Netopia R2121 Manual de usuario

Netopia ® R2121 Dual Analog Router User’s Reference Guide

viii User’s Reference Guide Example: Working with a Class C subnet... C-5Distributing IP addresses ...

9-12 User’s Reference Guideconnection. Use the same format restrictions noted above.You are finished configuring the once-only options. Return to the A

Managing Voice and Data Calls 9-13To enable call accounting, follow these steps:1. Select Enable Call Accounting and toggle it to On.2. Select Day f

9-14 User’s Reference GuideOnce you have enabled Call Accounting, you can specify per-connection profile limits in the Telco Options for each profile.G

Managing Voice and Data Calls 9-15The Call Accounting Statistics screen appears.If you select Aggregate Statistics, the following screen appears. T

9-16 User’s Reference Guideenabled, the message will read, Aggregate Not Enforced. Trigger Date (MDY) displays the date, in month, day, year format,

IP Setup, SmartIP and Network Address Translation 10-1CCCChhhhaaaapppptttteeeerrrr 11110000IIIIPPPP SSSSeeeettttuuuupppp,,,, SSSSmmmmaaaarr

10-2 User’s Reference GuideNetwork Address Translation works by remapping the source IP address of traffic from the LAN to a single static or dynamica

IP Setup, SmartIP and Network Address Translation 10-3Using Network Address TranslationThe following procedure describes how to use Network Address

10-4 User’s Reference GuideProfile screen. You access the Address Translation option from the IP Profile Parameters menu.Select the Local WAN IP Addres

IP Setup, SmartIP and Network Address Translation 10-5Internal users can access the Internet as they always do; the external Internet, however, view

Contents ix G Index ...Index-1Limited Warranty and Limitation of Remed

10-6 User’s Reference Guideexported, you can have Web servers on two different IP hosts. If you will be using multiple Connection Profiles, define the

IP Setup, SmartIP and Network Address Translation 10-7Follow these steps to configure IP Setup for your Netopia R2121: Select Ethernet IP Address an

10-8 User’s Reference Guide Select Add Export. The Add Exported Service screen appears. Select Service. A pop-up menu of services and ports appears

IP Setup, SmartIP and Network Address Translation 10-9Press the Escape key when you are finished configuring Exported Services to go back to the IP Se

10-10 User’s Reference Guidev2 routers. If you want the Netopia R2121 to advertise its routing table to other routers via RIP, select Transmit RIP a

IP Setup, SmartIP and Network Address Translation 10-11particular row and the subnet mask for the subnet in the Subnet Mask field in that row.For exa

10-12 User’s Reference GuideIf you have configured multiple Ethernet IP subnets, the IP Setup screen changes slightly:The IP address and Subnet mask i

IP Setup, SmartIP and Network Address Translation 10-13Viewing static routesTo display a view-only table of static routes, select Display/Change Sta

10-14 User’s Reference GuidePriority: An indication whether the Netopia R2121 will use the static route when it conflicts with information received fr

IP Setup, SmartIP and Network Address Translation 10-15Metric appears below Advertise Route Via RIP.With RIP Metric you set the number of routers, f

x User’s Reference Guide

10-16 User’s Reference GuideIP address servingIn addition to being a router, the Netopia R2121 is also an IP address server. There are four protocols

IP Setup, SmartIP and Network Address Translation 10-17To go to the IP Address Serving screen, select IP Address Serving in the System Configuration

10-18 User’s Reference GuideDHCP NetBIOS OptionsIf your network uses NetBIOS, you can enable the Netopia R2121 to use DHCP to distribute NetBIOS info

IP Setup, SmartIP and Network Address Translation 10-19toggle it to Yes. From the NetBIOS Type pop-up menu, select the type of NetBIOS used on you

10-20 User’s Reference GuideThe Served IP Addresses screen appears.To release these addresses, select Lease Management.Select Release BootP Leases an

IP Setup, SmartIP and Network Address Translation 10-21MacIP (Kip Forwarding) OptionsWhen hosts using AppleTalk (typically those using LocalTalk) ar

10-22 User’s Reference Guide

IPX Setup 11-1CCCChhhhaaaapppptttteeeerrrr 11111111IIIIPPPPXXXX SSSSeeeettttuuuuppppInternetwork Packet Exchange (IPX) is the network protocol

11-2 User’s Reference GuideIPX address An IPX address consists of a network number, a node number, and a socket number. An IPX network number is comp

IPX Setup 11-3The following is a list of common SAP server types: NetBIOS NetBIOS is a protocol that performs tasks related to the Transport and Ses

Configuration options for your Netopia R2121 Dual Analog Router The Netopia R2121 can be used in different ways depending on your needs. In general, y

11-4 User’s Reference GuideTo go to the IPX Setup screen, from the Main Menu select System Configuration and then select Network Protocols Setup and t

IPX Setup 11-57. Select Default Gateway Address, and enter the network address of the IPX network to which all packets of unknown destination addres

11-6 User’s Reference GuideTo configure IPX routing in the answer profile, select IPX Parameters and go to the IPX Parameters (Default Answer Profile) s

IPX Setup 11-7IPX routing tablesIPX routing tables provide information on current IPX routes and services. To go to the IPX Routing Table screen, se

11-8 User’s Reference Guide

AppleTalk Setup 12-1CCCChhhhaaaapppptttteeeerrrr 11112222AAAApppppppplllleeeeTTTTaaaallllkkkk SSSSeeeettttuuuuppppThis chapter discusses the c

12-2 User’s Reference GuideIf the cabling of your network were a street system, then a node address would correspond to a building’s street address.

AppleTalk Setup 12-3MacIPWhen Macintosh computers encapsulate TCP/IP packets in AppleTalk, either because they are on LocalTalk or they are on Ether

12-4 User’s Reference GuideYou should set the Netopia R2121’s seeding action to work best in your particular network environment. These scenarios may

AppleTalk Setup 12-5The Netopia Feature Set Upgrade screen appears.Follow the instructions to enable AppleTalk on your router. Once AppleTalk is ena

1. Small Office connection to the InternetFor Small Office connections to the Internet, using a single dynamic IP address with Network Address Translat

12-6 User’s Reference GuideConfiguring AppleTalkAppleTalk setup for Netopia R2121s consists of configuring EtherTalk, LocalTalk, and AURP.EtherTalk Set

AppleTalk Setup 12-7EtherTalk Phase II port is visible to other AppleTalk nodes. The default zone is also where new AppleTalk nodes will appear. If

12-8 User’s Reference GuideAs an alternative, you can set LocalTalk seeding to soft seeding and let the Netopia R2121 receive the zone name and netwo

AppleTalk Setup 12-9Site A has an AURP tunnel to site B. Both sides have multiple zones defined on the EtherTalk port and a unique zone on their Loca

12-10 User’s Reference GuideDeleting an AURP partner To delete an AURP partner, select Delete Partner in the AURP Setup screen and press Return to d

AppleTalk Setup 12-11Raising the tickle packet interval does not ensure that the AURP tunnel is dropped or not brought up. If any application on the

12-12 User’s Reference Guide

Monitoring Tools 13-1CCCChhhhaaaapppptttteeeerrrr 11113333MMMMoooonnnniiiittttoooorrrriiiinnnngggg TTTToooooooollllssssThis chapter discusses

13-2 User’s Reference GuideGeneral StatusCurrent Date: The current date; this can be set with the Date and Time utility (see “Date and Time” on page

Monitoring Tools 13-3Current StatusThe current status section is a table showing the current status of the WAN. For example:WAN StatusProfile Name: L

2. Small Office connection to the InternetFor Small Office connections to the Internet, using a block of IP addresses (Network Address Translation disab

13-4 User’s Reference GuideStatistics & LogsWhen you are troubleshooting your Netopia R2121, the Statistics screens provide insight into the rece

Monitoring Tools 13-5installed LT (LocalTalk on the PhoneNET) if the optional AppleTalk feature set is installedThe right side of the table lists t

13-6 User’s Reference GuideWAN Event HistoryThe WAN Event History screen lists a total of 128 events on the WAN. The most recent events appear at the

Monitoring Tools 13-7Date: Date of the event.Event: A brief description of the event.Ch.: The channel involved in the event.Dir. Number: The directo

13-8 User’s Reference GuideTo obtain more information about any event listed in the Device Event History, select the event and then press Return. A d

Monitoring Tools 13-9IP routing tableThe IP routing table displays all of the IP routes currently known to the Netopia R2121.To display the IP Routi

13-10 User’s Reference GuideTo display the AppleTalk Routing Table screen, select AppleTalk Routing Table in the Statistics & Logs screen and pre

Monitoring Tools 13-11Pkts Fwded: The number of packets sent to the router shown.Served IP AddressesYou can view all of the IP addresses currently b

13-12 User’s Reference GuideThe IP Address Lease Management screen appears.By selecting each of these options you can: Reset all current IP addresse

Monitoring Tools 13-13System InformationThe System Information screen gives a summary view of the general system level values in the Netopia R2121 D

3. Direct Connection to a Corporate Office (Telecommuter)For direct connections to a Corporate Office, you can use either one of two configuration option

13-14 User’s Reference GuideThe SNMP Setup screenTo go to the SNMP Setup screen from the Main Menu, select SNMP in the System Configuration screen and

Monitoring Tools 13-15By default, the read-only and read/write community strings are set to “public” and “private,” respectively. You should change

13-16 User’s Reference GuideSetting the IP trap receivers1. Select Add IP Trap Receiver.2. Select Receiver IP Address or Domain Name. Enter the IP ad

Security 14-1CCCChhhhaaaapppptttteeeerrrr 11114444SSSSeeeeccccuuuurrrriiiittttyyyyThe Netopia R2121 provides a number of security features to hel

14-2 User’s Reference GuideUser accountsWhen you first set up and configure the Netopia R2121, no passwords are required to access the configuration scr

Security 14-3To display a view-only list of user accounts, select Show Users in the Security Options screen.To add a new user account, select Add Us

14-4 User’s Reference GuideEnable SmartStart/SmartView/Web ServerYou may wish to restrict access to the web-based screens to prevent inadvertent swit

Security 14-5 How filter sets work A filter set acts like a team of customs inspectors. Each filter is an inspector through which incoming and outgoin

14-6 User’s Reference Guide If the package does not match the first inspector’s criteria, it goes to the second inspector, and so on. You can see tha

Security 14-7 How individual filters work As described above, a filter applies criteria to an IP packet and then takes one of three actions: A filter’

4. Configured to accept incoming dial-up connectionsTo configure the Netopia R2121 to accept incoming dial-up connections, you should use the following

14-8 User’s Reference GuidePort numbers A filter can also match a packet’s port number attributes, but only if the filter’s protocol type is set to TC

Security 14-9 Greater Than or Equal: For the filter to match, the packet’s port number must be greater than or equal to the port number specified in

14-10 User’s Reference Guide Src. Port: The source port to match. This is the port on the sending host that originated the packet. D. Port: The de

Security 14-11 This four-step process is how we produced the following filter from the original rule: Filtering example #2 Suppose a filter is configu

14-12 User’s Reference GuideDisadvantages of filters Although using filter sets can greatly enhance network security, there are disadvantages: Filte

Security 14-13 The procedure for creating and maintaining filter sets is as follows:1. Add a new filter set.2. Create the filters for the new filter se

14-14 User’s Reference GuideNaming a new filter setAll new filter sets have a default name. The first filter set you add will be called Filter Set 1, the

Security 14-15Input and output filters—source and destinationThere are two kinds of filters you can add to a filter set: input and output. Input filters

14-16 User’s Reference Guide1. To make the filter active in the filter set, select Enabled and toggle it to Yes. If Enabled is toggled to No, the filter

Security 14-1710. When you are finished configuring the filter, select ADD THIS FILTER NOW to save the filter in the filter set. Select CANCEL to discard

5. Configured for two onboard and one external modem on the Auxiliary portTo configure the Netopia R2121 to use the two onboard modems and a third exter

14-18 User’s Reference GuideModifying filter setsTo modify a filter set, select Display/Change Filter Set in the Filter Sets screen to display a list o

Security 14-19The five input filters and one output filter that make up Basic Firewall are shown in the table below. Basic Firewall’s filters play the f

14-20 User’s Reference GuideBasic Firewall is suitable for a LAN containing only client hosts that wish to access servers on the WAN, not for a LAN c

Security 14-21FTP sessions. To allow WAN-originated FTP sessions to a LAN-based FTP server with the IP address a.b.c.d (corresponding to a numbered

14-22 User’s Reference GuideIPX filtersIPX packet filters work very similarly to IP packet filters. They filter data traffic coming from or going to remot

Security 14-23The items in the IPX Filters and Filter Sets screen are grouped into four areas: IPX packet filters IPX packet filter sets IPX SAP fil

14-24 User’s Reference Guide1. Select Filter Name and enter a descriptive name for the filter.2. To specify a source network for the filter to match on

Security 14-25Follow these steps to configure the new packet filter set:1. Select Filter Set Name and enter a descriptive name for the filter set.2. To

14-26 User’s Reference Guide3. To add a filter to the filter set, select Append Filter to display a table of filters. Select a filter from the table and

Security 14-27Adding a SAP filterTo add a new IPX SAP filter, select Add IPX SAP Filter in the IPX Filters and Filter Sets screen and press Return to

PPPPaaaarrrrtttt IIII:::: GGGGeeeettttttttiiiinnnngggg SSSSttttaaaarrrrtttteeeedddd

14-28 User’s Reference GuideDeleting a SAP filterTo delete a SAP filter, select Delete IPX SAP filter in the IPX Filters and Filter Sets screen to displ

Security 14-29Select a filter and toggle the entry forwarding action to Yes (pass) or No (discard).3. To add a filter to the filter set, select Append

14-30 User’s Reference GuideFirewall tutorialGeneral Firewall TermsFirewall: a component or set of components that restrict access between a protecte

Security 14-31Example TCP/UDP PortsFirewall design rulesThere are two basic rules to firewall design: “What is not explicitly allowed is denied...”a

14-32 User’s Reference Guideand a packet goes through these rules destined for FTP, the packet would pass through the first filter rule (WWW), match th

Security 14-33Established ConnectionsThe TCP header contains one bit called the ACK Bit (or TCP Ack bit). This ACK Bit only appears with TCP, not UD

14-34 User’s Reference GuideExample NetworkExample FiltersExample 1 Incoming packet has the source address of 200.1.1.28Less Than Or Equal Any port l

Security 14-35This incoming IP packet has a source IP address that matches the network address in the Source IP Address field (00000000) in the Netop

14-36 User’s Reference GuideSince the Source IP Network Address in the Netopia R2121 is 01100000, and the source IP address after the logical AND is

Security 14-37Since the Source IP Network Address in the Netopia R2121 is 01100000, and the source IP address after the logical AND is 01100000, thi

Copyright Copyright 1998, Netopia, Inc. v.1298All rights reserved. Printed in the U.S.A.This manual and any associated artwork, software and product

User’s Reference Guide

14-38 User’s Reference GuideThe Netopia R2121 supports the following user configurations for security authentication: Single user, calling a single d

Security 14-392. Select Send Authentication and press Return. From the pop-up menu, highlight PAP-TOKEN or CACHE-TOKEN. Your network administrator o

14-40 User’s Reference Guide1. Select Secure Authentication Monitor and press Return. The Secure Authentication Monitor screen appears.2. Wait for th

Security 14-41Note: When using CACHE-TOKEN, your passcode is valid for a time interval determined by the network administrator. When this time inter

14-42 User’s Reference Guide

Utilities and Diagnostics 15-1CCCChhhhaaaapppptttteeeerrrr 11115555UUUUttttiiiilllliiiittttiiiieeeessss aaaannnndddd DDDDiiiiaaaaggggnnnnoo

15-2 User’s Reference GuidePingThe Netopia R2121 includes a standard Ping test utility. A Ping test generates IP packets destined for a particular (P

Utilities and Diagnostics 15-3While the Ping test is running, and when it is over, a status field and a number of statistical items are active on the

15-4 User’s Reference GuidePackets Lost: The number of packets unaccounted for, shown in total and as a percentage of total packets sent. This stati

Utilities and Diagnostics 15-5To trace a route, follow these steps:1. Select Host Name or IP Address and enter the name or address of the destinatio

Introduction 1-1CCCChhhhaaaapppptttteeeerrrr 1111IIIInnnnttttrrrroooodddduuuuccccttttiiiioooonnnnOverviewThe Netopia R2121 Dual Analog Router is

15-6 User’s Reference GuideThe Telnet client screen appears. Enter the host name or the IP address in dotted decimal format of the machine you want

Utilities and Diagnostics 15-7Disconnect Telnet Console SessionIf you want to close your Telnet Console session, select Disconnect Telnet Console Se

15-8 User’s Reference GuideThe sections below describe how to update the Router’s firmware and how to download and upload configuration files.Updating fi

Utilities and Diagnostics 15-9name (for example, bigroot/config/myfile). Select Send Firmware to Netopia from TFTP Server and press Return. You will

15-10 User’s Reference Guideexample, bigroot/config/myfile). Select Read Config Now and press Return. You will see the following dialog box: Select CA

Utilities and Diagnostics 15-11Updating firmwareFirmware updates may be available periodically from Netopia or from a site maintained by your organiz

15-12 User’s Reference GuideThe system will reset at the end of a successful file transfer to put the new firmware into effect. While the system resets

Utilities and Diagnostics 15-131. Decide on a name for the file and a path for saving it.2. Select Receive Config from Netopia and press Return. The f

15-14 User’s Reference Guide

PPPPaaaarrrrtttt IIIIIIIIIIII:::: AAAAppppppppeeeennnnddddiiiixxxxeeeessss

1-2 User’s Reference Guidenetwork by using Network Address Translation and a single IP address. SmartPhone™ allows the router to share telephone lin

User’s Reference Guide

Troubleshooting A-1AAAAppppppppeeeennnnddddiiiixxxx AAAATTTTrrrroooouuuubbbblllleeeesssshhhhoooooooottttiiiinnnnggggThis appendix is intended to h

A-2 User’s Reference GuideSmartStart TroubleshootingThe Status field of the SmartStart application will display information and indicate problems as t

Troubleshooting A-3Power outagesIf you suspect that power was restored after a power outage, and the Netopia R2121 is connected to a remote site, you

A-4 User’s Reference GuidePhone: 1 800-782-6449Fax: 1 510-814-5023Netopia, Inc.Customer Service2470 Mariner Square LoopAlameda, California 94501USANe

Setting Up Internet Services B-1AAAAppppppppeeeennnnddddiiiixxxx BBBBSSSSeeeettttttttiiiinnnngggg UUUUpppp IIIInnnntttteeeerrrrnnnneeeetttt

B-2 User’s Reference GuideUnique requirementsMake sure the ISP can meet any unique requirements you may have. Potential requirements include: Dynami

Setting Up Internet Services B-3Consider expected growth in your network when deciding on the number of addresses to obtain. Alternatively, you may u

B-4 User’s Reference Guidein the address block The Ethernet IP address for your Netopia R2121 The Ethernet IP subnet mask address for your Netopia

Understanding IP Addressing C-1AAAAppppppppeeeennnnddddiiiixxxx CCCCUUUUnnnnddddeeeerrrrssssttttaaaannnnddddiiiinnnngggg IIIIPPPP AAAAdddddd

Making the Physical Connections 2-1CCCChhhhaaaapppptttteeeerrrr 2222MMMMaaaakkkkiiiinnnngggg tttthhhheeee PPPPhhhhyyyyssssiiiiccccaaaallll

C-2 User’s Reference GuideIP addresses indicate both the identity of the network and the identity of the individual host on the network. The number o

Understanding IP Addressing C-3Subnet masksTo create subnets, the network manager must define a subnet mask, a 32-bit number that indicates which bits

C-4 User’s Reference GuideNetwork configurationBelow is a diagram of a simple network configuration. The ISP is providing a Class C address to the cust

Understanding IP Addressing C-5BackgroundThe IP Addresses and routing configurations for the devices shown in the diagram are outlined below. In addit

C-6 User’s Reference GuideThere are two schemes for distributing the remaining IP addresses: Manually give each computer an address Let the Netop

Understanding IP Addressing C-7ConfigurationThis section describes the specific IP address lease, renew, and release mechanisms for both the Mac and PC

C-8 User’s Reference Guideone hour after the last heard lease request as some other DHCP implementations may hold on to the lease for an additional t

Understanding IP Addressing C-9In any situation where a device is dialing into a Netopia router, the router may need to be configured to serve IP via

C-10 User’s Reference GuideThe figure above shows an example of a block of IP addresses being distributed correctly.The example follows these rules:

Understanding IP Addressing C-11Nested IP subnetsUnder certain situations, you may wish to create remote subnets from the limited number of IP addres

2-2 User’s Reference GuideWindows and Macintosh, ZTerm terminal emulator software and NCSA Telnet 2.6 for MacintoshYou will need: A Windows 95-based

C-12 User’s Reference GuideRouters B and C (which could also be Netopia R2121s) serve the two remote networks that are subnets of a.b.c.0. The subnet

Understanding IP Addressing C-13The following diagram illustrates the IP address space taken up by the two remote IP subnets. You can see from the di

C-14 User’s Reference Guide

Understanding Netopia NAT Behavior D-1AAAAppppppppeeeennnnddddiiiixxxx DDDDUUUUnnnnddddeeeerrrrssssttttaaaannnnddddiiiinnnngggg NNNNeeeettttooo

D-2 User’s Reference GuideWhen the Netopia R2121 establishes a connection over its WAN interface with another router it uses the Point to Point Proto

Understanding Netopia NAT Behavior D-3When the Netopia R2121 receives this IP packet, it can not simply forward it to the WAN interface and the Inter

D-4 User’s Reference GuideAs you can see, when Workstation A and Workstation B transmit an IP packet to the WWW Server on the Internet, they have uni

Understanding Netopia NAT Behavior D-5With this information the Netopia R2121 can determine the appropriate routing for an IP response from the Inter

D-6 User’s Reference GuideImportant notesEven with the advantages of NAT, there are several things you should note carefully: There is no formally a

Understanding Netopia NAT Behavior D-7Toggling Address Translation Enabled to Yes enables the Netopia R2121 to send out an all-zeros IPCP address tha

Making the Physical Connections 2-3If you have two phone lines on a single wall outlet, this is the only Telco connection you need to make. The pino

D-8 User’s Reference GuideWithin Exported Services is a pop-up containing a list of well known TCP and UDP services that can be redirected to a singl

Binary Conversion Table E-1AAAAppppppppeeeennnnddddiiiixxxx EEEEBBBBiiiinnnnaaaarrrryyyy CCCCoooonnnnvvvveeeerrrrssssiiiioooonnnn TTTTaaaabb

E-2 User’s Reference GuideDecimal Binary Decimal Binary Decimal Binary Decimal Binary128 10000000 160 10100000 192 11000000 224 11100000129 10000001

Further Reading F-1AAAAppppppppeeeennnnddddiiiixxxx FFFFFFFFuuuurrrrtttthhhheeeerrrr RRRReeeeaaaaddddiiiinnnnggggAngell, David. ISDN for Dummie

F-2 User’s Reference GuideHares, S. "Components of OSI: Inter-Domain Routing Protocol (IDRP)." ConneXions: The Interoperability Report, Vol

Further Reading F-3Rose, M.T. The Open Book: A Practical Perspective on OSI. Englewood Cliffs, New Jersey: Prentice Hall; 1990.Rose, M.T. The Simple

F-4 User’s Reference Guide

Technical Specifications and Safety Information G-1AAAAppppppppeeeennnnddddiiiixxxx GGGGTTTTeeeecccchhhhnnnniiiiccccaaaallll SSSSppppeeeecccciii

G-2 User’s Reference GuideDescriptionDimensions: 124.0 cm (w) x 20.0 cm (d) x 5.3 cm (h)9.4” (w) x 7.9” (d) x 2.1” (h)Communications interfaces: The

Technical Specifications and Safety Information G-3Software and protocolsSoftware media: Software preloaded on internal flash memory; field upgrades don

2-4 User’s Reference GuideNetopia R2121 Dual Analog Router Back Panel PortsThe figure below displays the back of the Netopia R2121 with Dual Analog.Ne

G-4 User’s Reference GuideIf this device is malfunctioning, it may also be causing harm to the telephone network; this device should be disconnected

Technical Specifications and Safety Information G-5Users should ensure for their own protection that the electrical ground connections of the power ut

G-6 User’s Reference Guide

About 56K Line Access H-1AAAAppppppppeeeennnnddddiiiixxxx HHHHAAAAbbbboooouuuutttt 55556666KKKK LLLLiiiinnnneeee AAAAcccccccceeeessssssss

H-2 User’s Reference GuideThese new techniques treat the phone system as a mostly digital network that just happens to have an analog portion. There

Glossary 1GGGGlllloooossssssssaaaarrrryyyyAccess Line: A telephone line reaching from the telephone company central office to a point usually on your

2 User’s Reference Guidebyte: A group of bits, normally eight, which represent one data character.CallerID: See CND.CCITT (Comite Consultatif Interna

Glossary 3DNS (Domain Name Service): A TCP/IP protocol for discovering and maintaining network resource information distributed among different serve

4 User’s Reference Guideinternet: A set of networks connected together by routers. This is a general term, not to be confused with the large, multi-

Glossary 5NAT (Network Address Translation): A feature that allows communication between the LAN connected to the Netopia ISDN Router and the Interne

Making the Physical Connections 2-5The following table describes all the Netopia R2121 Dual Analog Router back panel ports.Port DescriptionPower por

6 User’s Reference Guideremapping: See network number remapping.RFC (Request for Comment): A series of documents used to exchange information and s

Glossary 7TCP/IP (Transmission Control Protocol/Internet Protocol): An open network standard that defines how devices from different manufacturers com

8 User’s Reference Guide

Index-1IIIInnnnddddeeeexxxxNumerics10Base-T 5-410Base-T, connecting 5-4AAdd Static Route 10-14Adding a filter set 14-13advanced configurationfeatures 8-

Index-2connection profilesdefined 7-3scheduling 9-1, 9-7consoleconfiguring 8-12screens, connecting to 8-8Console Configuration 8-12Console connection prob

Index-3finding an ISP B-1firewall 14-18firmware filesupdating with TFTP 15-8updating with XMODEM 15-11FTP sessions 14-21further reading F-1GGeneral Statis

Index-4monitoring 13-1security 14-1system utilities and tests 15-1Network Address Translationsee NAT 10-1Network problems A-2network status overview 1

Index-5PC 3-1troubleshootingMacintosh A-2PC A-1Windows 95 3-3SmartView 4-1launching SmartView 4-1SNMPcommunity strings 13-14MIBs supported 13-13traps

Index-6WAN configuration 9-2, 10-3WAN event history 13-6WAN statistics 13-4, 13-5Windows 95SmartStart 3-3XXMODEM 15-10XMODEM file transfersdownloading c

Limited Warranty and Limitation of Remedies 1LLLLiiiimmmmiiiitttteeeedddd WWWWaaaarrrrrrrraaaannnnttttyyyy aaaannnndddd LLLLiiiimmmmiiiitttta

2-6 User’s Reference GuideNetopia R2121 Dual Analog Router Status LightsThe figure below represents the Netopia R2121 status light (LED) panel.Netopia

2 User’s Reference Guide

Making the Physical Connections 2-7when link is detected 14 though 21 are solid green.when data is received on their respective ports 14 though 21 fl

GB Configuration options for your Netopia R2121 Dual Analog Router..1 1. Small Office connection to the Internet... 22. Small O

2-8 User’s Reference Guide

Setting up your Router with the SmartStart Wizard 3-1CCCChhhhaaaapppptttteeeerrrr 3333SSSSeeeettttttttiiiinnnngggg uuuupppp yyyyoooouuuurrr

3-2 User’s Reference GuideNotes: • The computer running SmartStart must be on the same Ethernet cable segment as the Netopia R2121. Repeaters, such a

Setting up your Router with the SmartStart Wizard 3-3Setting up your Router with the SmartStart WizardThe SmartStart Wizard is tailored for your pla

3-4 User’s Reference GuideEasy optionWhen the test succeeds, SmartStart indicates success.If the test fails, the wizard displays an error screen. If

Setting up your Router with the SmartStart Wizard 3-5When the test is successful, you will see the “Manual or Automated Connection Profile screen,” s

3-6 User’s Reference Guidewith: Your dial-up number, sometimes referred to as an ISP POP number Your Login name and Password. (These are case-sensi

Setting up your Router with the SmartStart Wizard 3-7In most cases, this SmartStart configuration is all that you need to get your router up and runn

3-8 User’s Reference GuideAdvanced optionRouter IP Address screen. If you selected the Advanced option in the “Easy or Advanced options screen” on pa

Setting up your Router with the SmartStart Wizard 3-9Sharing the ConnectionConfiguring TCP/IP on Windows 95, 98, or NT computersConfiguring TCP/IP on

ii User’s Reference Guide Configuring TCP/IP on Windows 95, 98, or NT computers... 3-9Configuri

3-10 User’s Reference GuideDynamic configuration (recommended)If you configure your Netopia R2121 using SmartStart, you can accept the dynamic IP addre

Setting up your Router with the SmartStart Wizard 3-11Static configuration (optional)If you are manually configuring for a fixed or static IP address,

4. Click OK in this window, and the next window. When prompted, reboot the computer.Note: You can also use these instructions to configure other comput

Setting up your Router with the SmartStart Wizard 3-13Configuring TCP/IP on Macintosh computersThe following is a quick guide to configuring TCP/IP fo

3-14 User’s Reference GuideStatic configuration (optional)3. In the TCP/IP window or in the MacTCP/More window, select or type information into the fie

Setting up your Router with the SmartStart Wizard 3-15Dynamic configuration using MacIP (optional)If you want to use MacIP to dynamically assign IP a

3-16 User’s Reference GuideUsing Classic Networking (MacTCP)1. Go to the Apple Menu. Select Control Panels and then Network.2. In the Network window,

Monitoring with SmartView 4-1CCCChhhhaaaapppptttteeeerrrr 4444MMMMoooonnnniiiittttoooorrrriiiinnnngggg wwwwiiiitttthhhh SSSSmmmmaaaarrrrttt

4-2 User’s Reference GuideNavigating SmartViewYou access the SmartView monitor by launching your web browser and entering the URL:“http://router_IP_A

Monitoring with SmartView 4-3Connection Profiles pageThe Connection Profiles page displays the currently active Connection Profile, and any alternate p

Contents iii G Easy Setup Security... 7-6 Chapter 8 — WAN and System Configuration...

4-4 User’s Reference GuideDevice Event History pageWAN Event History page

Monitoring with SmartView 4-5Standard HTML Web-based monitoring pagesYou can also view Connection Profile information and Event Histories in the web-

4-6 User’s Reference Guide

Connecting Your Local Area Network 5-1CCCChhhhaaaapppptttteeeerrrr 5555CCCCoooonnnnnnnneeeeccccttttiiiinnnngggg YYYYoooouuuurrrr LLLLoooocc

5-2 User’s Reference GuideApplication software: This is the software you use to send e-mail, browse the World Wide Web, read newsgroups, etc. These a

Connecting Your Local Area Network 5-3Connecting to an Ethernet networkThe Netopia R2121 supports Ethernet connections through its eight Ethernet po

5-4 User’s Reference Guide10Base-TYou can connect a standard 10Base-T Ethernet network to the Netopia R2121 using any of its available Ethernet ports

Connecting Your Local Area Network 5-5 If you add devices connected through a hub, connect the hub to Ethernet port number 1 on the Netopia R2121 a

5-6 User’s Reference GuideFor pinout information on the HD-15 to DB-25 modem cable, see “Pinouts for Auxiliary Port Modem Cable,” in Appendix G, “Tec

Connecting Your Local Area Network 5-7Wiring guidelines for PhoneNET cablingNote: Make sure you do not connect your LocalTalk network to a Telco por

iv User’s Reference Guide Network Address Translation guidelines... 10-5IP setup...

5-8 User’s Reference Guide

PPPPaaaarrrrtttt IIIIIIII:::: AAAAddddvvvvaaaannnncccceeeedddd CCCCoooonnnnffffiiiigggguuuurrrraaaattttiiiioooonnnn

User’s Reference Guide

Console-based Management 6-1CCCChhhhaaaapppptttteeeerrrr 6666CCCCoooonnnnssssoooolllleeee----bbbbaaaasssseeeedddd MMMMaaaannnnaaaaggggeeeemmmm

6-2 User’s Reference Guideusing the router to connect to more than one service provider or remote site. The System Configuration menus display and pe

Console-based Management 6-3Configuring Telnet softwareIf you are configuring your router using a Telnet session, your computer must be running a Teln

6-4 User’s Reference GuideLaunch your terminal emulation software and configure the communications software for the following values. These are the de

Easy Setup 7-1CCCChhhhaaaapppptttteeeerrrr 7777EEEEaaaassssyyyy SSSSeeeettttuuuuppppThis chapter describes how to use the Easy Setup console s

7-2 User’s Reference GuideA screen similar to the following appears:If you do not see the Main Menu, verify that: the computer used to view the cons

Easy Setup 7-3Beginning Easy SetupTo begin Easy Setup, select Easy Setup in the Main Menu, then press Return.The Easy Setup Profile screen appears.Ea

Contents v G Chapter 13 — Monitoring Tools...13-1 Quick View status overview ...

7-4 User’s Reference GuideThe default address is 0.0.0.0, which allows for dynamic addressing, when your ISP assigns an address each time you connect

Easy Setup 7-51. Select Ethernet IP Address and enter the first IP address from the IP address range your ISP has given you. This will be the Netopia

7-6 User’s Reference Guide7. If IP Address Serving is On, select Number of Client IP Addresses. Then enter the number of available host addresses for

WAN and System Configuration 8-1CCCChhhhaaaapppptttteeeerrrr 8888WWWWAAAANNNN aaaannnndddd SSSSyyyysssstttteeeemmmm CCCCoooonnnnffffiiiig

8-2 User’s Reference GuideCreating a new Connection ProfileConnection Profiles define the telephone and networking protocols necessary for the router to

WAN and System Configuration 8-34. Toggle or enter any IP Parameters you require and return to the Add Connection Profile screen by pressing Escape. F

8-4 User’s Reference Guide7. Select Datalink Options and press Return. The Datalink Options screen appears.You can accept the defaults, or change the

WAN and System Configuration 8-5The Channel Usage pop-up menu allows you to choose how many lines your connections may use, and whether or not they a

8-6 User’s Reference Guide add an alternate number to use if the first number fails to connect change any of the default parameter settingsWhen you

WAN and System Configuration 8-7Select the connection profile you want to view or edit and press Return. The profile is displayed, and you can change a

vi User’s Reference Guide IPX packet filters... 14-23IPX packet filter sets ...

8-8 User’s Reference GuideSystem Configuration screens You can connect to the Netopia R2121’s System Configuration screens: Using Telnet with the Rout

WAN and System Configuration 8-92. Select the Network Protocols item in the System Configuration screen and press Return. 3. Select the IP Setup item

8-10 User’s Reference GuideTo access the System Configuration screens, select System Configuration in the Main Menu, then press Return.The System Config

WAN and System Configuration 8-11Network Protocols SetupThese screens allow you to configure your network’s use of the standard networking protocols:

8-12 User’s Reference Guide1. Select Current Date and enter the date in the appropriate format. Use one- or two-digit numbers for the month and day,

WAN and System Configuration 8-13SNMP (Simple Network Management Protocol)These screens allow you to monitor and configure your network by means of a

8-14 User’s Reference GuideBy default, all events are logged in the event history. By toggling each event descriptor either Yes or No, you can dete

WAN and System Configuration 8-15The following screen shows a sample syslog dump of WAN events:Nov 5 10:14:06 tsnext.farallon.com Link 1 down: PPP

8-16 User’s Reference Guide

Managing Voice and Data Calls 9-1CCCChhhhaaaapppptttteeeerrrr 9999MMMMaaaannnnaaaaggggiiiinnnngggg VVVVooooiiiicccceeee aaaannnndddd DDD

Contents vii G Uploading configuration files ... 15-12Restarting the system... 1

9-2 User’s Reference GuideSpecifying telephone connectionsYou can configure telephone connections in the WAN Configuration screen under the Main Menu.

Managing Voice and Data Calls 9-3require a prefix for an outside line. Enter the optional telephone or Directory Numbers for the two onboard modems

9-4 User’s Reference Guideinformation on how to use the optional AppleTalk feature set.Netopia R2121 back panelFor external modem applications, the D

Managing Voice and Data Calls 9-5If an incoming call is not required to match a connection profile, and fails to do so, it is accepted as a standard

9-6 User’s Reference GuideCNA works by checking the calling number that the Netopia Router receives during the initial setup phase of an incoming cal

Managing Voice and Data Calls 9-7Call acceptance scenariosThe following are a few common call acceptance scenarios and information on how to configur

9-8 User’s Reference GuideViewing scheduled connectionsTo display a table of view-only scheduled connections, select Display/Change Scheduled Connect

Managing Voice and Data Calls 9-9The other columns show: The time of day that the connection will Begin At The duration of the connection (HH:MM)

9-10 User’s Reference GuideOnly from the pop-up menu. The Schedule Type item directly below How Often allows you to set the type of schedule. Option

Managing Voice and Data Calls 9-111:3 (or 1:03) would be accepted as 3 minutes after one o’clock. The entry 7:0 (or 7:00) would be accepted as seven