Cisco Router Cisco 831 manuale d’uso

Corporate 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: 408 526-4100 Cisco 831 Router and SOHO 91 Router Hardw are Installation Guide Customer Order Number: DOC-7814784= Text Part Number: 78-14784-02[...]

THE SPECIFICA TIONS AND IN FORMA TION REGARDING TH E PR ODUCTS I N THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NO TICE. ALL ST A TEMENTS, INFORMA TION, AND RECOMMEND A TION S IN THIS MANU AL ARE BELIEVED TO BE A CCURA TE B UT ARE PRESENTED WITHOUT W ARRANTY OF ANY KIND, EXPRESS O R IMPLIED. USE RS MUST T AKE FULL RESPONSIBILITY FO R THEIR APPLICA TIO[...]

CCSP, CCVP, the Cisco Square Bridge logo, Foll ow Me Browsing, an d StackWise are trademarks of Ci sco Systems, Inc.; Changing the Way We Work, Live, Play, and Learn, and iQuick Stud y are service marks of Cisco Systems, Inc.; and Access Regi strar, Aironet, ASIST, B PX, Catalyst, CCDA, CCDP, CCIE, CCIP, CCNA, CCNP, Cisco, the Cisco Certified Inte [...]

[...]

vii Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02 CONTENTS Preface xi Obtaining Documentation xiv Cisco.com xiv Documentation DVD xv Ordering Documentation xv Documentation Feedb ack xv Cisco Product Secu rity Overview xvi Reporting Security Problems in Cisco Products xvi Obtaining Technical Assistance xvii Cisco Tech[...]

Contents viii Cisco 831 Router and SOHO 91 Router Hardware Installation G uide 78-14784-02 Warnings 2-2 Preventing Electrostatic Disch arge Damage 2-4 Unpacking the Box 2-5 Preventing Damage to the Router 2-6 Installing the Rou ter 2-6 Connecting a Serv er, PC, or Workstation 2-6 Connecting an External Et hernet Switch (Optional) 2-8 Connecting to [...]

ix Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02 Contents Specifications and Cables A-5 System Specifications A-5 LAN Port A-7 Console Connector Pinouts A-8 Cabling Spe cificatio ns A-8 Ethernet Cable Specifica tions A-9 Maximum Cable Distance A-9 I NDEX[...]

Contents x Cisco 831 Router and SOHO 91 Router Hardware Installation G uide 78-14784-02[...]

xi Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02 Preface This preface describes the audience, orga nization, and co n ven tions used in this guide. It also descri bes related documentati on and ho w to access electronic documentation . Audience This guide is intend ed for service techni cians w ho hav e no e xperience[...]

Preface xii Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Conventions This section descri bes the con vent ions used in this guide. Note Means reader take not e . Notes contain hel pful suggestions or references to additional informati on and material. Caution This symbol means r eader be car eful . In this situation ,[...]

xiii Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02 Preface War n un g Dieses W arnsymbol bedeutet Gefahr . Sie befinden sich in einer Situation , die zu einer Körperverletzung führen könnte. Bevor Sie m it der Arbeit an irgendeinem Gerät be ginnen, seien Sie sich der mit elektrischen Stromkreisen verbundenen Gefah[...]

Preface Obtaining Documentation xiv Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Related Documentation In addition t o this Cisco 831 Router and SOH O 91 Router Har dwar e Installation Guide , the Cisco 831 documentati on set includes the follo wing: • Cisco 831 Router and SOHO 9 1 Router Cabling and Setup Quic k St[...]

xv Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02 Preface Documentation Feedba ck Documentation DVD Cisco documentation and add itional litera ture are a v ailable in a Documentation D VD package, whi ch may hav e ship ped with your p roduct. The D ocumentati on D VD is updated regularly an d may be more current than p[...]

Preface Cisco Product Security Overview xvi Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Y ou can submit comments b y using the response card (if present) behi nd the front cov er of your document or b y writing t o the follo wing address: Cisco Systems Attn: Customer Document Or dering 170 W est T asman Dri ve San Jo[...]

xvii Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02 Preface Obtaining Te chnical Assistance • Nonemergencies — psirt@cisco.com Ti p W e encourage you to use Pretty Good Pri vac y (PGP) or a compatible produ ct to encrypt any sensit iv e information that you send to Cisco. PSIR T can work from encrypted information [...]

Preface Obtaining Technical Assistance xviii Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Access to all tools on the Cisco T echni cal Support W ebsite requires a Cisco.com user ID and password. If you hav e a v alid service contract b ut do not ha ve a user ID or password, y ou can register at this URL: http://tools.[...]

xix Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02 Preface Obtaining Additional Public ations and Information For a complete list of Cisco T A C contacts, go to this URL: http://www .cisco.co m/techsupport/cont acts Definitions of Service Request Severity T o ensure th at all service re quests are reported in a standar[...]

Preface Obtaining Additional Publ icat ions and Information xx Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 • Pa c k e t magazine is the Cisco System s technical user magazine for maximizing Internet and netw orking in vestments. Each quarter , Packet deli vers co ve rage of the latest industry trends, technol ogy b[...]

CH A P T E R 1-1 Cisco 831 Router and SOHO 91 Router Hard ware Installation Guide 78-14784-02 1 Product Overview The Cisco 831 router and Cisco SO HO 9 1 Ethernet-to-Ethernet routers can connect a corporate telecommu te r or small of fice to an Internet ser vice provider (ISP) o ver a broadb and or Ethernet conn ection to the follo wing sites: • [...]

Chapter 1 Product Overview Features 1-2 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Features Ta b l e 1 - 1 summarizes the features of these routers. T able 1 -1 Feat ur e Summary for Cisco 831 Rout er and SOHO 91 Router Feature Description 1 0 BA S E - T / 1 0 0 BA S E - T b uilt-in switch ports Prov ides connection[...]

1-3 Cisco 831 Router and SOHO 91 Router Hard ware Installation Guide 78-14784-02 Chapter 1 Product Overview Router Overview Ta b l e 1 - 2 describes the p orts on the Cisco 831 an d SOHO 91 routers. Router Overview This section shows the front an d back panels of the routers. Front Panel Figure 1-1 sho ws the front panel of the Cisco 831 router ( F[...]

Chapter 1 Product Overview Router Overview 1-4 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Back Panel Figure 1-2 sho ws the back panel of the Cisco 831 router ( Figure 1-2 depicts the back panel of a Cisco 831 router , but the back panel of the Cisco SOHO 91 router is nearly identical ). Figur e 1 -2 Cisco 831 Back P[...]

1-5 Cisco 831 Router and SOHO 91 Router Hard ware Installation Guide 78-14784-02 Chapter 1 Product Overview Router Overview LED Functions Ta b l e 1 - 3 summarizes the functio ns of the LEDs on the router s. T able 1 -3 F unctions of LEDs on the Cisco 831 Rout er and SOHO 91 Router LED Color Function PWR_OK Green On when DC po wer is being sup plie[...]

Chapter 1 Product Overview Router Overview 1-6 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02[...]

CH A P T E R 2-1 Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02 2 Installation This chapter p rovides info rmation on the follo wing topics: • Preparing for Installation • Pre venting Damage to the Router • Installing the Router • V erifying Router Operation • Mounting the Router • Connecting to a W ebsite [...]

Chapter 2 Installation Preparing for Installation 2-2 Cisco 831 Router and SOHO 91 Router Hardware Installation G uide 78-14784-02 Warnings Before installing the rou ter , read the follo wing warnings: War n in g Read the installation i nstructions before you connect the sy stem to its powe r source. War n in g Only trained and qualifie d personnel[...]

2-3 Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02 Chapter 2 Installation Preparing for Installation War n in g The ports labele d "10BaseT" , 100BaseTX", and "10/100" are safety extra-low voltage (SEL V) circuits. SEL V circuits should only be con nected to other SEL V circuits. A void connect[...]

Chapter 2 Installation Preparing for Installation 2-4 Cisco 831 Router and SOHO 91 Router Hardware Installation G uide 78-14784-02 War n in g T o reduce the risk of fire, use only No. 26 A WG or larger telecommunication line cord. War n in g This equipment contains a ring signal generator (ringer), which is a source of hazardous voltage. Do not tou[...]

2-5 Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02 Chapter 2 Installation Preparing for Installation If cables are connect ed at one end only , do not touch the e xposed pins at the unconnected end of the cable. This de vice is intended for use in r esidential and commercial en vironments only . Caution Periodically ch[...]

Chapter 2 Installation Preventing Dama ge to the Router 2-6 Cisco 831 Router and SOHO 91 Router Hardware Installation G uide 78-14784-02 Step 4 If you plan to us e the cable-lock feature, pro vide a K ensington or equi valent locking cable. Preventing Damage to the Router Follo w these guidelines when co nnecting de vices to your router: • Connec[...]

2-7 Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02 Chapter 2 Installation Installin g the Router Figur e 2-1 Connecting a Server , PC, or W or kstat ion 1 Cisco 831 rout er 4 PC 2 Y ellow Ethernet cable 5 RJ-45 port on the net work interface card (NIC) 3 Built-in Ethernet switch port 4 on the rout er E T HE R N E T 10B[...]

Chapter 2 Installation Installing the Router 2-8 Cisco 831 Router and SOHO 91 Router Hardware Installation G uide 78-14784-02 Perform the follo wing steps to connect the PC to port number 4 of the b uilt-in switch: Step 1 Connect one end of the yello w Ethernet cable to built -in Ethernet switch por t 4 on the router . Step 2 Connect the other end [...]

2-9 Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02 Chapter 2 Installation Installin g the Router Figure 2-2 Connecting to an Ether net Switch Perform the follo wing steps to connect the router to an e xternal Ethernet switch: Step 1 Connect one end of the yello w cable to built-i n Ethernet switch port 4 on th e router[...]

Chapter 2 Installation Installing the Router 2-10 Cisco 831 Router and SOHO 91 Router Hardware Installation G uide 78-14784-02 Connecting to the Internet Y ou can use an instal led broadband modem to connect to the In ternet. Connecting a Broadband Modem T o connect to an instal led DSL, cable, or long-reach Ethernet modem, follo w the steps gi ven[...]

2-11 Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02 Chapter 2 Installation Installin g the Router Step 2 Connect the other end of cable to the av ailable port on the modem. Foll ow th e instructions pro vided with your broadband mo dem to determine which port on the mo dem to connect to. T urn on the broadband modem if[...]

Chapter 2 Installation Installing the Router 2-12 Cisco 831 Router and SOHO 91 Router Hardware Installation G uide 78-14784-02 Figur e 2-4 Connecting a T erm inal or PC t o the Console P ort Perform the follo wing steps to connect the router’ s console port to a terminal o r PC: Step 1 Connect the RJ-45 connector on the light blue cable to t he r[...]

2-13 Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02 Chapter 2 Installation Installin g the Router War n in g This product relies o n the building’ s installation for short-circuit (overcurrent ) protection. Ensure that a fuse or circuit breaker no larger than 120 V AC, 15A U.S. (240 V AC, 16A international) is used o[...]

Chapter 2 Installation Installing the Router 2-14 Cisco 831 Router and SOHO 91 Router Hardware Installation G uide 78-14784-02 Perform the follo wing steps to connect the router to th e A C adapter: Step 1 Connect one end of the po wer supply cable to the router’ s input jack. Step 2 Connect the other end of t he power sup ply cable to the deskto[...]

2-15 Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02 Chapter 2 Installation Installin g the Router Figure 2-6 Connect Console P ort t o an Async Modem 1 Cisco 831 ro uter’ s consol e port 4 W all jack 2 Router’ s console port 5 T e lephone 3 An av ailable port on a n async modem 4 3 2 1 Cisco 831 +18 VDC CONSOLE ETH[...]

Chapter 2 Installation Checking the PC Configuration 2-16 Cisco 831 Router and SOHO 91 Router Hardware Installation G uide 78-14784-02 Perform the follo wing steps to connect the Cisco 831 router’ s console port to an async modem: Step 1 Connect the RJ-45 end o f the SOHO/800 Series Router Modem Cable to the Cisco 831 router ’ s console port. S[...]

2-17 Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02 Chapter 2 Installation Verifying Router Operation Step 6 If you are pro mpted, click Ye s to reboot the PC. For more informati on on ho w to configure TCP/IP , refer to the Cisco Router W eb Setup T r oubleshooting Guide , which is a v ailable on Cisco.com. Verifying [...]

Chapter 2 Installation Mounting the Router 2-18 Cisco 831 Router and SOHO 91 Router Hardware Installation G uide 78-14784-02 Mounting the Router Y ou can mount your r outer on one of the follo wing surfaces: • T able or other horizontal surf ace • W all or other v ertical surface Mounting on a Table Place the router on a table f irmly , and per[...]

2-19 Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02 Chapter 2 Installation Mounting t he Router Figure 2-7 W all -Mounting Brack ets (Bott om of Router) The follo wing condi tions must be met when you mo unt the router: Because you will use the LEDs as status and problem indicators, the fr ont panel must f ace upward a[...]

Chapter 2 Installation Mounting the Router 2-20 Cisco 831 Router and SOHO 91 Router Hardware Installation G uide 78-14784-02 Figur e 2-8 Mou nting Rout er on W all OK 4 3 2 1 IN T E R N E T ECO MPUTERS T X D R X D 1 RXD TXD CISCO 800 S E R I E S 80288 1 5 6 4 3 2 7[...]

2-21 Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02 Chapter 2 Installation Connecting to a W ebsite Perform the follo wing steps to mount the router on the w all: Step 1 Secure two scre ws 7 5/8 inches (1 9.35 cm ) apart into a wall an d 1/8 inch (0.32 cm) from the wall. Step 2 Hang the rout er on the scre ws as sho wn[...]

Chapter 2 Installation What to Do If You Cannot Conne ct to a Website 2-22 Cisco 831 Router and SOHO 91 Router Hardware Installation G uide 78-14784-02 What to Do If You Cannot Connect to a Website If you cannot connect to the Internet , using the factory con figur ation, or if you ha ve loaded ne w Cisco IOS software on the router si nce you insta[...]

2-23 Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02 Chapter 2 Installation What to Do If You Cannot Con nect to a W ebsite 4. If the PC is conf igured to automatical ly recei ve an IP address, b ut the web page still does not appear , select Start/Run , type winipcfg in the Run windo w , and examine the address in the [...]

Chapter 2 Installation What to Do If You Cannot Conne ct to a Website 2-24 Cisco 831 Router and SOHO 91 Router Hardware Installation G uide 78-14784-02[...]

CH A P T E R 3-1 Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02 3 Troubleshooting This chapter describ es problems that could occur with the ro uter hardware, possible causes of the problems, and step s for solving the problems. The problems are grouped a s follows: • Problems During First Start up • Problems After[...]

Chapter 3 Troub leshooting Problems During First Startup 3-2 Cisco 831 Router and SOHO 91 Router Hardware Installation G uide 78-14784-02 Problems During First Startup Ta b l e 3 - 1 lists prob lems that could occur the f irst time you tur n on the router . T able 3-1 Problems Dur ing First Startup Symptom Problem Solutions All LEDs, including OK L[...]

3-3 Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02 Chapter 3 Troubleshooting Problems During First Startup No connecti on to Ethernet devices. (COMPUTER LEDs 1 through 4 are off.) A cable-related problem: • Improperly connected cable. • Damaged cable. Perform the follo wing tasks in order: 1. T o make sure that yo [...]

Chapter 3 Troub leshooting Problems After Router Is Running 3-4 Cisco 831 Router and SOHO 91 Router Hardware Installation G uide 78-14784-02 Problems After Router Is Running Ta b l e 3 - 2 lists problems that cou ld occur after the router has been up and running. T able 3-2 Pro blems Aft er Rout er Is Running Symptom Problem Solutions Problems with[...]

A-5 Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02 APPENDIX A Specifications and Cables This appendix p rovides sy stem, port, and cabling specif ications for t he Cisco 831 and SOHO 91 routers. System Specifications Ta b l e A - 1 outlines the system specif i cations for the routers. T able A -1 S yst em Specification[...]

Appendix A Sp ecifications and Cables System Specifications A-6 Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02 For information on re gulatory compliance, refer to the Re gulatory Complian ce and Safety Information for Cisco 800 Series and SOHO Series Routers do cument that was shipped w ith your router . War n in g Ult[...]

A-7 Cisco 831 Router and SOHO 91 Router Ha rdware Installation Guide 78-14784-02 Appendix A Sp ecifications and Cables LAN Port LAN Port The Cisco 831 and SOHO 91 routers pro vide a f ixed onb oard LAN connection, which has a 10/100- Mbps wire-speed non -blocking switch controller t hat performs the 10B ASE-T/100B ASE-T Ethe rnet switch operation. [...]

Appendix A Sp ecifications and Cables Console Connector Pinouts A-8 Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02 Console Connector Pinouts Ta b l e A - 3 pro vides pinouts for consol e connector (for connecting a termi nal or PC). T able A -3 Console Connect or Pinouts (RJ-45) The console port is configured as a dat [...]

A-9 Cisco 831 Router and SOHO 91 Router Ha rdware Installation Guide 78-14784-02 Appendix A Sp ecifications and Cables Cabling Specifications Thanks to the auto-crosso ver (auto sensing) function, both straight-through and crossov er cables can be used fo r the Ethe rnet LAN p ort. Ethernet Cable Specifications Ta b l e A - 4 provides the specifica[...]

Appendix A Sp ecifications and Cables Cabling Specifications A-10 Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02[...]

IN-1 Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02 INDEX Numerics 100BASE-T 1-2 10BASE-T 1-2 A AC adapter, connecting 2-12 accessory kit 2-5 AC input vo ltage A-6 adapter, included 2-5 altitude specifications A-5 autosensing function 1-1 B back panel (figure) 1-4 broadband mo dem, connecting 2-10 C cables included wi [...]

Index IN-2 Cisco 831 Router and SOHO 91 Router Hardware Installation G uide 78-14784-02 E electrostatic damage, preventin g 2-4 encryption, hardware-based 1-1 Ethernet cable, specifications A-9 F feature summary (table) 1-2 Flash memory 1-2 frequency specifi cations A-6 front panel (figu re) 1-3 H hardware-based encryption 1-1 hazard, de fined xii [...]

IN-3 Cisco 831 Router and SOHO 91 Router Hardware Instal lation Guide 78-14784-02 Index S safety warnings 2-2 SDRAM, definition 1-2 server, connecting 2-6 software-based encryption 1-1 specifications Ethernet cable (table) A-9 maximum cable distance (table) A-9 system A-5 startup problems 3-2 straight-thr ough cable 1-1 system specifications (table[...]

Index IN-4 Cisco 831 Router and SOHO 91 Router Hardware Installation G uide 78-14784-02[...]