Manuale d’uso / di manutenzione del prodotto D7171 SDSL del fabbricante Netopia
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Net opia ™ D-Series DSL DS Us D3100-I IDSL D3232 IDSL D7100 SDSL D7171 SDSL User’s Refer ence Guide.
C o p yright ©2000, Netopia, Inc., v .0300 All rights reser ved. Printed in the U.S.A. This manual and any associated ar twork, software, and product designs are copyrighted with all rights reser ved. Under the copyright laws such materials may not be copied, in whole or par t, without the prior written consent of Netopia, Inc.
G B Part I: Getting Started Chapter 1 — Introduction .......................................................... 1-9 Over view ....................................................................... 1-9 Features and capabilities .....................
iv User’ s Reference Guide Chapter 4 — Configuring TCP/IP ............................................. 4-25 Configuring TCP/IP on Windows 95, 98, or NT computers 4-26 Configuring TCP/IP on Macintosh computers .................. 4-28 Part II: Advanced Configuration Chapter 5 — Console-Based Management .
Contents v G Statistics & Logs ......................................................... 7-51 General Statistics .............................................. 7-51 Event histories ............................................................ 7-52 System Infor mation.
vi User’ s Reference Guide Chapter 9 — Utilities and Diagnostics ..................................... 9-89 Ping ............................................................................ 9-90 T race Route .......................................
Contents vii G Description................................................................ D-120 Power requir ements ......................................... D-120 Environment .................................................... D-120 Software and pr otocols .
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P P P P a a a a r r r r t t t t II I I : : : : G G G G e e e e t t t t t t t t ii i i n n n n g g g g S S S S t t t t a a a a r r r r t t t t e e e e d d d d.
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Introduction 1-11 C C C C h h h h a a a a p p p p t t t t e e e e r r r r 1 1 1 1 II I I n n n n t t t t r r r r o o o o d d d d u u u u c c c c t t t t ii i i o o o o n n n n O O O O v v v v e e e e .
1-12 User’ s Reference Guide F F F F e e e e a a a a t t t t u u u u r r r r e e e e s s s s a a a a n n n n d d d d c c c c a a a a p p p p a a a a b b b b ii i i ll l l ii i i t t t t ii i i e e e e s s s s The Netopia D-Series DSL DSUs all provide the following featur es: ■ Status lights (LEDs) for easy monitoring and troubleshooting.
Introduction 1-13 H H H H o o o o w w w w t t t t o o o o u u u u s s s s e e e e t t t t h h h h ii i i s s s s g g g g u u u u ii i i d d d d e e e e This guide is designed to be your single source for infor mation about your Netopia D-Series DSL DSU.
1-14 User’ s Reference Guide.
Making the Physical Connections 2-15 C C C C h h h h a a a a p p p p t t t t e e e e r r r r 2 2 2 2 M M M M a a a a k k k k ii i i n n n n g g g g t t t t h h h h e e e e P P P P h h h h y y y y s s .
2-16 User’ s Reference Guide Y ou will need: ■ A Windows 95-, 98-, 2000-, or NT–based PC or a Macintosh computer with Ethernet connectivity for configuring the Netopia D-Series. This may be built-in Ethernet or an add-on car d, with TCP/IP installed and configured.
Making the Physical Connections 2-17 2. Connect one end one of the RJ-45 cables to the Line 1 por t, and the other end to your SDSL or IDSL wall outlet. 3. Connect one end of one of the RJ-45 Ethernet cables to any of the Ether net por ts on the Netopia D-Series and the other end to your computer or to your network.
2-18 User’ s Reference Guide N N N N e e e e t t t t o o o o p p p p ii i i a a a a D D D D - - - - S S S S e e e e r r r r ii i i e e e e s s s s D D D D S S S S L L L L D D D D S S S S U U U U s s.
Making the Physical Connections 2-19 Data is transmitted or received on the WAN on Channel 2 5 or 11 flashes yellow . (D3232 only) Console cable is attached and has car rier 6 and 7 are green . Data is transmitted or received 6 and 7 flash yellow . Data is transmitted or received by the ether net controller 12 flashes yellow .
2-20 User’ s Reference Guide.
Connecting to Y our Local Ar ea Network 3-21 C C C C h h h h a a a a p p p p t t t t e e e e r r r r 3 3 3 3 C C C C o o o o n n n n n n n n e e e e c c c c t t t t ii i i n n n n g g g g t t t t o o .
3-22 User’ s Reference Guide In bridge mode the Netopia D-Series per for ms a simple algorithm. When the Netopia D-Series receives a packet on the Ethernet hub, the packet is examined for its destination Media Access Contr ol (MAC) address.
Connecting to Y our Local Ar ea Network 3-23 R R R R e e e e a a a a d d d d y y y y ii i i n n n n g g g g c c c c o o o o m m m m p p p p u u u u t t t t e e e e r r r r s s s s o o o o n n n n y y .
3-24 User’ s Reference Guide C C C C o o o o n n n n n n n n e e e e c c c c t t t t ii i i n n n n g g g g t t t t o o o o a a a a n n n n E E E E t t t t h h h h e e e e r r r r n n n n e e e e t t t t n n n n e e e e t t t t w w w w o o o o r r r r k k k k The Netopia D-Series suppor ts Ether net connections through its eight Ethernet por ts.
Connecting to Y our Local Ar ea Network 3-25 If you add devices connected through a hub, connect the hub to Ether net por t number 1 on the Netopia D-Series and set the Nor mal/Uplink switch to Uplink.
3-26 User’ s Reference Guide.
Configuring TCP/IP 4-27 C C C C h h h h a a a a p p p p t t t t e e e e r r r r 4 4 4 4 C C C C o o o o n n n n f f f f ii i i g g g g u u u u r r r r ii i i n n n n g g g g T T T T C C C C P P P P // / / II I I P P P P Computers on your network must have TCP/IP installed and configured.
4-28 User’ s Reference Guide C C C C o o o o n n n n f f f f ii i i g g g g u u u u r r r r ii i i n n n n g g g g T T T T C C C C P P P P // / / II I I P P P P o o o o n n n n W W W W ii i i n n n .
Configuring TCP/IP 4-29 4. Click OK in this window , and the next window . When pr ompted, reboot the computer . Note: Y ou can also use these instr uctions to configure other computers on your network with manual or static IP addresses. Be sur e each computer on your network has its own IP address.
4-30 User’ s Reference Guide C C C C o o o o n n n n f f f f ii i i g g g g u u u u r r r r ii i i n n n n g g g g T T T T C C C C P P P P // / / II I I P P P P o o o o n n n n M M M M a a a a c c c.
Configuring TCP/IP 4-31 4. Close the TCP/IP or MacTCP control panel and save the settings. 5. If you are using MacTCP , you must restar t the computer . If you are using Open T ranspor t, you do not need to restar t. These ar e the only fields you need to modify in this screen.
4-32 User’ s Reference Guide.
P P P P a a a a r r r r t t t t II I I II I I : : : : A A A A d d d d v v v v a a a a n n n n c c c c e e e e d d d d C C C C o o o o n n n n f f f f ii i i g g g g u u u u r r r r a a a a t t t t ii .
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Console-Based Management 5-35 C C C C h h h h a a a a p p p p t t t t e e e e r r r r 5 5 5 5 C C C C o o o o n n n n s s s s o o o o ll l l e e e e - - - - B B B B a a a a s s s s e e e e d d d d M M.
5-36 User’ s Reference Guide ■ Filter Sets (Firewalls). See “Security” on page 8-61 . ■ Date and time. See “Date and time” on page 6-43 . ■ Console configuration. See “Connecting a console cable to your Netopia D-Series” on page 5-36 .
Console-Based Management 5-37 T o connect the Netopia D-Series to your computer for serial console communication, use the supplied dual console cable connector end appropriate to your platfor m: ■ One DB-9 connector end attaches to a PC. ■ The mini-DIN8 connector end attaches to a Macintosh computer .
5-38 User’ s Reference Guide Alternatively , you can have a direct serial console cable connection using the provided console cable for your platfor m (PC or Macintosh) and the Console por t on the back of the Netopia D-Series.
W AN and System Configuration 6-39 C C C C h h h h a a a a p p p p t t t t e e e e r r r r 6 6 6 6 W W W W A A A A N N N N a a a a n n n n d d d d S S S S y y y y s s s s t t t t e e e e m m m m C C .
6-40 User’ s Reference Guide S S S S y y y y s s s s t t t t e e e e m m m m C C C C o o o o n n n n f f f f ii i i g g g g u u u u r r r r a a a a t t t t ii i i o o o o n n n n s s s s c c c c r r.
W AN and System Configuration 6-41 N N N N a a a a v v v v ii i i g g g g a a a a t t t t ii i i n n n n g g g g t t t t h h h h r r r r o o o o u u u u g g g g h h h h t t t t h h h h e e e e s s s .
6-42 User’ s Reference Guide M M M M a a a a n n n n a a a a g g g g e e e e m m m m e e e e n n n n t t t t II I I P P P P s s s s e e e e t t t t u u u u p p p p Consult your network administrator or Internet ser vice provider to obtain the IP setup infor mation such as the Ethernet IP addr ess, Ethernet subnet mask, default IP gateway .
W AN and System Configuration 6-43 F F F F ii i i ll l l t t t t e e e e r r r r s s s s e e e e t t t t s s s s When using the Netopia D-Series in bridge mode only , these screens allow you to configur e security on your network by means of filter sets.
6-44 User’ s Reference Guide Y ou can change the default ter minal communications parameters to suit your requir ements. T o go to the Console Configuration screen, select Console Configuration in the System Configuration screen. Follow these steps to change a parameter’s value: 1.
W AN and System Configuration 6-45 Y ou can configur e a UNIX-style syslog client for the PC to repor t a number of subsets of the events entered in the Netopia D-Series’s W AN Event Histor y . See “WAN Event Histor y” on page 7-55 .The Syslog client daemon program (for the PC only) is supplied as a .
6-46 User’ s Reference Guide The following screen shows a sample syslog dump of WAN events: D D D D S S S S L L L L B B B B o o o o n n n n d d d d ii i i n n n n g g g g ( ( ( ( ii i i M M M M u u .
W AN and System Configuration 6-47 same order in which they wer e transmitted, and the reconstr ucted packet is sent on to the recipient’s networking equipment.
6-48 User’ s Reference Guide The screen below shows the ISDN/IDSL option for the WAN to be configured on the D3100-I or D3232. The screen below shows the D7171’s SDSL option. These screens show the dual WAN inter faces as a single bonded inter face, and you configure them together by selecting (W an Module 1 and 2) Setup.
W AN and System Configuration 6-49 The Line Configuration screen appears, IDSL Line Configuration for the D3100-I or D3232, or SDSL Line Configuration for the D7100. or SDSL Line Configuration for the D7171. IDSL Line Configuration +----------+ +----------+ Clock Source.
6-50 User’ s Reference Guide ■ The Clock Source may be either Network or Inter nal. If you select Network (the default), the Netopia D-Series IDSL inter face functions in customer pr emise equipment (CPE) mode. This mode is the normal mode for communicating with an ISP .
Monitoring T ools 7-51 C C C C h h h h a a a a p p p p t t t t e e e e r r r r 7 7 7 7 M M M M o o o o n n n n ii i i t t t t o o o o r r r r ii i i n n n n g g g g T T T T o o o o o o o o ll l l s s s s This chapter discusses the Netopia D-Series’s device and network monitoring tools.
7-52 User’ s Reference Guide G G G G e e e e n n n n e e e e r r r r a a a a ll l l s s s s t t t t a a a a t t t t u u u u s s s s Current Date: The cur rent date; this can be set with the Date and Time utility (see “Date and time” on page 6-43 ).
Monitoring T ools 7-53 R: The letter “R” means the LED is red. G: The letter “G” means the LED is green. Y: The letter “Y” means the LED is yellow . The section “Netopia D-Series DSL DSU status lights” on page 2-18 describes the meanings of the colors for each LED.
7-54 User’ s Reference Guide P P P P h h h h y y y y s s s s ii i i c c c c a a a a ll l l II I I n n n n t t t t e e e e r r r r f f f f a a a a c c c c e e e e The top left side of the screen list.
Monitoring T ools 7-55 W W W W A A A A N N N N E E E E v v v v e e e e n n n n t t t t H H H H ii i i s s s s t t t t o o o o r r r r y y y y The W AN Event Histor y screen lists a total of 128 events on the WAN. The most recent events appear at the top.
7-56 User’ s Reference Guide D D D D e e e e v v v v ii i i c c c c e e e e E E E E v v v v e e e e n n n n t t t t H H H H ii i i s s s s t t t t o o o o r r r r y y y y The Device Event Histor y screen lists a total of 128 por t and system events, giving the time and date for each event, as well as a brief description.
Monitoring T ools 7-57 S S S S y y y y s s s s t t t t e e e e m m m m II I I n n n n f f f f o o o o r r r r m m m m a a a a t t t t ii i i o o o o n n n n The System Infor mation screen gives a summar y view of the general system level values in the Netopia D-Series DSL DSU.
7-58 User’ s Reference Guide T T T T h h h h e e e e S S S S N N N N M M M M P P P P S S S S e e e e t t t t u u u u p p p p s s s s c c c c r r r r e e e e e e e e n n n n From the Main Menu, select SNMP in the System Configuration screen and pr ess Return.
Monitoring T ools 7-59 By default, the read-only and r ead/write community strings are set to “public” and “private,” respectively . Y ou should change both of the default community strings to values known only to you and tr usted system adminis- trators.
7-60 User’ s Reference Guide S S S S e e e e t t t t t t t t ii i i n n n n g g g g t t t t h h h h e e e e II I I P P P P t t t t r r r r a a a a p p p p r r r r e e e e c c c c e e e e ii i i v v v v e e e e r r r r s s s s 1. Select Add IP Trap Receiver .
Security 8-61 C C C C h h h h a a a a p p p p t t t t e e e e r r r r 8 8 8 8 S S S S e e e e c c c c u u u u r r r r ii i i t t t t y y y y The Netopia D-Series provides a number of security featur es to help protect its configuration screens and your local network from unauthorized access.
8-62 User’ s Reference Guide T o set up user accounts, in the System Configuration screen select Security and press Retur n. The Security Options screen appears.
Security 8-63 T o add a new user account, select Add User in the Security Options screen and press Retur n. The Add Name With Write Access screen appears. Follow these steps to configure the new account: 1. Select Enter Name and enter a descriptive name (for example, the user’s first name).
8-64 User’ s Reference Guide T o restrict T elnet access to all of the configuration scr eens, select Enable T elnet Console Access and toggle it to No .
Security 8-65 F F F F ii i i ll l l t t t t e e e e r r r r p p p p r r r r ii i i o o o o r r r r ii i i t t t t y y y y Continuing the customs inspectors analogy , imagine the inspectors lined up to examine a package.
8-66 User’ s Reference Guide H H H H o o o o w w w w ii i i n n n n d d d d ii i i v v v v ii i i d d d d u u u u a a a a ll l l f f f f ii i i ll l l t t t t e e e e r r r r s s s s w w w w o o o o.
Security 8-67 By matching on a por t number , an IP filter can be applied to selected ser vices, such as T elnet, FTP , and World Wide Web. The tables below show a few common ser vices and their associated por t numbers.
8-68 User’ s Reference Guide O O O O t t t t h h h h e e e e r r r r f f f f ii i i ll l l t t t t e e e e r r r r a a a a t t t t t t t t r r r r ii i i b b b b u u u u t t t t e e e e s s s s There ar e three other attributes to each filter: ■ The filter’s order (i.
Security 8-69 Src. Por t: The source por t to match. This is the por t on the sending host that originated the packet. D. Por t: The destination por t to match. This is the por t on the r eceiving host for which the packet is intended. On?: Displays Ye s when the filter is in ef fect or No when it is not.
8-70 User’ s Reference Guide F F F F ii i i ll l l t t t t e e e e r r r r ii i i n n n n g g g g e e e e x x x x a a a a m m m m p p p p ll l l e e e e # # # # 2 2 2 2 Suppose a filter is configured to block all incoming IP packets with the sour ce IP address of 200.
Security 8-71 your network may be vulnerable. A A A A n n n n a a a a p p p p p p p p r r r r o o o o a a a a c c c c h h h h t t t t o o o o u u u u s s s s ii i i n n n n g g g g f f f f ii i i ll l.
8-72 User’ s Reference Guide This header infor mation is what the packet filter uses to make filtering decisions. It is impor tant to note that an IP packet filter does not look into the IP data stream (the User Data fr om above) to make filtering decisions.
Security 8-73 0 AND 0 = 0 0 AND 1 = 0 1 AND 0 = 0 1 AND 1 = 1 For example: Filter r ule: Deny IP: 163.176.1.15BINARY: 10100011.10110000.00000001.00001111 Mask: 255.255.255.255BINARY:11111111.11111111.11111111.11111111 Incoming Packet: IP 163.176.1.15BINARY: 10100011.
8-74 User’ s Reference Guide E E E E x x x x a a a a m m m m p p p p ll l l e e e e II I I P P P P F F F F ii i i ll l l t t t t e e e e r r r r s s s s e e e e t t t t s s s s c c c c r r r r e e e.
Security 8-75 E E E E x x x x a a a a m m m m p p p p ll l l e e e e II I I P P P P f f f f ii i i ll l l t t t t e e e e r r r r s s s s E E E E x x x x a a a a m m m m p p p p ll l l e e e e 1 1 1 1 Write a filter rule that blocks the class C subnet r epresented by 200.
8-76 User’ s Reference Guide This incoming IP packet (10000000) has a source IP addr ess that does not match the network address in the Source IP Addr ess field (00000000) in the Netopia D-Series. This r ule will for ward this packet because the packet does not match.
Security 8-77 Since the Source IP Network Addr ess in the Netopia D-Series’s filter r ule is 01100000 (=96 decimal), and the source IP addr ess after the logical AND is 01100000, this r ule does match and this packet will not be passed. E E E E x x x x a a a a m m m m p p p p ll l l e e e e 5 5 5 5 Incoming packet has the source addr ess of 200.
8-78 User’ s Reference Guide The procedur e for creating and maintaining filter sets is as follows: 1. Add a new filter set. 2. Create the filters for the new filter set. 3. View , change, or delete individual filters and filter sets. The following sections explain how to execute these steps.
Security 8-79 N N N N a a a a m m m m ii i i n n n n g g g g a a a a n n n n e e e e w w w w f f f f ii i i ll l l t t t t e e e e r r r r s s s s e e e e t t t t All new filter sets have a default name. The first filter set you add will be called Filter Set 1, the next filter will be Filter Set 2, and so on.
8-80 User’ s Reference Guide II I I n n n n p p p p u u u u t t t t a a a a n n n n d d d d o o o o u u u u t t t t p p p p u u u u t t t t f f f f ii i i ll l l t t t t e e e e r r r r s s s s — .
Security 8-81 The Display/Change Filter Set screen appears. T o add an input filter , select Add Input Filter to Filter Set . The Add Filter screen appears. (T o add an output filter , select Add Output Filter .) 1. T o make the filter active in the filter set, select Enabled and toggle it to Ye s .
8-82 User’ s Reference Guide 3. Select T ype . A popup menu of fers the option of either IP or Generic. If you choose IP , continue with the next step. If you choose Generic filtering, skip to the section “Generic filters” on page 8-86 . W arning: Changing the filter Type clears the filter values if any were previously enter ed.
Security 8-83 M M M M o o o o v v v v ii i i n n n n g g g g f f f f ii i i ll l l t t t t e e e e r r r r s s s s The Move Input/Output Filter per mits reordering of r ules in a filter set. All operations are done fr om a single popup. ■ In the Display/Change Filter Set screen, select Move Input Filter (or Move Output Filter ).
8-84 User’ s Reference Guide D D D D e e e e ll l l e e e e t t t t ii i i n n n n g g g g f f f f ii i i ll l l t t t t e e e e r r r r s s s s T o delete a filter , select Delete Input Filter or Delete Output Filter in the Add Filter Set screen to display a table of filters.
Security 8-85 M M M M o o o o d d d d ii i i f f f f y y y y ii i i n n n n g g g g f f f f ii i i ll l l t t t t e e e e r r r r s s s s e e e e t t t t s s s s T o modify a filter set, select Display/Change Filter Set in the Filter Sets screen to display a list of filter sets.
8-86 User’ s Reference Guide G G G G e e e e n n n n e e e e r r r r ii i i c c c c f f f f ii i i ll l l t t t t e e e e r r r r s s s s If you chose Generic filtering in step 3. on page 8-82 , the Add Filter screen changes as shown: Note: Generic filters are mor e complicated to use than IP filters.
Security 8-87 A A A A b b b b o o o o u u u u t t t t g g g g e e e e n n n n e e e e r r r r ii i i c c c c f f f f ii i i ll l l t t t t e e e e r r r r s s s s One of the more dif ficult aspects of writing Generic filter sets is deter mining how many bytes into the packet (the Of fset) the value you want to test is.
8-88 User’ s Reference Guide Note the Of fset is set to look at a value six bytes into the packet, the V alue is 0000C8E395000000 and the Mask is set to match only the hexidecimal digits we're inter ested in -- the ones that represent the MAC address.
Security 8-89 The following example fur ther illustrates filter r ule chaining, dif ferent sized masks and the full 8 bytes of the V alue field. Create a filter set designed to block telnet access fr om a given external node (the example below uses 176.
8-90 User’ s Reference Guide.
Utilities and Diagnostics 9-91 C C C C h h h h a a a a p p p p t t t t e e e e r r r r 9 9 9 9 U U U U t t t t ii i i ll l l ii i i t t t t ii i i e e e e s s s s a a a a n n n n d d d d D D D D ii i .
9-92 User’ s Reference Guide P P P P ii i i n n n n g g g g The Netopia D-Series includes a standard Ping test utility . A Ping test generates IP packets destined for a par ticular (Ping-capable) IP host. Each time the tar get host receives a Ping packet, it r eturns a packet to the original sender .
Utilities and Diagnostics 9-93 Status: The cur rent status of the Ping test. This item can display the status messages shown in the table below: Packets Out: The number of packets sent by the Ping test. Packets In: The number of retur n packets received from the tar get host.
9-94 User’ s Reference Guide Packets Lost: The number of packets unaccounted for , shown in total and as a percentage of total packets sent. This statistic may be updated during the Ping test, and may not be accurate until after the test is over .
Utilities and Diagnostics 9-95 4. Select Use Reverse DNS to learn the names of the r outers between the Netopia D-Series and the destination router . The default is Y es. 5. Select ST ART TRACE ROUTE and press Retur n. A scrolling screen will appear that lists the destination, number of hops, IP addresses of each hop, and DNS names, if selected.
9-96 User’ s Reference Guide D D D D ii i i s s s s c c c c o o o o n n n n n n n n e e e e c c c c t t t t T T T T e e e e ll l l n n n n e e e e t t t t c c c c o o o o n n n n s s s s o o o o ll .
Utilities and Diagnostics 9-97 The sections below describe how to update the Netopia D-Series’s fir mware and how to download and upload configuration files.
9-98 User’ s Reference Guide press Retur n. Y ou will see the following dialog box: ■ Select CANCEL to exit without downloading the file, or select CONTINUE to download the file. The system will reset at the end of the file transfer to put the new fir mware into ef fect.
Utilities and Diagnostics 9-99 ■ Select GET CONFIG FROM SERVER and press Retur n. Y ou will see the following dialog box: ■ Select CANCEL to exit without downloading the file, or select CONTINUE to download the file. The system will reset at the end of the file transfer to put the new configuration into ef fect.
9-100 User’ s Reference Guide U U U U p p p p d d d d a a a a t t t t ii i i n n n n g g g g f f f f ii i i r r r r m m m m w w w w a a a a r r r r e e e e Fir mware updates may be available periodically from Netopia or fr om a site maintained by your or ganization’s network administration.
Utilities and Diagnostics 9-101 The system will reset at the end of a successful file transfer to put the new fir mware into ef fect. While the system resets, the LEDs will blink on and of f. Caution! Do not manually power down or reset the Netopia D-Series while it is automatically r esetting or it could be damaged.
9-102 User’ s Reference Guide 2. Select Receive Config from Netopia and press Retur n. The following dialog box appears: 3. Select CANCEL to exit without uploading the file, or select CONTINUE to upload the file.
P P P P a a a a r r r r t t t t II I I II I I II I I : : : : A A A A p p p p p p p p e e e e n n n n d d d d ii i i x x x x e e e e s s s s.
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T roubleshooting A-105 A A A A p p p p p p p p e e e e n n n n d d d d ii i i x x x x A A A A T T T T r r r r o o o o u u u u b b b b ll l l e e e e s s s s h h h h o o o o o o o o t t t t ii i i n n n n g g g g This appendix is intended to help you troubleshoot pr oblems you may encounter while setting up and using the Netopia D-Series.
A-106 User’ s Reference Guide C C C C o o o o n n n n s s s s o o o o ll l l e e e e c c c c o o o o n n n n n n n n e e e e c c c c t t t t ii i i o o o o n n n n p p p p r r r r o o o o b b b b ll.
T roubleshooting A-107 H H H H o o o o w w w w t t t t o o o o r r r r e e e e s s s s e e e e t t t t t t t t h h h h e e e e N N N N e e e e t t t t o o o o p p p p ii i i a a a a D D D D - - - - S .
A-108 User’ s Reference Guide T T T T e e e e c c c c h h h h n n n n ii i i c c c c a a a a ll l l s s s s u u u u p p p p p p p p o o o o r r r r t t t t Netopia, Inc. is committed to providing its customers with r eliable products and documentation, backed by excellent technical suppor t.
T roubleshooting A-109 Netopia Bulletin Board Ser vice: 1 510-865-1321 O O O O n n n n ll l l ii i i n n n n e e e e p p p p r r r r o o o o d d d d u u u u c c c c t t t t ii i i n n n n f f f f o o .
A-110 User’ s Reference Guide.
Binary Conversion T able B-111 A A A A p p p p p p p p e e e e n n n n d d d d ii i i x x x x B B B B B B B B ii i i n n n n a a a a r r r r y y y y C C C C o o o o n n n n v v v v e e e e r r r r s s.
B-112 User’ s Reference Guide 23 10111 55 110111 87 1010111 119 1110111 24 11000 56 111000 88 1011000 120 1111000 25 11001 57 111001 89 1011001 121 1111001 26 11010 58 111010 90 1011010 122 1111010 .
Binary Conversion T able B-113 146 10010010 178 10110010 210 11010010 242 11110010 147 10010011 179 10110011 211 11010011 243 11110011 148 10010100 180 10110100 212 11010100 244 11110100 149 10010101 .
B-114 User’ s Reference Guide.
Further Reading C-115 A A A A p p p p p p p p e e e e n n n n d d d d ii i i x x x x C C C C F F F F u u u u r r r r t t t t h h h h e e e e r r r r R R R R e e e e a a a a d d d d ii i i n n n n g g g g Alexander , S. & R. Droms, DHCP Options and BOOTP V endor Extensions , RFC 2131, Silicon Graphics, Inc.
C-116 User’ s Reference Guide Garcia-Luna-Aceves, J.J. "Loop-Fr ee Routing Using Dif fusing Computations." Publication pending in IEEE/ACM T ransactions on Networking, V ol. 1, No. 1, 1993. Gar finkel, Simson. PGP: Pretty Good Privacy Sebastopol, CA: O’Reilly & Associates, 1991.
Further Reading C-117 Sidhu, G.S., R.F . Andrews, and A.B. Oppenheimer . Inside AppleT alk, 2nd ed. Reading, MA: Addison-Wesley Publishing Company , 1990. Siyan, Karanjit. Internet Fir ewall and Network Security Indianapolis, IN: New Riders Publishing, 1995.
C-118 User’ s Reference Guide.
T echnical Specifications and Safety Information D-119 A A A A p p p p p p p p e e e e n n n n d d d d ii i i x x x x D D D D T T T T e e e e c c c c h h h h n n n n ii i i c c c c a a a a ll l l S S.
D-120 User’ s Reference Guide HD-15 V .35 Pin 1 Pin A (not used) Pin 2 Pin B Signal Ground Pin 3 Pin C Request to Send Pin 4 Pin D Clear to Send Pin 5 Pin E Data Set Ready Pin 6 Pin F Data Car rier .
T echnical Specifications and Safety Information D-121 P P P P ii i i n n n n o o o o u u u u t t t t s s s s f f f f o o o o r r r r D D D D 3 3 3 3 2 2 2 2 3 3 3 3 2 2 2 2 S S S S p p p p ll l l ii.
D-122 User’ s Reference Guide D D D D e e e e s s s s c c c c r r r r ii i i p p p p t t t t ii i i o o o o n n n n Dimensions: 124.0 cm (w) x 20.0 cm (d) x 5.
T echnical Specifications and Safety Information D-123 R R R R e e e e g g g g u u u u ll l l a a a a t t t t o o o o r r r r y y y y n n n n o o o o t t t t ii i i c c c c e e e e s s s s Warning This is a Class A product.
D-124 User’ s Reference Guide Users should ensure for their own pr otection that the electrical ground connections of the power utility , telephone lines, and internal metallic water pipe system, if pr esent, are connected together . This precaution may be par ticularly impor tant in r ural areas.
Glossary-125 G G G G ll l l o o o o s s s s s s s s a a a a r r r r y y y y access line: A telephone line r eaching from the telephone company central of fice to a point usually on your premises. Beyond this point the wir e is considered inside wiring.
126 User’ s Reference Guide byte: A group of bits, nor mally eight, which repr esent one data character . CallerID: See CND. CCITT (Comite Consultatif International T elegraphique et T elephonique):.
Glossary-127 DTE (Data T erminal Equipment): T er m defined by standar ds committees, that applies to communications equipment, typically personal computers or data ter minals, as distinct from other devices that attach to the network, typically modems or printers (DCE).
128 User’ s Reference Guide internet: A set of networks connected together by r outers. This is a general term, not to be confused with the lar ge, multi-or ganizational collection of IP networks known as the Internet. An inter net is sometimes also known as an internetwork.
Glossary-129 network administrator: A person who coor dinates the design, installation, and management of a network. A network administrator is also responsible for tr oubleshooting and for adding new users to the network.
130 User’ s Reference Guide RJ-45: A telephone-industr y standar d connector type usually containing eight pins. router: A device that suppor ts network communications. A router can connect identical network types, such as LocalT alk-to-LocalT alk, or dissimilar network types, such as LocalT alk-to-Ethernet.
Glossary-131 TFTP (Trivial File T ransfer Protocol): A pr otocol used to transfer files between IP nodes. TFTP is often used to transfer fir mware and configuration infor mation from a UNIX computer acting as a TFTP ser ver to an IP networking device, such as the Netopia ISDN Router .
132 User’ s Reference Guide.
Index-133 II I I n n n n d d d d e e e e x x x x Numerics 10Base-T 24 10Base-T , connecting 24 A advanced configuration features 41 application software 23 B back panel 16 por ts 17 C capabilities 12.
Index-134 defined 64 deleting 84 disadvantages of 70 Generic 86 input 80 IP 66 modifying 83 output 80 using 71 , 77 viewing 83 fir mware files updating with TFTP 97 updating with XMODEM 100 fur the.
Index-135 Simple Network Management Protocol, see SNMP SNMP community strings 58 MIBs suppor ted 57 setup screen 58 traps 59 src. por t 69 statistics, W AN 53 suppor t technical 108 T TCP/IP stack 23 .
Index-136.
Limited Warranty and Limitation of Remedies-137 L L L L ii i i m m m m ii i i t t t t e e e e d d d d W W W W a a a a r r r r r r r r a a a a n n n n t t t t y y y y a a a a n n n n d d d d L L L L ii.
138 User’ s Reference Guide.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Netopia D7171 SDSL è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Netopia D7171 SDSL - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Netopia D7171 SDSL imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Netopia D7171 SDSL ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Netopia D7171 SDSL, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Netopia D7171 SDSL.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Netopia D7171 SDSL. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Netopia D7171 SDSL insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
