-1706
Cisco Internetwork Operating System Software IOS (tm) 10000 Software (MWR1900-I-M), Version 12.2(xy), EARLY DEPLOYMENT RELEASE SOFTWARE Copyright (c) 1986-2001 by cisco Systems, Inc. Compiled Tue 04-Dec-01 23:20 by jsmith Image text-base:0x600089C0, data-base:0x60B42000
cisco mwr1900 (R7000) processor (revision 0.5) with 98304K/32768K bytes of memory. Processor board ID 12345678901 R7000 CPU at 240Mhz, Implementation 39, Rev 3.3, 256KB L2 Cache Bridging software. X.25 software, Version 3.0.0. Primary Rate ISDN software, Version 1.1. Toaster processor tmc has been reset. 2 FastEthernet/IEEE 802.3 interface(s) 2 Channelized T1/PRI port(s) DRAM configuration is 64 bits wide with parity disabled. 55K bytes of non-volatile configuration memory. 39168K bytes of ATA Slot0 CompactFlash (Read/Write)
Chapter 2 First-Time Configuration
--- System Configuration Dialog ---
At any point you may enter a question mark '?' for help. Use ctrl-c to abort configuration dialog at any prompt. Default settings are in square brackets '[]'.

Step 2 When the following message appears, enter yes to begin the initial configuration dialog:

Basic management setup configures only enough connectivity for management of the system, extended setup will ask you to configure each interface on the system
Would you like to enter basic management setup? [yes/no]:y Configuring global parameters:

Step 3 Enter a host name for the router (this example uses 1900-1):

Configuring global parameters:
Enter host name [Router]: 1900-1
Step 4 Enter an enable secret password. This password is encrypted (more secure) and cannot be seen when
viewing the configuration:
The enable secret is a password used to protect access to privileged EXEC and configuration modes. This password, after entered, becomes encrypted in the configuration. Enter enable secret: xxxx
Step 5 Enter an enable password that is different from the enable secret password. This password is not
encrypted (less secure) and can be seen when viewing the configuration:
The enable password is used when you do not specify an enable secret password, with some older software versions, and some boot images. Enter enable password: guessme
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Chapter 2 First-Time Configuration
Step 6 Enter the virtual terminal password, which prevents unauthenticated access to the router through ports
other than the console port:
The virtual terminal password is used to protect access to the router over a network interface. Enter virtual terminal password: guessagain

Step 7 Respond to the following prompts as appropriate for your network:

Configure SNMP Network Management? [yes]: Community string [public]:

Step 8 The summary of interfaces is displayed.

Current interface summary
Controller Timeslots D-Channel Configurable modes Status T1 0/0 24 23 pri/channelized Administratively up T1 0/1 24 23 pri/channelized Administratively up T1 0/2 24 23 pri/channelized Administratively up T1 0/3 24 23 pri/channelized Administratively up
Interface IP-Address OK? Method Status Protocol FastEthernet0/0 172.18.46.74 YES NVRAM up up FastEthernet0/1 150.0.1.0 YES NVRAM up up Serial0/0:0 unassigned YES NVRAM up up Serial0/1:0 unassigned YES NVRAM up up

Completing the Configuration

Step 9 Specify the interface to be used to connect to the network management system.

Enter interface name used to connect to the management network from the above interface summary:FastEthernet0/0

Step 10 You are then prompted to configure the specified interface.

Configuring interface FastEthernet0/0: Use the 100 Base-TX (RJ-45) connector? [yes]: Operate in full-duplex mode? [no]: Configure IP on this interface? [yes]:no
Completing the Configuration
When you have provided all the information prompted for by the setup command facility, messages similar to the following appear:
The following configuration command script was created:
! hostname 1900-1 enable secret 5 $1$kA4t$2LpzAVTQADpqTMeqAIG3F0 enable password guessme line vty 0 4 password guessagain no snmp-server ! no ip routing
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! interface FastEthernet0/0 no shutdown
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Where to Go Next

Step 1 A setup command facility prompt asks if you want to save this configuration.

Chapter 2 First-Time Configuration
media-type 100BaseX half-duplex no ip address ! interface FastEthernet0/1 shutdown no ip address ! end
To complete your router configuration, do the following:
[0] Go to the IOS command prompt without saving this config. [1] Return back to the setup without saving this config. [2] Save this configuration to nvram and exit.
Enter your selection [2]: Building configuration... Use the enabled mode 'configure' command to modify this configuration.
Press RETURN to get started!
If you answer no, the configuration information you entered is not saved, and you return to the router enable prompt. Type setup to return to the System Configuration Dialog.
If you answer yes, the configuration is saved and you are returned to the EXEC prompt.
Step 2 When the messages stop displaying on your screen, press Return to get the command line prompt.
The 1900-1> prompt indicates that you are now at the command-line interface (CLI) and you have just completed a basic router configuration. However, this is not a complete configuration. You must configure additional parameters using the Cisco IOS software CLI.
Where to Go Next
At this point you can proceed to the following:
Chapter 3, “Cisco IOS Software Basics” to learn how to use the CLI to configure additional
features.
Chapter 4, “Configuring with the Command-Line Interface” to complete the configuration of the
interfaces, routing protocols, and other features.
The Cisco IOS software configuration guide and command reference publications for more
advanced configuration topics.The Cisco 10000 ESR Quality of Service Documents for more information on configuring QoS. These publications are available on the Documentation CD-ROM that came with your router, on the World Wide Web from Cisco’s home page, or you can order printed copies.
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