Digi TS 2/4 manuale d’uso

9200030 7_B Digi One/ PortServe r TS 2/4 Configuration and A dministration Guid e[...]

The Digi logo is a trademark of Digi International. All other brand and product names are trademarks of their respective holders. © Digi Inte rnational I nc., 1998, 2000, 20 01, 2002. All R ights Res erved http://www .digi.com Information in thi s document is subject to change without notice and does not represent a commitment on the part of Digi [...]

i Cont ents Chapter 1 Intr oduc tion Setup Overview .................................................................................................... 1-2 About This Guide ................................................................................................. 1-3 About Entering Commands on the Command Line ..............................[...]

ii Chapter 8 Configuring PPP Configuring PPP Connections: Web Interface ..................................................... 8-2 Configuring Inbound PPP Connections: C ommand Line .................................... 8-3 Configuring Outbound PPP Connections: Command Line ................................. 8-5 Chapter 9 Configuring IP Routing Introd[...]

iii Chapter 17 Configuration Exampl es Terminal Server Configuration Without RealPort ............................................. 17-2 Terminal Server Configuration Using Autoconnection ..................................... 17-3 Terminal Server Configuration Using RealPort ................................................. 17-4 Chapter 18 Digi One[...]

iv[...]

Introductio n 1-1 Chapter 1 Int roduct ion In This Chapter This chapter provides a brief introduction on setting up yo ur Digi device. It discusses the follow ing topics: • Setup Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 • About This Guide . . . . . . . . . . . . . . . . . . .[...]

1-2 Setup Overview Setup Overview This section provides an overview of the s etup process. Step A: Plan Before beginning setup, consid er the following: • How to assign an IP addres s to the Digi device’ s Ethern et interface, which can be accomplished in a number o f ways. See "Configur ing the IP Address" on page 2-1. • How to con[...]

Introductio n 1-3 About This G uide Purpose This guide provides the foll owing: • Con figu rat ion a nd ad mini str atio n pr oced ures • Config uration exampl es Audience This manual is intended for the pers on responsible f or configuring and administering Digi One/PortServer T S 2/4. It assumes that this person has experien ce configuring ne[...]

1-4 Other Documents in the Li brary Other Documents in the Li brary Here is a list of the othe r documents in the library: Access Resource CD Card This card pro vides i nformation on the conten ts of the Access Resource CD. It includes the CD mounting ins tructions required to access the CD on many Unix systems. Digi On e/PortServer TS 2/4 S etup C[...]

Introductio n 1-5 About Configur ation Methods Use this sectio n to learn about co nfiguration methods. Configuring t he Digi One/PortServer TS 2/ 4 from an Attached T erminal W ith this method, you cable a terminal or PC running terminal emulation software to a Digi One/PortServer TS 2/ 4 port and then use the command line to enter commands. This [...]

1-6 Configura tion Prereq uisites Configuration Pr erequisites Accessing the Command Line from a Loc ally-Connected Terminal Use this pro cedure to access the co mmand line and the configura tion from a terminal connected to one of the Digi On e/PortServer TS 2/4’ s serial ports. 1. Connect a termina l or PC to a serial port on the Digi On e/Port[...]

Configur ing the IP Address 2-1 Chapt er 2 Conf igurin g the IP A ddress In This Chapter This chapter discusses how to configure Digi One/PortServer TS 2/4’ s IP address and other features associated with its Ethernet interface. It discusses the following topics: • Options for Configu ring the IP Address and Mask . . . . . . . . . . . . . . . .[...]

2-2 Options for C onfiguring the IP Address an d Mask Options for Configuring the IP Addr ess and Mask Options The Digi O ne/PortServer TS 2/ 4 IP address can be confi gured using the followin g methods: • W ith Digi Port A uthority-Remote, a Digi utility • By updating the ARP table on a server and then pi nging the Digi device (called Pin g-AR[...]

Configur ing the IP Address 2-3 Configuring the Ethernet In terface with DP A-Remote Use this sectio n to configure an initial IP address , subnet m ask, and default gatew ay using DP A- Remote. This procedure cannot be used to change the IP address, but only to assign the initial IP address. It also cannot be used if a DHCP server is active. Start[...]

2-4 Configuring the IP Address Usi ng Ping-ARP Configuring the IP Address Using Ping-ARP Use this section t o configure an I P address by manually updati ng a serve r ’s ARP table a nd then ping ing th e D igi devi ce. Starting Point This proced ure assumes the follo wing: • That your Digi device supp orts this feature. See "Devices That S[...]

Configur ing the IP Address 2-5 Configuring the Ethernet In terface from the Comma nd Line This section discusses how u se the command line to configu re an IP address, mask, and def ault gateway for Digi One/PortServer TS 2/4’ s Ethernet interface. Manual Configu ration Procedure 1. T o configure an I P address for the Et hernet interface, ent e[...]

2-6 Configuring a n IP Add ress using DHCP and RARP[...]

Configuring Ports for RealPort 3-1 Chapter 3 Confi guring Ports f or Re alPort In This Chapter This chapter describes how to configure Dig One/PortServer TS 2/4 for RealPort conn ections. It discusses the follo wing topics: • About RealPort . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 •[...]

3-2 About RealPort About RealPort This section provides a brief introdu ction to RealPort. What is RealPort ? RealPo rt is a feature that allows network-based h ost systems t o use the po rts of the D ig One/PortSe rver TS 2/4 as thou gh they were the host system’ s own ports, appearing and beh aving a s local ports to the network-b ased host. Re[...]

Configuring Ports for RealPort 3-3 Configuring Ports: Web Interface Use this pro cedure to configure a port fro m the web interface. 1. Access the web interface by enter ing the Dig One/PortServer TS 2/4 IP address in a bro wser ’ s URL window . 2. Log in to the Dig One/Po rtServer TS 2/4 as root. The defaul t password is dbps. 3. From the main m[...]

3-4 Configur ing Ports f or RealPort: Command Line Configuring Ports for RealPo rt: Command L ine This section descr ibes how to configur e RealPort ports from the comman d line. Procedure Use this procedure to u se the command line to co nfigure Dig O ne/PortServer TS 2/4 for RealPo rt. This procedure assume s that you have sig ned on as root and [...]

Configuring Ports for Pr inters 4-1 Chapter 4 Configuring Ports for Printers In This Chapter This chapt er describes how to confi gure Dig One/P ortServer TS 2/4 ports for p rinter connection s. It discusses the follo wing topics: • Configuration Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 • Co[...]

4-2 Conf iguration Co nsidera tions Configuration Consid erations Y ou should be aware of the fo llowing considerations if yo u intend to configu re Dig One/PortServer TS 2/ 4 to hand le pri nter s. Using RealPort RealPort , a feature that al lows network-b ased host s ystems to use the ports of the Dig One/PortServer TS 2/4 as though they were th [...]

Configuring Ports for Pr inters 4-3 T ips for telnet and rsh Printing Here are s ome t ips for h andling telnet and rsh printing: • If line feed and carriage return p roblems occ u r , try supplyin g a set line command that sp ecifies onlcr=on. This conver ts carriage returns to carriage r eturn/line feeds. • If you want tab characters (ASCII c[...]

4-4 Config uring Printer Connectio ns: Command Line set line range=2 baud=9600 csize=8 sto pb=1 parity=n set flow range=2 cts=on ixon=off ixoff =off[...]

Configuring Ports for Pr inters 4-5 Configuring a Port for Direct-Acces s Printing Direct access printing allows T elnet users on the LAN to access a port and to issue print command s directly to the printer . This section describes the two ways users can access a printer directly and expla ins h ow t o conf igu re th e por t to support each method[...]

4-6 Configuri ng a Por t for D irect-Acces s Pr inting[...]

Configur ing Ports for M odems 5-1 Chapter 5 Configurin g Ports for Modems In This Chapter This chapter descr ibes how to confi gure Digi One/PortSe rver TS 2/4 ports fo r modem connections. It discusses the foll owing topics: • T ips on Conf iguring A Modem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2 • Configu[...]

5-2 Tips on Co nfiguri ng A Modem Ti ps on Configur ing A Modem Here are some tips on configuring modems to work with Digi One/PortServer TS 2/4: • Configure the modem so that DC D goes high when it receives an incoming connection request. • Configure the mo dem to answer an incoming call only when DTR is high, an d to drop the line when DTR go[...]

Configur ing Ports for M odems 5-3 Configuring Ports for Modems: Web Interface Use this pro cedure to configure a port for a modem fr om the web interface. 1. Access the web interface by entering the Digi One/PortServer TS 2/4 IP addr ess in a browser ’ s URL window . 2. Log in to the Digi One/PortServer T S 2/4 as root. The defaul t password is [...]

5-4 Configur ing Ports for Outgoing/Bi -Directiona l Connec- Example In this example, ports 1 and 2 are set up for incoming modem connectio ns using R TS/CTS flow control. set ports range=1-2 dev=min set line range=1-2 baud=115200 set flow range=1-2 ixon=off ixoff=off cts=on rts=on Conf i gur i ng Por t s f or O ut goi ng/ Bi - D i r e ct i onal C [...]

Configu ring Ports for Term inals an d Computers 6-1 Chapter 6 Configuring Ports for T erminals and C omput ers In This Chapter This chapter descr ibes how to confi gure Digi One/PortSe rver TS 2/4 ports fo r terminal and computer connections. It discu sses the follow ing topics: • Configur ing Ports for T erminals: W eb In terface . . . . . . . [...]

6-2 Configur ing Ports for Terminal s: Web Interf ace Configuring Ports for T erminal s: Web Interface Use this pro cedure to configure a port fro m the web interface. 1. Access the web interface by entering the Digi One/PortServer TS 2/4 IP addr ess in a browser ’ s URL window . 2. Log in to the Digi One/PortServer T S 2/4 as root. The defaul t [...]

Configu ring Ports for Term inals an d Computers 6-3 • bps is the line speed • charact ers is the character size • pari ty is the parity sche me to use on this line • num-bits is the number of stop bits to use 3. If yo ur terminal uses hardware flow contro l, supply a set flow co mmand that specifies the f ol- lowing (software flow co ntrol[...]

6-4 About Comput er Connection s[...]

Configuring Autoconnectio n 7-1 Chapter 7 Conf igurin g Auto connec tion In This Chapter This Chapter discus ses how to configure the a utoconnection fe ature. It c overs the following topics: • About Autoconn ection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7- 2 • Configur ing a Port for Autoconnec[...]

7-2 About Autoconnection About Autoconnection The autoconnection feature allows you to configure a user to access the Digi One/PortServer TS 2/4 and then be automatically connected to a host on the LAN. You ca n implement autoconnectio n in the followin g ways: • By port. I n this case, all port us ers are automatically connected t o the same hos[...]

Configuring Autoconnectio n 7-3 Configuring a User for Autoconn ection: Web Interface 1. Access the web interface by entering the Digi One/PortServer TS 2/4 IP addr ess in a browser ’ s URL window . 2. Log in to the Digi One/PortServer T S 2/4 as root. The defaul t password is dbps. 3. Sele ct C onf igur e and t hen U sers fr om th e men u. 4. T [...]

7-4 Configur ing a User for Au toconnection: Comma nd Line[...]

Configuring PPP 8-1 Chapter 8 Configurin g PPP In This Chapter This chapter discu sses how to configure PPP connecti ons. It covers the followin g topics: • Configurin g PPP Connections: W eb Interf ace . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2 • Configur ing Inbound PPP Connections: Command Line . . . . . . . . . . . . . . . . . [...]

8-2 Configur ing PPP Co nnections: Web In terface Configuring PPP Conn ections: Web Interface Use this pro cedure to configure PPP conn ections from the web interface. 1. Access the web interface by placing the IP addr ess of the Digi d evice in the URL window of a brow ser . 2. Log in as the root us er . The default passwor d is dbps. 3. Navigate [...]

Configuring PPP 8-3 Configuring Inbound PPP Connections: Command Line Use this section to conf igure simp le inbound PPP co nnections from th e command line. For info rmation on fine-tunin g PPP conn ections, see the set user command in the Dig i O ne/PortServer TS Comman d Refer ence . Note: CHAP authentication works between tw o Digi devices. C H[...]

8-4 Configuri ng Inbound PPP Connect ions: Command L ine 7. T o configure an IP a ddress for the local end of the PPP connection, enter th e following com- mand: set user name= name localipaddr= ip-address where name is the us er ’ s name a nd ip-addr ess is the IP address to assign to the local end of the PPP connection. This address must be uni[...]

Configuring PPP 8-5 Configuring Outbound PPP Connections: Command Line This section descr ibes how to configur e outbound PPP connect ions. Use it to configu re outbou nd only connecti ons or to configur e the outbound portion of bidirectio nal connections. Note: CHAP authentication works between tw o Digi devices. C HAP will be negotiated to P AP [...]

8-6 Configuri ng Outboun d PPP Connection s: Comma nd Line set user name= name outgoing=on device= device where d evice is either the Digi-supplied device or the outboun d device created earlier in this pro- cedure Example: set user name=pppout outgoing=on device=gendialer 8. T o configure an IP a ddress for the local en d of the PPP connection, en[...]

Configuring IP Routing 9-1 Chapter 9 Confi gurin g IP Ro uting In This Chapter This chapter d escribes how to conf igure IP routing. It dis cusses t he following topics: • Introduction to Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2 • About RIP Ro uting Updates . . . . . . . . . . . . . . . .[...]

9-2 Introduc tion to Routing Introduction to Rou ting This sectio n provides some in troductory i nformation on rou ting. What is Routing Routing is the method, employed b y IP software, of choosing a path over which to send packets betw een sy stems on di fferen t phys ica l net work s. Wh en Di gi One /Por tServ er TS 2 /4 is config ur ed as a ro[...]

Configuring IP Routing 9-3 About RIP Routing Updates Introduct ion RIP defin es a method for propagat ing routing info rmation amon g routers. It provi des IP softwa re with the information needed to make intelligent routing decisions. The informat ion, passe d in RIP updat es packets from router- to-router , consists o f two items, a network I D a[...]

9-4 About RIP Routing Upd ates regarded R2 as an alternate path t o Net 1. The second is called “poison reverse,” which stipulates that r outes are advertised as unreachable on the interface on which the route is learned. Had poison reverse been used in th e preceding example, R2 would have advertis ed Net 1 as unr eachable in its RI P updates [...]

Configuring IP Routing 9-5 Configuring Static Routes This section descr ibes how to configur e Digi One/PortS erver TS 2/4 for static routes . Related I nformation See the set route command in the Digi One/PortServer TS Command Refer ence . Procedure T o configure a static route over a PPP link, enter the following command: set route net= addr mask[...]

9-6 Configuri ng Dynamic Ro utes Using RIP Configuring Dynamic R outes Using RIP This section descr ibes how to configur e Digi One/PortS erver TS 2/4 for dynamic routi ng. Related I nformation See the set forwarding command in the Digi O ne/ PortS erve r T S Com man d Re ference . Starting Point This procedure a ssumes that you have sign on as roo[...]

Configuring IP Routing 9-7 Configuring Proxy A RP This section descr ibes how to confi gure Digi One/Port Server TS 2/4 for Proxy A RP . Related I nformation See the set forwarding command in the Digi O ne/ PortS erve r T S Com man d Re ference . Starting Point This procedu re assumes that you have signed on as root and have or will configure mod e[...]

9-8 Configuring Proxy ARP[...]

Configu ring Cons ole Managemen t 10-1 Chapter 10 Conf igurin g Cons ole Managem ent In This Chapter • About Cons ole Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2 • Configur ing Console Managemen t: W eb Interface . . . . . . . . . . . . . . . . . . . . . 10-2 • Configur ing Console Managemen t: [...]

10-2 About Console Man agement Abo ut Co nsol e Ma nagem ent Digi One/PortServer TS 2 /4 can be configured to remotely manage networ k devices, such as routers , swit ches , and se rver s, w hich u sua lly pro vide EI A-23 2 se rial por ts for m anag ement . U sing th e D igi One/PortServer TS 2/4 and TCP/IP utiliti es like r everse T elnet and SSH[...]

Configu ring Cons ole Managemen t 10-3 where • name is the name of a user • host is either an IP address or DNS name of a ho st running TFTP • key is the name of a file that contains the DSA public k ey . If your host’ s implementation requires a complete path to the file, specify the path here as well. Example: set user name=secure loadkey[...]

10-4 Configuring Console Mana gement: Comm and Line[...]

Configu ring Modb us 11-1 Chapter 1 1 Configurin g Modbus In This Chapter • About Modbu s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11- 2 • Configur ing Modbus Using the W eb Interface . . . . . . . . . . . . . . . . . . . . . . . . . 1 1-3 • Configur ing Modbus from the Command Line . [...]

11-2 About Modbus About Modbus What Is Modbus Modbus is a p rotocol that defines a method for devices in an industrial a utomat ion enviro nme nt to communicate. It allows a single c ontrolling unit, called a protocol maste r, to manage one or more units, called protocol slaves . The protocol specifies that o nly the master may initiate communicati[...]

Configu ring Modb us 11-3 Configuring Modbus Usi ng the Web Interface 1. Access the Digi One/PortServer TS 2/4 from a web browser by entering the Digi One/PortServer TS 2/ 4 IP ad dress in t he URL win dow . 2. Sign on to the Digi On e/PortServer TS 2/ 4. 3. Choose Modb us from t he menu. 4. Fill in fiel ds as re quir ed. Us e the cont ext- sen sit[...]

11-4 Configuring Mo dbus from the Command Line Configuring Mod bus from the Command Li ne Use t his p roce du re to c onf igur e a D igi devi ce for Modbu s. Starting Point This procedure assumes that you have logged on to the Digi device as root. Procedure 1. T o ensure th at the line spe ed for the port is confi gured to match t he speed required[...]

Configu ring Modb us 11-5 • A Modbus protoco l unit number for each slave. This can be specifies in any of the following ways: (a) An indivi dual unit number . (b) A range of unit n umbers. (c) All, which means accept messages carrying any Modbus pr otocol unit number . • T imers as requ ired. T ypically the def aults work. If yo u require add [...]

11-6 Examples Example s Configuring Net work-Connected Masters Introdu ction Here are a few points regarding this conf iguration: • All timers for both masters and slaves are using defaults. • The rang e field on th e set modbus master command is an index nu mber that Digi One IA identi- fies these masters. The range fields on each of the set m[...]

Configuring Se curity Features 12-1 Chapter 12 Confi guring S ecurit y Fea tures In This Chapter This chapter describes Digi One/PortServer TS 2/4 security features and discusses how to configur e them. It presents the following to pics: • Contr olling Access to the Dig i One/PortSe rver TS 2/4 Configur ation . . . . . . 12-2 • Controlling Acce[...]

12-2 Controlling Access to the Digi One/PortServer TS 2/4 Con- Controlling Access to the Digi One/PortSe rver TS 2/4 Configuration Digi One/PortServer TS 2/4 restricts a ccess to the con figuration by d efining the following types of user s: • The root user , who has unlimited access to Digi One/PortServer TS 2/4 commands. He or she can view any [...]

Configuring Se curity Features 12-3 Controlling Access to Outbound Ports This section describes methods for controlling access to outbound serial ports. An outbound port is one defined o n the dev field of the se t ports comman d for one of t he following device types : • prn ( used to define pri nter connect ions) • mou t (us ed to de fin e ou[...]

12-4 Issuing Us er Pass words Issuing User Passwords This section discu sses how to iss ue user passwords . Related I nformation See the newpass and set user co mmands in the Digi O ne/PortSer ver TS Command Refer ence . Starting Point This procedure a ssumes that you have signed on as root an d already config ured the user to w hom you will be i s[...]

Configuring Se curity Features 12-5 Configuring SSH V ersion 2 for Secure Communi cation This sec tion dis cusse s ho w to conf igu re a user to use S SH vers ion 2 enc ryption. This feature is only available for the following devices. Password Protect ion T o configure simple password authenti cation for an SSH user , no SSH-specifi c configuratio[...]

12-6 Configuring SSH V ersion 2 for Secure Communicati on[...]

Configuring DNS 13-1 Chapter 13 Confi gurin g DNS In This Chapter This chapter discu sses how to configure Digi One/Port Server TS 2/4 to us e DNS. T opics dis cussed include the follo wing: • About the Domain Name System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13- 2 • Configur ation Procedures. . . . . . . . . . . [...]

13-2 About the Domain Name System About the Domain Name System This section discu sses key concepts of the domain name system. Purpose of DNS The domain name system maps do main names to information associated with these names, such as IP addresses. DNS Components DNS components include: • A distribu ted database consisting of domain names and as[...]

Configuring DNS 13-3 Configuration Pr ocedures Procedure for Usi ng a Name Server T o configure a DNS server , enter the following command: set config domain= domain myname= name d ns= ip-address where • doma in is the do main in wh ich the Digi One/PortS erver TS 2/4 will r eside • name is a DNS name for Digi One/PortServer TS 2/4 • ip-add r[...]

13-4 Configuration Pr ocedures[...]

Configuring SNMP 14-1 Chapter 14 Configuring SNMP In This Chapter This chapter describes how to configure the Digi One/Por tServer TS 2/4 SNMP agent. It discusses the followin g topics: • About SNMP and the Digi One/PortServ er TS 2/4 Agent . . . . . . . . . . . . . . . . 14-2 • Configur ation Procedure: W eb Interface . . . . . . . . . . . . .[...]

14-2 About SNMP and the D igi One/PortSer ver TS 2/ 4 Agent About SNMP and the Digi One/Po rtServer TS 2/4 Agent This secti on introd uces SNMP and networ k management in TCP/IP networks, and it d escribes t he Digi One/PortServer TS 2/4 agen t. It discusses the following: • Network man agement components • The SNMP agent •S N M P t r a p s ?[...]

Configuring SNMP 14-3 Configuration Pr ocedure: We b In terface 1. Access the web interface by entering the Digi One/PortServer TS 2/4 IP addr ess in a browser ’ s URL window . 2. Log in to the Digi One/PortServer T S 2/4 as root. The default pas sword is dbps, which should be changed. See the newpass comman d in the Digi One/PortS erver TS Comma[...]

14-4 Configurati on Procedu re: Command Li ne[...]

Configuring Users 15-1 Chapter 15 Confi gurin g User s In This Chapter This chapter discu sses how to configure users. It covers the followi ng topics: • About Conf iguring Users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15- 2 • Common User Featur es . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

15-2 About Configur ing Users About Configur ing Users Although it is not require d, the Digi One/PortServer TS 2/4 is often configured to accommodate the requirements of p articular users. T ypical configurable user attributes include the f ollowing: • Whether the user is required to supply a passwor d • Autoconnectio n attributes, such as the[...]

Configuring Users 15-3 Configuring a User: Web Interface Use this section to configure users with from the web interface. 1. Access the web interface by entering the Digi One/PortServer TS 2/4 IP addr ess in a browser ’ s URL window . 2. Log in to the Digi One/PortServer T S 2/4 as root. The defa ult password is dbps. 3. Sele ct C onf igur e and [...]

15-4 Configuring a User: Comman d Line Exampl es Configuring a User: Command Line Examples This section consists of a set of examples that tell yo u how to use the set user co mmand to configure various user attributes . Configuring a User for a Password In this example, the set us er command configures a new u ser . The newpass command then in iti[...]

Managing the OS and Configu ration 16-1 Chapter 16 Managing th e OS and Configu ration In This Chapter This chapter provi des information on upda ting the operating system (O S) and managing t he configurat ion. T opics includ e the following : • Upgrading th e OS (Firmware): W eb Interf ace . . . . . . . . . . . . . . . . . . . . . . . . . 16-2 [...]

16-2 Upgrading the OS (Fir mware): Web In terface Upgrading the OS (Firmware): Web Interfac e Use this section to upgrade the firmware using the web interface. 1. Access the web interface by entering the Digi One/PortServer TS 2/4 IP addr ess in a browser ’ s URL window . 2. Log in to the Digi One/PortServer T S 2/4 as root. The defaul t password[...]

Managing the OS and Configu ration 16-3 Upgrading the OS (Firmware): Command Line This section descr ibes how to upgrade the Digi One/P ortServer TS 2/4 op erating system (OS). The OS is stored in flash ROM and can be upgraded without changi ng the ROM or other hardware. Related I nformation See the boot and set co nfig commands in the Digi One/Por[...]

16-4 Co nfi gur ing D igi One /Por tSer ver T S 2/ 4 fr om a Rem ote Configuring Dig i One/PortS erver TS 2/4 from a R emote H ost This sectio n disc usses re mote con figura tio n, that is , configu ring Dig i One/P or tServ er TS 2/4 f rom a remote ho st and th en downlo ad ing the c onfigu ration file to Digi One/PortSer ver TS 2/4. When T o Use[...]

Managing the OS and Configu ration 16-5 Copying a Configur ation File from a Host to Digi One/ PortServer TS 2/4 This section describes how to copy th e configuration file from a host to Digi One/PortServe r TS 2/4 after the file h as been edited on the h ost. Related Info rmation See the cpconf command in the Digi One/Port Server TS Command Refer [...]

16-6 Res etting the Co nfiguration to D efaults Resetting the Configuration to Defaults Use this sect ion to learn ho w to use the revert command to reset the all or some of the configu ration factory or to the latest configuration stored in NVRAM. Note: Y ou c an als o use th e ran ge fie ld on t his c omma nd to defi ne a range of por ts with th [...]

Conf igur ati on Ex ample s 17-1 Chapter 17 Configuration Examples This chapter provides several simple, but complete, configur ation examples. If you find that the examples implement exactly the features needed for your network, simply copy them, making appropriate substitutio ns for site-specific informatio n such as IP addresses. Quite likely , [...]

17-2 Ter minal Server Co nfiguration Without RealPort T erminal Server Configurat ion Without RealPort In this configuration, Digi One/PortServer TS 2/4 functio ns as a terminal serv er , providing T elnet and Rlogin a ccess to hosts. This config uration enab les the following: • T elnet or Rlogin acces s to the LAN-based hosts, both from locally[...]

Conf igur ati on Ex ample s 17-3 T erminal Serv er Configuration Using Autoconnectio n This example shows a Digi One/PortServer TS 2/4 functioning as a term inal server implementing autoconnection. • The terminals are co nnected to au toconnect ports. Consequentl y, when a user presses a terminal key , an automatic connection to a host is made. ?[...]

17-4 Terminal Server Configurat ion Usin g RealPort T erminal Server Configurat ion Using RealPort In this example, the Digi One/PortServer TS 2/4 is sim ply providing ports for the LA N-based host using RealPort. The configuration is exceedingl y simple because port attr ibutes are configured on the host it self. Related I nformation For mor e inf[...]

Digi O ne/PortS erver TS 2 /4 Troubles hooting 18-1 Chapter 18 Dig i One/PortServer TS 2/4 T roublesh ooting In This Chapter • Symptom: Digi One/PortServer TS 2/4 Does Not Boot . . . . . . . . . . . . . . . . . 18-2 • Symptom: Cannot T elnet to the Digi One/PortServer TS 2/4 . . . . . . . . . . . . . 18-3 • Symptom: T rouble Accessing a Port [...]

18-2 Symptom: Digi One/ PortServer TS 2/4 Does N ot Boot Symptom: Digi One/ PortServer T S 2/4 Do es Not Bo ot Introdu ction Use the information pr ovided in this d iscussion when D igi One/PortServer TS 2/4 w ill not complete the boot cycle. Procedures Things to T ry See ... Check for hardware problems. • "Running D igi One/PortSe rver TS 2[...]

Digi O ne/PortS erver TS 2 /4 Troubles hooting 18-3 Symptom: Cannot T elnet to the Digi One/P ortServer TS 2/4 Introdu ction Use the inf ormation prov ided in this discuss ion to troublesh oot net work problem s. Assump tions This discu ssion assu mes that the Digi O ne/PortSer ver TS 2/4 itself is working, tha t is, t hat i t completes the boot cy[...]

18-4 Symptom: Trouble Accessing a Port Symptom: T rouble Accessing a Por t Introdu ction Use t his pro cedure i f you ar e having t rouble acces sing a Digi One/Port Server T S 2/4 po rt. The spec ific probl em m ight be th at you ca nnot lo gon f ro m a term inal or the pr int er or modem is not work ing p rop erl y . Assump tions This di scussion[...]

Digi O ne/PortS erver TS 2 /4 Troubles hooting 18-5 Key to Interpreting Dig i One/PortServer TS 2/4 LE Ds Here is a key t o inte rp reti ng Dig i On e/Po rtS erve r TS 2/ 4 LE Ds Procedure . V erifying TFTP on a UNIX System Use this procedure to verify that TFTP is working corr ectly on your UNIX host. Note: This procedure, which uses a TFTP trans [...]

18-6 Resetti ng Digi One/PortServer TS 2/4 Configuration to mkdir /tftpboot • If necessary , use this command to change permissions of th e directory to read, write and execute: chmod 777 /tftpboot • V erify t hat the file / tftpboot/tftp_file_ name exists and has read and execute permissio ns with th is command: ls -l /tftpboot/ tftp_file_name[...]

Digi O ne/PortS erver TS 2 /4 Troubles hooting 18-7 V e rifying the Digi On e/PortServer TS 2/4 IP Address Use this pro cedure to check the IP address on the Digi One/PortServer T S 2/4. 1. Connect a termina l to a Digi One/PortServer TS 2/4 po rt. 2. If t he port is still using the default con figuration, configure the term inal to use the followi[...]

18-8 Verifyin g the Network Cablin g V eri fying the Network Cabling Use this procedure t o troublesho ot networ k cabling probl ems. 1. Check the Ethernet cable. V erify the following: • The Ethernet cable is connected securely at both ends. • The Ethernet cable is pinned correctly . • The qu ality of the ca ble is su fficient for th e cable[...]

Digi O ne/PortS erver TS 2 /4 Troubles hooting 18-9 V erifying the RealPort Process Use one of these procedures to verify the R ealPort process: AIX: V erifying t he RealPort Process Use this topic to verify that the RealPor t daemon (proc ess) is r unning o n t he AIX sy ste m. 1. T ype the following: lsdev -Cc nts 2. If the sa devices are not in [...]

18-10 Verifying the RealPort Process Solaris: V erifying the RealPort Proc ess Use this topic for i nformation o n verifyin g that the RealPo rt process is r unning on a Solaris system . 1. T ype the following command: ps -ef|grep ncxd 2. If the information that appears is not correct, do th e following: a. Modify the /etc/ rc2.d/S26r ealport file [...]

Digi O ne/PortS erver TS 2 /4 Troubles hooting 18-11 Digi Contact Informati on Digi International 1 1001 Bren Road East Minnetonk a, MN 55343 U.S.A Customer Service and Supp ort W orld W ide W eb: h ttp://support.dig i.com email suppo rt@di gi.com T ele phone (U. S.) 1-800-344 -42 73 T ele phone (other loc ations (+011) 952- 912-34 44[...]

18-12 Dig i Contact Info rmation[...]