Netopia 4553 Manuale Utente

Netopia ™ 4553 G.SHDSL Router User’s Reference Guide

1-10 User’s Reference Guide How to use this guide In addition to the simple documentation contained in the accompanying Getting Started Guide , thi

9-100 User’s Reference Guide Select Map List Name and enter a descriptive name for this map list. A new menu item, Add Map, appears. Select Add Map

Multiple Network Address Translation 9-101 From the list of public ranges you defined, select the one that you want to map to the interior range for

9-102 User’s Reference GuideModifying map listsYou can make changes to an existing map list after you have created it. Since there may be more than o

Multiple Network Address Translation 9-103 Add Map allows you to add a new map to the map list. Show/Change Maps allows you to modify the individu

9-104 User’s Reference GuideAdding Server ListsServer lists, also known as Exports, are handled similarly to map lists. If you want to make a particu

Multiple Network Address Translation 9-105 Select Add Server and press Return. The Add NAT Server screen appears. Select Service and press Return.

9-106 User’s Reference Guide Enter the First and Last Port Number between ports 1 and 65535. Select OK and press Return. You will be returned to the

Multiple Network Address Translation 9-107Modifying server listsOnce a server list exists, you can select it for modification or deletion. Select Sh

9-108 User’s Reference Guide Selecting Show/Change Server or Delete Server displays the same pop-up menu.Select any server from the list and press R

Multiple Network Address Translation 9-109Deleting a serverTo delete a server from the list, select Delete Server from the Show/Change NAT Server Li

Making the Physical Connections 2-11CCCChhhhaaaapppptttteeeerrrr 2222MMMMaaaakkkkiiiinnnngggg tttthhhheeee PPPPhhhhyyyyssssiiiiccccaaaalll

9-110 User’s Reference GuideBinding Map Lists and Server ListsOnce you have created your map lists and server lists, for most Netopia Router models y

Multiple Network Address Translation 9-111 Select NAT Map List and press Return. A pop-up menu displays a list of your defined map lists. Select th

9-112 User’s Reference GuideIP Parameters (WAN Default Profile)The Netopia 4553 using RFC 1483 supports a WAN default profile that permits several para

Multiple Network Address Translation 9-113 Select NAT Map List and press Return. A pop-up menu displays a list of your defined map lists. Select th

9-114 User’s Reference GuideNAT AssociationsConfiguration of map and server lists alone is not sufficient to enable NAT for a WAN connection because ma

Multiple Network Address Translation 9-115keys. Select the item by pressing Return to display a pop-up menu of all of your configured lists. Select

9-116 User’s Reference GuideMultiNAT Configuration ExampleTo help you understand a typical MultiNAT configuration, this section describes an example of

Multiple Network Address Translation 9-117Enter your ISP-supplied values as shown below.Select NEXT SCREEN and press Return.Your IP values are shown

9-118 User’s Reference GuideSelect Show/Change Public Range, then Easy-PAT Range, and press Return. Enter the value your ISP assigned for your public

Multiple Network Address Translation 9-119Select ADD NAT PUBLIC RANGE and press Return. You are returned to the Network Address Translation screen.N

2-12 User’s Reference Guide You will need: A Windows 95 or 98–based PC or a Macintosh computer with Ethernet connectivity for configuring the Netop

9-120 User’s Reference GuideTo make these changes, first limit the range of remapped addresses on the Static Map and then edit the default server list

Virtual Private Networks (VPNs) 10-121CCCChhhhaaaapppptttteeeerrrr 11110000VVVViiiirrrrttttuuuuaaaallll PPPPrrrriiiivvvvaaaatttteeee NNNNee

10-122 User’s Reference GuideTunneling is a process of creating a private path between a remote user or private network and another private network o

Virtual Private Networks (VPNs) 10-123the receiving side, an IPsec-compliant device decrypts each packet. The Netopia 4553 supports the more secure

10-124 User’s Reference GuidePPTP configurationTo set up the router as a PPTP Network Server (PNS) capable of answering PPTP tunnel requests you must

Virtual Private Networks (VPNs) 10-125When you define a Connection Profile as using PPTP by selecting PPTP as the datalink encapsulation method, and t

10-126 User’s Reference GuideNote: The Netopia 4553 supports 128-bit (“strong”) encryption. Unlike MS-CHAP version 1, which supports one-way authenti

Virtual Private Networks (VPNs) 10-127The IP Profile Parameters screen appears. Enter the Remote IP Address and Remote IP Mask for the host to which

10-128 User’s Reference GuideThe Add Connection Profile screen appears. From the Data Link Encapsulation pop-up menu select IPsec. Then select Data

Virtual Private Networks (VPNs) 10-129 You must enter an Encryption Key if the Encryption Transform is DES. The key for DES must be a hexadecimal s

Making the Physical Connections 2-13 3. Connect the Ethernet cable to the Ethernet port on the router and the other end to your computer.You should

10-130 User’s Reference GuideIP Profile ParametersThe following IP Profile Options screen is displayed for an IPsec Connection Profile. You must specif

Virtual Private Networks (VPNs) 10-131Map Lists, Server Lists, and PAT addresses are described in detail in Chapter 9, “Multiple Network Address Tra

10-132 User’s Reference GuideIf you do not specify the Remote Tunnel Endpoint Address, the router will use the default gateway to reach the partner.

Virtual Private Networks (VPNs) 10-133When you define a Connection Profile as using ATMP by selecting ATMP as the datalink encapsulation method, and t

10-134 User’s Reference Guidethe gateway partner is reached. If you do not specify the ATMP Partner IP Address, the router will use the default gatew

Virtual Private Networks (VPNs) 10-135 Enter the Remote IP Address and Remote IP Mask for the host to which you want to tunnel.Encryption SupportEn

10-136 User’s Reference Guideand transparently. ATMP/PPTP Default ProfileThe WAN Configuration menu offers a ATMP/PPTP Default Profile option. Use this

Virtual Private Networks (VPNs) 10-137If you chose MS-CHAP authentication, the Data Compression option is not required, and this menu item becomes h

10-138 User’s Reference GuideDial-Up Networking for VPNMicrosoft Windows Dial-Up Networking software permits a remote standalone workstation to estab

Virtual Private Networks (VPNs) 10-139The Communications window appears.5. In the Communications window, select Dial-Up Networking and click the OK

2-14 User’s Reference Guide

10-140 User’s Reference GuideConfiguring a Dial-Up Networking profileOnce you have created your Dial-Up Networking profile, you configure it for TCP/IP n

Virtual Private Networks (VPNs) 10-1414. Click the TCP/IP Settings button. If your ISP uses dynamic IP addressing (DHCP), select the Server assign

10-142 User’s Reference GuideThis displays a list of possible selections for the communications option. Active components will have a check in the ch

Virtual Private Networks (VPNs) 10-143Connecting using Dial-Up NetworkingA Dial-Up Networking connection will be automatically launched whenever you

10-144 User’s Reference GuidePPTP exampleTo enable a firewall to allow PPTP traffic, you must provision the firewall to allow inbound and outbound TCP p

Virtual Private Networks (VPNs) 10-145In the Display/Change Filter Set screen select Display/Change Output Filter. Display/Change Output Filter scre

10-146 User’s Reference GuideSelect Output Filter 2 and press Return. In the Change Output Filter 2 screen, set the Protocol Type to allow GRE as sh

Virtual Private Networks (VPNs) 10-147Select Input Filter 1 and press Return. In the Change Input Filter 1 screen, set the Destination Port informa

10-148 User’s Reference GuideIn the Display/Change Filter Set screen select Display/Change Output Filter. Display/Change Output Filter screenSelect O

Virtual Private Networks (VPNs) 10-149 Change Output Filter 2 Enabled: Yes Fo

Sharing the Connection 3-15CCCChhhhaaaapppptttteeeerrrr 3333SSSShhhhaaaarrrriiiinnnngggg tttthhhheeee CCCCoooonnnnnnnneeeeccccttttiiiioooo

10-150 User’s Reference Guide

Security 11-151CCCChhhhaaaapppptttteeeerrrr 11111111SSSSeeeeccccuuuurrrriiiittttyyyyThe Netopia 4553 provides a number of security features to he

11-152 User’s Reference GuideOnce user accounts are created, users who attempt to access protected screens will be challenged. Users who enter an inc

Security 11-153To add a new user account, select Add User in the Security Options screen and press Return. The Add Name With Write Access screen app

11-154 User’s Reference GuideTo restrict Telnet access, select Security in the Advanced Configuration menu. The Security Options screen will appear. T

Security 11-155Each inspector has a specific task. One inspector’s task may be to examine the destination address of all outgoing packages. That insp

11-156 User’s Reference GuideIf the package does not match the first inspector’s criteria, it goes to the second inspector, and so on. You can see tha

Security 11-157Parts of a filterA filter consists of criteria based on packet attributes. A typical filter can match a packet on any one of the followi

11-158 User’s Reference GuidePort number comparisonsA filter can also use a comparison option to evaluate a packet’s source or destination port number

Security 11-159Putting the parts togetherWhen you display a filter set, its filters are displayed as rows in a table:The table’s columns correspond to

3-16 User’s Reference Guide Dynamic configuration (recommended) To configure your PC for dynamic addressing do the following: Note: You can also use

11-160 User’s Reference GuideFiltering example #1Returning to our filtering rule example from above (see page 11-156), look at how a rule is translate

Security 11-161This filter blocks any packets coming from a remote network with the IP network address 200.233.14.0. The 0 at the end of the address

11-162 User’s Reference GuideAn approach to using filtersThe ultimate goal of network security is to prevent unauthorized access to the network withou

Security 11-163To add a new filter set, select Add Filter Set in the Filter Sets screen and press Return. The Add Filter Set screen appears. Naming a

11-164 User’s Reference GuideAdding filters to a filter setThere are two kinds of filters you can add to a filter set: input and output. Input filters che

Security 11-165Note: There are two groups of items in this screen, one for input filters and one for output filters. In this section, you’ll learn ho

11-166 User’s Reference Guide5. Select Source IP Address Mask and enter a mask for the source IP address. This allows you to further modify the way t

Security 11-167Deleting filtersTo delete a filter, select Delete Input Filter or Delete Output Filter in the Display/Change Filter Set screen to displ

11-168 User’s Reference GuideBasic Firewall blocks undesirable traffic originating from the WAN (in most cases, the Internet), but forwards all traffic

Security 11-169Output filter 1: This filter forwards all outgoing traffic to make sure that no outgoing connections from the LAN are blocked.Basic Fire

Sharing the Connection 3-17Static configuration (optional)If you are manually configuring for a fixed or static IP address, perform the following:1. Go

11-170 User’s Reference GuideFTP sessions. To allow WAN-originated FTP sessions to a LAN-based FTP server with the IP address a.b.c.d (corresponding

Security 11-171Basic IP packet componentsAll IP packets contain the same basic header information, as follows:This header information is what the pa

11-172 User’s Reference GuideFirewall design rulesThere are two basic rules to firewall design: “What is not explicitly allowed is denied.”and “What

Security 11-173Logical AND functionWhen a packet is compared (in most cases) a logical AND function is performed. First the IP addresses and subnet

11-174 User’s Reference GuideExample filter set screenThis is an example of the Netopia filter set screen:Filter basicsIn the source or destination IP

Security 11-175Example networkExample filtersExample 1 Incoming packet has the source address of 200.1.1.28This incoming IP packet has a source IP ad

11-176 User’s Reference GuideExample 2 Incoming packet has the source address of 200.1.1.184.This incoming IP packet (10000000) has a source IP addre

Security 11-177Example 4Incoming packet has the source address of 200.1.1.104.Since the Source IP Network Address in the Netopia 4553 is 01100000, a

11-178 User’s Reference Guide

Monitoring Tools 12-179CCCChhhhaaaapppptttteeeerrrr 11112222MMMMoooonnnniiiittttoooorrrriiiinnnngggg TTTToooooooollllssssThis chapter discusse

3-18 User’s Reference Guide4. Click OK in this window and the next window. When prompted, reboot the computer.Note: You can also use these instructio

12-180 User’s Reference GuideGeneral statusCurrent Date: The current date; this can be set with the Date and Time utility (see “Date and time” on pag

Monitoring Tools 12-181Current statusThe current status section is a table showing the current status of the DSL connection. For example:Profile Name

12-182 User’s Reference GuideStatistics & LogsWhen you are troubleshooting your Netopia 4553, the Statistics & Logs screens provide insight i

Monitoring Tools 12-183WAN Event HistoryThe WAN Event History screen lists a total of 128 events on the WAN. The most recent events appear at the to

12-184 User’s Reference GuideIn the Statistics & Logs screen, select Device Event History. The Device Event History screen appears.If the event h

Monitoring Tools 12-185IP Routing TableThe IP routing table displays all of the IP routes currently known to the Netopia 4553.The routing table scre

12-186 User’s Reference GuidePhysical InterfaceThe top left side of the screen lists total packets received and total packets transmitted for the fol

Monitoring Tools 12-187Traffic StatisticsWhen ATM is the mode or Frame Relay is the datalink encapsulation, traffic statistics are available through t

12-188 User’s Reference GuideSNMPThe Netopia 4553 includes a Simple Network Management Protocol (SNMP) agent, allowing monitoring and configuration by

Monitoring Tools 12-1892. Select System Location and enter the router’s physical location (room, floor, building, etc.). 3. Select System Contact and

Sharing the Connection 3-19Configuring TCP/IP on Macintosh ComputersThe following is a quick guide to configuring TCP/IP for MacOS computers. Configuri

12-190 User’s Reference Guide A cold start trap is generated after the router is reset. An interface down trap (ifDown) is generated when one of th

Monitoring Tools 12-1912. Select an IP trap receiver from the table and press Return.3. In the Change IP Trap Receiver screen, edit the information

12-192 User’s Reference Guide

Utilities and Diagnostics 13-193CCCChhhhaaaapppptttteeeerrrr 11113333UUUUttttiiiilllliiiittttiiiieeeessss aaaannnndddd DDDDiiiiaaaaggggnnnn

13-194 User’s Reference GuidePingThe Netopia 4553 Router includes a standard Ping test utility. A Ping test generates IP packets destined for a parti

Utilities and Diagnostics 13-195Status: The current status of the Ping test. This item can display the status messages shown in the able below:Packe

13-196 User’s Reference GuidePackets Lost: The number of packets unaccounted for, shown in total and as a percentage of total packets sent. This sta

Utilities and Diagnostics 13-1974. Select Use Reverse DNS to learn the names of the routers between the Netopia Router and the destination router. T

13-198 User’s Reference GuideFactory defaultsYou can reset the Netopia 4553 to its factory default settings. In the Utilities & Diagnostics scree

Utilities and Diagnostics 13-199Updating firmwareFirmware updates may be available periodically from Netopia or from a site maintained by your organi

Copyright ©2001 Netopia, Inc., v.032101All rights reserved. Printed in the U.S.A.This manual and any associated artwork, software, and product design

3-20 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

13-200 User’s Reference Guideserver name or IP address is available from the site where the server is located. Select Config File Name and enter the

Utilities and Diagnostics 13-201Note: The X-Modem File Transfer screen is only available if you are connected via the Console port.Note: It is good

13-202 User’s Reference GuideIf you choose CONTINUE, you will have ten seconds to use your terminal emulation software to initiate an XMODEM transfer

Utilities and Diagnostics 13-203Uploading a file can also be useful for troubleshooting purposes. The uploaded configuration file can be tested on a di

13-204 User’s Reference Guide

Troubleshooting A-205AAAAppppppppeeeennnnddddiiiixxxx AAAATTTTrrrroooouuuubbbblllleeeesssshhhhoooooooottttiiiinnnnggggThis appendix is intended to

A-206 User’s Reference GuideConsole connection problemsCan’t see the configuration screens (nothing appears) Make sure the cable connection from the

Troubleshooting A-207How to reset the router to factory defaultsLose your password? This section shows how to reset the router so that you can access

A-208 User’s Reference GuideTechnical supportNetopia, Inc. is committed to providing its customers with reliable products and documentation, backed b

Troubleshooting A-209Online product informationProduct information can be found in the following:Netopia World Wide Web server via http://www.netopia

Sharing the Connection 3-21Note: You can also use these instructions to configure other computers on your network with manual or static IP addresses.

A-210 User’s Reference Guide

Technical Specifications and Safety Information B-211AAAAppppppppeeeennnnddddiiiixxxx BBBBTTTTeeeecccchhhhnnnniiiiccccaaaallll SSSSppppeeeecccci

B-212 User’s Reference GuideDecember 1, 2000 Canada – CSA: CAN/CSA-C22.2 No. 950-95EMI: FCC Part 15 Class BInternationalSafety Approvals: Low Volt

Technical Specifications and Safety Information B-213The telephone company may make changes in its technical operations and procedures; if such change

B-214 User’s Reference GuideCautionUsers should not attempt to make such connections themselves, but should contact the appropriate electric inspecti

Technical Specifications and Safety Information B-215Replace only with the same or equivalent type recommended by the manufacturer. Dispose of used ba

B-216 User’s Reference Guide

Limited Warranty and Limitation of Remedies 217LLLLiiiimmmmiiiitttteeeedddd WWWWaaaarrrrrrrraaaannnnttttyyyy aaaannnndddd LLLLiiiimmmmiiiitt

218 User’s Reference Guide

3-22 User’s Reference Guide

Connecting to Your Local Area Network 4-23CCCChhhhaaaapppptttteeeerrrr 4444CCCCoooonnnnnnnneeeeccccttttiiiinnnngggg ttttoooo YYYYoooouuuurr

4-24 User’s Reference GuideOnce the Netopia 4553 is properly configured and connected to your LAN, PC and Macintosh computers that have their required

Console-Based Management 5-25CCCChhhhaaaapppptttteeeerrrr 5555CCCCoooonnnnssssoooolllleeee----BBBBaaaasssseeeedddd MMMMaaaannnnaaaaggggeeeemmm

5-26 User’s Reference Guidemay be using the router to connect to more than one service provider or remote site. The System Configuration menus displa

Console-Based Management 5-27Configuring Telnet softwareIf you are configuring your router using a Telnet session, your computer must be running a Tel

5-28 User’s Reference GuideLaunch your terminal emulation software and configure the communications software for the values shown in the table below.

Easy Setup 6-29CCCChhhhaaaapppptttteeeerrrr 6666EEEEaaaassssyyyy SSSSeeeettttuuuuppppThis chapter describes how to use the Easy Setup console

GB Chapter 1 — Introduction...1-9 Overview ...

6-30 User’s Reference GuideA screen similar to the following Main Menu appears:If you do not see the Main Menu, verify that: If you are using a seri

Easy Setup 6-31The Main Menu appears.2. Select the first item on the Main Menu list, Easy Setup. Press Return to bring up the DSL Line Configuration m

6-32 User’s Reference Guide3. Select a Clock Source, either Network (the default) or Internal.If you are using an ATM-based Mode, the DSL Line Configu

Easy Setup 6-33If you selected Numbered, the following fields appear. Select the editable field labeled Local WAN IP Address.The default address is 0

6-34 User’s Reference Guide1. Select Ethernet IP Address and enter the first IP address from the IP address range your ISP has given you. This will be

Easy Setup 6-357. Toggle IP Address Serving to On or Off, depending on whether you want the device’s IP address server to supply dynamic IP addresse

6-36 User’s Reference GuideThe Router will restart and your configuration settings will be activated. You can then Exit or Quit your Telnet applicatio

WAN and System Configuration 7-37CCCChhhhaaaapppptttteeeerrrr 7777WWWWAAAANNNN aaaannnndddd SSSSyyyysssstttteeeemmmm CCCCoooonnnnffffiiii

7-38 User’s Reference Guide1. Select WAN DSL Mode and from the pop-up menu choose the type of DSLAM to which you will be connecting, either ATM or HD

WAN and System Configuration 7-39 Enter a name for the circuit in the Circuit Name field. Toggle Circuit Enabled to Yes. Enter the Virtual Path Ide

iv User’s Reference Guide Easy Setup Security Configuration ... 6-35 Chapter 7 — WAN and System Configuration ...

7-40 User’s Reference GuideCreating a new Connection ProfileFor a Netopia 4553, connection profiles are useful for configuring the connection and authen

WAN and System Configuration 7-413. Select Data Link Encapsulation and press Return. The pop-up menu offers the possible data link encapsulation meth

7-42 User’s Reference GuideToggle Auto-Detect DLCIs to Yes (the default) or No.Select the Multicast DLCI Number field and enter a value.5. You can edi

WAN and System Configuration 7-43The default profileIf you are using RFC1483 datalink encapsulation, the Default Profile screen controls whether or not

7-44 User’s Reference GuideThe Default Profile screen appears. You can set Must Match a Defined Profile item to Ye s or No (the default). This item co

WAN and System Configuration 7-45IP parameters (default profile) screenIf you are using RFC1483 datalink encapsulation, the IP Parameters (Default Pro

7-46 User’s Reference GuideViewing scheduled connectionsTo display a table of scheduled connections, select Display/Change Scheduled Connection in th

WAN and System Configuration 7-47The other columns show: The time of day that the connection will Begin At The duration of the connection (HH:MM)

7-48 User’s Reference Guidedemand call on the line. Demand-Allowed, meaning that this schedule will permit a demand call on the line. Demand-Blocke

WAN and System Configuration 7-49Set Once-Only ScheduleIf you set How Often to Once Only, select Set Once-Only Schedule and go to the Set Once-Only S

Contents v G Connection Profiles ... 8-87 Chapter 9 — Multiple Network Address Translation ...

7-50 User’s Reference GuideModifying a scheduled connectionTo modify a scheduled connection, select Display/Change Scheduled Connection in the Schedu

WAN and System Configuration 7-511. Select LMI Type (Link Management Type) and press Return. From the pop-up menu, highlight either ANSI (Annex D), C

7-52 User’s Reference Guideting defaults to 64000, but you may modify the capacity rate if this setting will not be applicable to you. The Default

WAN and System Configuration 7-53To go to the Frame Relay DLCI configuration screen, select Frame Relay DLCI Configuration in the WAN Configuration scre

7-54 User’s Reference GuideChanging a Frame Relay DLCI configurationTo modify a Frame Relay DLCI configuration, select Display/Change DLCIs in the Fram

WAN and System Configuration 7-55Adding a Frame Relay DLCI configurationTo add a new Frame Relay DLCI, select Add DLCI in the Frame Relay DLCI Configur

7-56 User’s Reference GuideIdentifier). The setting defaults to 64000, but you may modify the committed burst size by toggling the selection in the Us

WAN and System Configuration 7-57System configuration screens You can connect to the Netopia 4553’s system configuration screens in either of two ways:

7-58 User’s Reference Guide2. Select IP Setup and press Return. The IP Setup screen appears.To go back in this sequence of screens, use the Escape ke

WAN and System Configuration 7-59IP setupThese screens allow you to configure your network’s use of the IP networking protocol. Details are given in

vi User’s Reference Guide VPN QuickView ... 10-137Dial-Up Networking for VPN ...

7-60 User’s Reference Guide3. Select the Router’s time zone from the Time Zone pop-up menu and press Return.4. In the NTP Update Interval field, enter

WAN and System Configuration 7-61SecurityThese screens allow you to add users and define passwords on your network. Details are given in “Security” o

7-62 User’s Reference Guidecharacters. You can specify the UNIX syslog Facility to use by selecting the Facility pop-up. Erase the log by selecting

IP Setup 8-63CCCChhhhaaaapppptttteeeerrrr 8888IIIIPPPP SSSSeeeettttuuuuppppThe Netopia 4553 uses Internet Protocol (IP) to communicate both lo

8-64 User’s Reference GuideIP SetupThe IP Setup options screen is where you configure the Ethernet side of the Netopia 4553. The information you enter

IP Setup 8-65The Netopia 4553 supports multiple IP subnets on the Ethernet interface. You may want to configure multiple IP subnets to service more h

8-66 User’s Reference GuideIP subnetsThe IP Subnets screen allows you to configure up to eight Ethernet IP subnets on unlimited-user models, one “prim

IP Setup 8-67For example: To delete a configured subnet, set both the IP address and subnet mask values to 0.0.0.0, either explicitly or by clearing

8-68 User’s Reference GuideIf you have configured multiple Ethernet IP subnets, the IP Setup screen changes slightly:The IP address and Subnet mask it

IP Setup 8-69The Static Routes screen will appear.Viewing static routesTo display a view-only table of static routes, select Display/Change Static R

Contents vii G Chapter 12 — Monitoring Tools ...12-179 Quick View status overview ...

8-70 User’s Reference GuideSubnet Mask: The subnet mask associated with the destination network.Next Gateway: The IP address of the router that will

IP Setup 8-71information; Low means that the RIP information takes precedence over the static route. If the static route conflicts with a connection

8-72 User’s Reference GuideIP Address ServingIn addition to being a router, the Netopia 4553 is also an IP address server. There are three protocols

IP Setup 8-73Follow these steps to configure IP Address Serving: If you enabled IP Address Serving, then DHCP, BootP clients and Dynamic WAN clients

8-74 User’s Reference GuideIf you have configured multiple Ethernet IP subnets, the appearance of the IP Address Serving screen is altered slightly:Th

IP Setup 8-75IP Address PoolsThe IP Address Pools screen allows you to configure a separate IP address serving pool for each of up to eight configured

8-76 User’s Reference GuideNumerous factors influence the choice of served address. It is difficult to specify the address that will be served to a par

IP Setup 8-77DHCP NetBIOS OptionsIf your network uses NetBIOS, you can enable the Netopia 4553 to use DHCP to distribute NetBIOS information.NetBIOS

8-78 User’s Reference Guide From the NetBios Type pop-up menu, select the type of NetBIOS used on your network. To serve DHCP clients with the Net

IP Setup 8-79Select Release BootP Leases and press Return. Back in IP Address Serving, the Serve Dynamic WAN Clients toggleMore Address Serving Opt

viii User’s Reference Guide How to reset the router to factory defaults ... A-207Power outages...

8-80 User’s Reference GuideConfiguring the IP Address Server optionsTo access the enhanced DHCP server functions, from the Main Menu navigate to Stati

IP Setup 8-81You can select the entries in the Served IP Addresses screen. Use the up and down arrow keys to move the selection to one of the entrie

8-82 User’s Reference Guide Details… is displayed if the entry is associated with both a host name and a client identifier. Selecting Details… displa

IP Setup 8-83 Include is displayed if the entry is either excluded or declined. An IP address is marked declined when a client to whom the DHCP ser

8-84 User’s Reference GuideThe router’s Ethernet IP address(es) will be automatically excluded from the address serving pool(s) on startup. Entries i

IP Setup 8-85DDDDHHHHCCCCPPPP RRRReeeellllaaaayyyy AAAAggggeeeennnnttttThe Netopia 4553 offers DHCP Relay Agent functionality, as defined in RF

8-86 User’s Reference GuideSelect IP Address Serving and press Return. The IP Address Serving screen appears.Select IP Address Serving Mode. The pop-

IP Setup 8-87Note: The remote DHCP server(s) to which the Netopia Router is relaying DHCP requests must be capable of servicing relayed requests. No

8-88 User’s Reference Guide2. Toggle the Profile Enabled value to Ye s or No. The default is Yes.3. Select IP Profile Parameters and press Return. The

IP Setup 8-895. Select ADD PROFILE NOW and press Return. Your new connection profile will be added.If you want to view the connection profiles in your

Introduction 1-9CCCChhhhaaaapppptttteeeerrrr 1111IIIInnnnttttrrrroooodddduuuuccccttttiiiioooonnnn Overview The Netopia 4553 G.shdsl Router is a

8-90 User’s Reference Guide

Multiple Network Address Translation 9-91CCCChhhhaaaapppptttteeeerrrr 9999MMMMuuuullllttttiiiipppplllleeee NNNNeeeettttwwwwoooorrrrkkkk AAA

9-92 User’s Reference GuideThe following is a general description of these features:Port Address TranslationThe simplest form of classic Network Addr

Multiple Network Address Translation 9-93When addresses are returned to the group of available addresses, they are returned to the head of the group

9-94 User’s Reference GuideExterior addresses are allocated to internal hosts on a demand, or as-needed, basis and then made available when traffic fr

Multiple Network Address Translation 9-95In order to support this type of mapping, you define two address ranges. First, you define a public range whi

9-96 User’s Reference GuideEasy Setup Profile configurationThe screen below is an example. Depending on the type of router you are using, fields display

Multiple Network Address Translation 9-97You can configure a simple 1-to-many PAT (often referred to simply as NAT) mapping using Easy Setup. More co

9-98 User’s Reference GuideThe Network Address Translation screen appears.Public Range defines an external address range and indicates what type of ma

Multiple Network Address Translation 9-99The Add NAT Public Range screen appears. Select Range Name and give a descriptive name to this range. Sel