3Com 11.3 manuale d’uso

® http://www.3com.com/ New Installation for Enterprise OS Softwar e Version 11.3 Part No. 09-1550-001 Published May 1999[...]

ii 3Com Corporation 5400 Bayfront Plaza Santa Clara, California 95052-8145 Copyright © 1999, 3Com Corporation. All rights reserved. No part of this documentation may be r epr oduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without written permission from 3Com Corporation. [...]

iii C ONTENTS A BOUT T HIS G UIDE Introduction 5 How to Use This Guide 5 Conventions 6 Y ear 2000 Compliance 6 1 O VERVIEW NETBuilder II Systems 7 EZBuilt Preassembled NETBuilder II System 7 Component System 7 NETBuilder II Chassis DPE Module 7 Software 7 Installation Checklist 8 2 I NSTALLING S OFTWARE AND B OOTING A NETB UILDER II S YSTEM Install[...]

iv Full-Form Syntax 22 Abbreviated Syntax 22 Symbols 23 Full and Abbr eviated Syntax Examples 24 V ariations in Command Syntax 25 Entering Service Names in Command Lines 25 Determining the Display of Ports and Virtual Ports 25 Using Aliases 26 Command History Substitution 26 Privilege Level 27 Command-Line Parameter Attributes 27 Syntax for Assigni[...]

A BOUT T HIS G UIDE Introduction This guide describes how to get started with your new NETBuilder II ® bridge/router . It describes how to install Enterprise OS software and perform the initial system boot. It also explains how to access and use the command-line interface to establish basic settings. If you are upgrading softwar e from an earlier [...]

6 A BOUT T HIS G UIDE Conventions T able 1 and T able 2 list conventions that are used thr oughout this guide. Y ear 2000 Compliance For information on Y ear 2000 compliance and 3Com products, visit the 3Com Y ear 2000 Web page: http://www.3com.com/products/yr2000.html T able 1 Notice Icons Icon Notice Type Alerts you to... Information note Importa[...]

1 O VERVIEW This chapter is an overview of how to get started with your new NETBuilder II ® system. This chapter provides you with an installation checklist that describes the basic steps for starting a NETBuilder II system with a Dual Processor Engine (DPE) module. NETBuilder II Systems The NETBuilder II system consists of a 4-Slot, 8-Slot, or 8-[...]

8 C HAPTER 1: O VERVIEW Installation Checklist This section contains a checklist for installing software and booting a NETBuilder II system with a DPE module. Install System Software and Boot — See Chapter 2. Change the Primary Boot Source — See Chapter 3. Configure Basic Settings — See Chapter 4. Configure Specific Services for Y our Netw[...]

2 I NSTALLING S OFTWARE AND B OOTING A NETB UILDER II S YSTEM This chapter contains the following procedur es: ■ Installing and booting Enterprise OS software ■ Making a backup copy of the software flash memory car d Installing Software and Performing Initial Boot Enterprise OS software can be installed in the following ways: ■ From a flash[...]

10 C HAPTER 2: I NSTALLING S OFTWARE AND B OOTING A NETB UILDER II S YSTEM Booting a Component NETBuilder II System T o boot a component NETBuilder II system, follow these steps: 1 Insert a flash memory card with pr einstalled software in drive A on the DPE module. 2 T ur n on the NETBuilder II bridge/router . The NETBuilder II system boots from t[...]

Using the Backup Flash Card 11 2 Format the blank flash memory card in drive B by entering: FORMAT b: T ype Y for yes when the formatting confirmation message is displayed. 3 Create a dir ectory on the formatted flash memory card by entering: MakeDir b:primary 4 Copy the software fr om the Enterprise OS software flash memory car d in drive A t[...]

12 C HAPTER 2: I NSTALLING S OFTWARE AND B OOTING A NETB UILDER II S YSTEM 3 Reboot the NETBuilder II bridge/router by pr essing the two outer buttons on the LCD control panel. The system boots from the Enterprise OS softwar e flash memory card in drive A. 4 Make a copy of the flash memory card in drive A by following the steps in the previous pr[...]

3 C HANGING THE B OOT S OURCE This chapter describes how to change the primary boot source on a bridge/r outer or tunnel switch. The Enterprise OS software boot files for the main pr ocessor module are factory shipped with a:/primary/boot.29k as the default primary boot source for NETBuilder bridge/routers. If you have installed the Enterprise OS [...]

14 C HAPTER 3: C HANGING THE B OOT S OURCE For more information about the Boot Monitor utility , see the Firmware appendix in Reference for Enterprise OS Software . 2 T o enter the Boot Monitor utility , enter r: 3 Enter a boot path using: BT <drive>:/<path>/<filename> If you do not enter the <drive> value, drive A is used. [...]

Configuring the Primary Boot Source 15 4 At the Enterprise OS prompt, enter: SysconF 2 The Primary Boot Source menu is displayed: 5 Enter 1 to select a boot filename. Information similar to the following is displayed: Current Boot Filename: a:/primary/boot.29k Enter Boot Filename (CR = no change): 6 Enter a new boot filename (such as b:/primary/b[...]

16 C HAPTER 3: C HANGING THE B OOT S OURCE[...]

4 C ONFIGURING B ASIC S ETTINGS This chapter describes preliminary tasks for configuring basic bridge/r outer settings. Before you begin configuring ports and paths (described in Chapter 1 of Using Enterprise OS Software ), complete the following tasks: ■ Log on to the system. ■ Familiarize yourself with the user interface. ■ Learn how to g[...]

18 C HAPTER 4: C ONFIGURING B ASIC S ETTINGS 3 Log on as root: root 4 Press the Return key . Pressing the Return key when prompted for the password enters a null string, which is the default local password. Later in this chapter , you will be instructed on how to change the password. The bridge/router system pr ompt is displayed: Enterprise OS # Y [...]

Learning About the User Interfaces 19 Accessing the User Interface T o access the user interface or to modify the configuration of the bridge/router or tunnel switch, use one of the following methods: ■ Access the bridge/router commands locally thr ough the console port. ■ Establish an HTTP session with the bridge/router using the W eb Link ap[...]

20 C HAPTER 4: C ONFIGURING B ASIC S ETTINGS 5 Log in as root. T ype: root or admin 6 Click the OK button to enter a null string as the password, which is the default local password. The default Web Link page opens in the br owser window . Web Link Interface Description The Web Link application window has thr ee frames. All of the frames can be res[...]

Learning About the User Interfaces 21 The Main menu (Level 1) is displayed. Depending on your software package, the number of services in your Main menu may vary . 2 Select the service you want to use. For example, selecting 1 from the Main menu (Level 1) display generates a menu for the SYS Service. 3 Select the parameter you want to configure. F[...]

22 C HAPTER 4: C ONFIGURING B ASIC S ETTINGS The value part of the command specifies how you want the parameter to be set. V alues include numerics, strings, or addr esses, depending on the parameter . For additional information, see “Syntax for Assigning V alues” on page 28 . 2 After entering the complete command, press the Return key . The b[...]

Learning About the User Interfaces 23 Figure 2 Abbr eviated Syntax Additional syntax examples are pr ovided in “Full and Abbreviated Syntax Examples” on page 24 . Symbols Y ou may see a variety of symbols shown as part of the command syntax. These symbols usually explain how to enter the command, and you do not type them as part of the command [...]

24 C HAPTER 4: C ONFIGURING B ASIC S ETTINGS Full and Abbreviated Syntax Examples The following examples show the full form first, followed by the abbreviated command syntax. The full-form command syntax: ADD !<port> -NRIP AdvToNeighbor <network>%<mac address> [...] can be abbreviated to: ADD !<port> -NRIP ATN <network&g[...]

Learning About the User Interfaces 25 V ariations in Command Syntax Each command has its own syntax. When a command is used for configuring parameters, its syntax or values may change according to the parameter and service. For example, the SETDefault command sets the NetMapT ime parameter in the SYS Service and the MaxAge parameter in the STP Ser[...]

26 C HAPTER 4: C ONFIGURING B ASIC S ETTINGS Software . For more information about the Curr entPorts parameter , see Reference for Enterprise OS Software . The syntax convention for ports, virtual ports, and group ports is: !<port> For a port, <port> is a variable ID number , for example, !1. For a virtual port or group port, <port&g[...]

Learning About the User Interfaces 27 Privilege Level The privilege level determines which commands and parameters a user can access. The network manager must set the Network Manager password and the User password to be the same in or der to provide equal levels of security . If only the Network Manager password is set, any other user r eceives Use[...]

28 C HAPTER 4: C ONFIGURING B ASIC S ETTINGS Syntax for Assigning V alues Most parameters must be assigned a value of a particular type. T able 4 shows the possible types. The SET , SETDefault, and SYSgen commands requir e both parameter names and parameter values. The parameter name is followed by an equal sign (=) and a value. Spaces are permitte[...]

Learning About the User Interfaces 29 example, to include an apostrophe in string text, enter a backslash followed by an apostrophe ('). T o include a backslash () in string text, enter two backslashes (). The first backslash prevents the bridge/r outer from tr eating the second as a special character . When specifying AppleT alk zone str[...]

30 C HAPTER 4: C ONFIGURING B ASIC S ETTINGS The syntax variation for non-ISDN interfaces applies to local area network (LAN) and data terminal equipment (DTE) interfaces. Enterprise OS software menus and help strings do not display the syntax variation for ISDN interfaces. The variation in syntax is caused partially by the differ ent path-numberin[...]

Learning About the User Interfaces 31 Frame Relay Requires an addr ess called a Data Link Connection Identifier (DLCI). DLCIs are assigned by the appr opriate authority at subscription time. A DLCI follows an at sign (@) and can range from 1 thr ough 1022 decimal. The DLCI identifies a virtual circuit on the Frame Relay network, and is used by th[...]

32 C HAPTER 4: C ONFIGURING B ASIC S ETTINGS Network Layer Addresses ISDN An ISDN address is a phone number provided by your telecommunications carrier . It can include a dial prefix, country code, area code, and phone number . It can consist of a maximum of 30 characters. If you create a subaddr ess, you must separate the phone number and the sub[...]

Learning About the User Interfaces 33 T able 6 Internet Address Format Class Range of First Address Field Address Format A 0–127 nnn.hhh.hhh.hhh * * n represents a digit of the network number; h represents a digit of the host number. B 128–191 nnn.nnn.hhh.hhh * C 192–223 nnn.nnn.nnn.hhh * D 224–239 yyy.yyy.yyy † † Class D addresses are [...]

34 C HAPTER 4: C ONFIGURING B ASIC S ETTINGS Getting Help The user interface provides help menus as memory aids. T o display the help menu, enter a question mark (?). The question mark can be used with differ ent options as described in T able 7. Storing Configuration Parameter V alues Configuration parameters are stor ed in flash memory or on t[...]

Obtaining Network Manager Privilege Level 35 modifying it and see the new value, the new value has taken effect immediately . If a command changes only the default value, the new value takes effect only after reboot. In this guide, if the description does not specify when the new value of a parameter takes effect after being enabled or disabled, it[...]

36 C HAPTER 4: C ONFIGURING B ASIC S ETTINGS T o change the password, follow these steps: 1 At the Enterprise OS prompt (Enterprise OS #), enter: SysPassWord When a menu is displayed, Select 1, Set Network Manager Privilege Password. 2 Enter the new Network Manager password. Retype it when pr ompted to do so. Y ou are returned to the SysPassWor d m[...]

Assigning Internet Addresses 37 The system location can contain no more than 255 characters. The default value is “ “ (null string). 3 Specify a string that identifies the contact person managing the bridge/router or tunnel switch, using: SETDefault -SYS SysCONtact = “<string>” For example, to specify John Smith as the system contact[...]

38 C HAPTER 4: C ONFIGURING B ASIC S ETTINGS The following example illustrates how to assign an Internet address to a bridge. Example Figure 3 shows a configuration in which you need to assign an Internet address to a bridge. Hosts A and B are two hosts belonging to the same IP network, network 10. The IP host on Network A has an Internet address [...]

Assigning Internet Addresses 39 Figure 4 Assigning an IP Addr ess to a bridge/r outer Port For additional information on Internet addresses and subnet masks, see Using Enterprise OS Software . After assigning an Internet address or addresses to the bridge/router or tunnel switch, go to Chapter 1 in Using Enterprise OS Software. Obtaining an Interne[...]

40 C HAPTER 4: C ONFIGURING B ASIC S ETTINGS If you do not plan to be connected to the Internet, you can assign network addresses on your own. However , if you plan on accessing the Internet in the future, you may want to apply for an Internet network address so you will not have to change network addresses when you make the connection. After obtai[...]

NETBuilder Security 41 For example: ADD -SNMP COMmunity “public” TRiv RO AL1 4 Create a new manager with r ead/write access to the bridge/router or tunnel switch. For security reasons, limit the number of network management stations. For example: ADD -SNMP MANager “private” 129.213.224.1 255.255.0 5 Enable the SNMP service by entering: SETD[...]

42 C HAPTER 4: C ONFIGURING B ASIC S ETTINGS[...]

A T ECHNICAL S UPPORT 3Com provides easy access to technical support information thr ough a variety of services. This appendix describes these services. Information contained in this appendix is correct at time of publication. For the most recent information, 3Com r ecommends that you access the 3Com Corporation World Wide Web site. Online T echnic[...]

44 A PPENDIX A: T ECHNICAL S UPPORT Y ou do not need a user name and password with Web browser software such as Netscape Navigator and Internet Explorer . 3Com Bulletin Board Service The 3Com BBS contains patches, software, and drivers for 3Com pr oducts. This service is available through analog modem or digital modem (ISDN) 24 hours a day , 7 days[...]

Support from 3Com 45 Support from 3Com If you are unable to obtain assistance fr om the 3Com online technical r esources or from your network supplier , 3Com offers technical telephone support services. T o find out more about your support options, please the 3Com technical telephone support phone number at the location nearest you. When you conta[...]

46 A PPENDIX A: T ECHNICAL S UPPORT Retur ning Products for Repair Before you send a pr oduct directly to 3Com for r epair , you must first obtain an authorization number . Products sent to 3Com without authorization numbers will be returned to the sender unopened, at the sender’ s expense. T o obtain an authorization number , call or fax: 23 MA[...]

47 I NDEX Numerics 3Com bulletin board service (3Com BBS) 44 3Com URL 43 3ComFacts 44 A abbreviated command syntax 22 , 24 address formats media AppleT alk 32 Frame Relay 31 ISDN 32 MAC 30 SMDS 31 X.25 31 network layer DECnet 32 Internet 32 IP 32 IPX 33 OSI 33 VIP 33 XNS 34 addresses Internet, assigning to bridge/router 37 Internet, assigning to sw[...]

48 paths naming restrictions 29 using instance identifiers 29 ports naming restrictions 29 syntax conventions 26 using instance identifiers 29 privilege level changing 35 changing SNMP access to files 40 obtaining Network Manager 35 to access commands and parameters 27 Q question mark(?) help command 34 R ReBoot command 15 RemoteManager paramete[...]

3Com Corporation L IMITED W ARRANTY H ARDWARE 3Com warrants its hardware products to be free from defects in workmanship and materials, under normal use and service, for the following lengths of time from the date of purchase from 3Com or its authorized reseller: If a product does not operate as warranted above during the applicable warranty period[...]

USE, PERFORMANCE, FAILURE, OR INTERRUPTION OF ITS PRODUCTS, EVEN IF 3COM OR ITS AUTHORIZED RESELLER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES, AND LIMITS ITS LIABILITY TO REPAIR, REPLACEMENT, OR REFUND OF THE PURCHASE PRICE PAID, AT 3COM’S OPTION. THIS DISCLAIMER OF LIABILITY FOR DAMAGES WILL NOT BE AFFECTED IF ANY REMEDY PROVIDED HEREI[...]