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Digi International Network Hardware TS 2/4 User's Manual

1. gt Connectware Digi One PortServer TS 2 4 Configuration and Administration Guide 92000307_B The Digi logo is a trademark of Digi International All other brand and product names are trademarks of their respective holders Digi International Inc 1998 2000 2001 2002 All Rights Reserved http www digi com Information in this document is subject to change without notice and does not represent a commitment on the part of Digi International Digi provides this document as is without warranty of any kind either expressed or implied including but not limited to the implied warranties of fitness or merchantability for a particular purpose Digi may make improvements and or changes in this manual or in the product s and or the program s described in this manual at any time This product could include technical inaccuracies or typographical errors Changes are periodically made to the information herein these changes may be incorporated in new editions of the publication Contents Chapter 1 Introduction PC TUS VET V Le Wasaga cae ss ttaadaaeate le aatersbeRueauan caus lan daansdetelsa dae etntecas care eatlena ds 1 2 About This Gudens e Mei Sel egal Si on Mea pe ces Adin idle 1 3 About Entering Commands on the Command Line cece eeseeeseceseeeeeeeeneees 1 3 S pported DS VI COS sec saccs csc te scab a E ates cath onesie E E ES 1 3 Other Documents in the Laan ys acses ses aces eno ces aaa eveveso
2. c Configure other port attributes as required by the attached device Exit to the main menu when you finish Configuring Modbus 11 3 Configuring Modbus from the Command Line Starting Point This procedure assumes that you have logged on to the Digi device as root Procedure Use this procedure to configure a Digi device for Modbus To ensure that the line speed for the port is configured to match the speed required by the attached device issue the following command set line range range baud bps csize 5 6 7 8 parity ole n stopb 1 2 where e range is a port or ports e bps is the line speed required e csize is the character size 5 6 7 or 8 bits e parity is odd 0 even e or none n Configure the port for Modbus by specify issuing the following command set ports range range dev modbus where range is a port or ports Configure a Modbus master by issuing a set modbus master command that specifies the follow ing e An index number on the range field to identify this master or set of masters Use an integer between 1 and 16 Example range 3 e Ifthe master or masters are located on the network an IP address or range of IP addresses Example of single IP address ip 143 191 3 117 Example of a range of addresses ip 143 191 3 117 143 191 3 122 e Ifthe master or masters are connected to a port or range of ports a port number or numbers on the port field Example of a single port port 1 Exampl
3. Chapter 13 Configuring DNS About the Domain Name Systemics 5ssc cio siec cess asec eciece ese Rea id esdendosoeteetactoes 13 2 Configuration Procedures si sscaccisccesesiosadacaned sccesseseaeesadelatacesedevousecs aancaved cetensseanes 13 3 Chapter 14 Configuring SNMP About SNMP and the Digi One PortServer TS 2 4 Agent esse eeeeeeeeee 14 2 Configuration Procedure Web Interface 0 ee eee eeceeeeeeereeceeeceeeeeseeenaeeneensees 14 3 Configuration Procedure Command Line cece eeeceeseecseceseceseeenaeenseeeeees 14 3 Chapter 15 Configuring Users About Configuring WI SeIsicie cet ccunscscesehisterceassaavadcsascanlarenialedceananensinaere 15 2 Common User Peatires scsi pack n a einen a a E AT 15 2 Configuring a User Web Interface vvessciovehieSaucecsensaysyandiansaesdparonnasdivebevsuateloanadins 15 3 Configuring a User Command Line Examples seesesseeeeesesereseereesrrsreseresressee 15 4 Chapter 16 Managing the OS and Configuration Upgrading the OS Firmware Web Interface eee eeesceesteceeseeeesteeeenaeeees 16 2 Upgrading the OS Firmware Command Line ceeesceeseeeesteeeenteeeeneeees 16 3 Configuring Digi One PortServer TS 2 4 from a Remote Host 16 4 Resetting the Configuration to Defaults eeeeseseeseeseseseeeeeserererrersrrsrrseresressese 16 6 Chapter 17 Configuration Examples Terminal Server Configuration Without RealPort 0 0 ce eeeeeeeeeeseeeneeeeeeeees 17 2 Terminal Server
4. e modbus Default Access The default for outbound ports is unlimited access Restricting Access to Outbound Ports Use the set auth command to restrict access to outbound ports See the description of the set auth command in the Digi One PortServer TS Command Reference for more information Controlling Access to the Digi One PortServer TS 2 4 Command Line This section describes how to restrict access to the Digi One PortServer TS 2 4 command line Method 1 Autoconnection The autoconnection feature allows you to configure a user to access the Digi One PortServer TS 2 4 but then be automatically connected to a host on the LAN You can implement autoconnection in the following ways e By port In this case all port users are automatically connected to the same host The Digi One PortServer TS 2 4 is completely transparent to them e By user In this case a user is required to login and may be required to supply a password but once the user is authenticated an automatic connection to a hosts made For information on configuring autoconnection see Configuring Autoconnection on page 7 1 Method 2 Menus Menus select destination systems without having to access the Digi One PortServer TS 2 4 command line For information on configuring menus see the description of the set menu command in the Digi One PortServer TS Command Reference Configuring Security Features 12 3 Issuing User Passwords This section discusses how to i
5. 38 15 cat myfile telnet 199 250 38 15 2002 User Command Example 2 In this example a user specifies a raw telnet connection on port 2 of a Dig One PortServer TS 2 4 using IP address 199 250 38 15 cat myfile telnet 199 250 38 15 2102 Method 1 Configuration There is no special configuration required to set up a port for this type of direct access Simply configure the port for a printer See Configuring Printer Connections Command Line on page 4 3 for more information Method 2 Using Alternate IP Addresses This method provides similar functions to method 1 except alternate IP addresses allow users to identify a specific port by simply specifying an IP address Method 2 Configuration To configure an alternate IP address do the following e Configure the port for a printer See Configuring Printer Connections Command Line on page 4 3 for more information e Supply a set altip command that specifies the following set altip group port number ip ip address where port number is the number of a Dig One PortServer TS 2 4 port ip address is the IP address of the Dig One PortServer TS 2 4 Command Line Example set ports range 2 dev prn set line range 2 baud 9600 csize 8 stopb 1 parity n set flow range 2 cts on rts on ixon off ixoff off set altip group 2 ip 199 250 38 17 Configuring Ports for Printers 4 5 4 6 Configuring a Port for Direct Access Printing Chapter 5 Configuring Ports for Modems In T
6. Access to the Digi One PortServer TS 2 4 Configuration Digi One PortServer TS 2 4 restricts access to the configuration by defining the following types of users e The root user who has unlimited access to Digi One PortServer TS 2 4 commands He or she can view any configuration table and change any configuration parameter The root is identified by the user name root and must supply a password to be authenticated The default root pass word is dbps You should change this password immediately e Regular users who have much more restricted access to Digi One PortServer TS 2 4 commands Regular users can view some configuration tables and can change some configuration parame ters related to their own sessions and passwords See the Digi One PortServer TS Command Ref erence for information on the limitations placed on regular users for each command Controlling Access to Inbound Ports This section describes methods of controlling access to inbound serial ports An inbound port is one defined on the dev field of the set ports command for one of the following device types e term used to define terminal connections e min used to define incoming modem connections e mio used to define bi directional modem connections e hdial hio used to define computer connections Default Access Restrictions The default configuration for inbound ports is that a login and password are required to access them Options for Removing Access Restrict
7. Configuration Using Autoconnection eeceeeeeseesteceeeeeees 17 3 Terminal Server Configuration Using RealPort 2 0 0 0 cece esseeseeceeeeneeeseeeaeenees 17 4 Chapter 18 Digi One PortServer TS 2 4 Troubleshooting Symptom Digi One PortServer TS 2 4 Does Not Boot ou eeceeeeeeeeereeeenees 18 2 Symptom Cannot Telnet to the Digi One PortServer TS 2 4 oo eee 18 3 Symptom Trouble Accessing a Port ccesscccseececssececssccecesccecnsceeenseceeeeeeees 18 4 Running Digi One PortServer TS 2 4 Customer Diagnostics eee eee 18 4 Key to Interpreting Digi One PortServer TS 2 4 LEDS eee eee eeteeeeeees 18 5 Verifying TFTP on a UNIX Systema tasciscsgenaee tuners vengeaias eiaeievaeeta ies 18 5 Troubleshooting TFTP Problems x cccases a6ccnsaadyecdsteqeedssoaeceteoeeasneateecaseesanes 18 5 Resetting Digi One PortServer TS 2 4 Configuration to Defaults 18 6 Verifying the Digi One PortServer TS 2 4 IP Address 18 7 Checking for Duplicate IP Addresses s cesesesseeeeecesseesseeeecensecceteneeeeteee 18 7 Pinging an TP Address ana a endl E E a Gaga ied 18 7 Verifying the Network abo yc nsGoi ions deaes bcdecgocansaeas seodses natte eee ecdscesernnees 18 8 Verifying the RealPort Process 2 es Aha ae el hele 18 9 Digi Contact Information seien a a E 18 11 iii iv Chapter 1 Introduction Introduction In This Chapter This chapter provides a brief introduction on setting up your Digi device It discusses the fo
8. a user do the following Choose Add User Enter a name and then choose Submit Choose the new user from the Name column Configure the user as required Choose Submit eae e To return to the main User menu choose User from the Menu again 15 3 Configuring a User Command Line Examples This section consists of a set of examples that tell you how to use the set user command to configure various user attributes Configuring a User for a Password In this example the set user command configures a new user The newpass command then initiates a dialog with the Digi One PortServer TS 2 4 to assign a password to the new user set user name jsmith newpass name jsmith Configuring a User for a Menu In this example the user is configured to use a menu which is identified by a menu table index number If the menu has not been configured the Digi One PortServer TS 2 4 will generate a warning message but the user will be configured to use the menu which can then be created later set user name jsmith defaultaccess menu menu 4 Configuring a User for Autoconnect In this example the user is configured to do the following e Automatically connect to the host identified on the autohost field e Connect using Telnet set user name jsmith autoconnect on defaultaccess autoconnect autohost 191 143 2 17 autoservice telnet Displaying an Entry in the User Table This example assumes that the user named jsmith has already been creat
9. across lines that charge by traffic volume or usage time Neither of these of course applies to LANs or leased lines Because of these cost considerations Digi One PortServer TS 2 4 lets you turn RIP off on some or all serial links Problem with RIP Slow Convergence Slow convergence is a problem that can arise from the method RIP uses to disseminate routing information In the preceding figure 1 R1 advertises that it can reach Net 1 in one hop 2 R2 then advertises that it can reach Net 1 in two hops 3 R3 then advertises that it can reach Net 1 in three hops What happens if R1 s link to Net 1 goes down First it realizes that its one hop route to Net 1 is no longer available But it hears that R2 can reach Net in two hops so it updates its routing table to say it can reach Net in three hops the one hop to R2 and the two hops R2 says it needs to reach Net l R1 then advertises that it can reach Net 1 in three hops R2 hears the advertisement and realizes that if R1 needs three hops to get to Net 1 then it needs to update its own routing tables to reflect that fact because it knows that its route to Net 1 is always one more hop than R1 requires Consequently it updates its routing tables to say that it can reach Net 1 in four hops This can go on until the hop count to Net 1 reaches 16 which RIP defines as an unreachable destination Combatting RIP s Slow Convergence Problem There are two methods to combat RIP s slow co
10. address c ippool which means that the user will be assigned an IP address from an IP address pool See the set ippool command in the Digi One PortServer TS Command Reference Example set user name pppin ipaddr ippool If you used the IP address pool option in the previous step specify the following subnetwork mask using the following command a mask of 255 255 255 255 is required set user ipmask 255 255 255 255 8 3 7 To configure an IP address for the local end of the PPP connection enter the following com mand set user name name localipaddr ip address where name is the user s name and ip address is the IP address to assign to the local end of the PPP connection This address must be unique That is no other user can be assigned this address and it cannot be the IP address for the Ethernet interface Example set user name pppin localipadr 199 1 1 2 Configuring Inbound PPP Connections Example This example shows a very simple PPP inbound configuration Here are some points on this configuration The port is set up for inbound connections dev min RTS and CTS are used for flow control The baud rate has been set to 115000 bps The user has been configured to use an IP address pool set ports range 3 device min set flow range 3 ixon off ixoff off rts on cts on set line range 3 baud 115000 set user name pppin protocol ppp netservice on defaultaccess netservice set user name pppin ipaddr ippool set u
11. and Modbus TCP There are two forms of the protocol Modbus the older of the two was designed to run over serial connections such as RS 232 links and designed to use one of two encoding schemes ASCII or RTU Modbus TCP is simply an adaptation of Modbus that provides for Modbus message encapsulation within IP datagrams enabling Modbus messages to run over TCP IP networks Digi s Support for Modbus and Modbus TCP Digi provides an extremely flexible implementation offering support for Modbus TCP Modbus with RTU encoding and Modbus with ACSII encoding The implementation allows any combination of these transport mechanisms Here are some examples of the configurations supported e A master or multiple masters using Modbus TCP communicates through the Digi device with a port attached slave or group of slaves using Modbus RTU A similar configuration allows the master to use Modbus TCP to communicate with a port attached slave using Modbus ASCII e A port connected master using Modbus RTU communicates with multiple network connected slaves each using Modbus TCP Configuration Methods Modbus can be configured using the web interface or the command line The web interface is extremely easy to use and works for many configurations More complex configurations may require the flexibility provided by the command line interface Key Modbus Configuration Considerations A key to ensuring that your Modbus configuration works as intende
12. astoiascssvcnscesateaaien neaskdes Sued ah to deaeadengecabeachesenee neaandene 9 3 Configuring Static ROWS sirsenis eieiei a 9 5 Configuring Dynamic Routes Using RIP esesesesseseesersresrersrssresrrsserseresreseeseresee 9 6 Groon i tatata r0 AR EE E E T T aaa dd ices aaa 9 7 Chapter 10 Configuring Console Management About Console Management esseesssseessesssessesseerseserssrereensrserssrensessnesessessess 10 2 Configuring Console Management Web Interface 0 0 0 eee eeeceseeeeneeeteeeeees 10 2 Configuring Console Management Command Line eee eeeeeeeeeneeeeeeeeees 10 2 Chapter 11 Configuring Modbus Abo t Modbus sarira ghee aa e a a ea aeaa aucsstaven N 11 2 Configuring Modbus Using the Web Interface ee ceeeeeeeeeneeeneeenneeeeees 11 3 Configuring Modbus from the Command Line ssssssessseesseeeseeeesseesseesseessesseee 11 4 Set I E EE E A E 11 6 Chapter 12 Configuring Security Features Controlling Access to the Digi One PortServer TS 2 4 Configuration 12 2 Controlling Access to Inbound Ports ccceescecseseceeeeeceeeeeceeeeeecsteeeeneeeenaeeees 12 2 Controlling Access to Outbound Ports cee cesceseeeeseecnseceseeeseeeeaeeesaeenseeees 12 3 Controlling Access to the Digi One PortServer TS 2 4 Command Line 12 3 Essuing User Pass worse ionene a a cts Scns oesueassecevesnsdesacetevon A venues 12 4 Configuring SSH Version 2 for Secure Communication ceeeeeeeseeeeeeeeeee 12 5
13. eee ee eee 18 5 e Resetting Digi One PortServer TS 2 4 Configuration to Defaults 18 6 e Verifying the Digi One PortServer TS 2 4 IP Address 18 7 e Checking for Duplicate IP Addresses 0 0 0 00 00000008 18 7 Pinging an IP Address 04 3 oe net dias dies bia wed alee oe bie de ea oe 18 7 e Verifying the Network Cabling 0 0 00 eee eee eee 18 8 e Verifying the RealPort Process 2 0 0 0 eee eee eee eee 18 9 e Digi Contact Information 0 0 eee eee eee ee 18 11 Digi One PortServer TS 2 4 Troubleshooting 18 1 Symptom Digi One PortServer TS 2 4 Does Not Boot Introduction Use the information provided in this discussion when Digi One PortServer TS 2 4 will not complete the boot cycle Procedures Things to Try See e Running Digi One PortServer TS 2 4 Customer Diagnostics on page 18 4 e Key to Interpreting Digi One PortServer TS 2 4 LEDs on page 18 5 e Verifying TFTP on a UNIX System on Check for hardware problems Check for TFTP problems if Digi s page 18 5 Pa alle Ukas Onn e Troubleshooting TFTP Problems on page 18 5 Resetting the device to configura Resetting Digi One PortServer TS 2 4 Con tion defaults figuration to Defaults on page 18 6 If you cannot resolve the problem contact Digi Digi Contact Information on page 18 11 18 2 Symptom Digi One PortServer TS 2 4 Does Not Boot Symptom Can
14. following e That the Digi One PortServer TS 2 4 itself is working that is that it completes the boot cycle If it is not see Symptom Digi One PortServer TS 2 4 Does Not Boot on page 18 2 e That the network is working This is a relevant consideration if the ports you are working with are RealPort ports and if all RealPort ports are not working The discussion in Symptom Can not Telnet to the Digi One PortServer TS 2 4 on page 18 3 goes through the steps of validating the network connection Procedures Things to Try See If this is a RealPort port and all ports are not working ensure that Verifying the RealPort the RealPort process is running Process on page 18 9 Verify Digi One PortServer TS 2 4 One PortServer TS 2 4 port settings Look under the set ports set line and set flow commands for more information Check the port configuration in the Digi Command Reference Verify the cabling to the peripheral See the Cable Guide for information Running Digi One PortServer TS 2 4 Customer Diagnostics Use this topic to run hardware diagnostic procedures to validate the Digi One PortServer TS 2 4 1 Connect a terminal to a Digi One PortServer TS 2 4 port 2 Configure the terminal to use the following settings VT 100 emulation 9600 baud 8 bit characters 1 stop bit No parity 3 Reboot the Digi One PortServer TS 2 4 4 While the LED is blinking press the v key 5 When t
15. in a browser s URL window 2 Log in to the Dig One PortServer TS 2 4 as root The default password is dbps 3 From the main menu choose Configure gt Ports 4 To configure a port do the following a Choose the port from the port column b Ensure that the Device Type is Printer c Make other changes to the configuration as required Use the online help for information d If you want to apply this configuration to multiple ports choose Clone select the ports for this configuration and then choose Continue e Choose Submit 5 To return to the main Ports menu choose Ports from the menu again Configuring Printer Connections Command Line This section describes how to configure Dig One PortServer TS 2 4 for printer connections Related Information Procedure Example See the set ports set line and set flow commands in the Digi One PortServer TS Command Reference This procedure assumes the following e That you are logged in as root e That you know printer attributes such as baud rate and parity 1 Configure the port for a printer by supplying the following command set ports dev prn range range where range is a range of ports Example set ports dev prn range 1 2 2 Configure line attributes with a set line command The attributes you configure depend on printer requirements See the set line command in the Digi One PortServer TS Command Refer ence to determine which set line command fields you requir
16. not appear do not reboot Digi One PortServer TS 2 4 The unit may become inoperative if you do call technical support for instruction on what to do next 4 If you want to confirm this operation reboot from the OS in flash ROM by entering the follow ing command boot action reset Managing the OS and Configuration 16 3 Configuring Digi One PortServer TS 2 4 from a Remote Host This section discusses remote configuration that is configuring Digi One PortServer TS 2 4 from a remote host and then downloading the configuration file to Digi One PortServer TS 2 4 When To Use Remote Configuration Typically you use remote configuration when you have several Digi One PortServer TS 2 4s with similar configurations and want to keep a master configuration on a remote host from which you can easily create variations for downloading to individual Digi One PortServer TS 2 4s Rules for Editing a Configuration file Here are some rules for editing a configuration file on a remote host e Edit the file with any text editor e Each line of the file must start with a set command such as set user or set line In other words do not let commands wrap to the next line if your editor supports this function Copying the Configuration File to a Host This section describes how to copy the Digi One PortServer TS 2 4 configuration file to a remote host for editing Related Information See the cpconf command in the Digi One PortServer TS Command R
17. such as its IP address e Domain name resolvers that Accept requests from users Satisfy information requests by building and submitting properly formulated queries to one or more name servers or by retrieving information from a local host file Return information to users Cache information for future use Types of Name Servers There are two types of name servers in the domain name system e Local servers maintain information for resources within a local zone It is up to individual net work administrators to determine the scope of a local zone e Root servers maintain information in higher level domains than do local servers Typically when a user requires information about a domain name the resolver queries a local server If local servers cannot provide the information root servers are queried next Naming Conventions Each node in the domain name system has a globally unique domain name that consists of its own name which is called a label and the labels of all superior nodes DNS Name Example Here is an example of a domain name Note that labels are separated by periods mn07 amalgamated com In this example mn07 is part of the higher level domain called amalgamated com 13 2 About the Domain Name System Configuration Procedures Procedure for Using a Name Server To configure a DNS server enter the following command set config domain domain myname name dns ip address where e domain is the domain i
18. term set line range 1 2 baud 9600 set flow range 1 2 ixon on ixoff on 2 set ports range 3 4 dev mio set line range 3 4 baud 115200 set flow range 3 4 ixon off ixoff off rts on cts on 3 set user name userl 4 Configuration Notes 1 The set config command configures the IP address and mask for the Digi One PortServer TS 2 4 Ethernet interface 2 The first set ports set line and set flow commands configure ports 1 and 2 for terminal connec tions 3 The next set ports set line and set flow commands configure the ports for bidirectional modems Software flow control the default is explicitly shut off and hardware flow control turned on using the set flow command 4 The set user command defines a user which assigns a user name for login purposes All Digi One PortServer TS 2 4 users can login with this name 17 2 Terminal Server Configuration Without RealPort Terminal Server Configuration Using Autoconnection This example shows a Digi One PortServer TS 2 4 functioning as a terminal server implementing autoconnection e The terminals are connected to autoconnect ports Consequently when a user presses a terminal key an automatic connection to a host is made e The modem ports are not configured for autoconnection but a port user is which means that as soon as this particular user supplies a login an automatic connection to a host is made Related Information For more information on configuring e The E
19. the set auth command set ports dev prn range 1 2 set line baud 19200 range 1 2 set auth login 1 2 range 2 set altip group 1 ip 119 180 33 50 set altip group 2 ip 119 180 33 51 User Command In this example a user Telnets to port 1 using an IP address He she will be required to log in before access to the port is granted telnet 119 180 33 50 Configuring Console Management 10 3 10 4 Configuring Console Management Command Line Chapter 11 Configuring Modbus In This Chapter About Modbus seirg ie e tue Sea a oe Sede D E Gye vines 11 2 e Configuring Modbus Using the Web Interface 0 00 11 3 e Configuring Modbus from the Command Line 11 4 s Examples ia eneee oe ea eee ee el et a eh 11 6 Configuring Modbus 11 1 About Modbus What Is Modbus Modbus is a protocol that defines a method for devices in an industrial automation environment to communicate It allows a single controlling unit called a protocol master to manage one or more units called protocol slaves The protocol specifies that only the master may initiate communication Slaves may only respond The protocol defines the structure of Modbus messages determines how the master requests information from the slave or specifies an action for the slave to take defines how the slave is to respond specifies addressing conventions and deals with many of the other details required for communication to occur Modbus
20. where name is the user s name and ip address is one of the following e 0 0 0 0 which means that the user will request an IP address from the remote server e A specific IP address which means that the Digi device will attempt to use this IP address The remote server must agree to this request Example set user name pppout localipadr 0 0 0 0 To configure a telephone number to dial to reach the outbound user enter the following com mand set user name name nl telephone number where name is the user s name and telephone number is the number to dial to reach the user You can enter this number as digits only with dashes separating digits or with commas Example set user name pppout n1 4452624 This example shows a very simple outbound PPP configuration Here are some points on this configuration The port is set up for outbound connections dev mout Hardware flow control is used Default device and scripts are used set ports range 3 device mout set flow range 3 ixon off ixoff off rts on cts on set line range 3 baud 115000 set user name pppout protocol ppp set user name pppout dialout on outgoing on device gendialer set user name pppout localipadr 0 0 0 0 set user name pppout n1 4452624 Configuring Outbound PPP Connections Command Line Chapter 9 Configuring IP Routing In This Chapter This chapter describes how to configure IP routing It discusses the following topics Configuring IP Routin
21. you do not want to use the Digi supplied dialer script called genmdm and login script called loginscript which work for most applications use the Script Menuto create a new script Note Login scripts are seldom required Use them when you are configuring Digi device to Digi Device connections and the Digi device that is to be accessed requires the user to supply a password and does not use RADIUS 3 Ifyou do not want to use the Digi supplied dialer device called gendialer which works for most applications use the Device Menuto configure a device 4 Configure a PPP user with the User Menu Use the context sensitive online help for information on configuration fields Submit 4 Use the web interface and the online help to complete configuration tasks 8 2 Configuring PPP Connections Web Interface Configuring Inbound PPP Connections Command Line Use this section to configure simple inbound PPP connections from the command line For information on fine tuning PPP connections see the set user command in the Digi One PortServer TS Command Reference Procedure Configuring PPP Note CHAP authentication works between two Digi devices CHAP will be negotiated to PAP for all other connections To configure the port for a modem enter the following command set ports range range dev device where range is the port or ports and device is one of the following e min for inbound only modem connections e mio for bidirecti
22. 1 Access the web interface by entering the Digi One PortServer TS 2 4 IP address in a browser s URL window Log in to the Digi One PortServer TS 2 4 as root The default password is dbps 3 Select Configure and then Console Management from the menu 4 Follow the prompts to complete configuration Configuring Console Management Command Line This procedure describes how to configure Digi One PortServer TS 2 4 to handle console management Procedure 1 For each port connected to a device that will be managed specify the following set ports dev prn range range where range is the port or range of ports to be set up for console management 2 Ensure that the port and the device to be managed are using the same flow control scheme e See the device s documentation for information on flow control requirements e To check the Digi One PortServer TS 2 4 current settings and to change them see descrip tion of the set flow command in the Digi One PortServer TS Command Reference 3 Ensure that the port and the device are using the same baud rate e See the device s documentation for information on baud rate requirements e To check the Digi One PortServer TS 2 4 current settings and to change them see set line description in the Digi One PortServer TS Command Reference 4 If you want to simplify access to the ports do one of the following e Ifthe administrator will access the port from a station on the LA
23. 12 3444 Digi One PortServer TS 2 4 Troubleshooting 18 11 18 12 Digi Contact Information
24. 2 4 IP address in a browser s URL window Log in to the Digi One PortServer TS 2 4 as root The default password is dbps 3 From the main menu choose Configure gt Ports To configure a port do the following a Choose the port from the port column b Ensure that the Device type is set to Terminal c Make changes to the configuration as required Use the online help for information d If you want to apply this configuration to multiple ports choose Clone select the ports for this configuration and then choose Continue e Choose Submit To return to the main Ports menu choose Ports from the Menu again Configuring Ports for Terminals Command Line This section describes how to configure Digi One PortServer TS 2 4 ports for terminal connections Port Defaults Here is the default configuration for Digi One PortServer TS 2 4 ports VT 100 emulation 9600 baud 8 bit characters 1 stop bit No parity Software flow control Related Information Procedure For information on the set line set ports and set flow commands see the Digi One PortServer TS Command Reference For information on configuring terminal ports for autoconnections see Configuring Autocon nection on page 7 1 This procedure assumes the following 6 2 That you are logged in as root That you know the attributes such as baud rate and parity of the terminal that will be connected to this port Supply a set ports command t
25. Address 2 3 Configuring the IP Address Using Ping ARP Use this section to configure an IP address by manually updating a server s ARP table and then pinging the Digi device Starting Point This procedure assumes the following Procedure 2 4 That your Digi device supports this feature See Devices That Support DPA Remote and Ping ARP for IP Address Configuration on page 2 2 That your Digi device is connected to the Ethernet network Record the MAC address of the Digi device It s on the back of the unit Access a server on the same subnet as the Digi device 3 Manually update the server s ARP table using the Digi device s MAC address and the IP address you want assigned to the Digi device The following is an example of how this is done on a Win dows NT 4 0 system arp s 143 191 2 1 00 40 9d 22 23 60 Ping the Digi device using the IP address just assigned The following is an example ping 143 191 2 1 The ping will probably time out before there is a response from the Digi device Wait a few seconds and then ping the Digi device again The Digi device replies to the ping indicating that the IP address has been configured Configuring the IP Address Using Ping ARP Configuring the Ethernet Interface from the Command Line This section discusses how use the command line to configure an IP address mask and default gateway for Digi One PortServer TS 2 4 s Ethernet interface Manual Configuration Procedu
26. Configuring a Port for Autoconnection Web Interface 7 2 Configuring Autoconnection By Port Command Line 7 2 Configuring a User for Autoconnection Web Interface 7 3 Configuring a User for Autoconnection Command Line 7 3 Configuring Autoconnection 7 1 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 can implement autoconnection in the following ways e By port In this case all port users are automatically connected to the same host The Digi One PortServer TS 2 4 is completely transparent to them e By user In this case a user is required to login and may be required to supply a password but once the user is authenticated an automatic connection to a host is made Configuring a Port for Autoconnection Web Interface This section describes how to configure a port for autoconnection from the web interface 1 Access the web interface by entering the Digi One PortServer TS 2 4 IP address in a browser s URL window 2 Log in to the Digi One PortServer TS 2 4 as root The default password is dbps 3 Select Configure and then Autoconnect from the menu 4 Configure the port as required Use the online help for more information 5 To return to the main Ports menu choose Ports from the Menu again Configuring Autoconnecti
27. Connections Configuring computer connections is very similar to configuring terminal connections which is discussed on page 6 2 Consequently this section simply discusses the differences between these connection types Starting Point This section assumes that e You are logged in as root e You know the attributes such as baud rate and parity of the PC that will be connected to this port Configuring Typical PC Connections To configure a port for a directly connected PC where the PC always initiates the connection configure the connection as you would a terminal connection except on the set ports command do the following e Specify dev min if you have a 10 pin null modem cable to support this type of connection e Specify dev term if you do not have a 10 pin null modem cable Consider defining the serial connection as a PPP link See Configuring PPP on page 8 1 for more information Command Line Example In this example ports 1 2 are set up for a BBS host set ports range 1 2 dev prn group 70 set line range 1 2 baud 19200 set flow range 1 2 ixon off ixoff off rts on cts on set altip group 70 ip 199 179 23 10 Configuring Ports for Terminals and Computers 6 3 6 4 About Computer Connections Chapter 7 Configuring Autoconnection In This Chapter This Chapter discusses how to configure the autoconnection feature It covers the following topics About Autoconnection 0 is ene serie Sede te eee oe eels 7 2
28. H2 and Menu Access In this example a Digi device is configured to use an SSH2 public key and it presents a menu to the administrator from which he or she will select a device to manage Key aspects of this configuration include the following e Two ports to which the managed devices are connected specify dev prn a device type that does not spawn a login from the Digi device e A menu specifies connect commands which when selected provide connections to ports 1 and 2 and the managed systems The menu also specifies a menu table index number of 6 on the range parameter which is then linked to a user with the set user command set ports dev prn range 1 2 set line baud 19200 range 1 2 set menu name menul t1l Console Management Menu range 6 set menu name menul range 6 name Console Management Menu ml Connect to System 1 set menu name menul range 6 cl connect 1 m2 Connect to System 2 set menu name menul range 6 c2 connect 2 set user name adminl defaultaccess menu menu 6 password on outgoing on set user name adminl loadkey 142 191 2 34 ssh filel Example Alternate IP Addresses Configuration In this example the Digi One PortServer TS 2 4 is configured with e Alternate IP addresses using set altip commands which assign IP addresses to ports and 2 This enables direct access to one of these ports with a Telnet command that specifies one of the IP addresses e Password protection on ports 1 and 2 This is done with
29. MP group Read write for the character stream devices using SMIv2 MIB RFC 1658 Read write for the RS 232 like hardware devices MIB RFC 1659 Read write for the Digi One PortServer TS 2 4 IP Network Control Protocol of the Point to Point Protocol MIB RFC 1473 Message Support The SNMP agent supports the Set Get GetNext and Trap messages as defined in RFC 1157 These messages are used as follows Set which means set the value of a specific object from one of the supported MIBs Get which means retrieve the value of a specific object form one of the supported MIBs GetNext which means retrieve the value of the next object in the MIB Trap which means send traps to the manager when a particular type of significant event occurs Supported Traps The agent can send traps when any of the following occur 14 2 Cold starts Digi One PortServer TS 2 4 initializes Authentication failures About SNMP and the Digi One PortServer TS 2 4 Agent Configuration Procedure Web Interface 1 Access the web interface by entering the Digi One PortServer TS 2 4 IP address in a browser s URL window Log in to the Digi One PortServer TS 2 4 as root The default password is dbps which should be changed See the newpass command in the Digi One PortServer TS Command Reference for information on changing passwords 3 Select Configure and then SNMP from the menu 4 Fill in the configuration fields and then press Submit Configuratio
30. N you can assign IP addresses to each port that will be connected to a managed device which will allow the administrator to Telnet directly to the port without specifying a port number See set altip command in the Digi One PortServer TS Command Reference for more information e Ifyou want to use a menu to simplify access see the examples that follow and the set menu command in the Digi One PortServer TS Command Reference for more information 5 If you want to use SSH2 connections and use a public key for authentication do the following e Ensure that you have supported hardware and firmware This feature works on the devices specified in the following table To determine the hardware level of your device see the label on the bottom of the unit To determine the firmware level use the set config command Device Required Hardware Required Firmware Digi One TS 50000771 01A or higher 82000747a or higher PortServer TS 2 50000771 02A or higher PortServer TS 4 50000771 03A or higher e Ifyou have a supported device enter the following command set user name name loadkey host key 10 2 About Console Management where e name is the name of a user e host is either an IP address or DNS name of a host running TFTP e key is the name of a file that contains the DSA public key If your host s implementation requires a complete path to the file specify the path here as well Example set user name secure loadkey 143 191 2 34 ssh file Example SS
31. autoport 23 defaultaccess autoconnect Configuring Autoconnection 7 3 7 4 Configuring a User for Autoconnection Command Line Chapter 8 Configuring PPP In This Chapter This chapter discusses how to configure PPP connections It covers the following topics e Configuring PPP Connections Web Interface 0005 8 2 e Configuring Inbound PPP Connections Command Line 8 3 e Configuring Outbound PPP Connections Command Line 8 5 Configuring PPP 8 1 Configuring PPP Connections Web Interface Use this procedure to configure PPP connections from the web interface 1 Access the web interface by placing the IP address of the Digi device in the URL window of a browser 2 Log in as the root user The default password is dbps 3 Navigate to the PPP configuration screen by choosing PPP from the Configure menu A screen similar to the following appears Status Forwarding is off 1f state is in transition it will take a period of time to reflect your changes Forwarding Ot M Proxy ARP C IP Pool Enabled IP pool status IP pool ok IP pool IP address 0 000 IP pool count IP Pool Disabled Inbound PPP 1 Configure the port for a modem with the Ports menu 2 Configure a PPP user with the User Menu Use the context sensitive online help for information on configuration fields Outbound PPP 1 Configure the port for a modem with the Ports menu 2 If
32. d 1 199 86 0 1 root 2049 1 0 Dec 13 0 01 sbin drpd 1 199 86 5 1 2 Ifthe daemon is not running enter this command at a root prompt usr sbin drpadmin 3 Answer the prompts as appropriate Linux Verifying the RealPort Process The RealPort daemon process controls communication between the RealPort driver module and your Digi Devices across the network One daemon must remain in the background for each Digi Device maintaining the communication link You should not need to start the daemon by hand The dgrp_cfg_node program does this automatically However to determine whether any RealPort daemons are currently running on your system as well as to determine which Digi Device each daemon is communicating with you can execute the following command ps ax grep drpd For more information about the RealPort daemon see the drpd man page that is installed with the driver package SCO Verifying the RealPort Daemon Use this topic to verify that the RealPort daemon is running on a SCO Unix or SCO OpenServer operating system 1 At the root prompt enter the following command ps ef grep ncexd If the RealPort Daemon is running you should see an entry for each Digi Device similar to the following root 2254 1 0 Dec 13 0 03 etc nexd d dev cts0O n root 2049 1 0 Dec 13 0 01 etc nexd d dev ctsoO n 2 If you do not see this information restart the daemon by doing the following a Modify the etc rc2 d S86ncxa file with th
33. d is matching masters with the slaves they control So here are some things to keep in mind e The default configuration allows any Modbus TCP master to communicate with any port attached slave using RTU encoding Consequently if there are no security considerations that is if you are not concerned about restricting access to slaves to particular masters and the slaves use RTU encoding no Modbus configuration is required There are still however some non Modbus configuration tasks that must be completed such as assigning the Digi device an IP address and configuring ports e If you use the command line you must match masters to slaves in the following way The set modbus slave command has a range field that requires you to assign an index number to identify the slave The set modbus master command has a slave field that requires you to list the index numbers of slaves that are to be controlled by that master The examples that follow will clarify this relationship 11 2 About Modbus Configuring Modbus Using the Web Interface 1 A a Sd Access the Digi One PortServer TS 2 4 from a web browser by entering the Digi One PortServer TS 2 4 IP address in the URL window Sign on to the Digi One PortServer TS 2 4 Choose Modbus from the menu Fill in fields as required Use the context sensitive help for guidance Configure ports for modbus by doing the following a Select Ports b Specify Modbus as the device type
34. default is dbps Accessing the Command Line from a Telnet Session Use this procedure to access the command line and the configuration from a Telnet session This procedure assumes that you have configure the Digi device with an IP address already See Configuring the IP Address on page 2 1 1 2 To Telnet to the Digi One PortServer TS 2 4 enter the following command from a command prompt on another networked device such as a server telnet ip address where ip address is the Digi One PortServer TS 2 4 s IP address Example telnet 192 3 23 5 Log in as the root user The default password is dbps Accessing the Configuration from the Web Interface Use this procedure to access the configuration from the web interface This procedure assumes that you have configured the Digi device with an IP address already See Configuring the IP Address on page 2 1 1 2 1 6 Access the Digi One PortServer TS 2 4 from a web browser by specifying the Digi One PortS erver TS 2 4 s IP address in the URL window Log on as root The default password is dbps Configuration Prerequisites Chapter 2 Configuring the IP Address 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 Configuring the IP Address and Mask 2 2 Configuring the Ethernet Interface
35. dems Tips on Configuring A Modetis i2 c2 c2208 i ciate tacit alte 5 2 Configuring Ports for Modems Web Interface 0 ee eee eeeeeeeeeereeeeeeceneeteeeeeaeens 5 3 Configuring Ports for Incoming Modem Connections Command Line 5 3 Configuring Ports for Outgoing Bi Directional Connections Command Line 5 4 Chapter 6 Configuring Ports for Terminals and Computers Configuring Ports for Terminals Web Interface oe ceeeeseeeseeceeeeeeeeeeneees 6 2 Configuring Ports for Terminals Command Line cesses eeseceseeeeeeeeneees 6 2 About Computer Connecu Ons wsissote ccesdsasncseeee ele watd sees acieks seats eed end iamaians 6 3 Chapter 7 Configuring Autoconnection ADOUL AULOCOMNNECUON issnin aiaiai 7 2 Configuring a Port for Autoconnection Web Interface eee eeeceeestecenteeeeeee 7 2 Configuring Autoconnection By Port Command Line cece eeeceeeeeeeeeeeeeeeees 7 2 Configuring a User for Autoconnection Web Interface ee eee eeseeeeeeereees 7 3 Configuring a User for Autoconnection Command Line 0 00 eee eeeeeeeeeeereees 7 3 ii Chapter 8 Configuring PPP Configuring PPP Connections Web Interface cee eeeeseesseceeeeeeeeeeneeenaeens 8 2 Configuring Inbound PPP Connections Command Line s es 8 3 Configuring Outbound PPP Connections Command Line ee eee eeeee 8 5 Chapter 9 Configuring IP Routing Thitoduction to Routing seen ign ae ces ae een dda ae ae haus 9 2 About RIP Routing Updates sits
36. describes how to upgrade the Digi One PortServer TS 2 4 operating system OS The OS is stored in flash ROM and can be upgraded without changing the ROM or other hardware Related Information See the boot and set config commands in the Digi One PortServer TS Command Reference Prerequisite Task Note When upgrading from a firmware release prior to 82000716_B the POST code must be upgraded first To determine your current firmware release issue the set config command If you need to upgrade the POST code first here is how you do it 1 Download the POST code from the Digi web site to a server running TFTP 2 To load the new POST code issue the following command boot load post tftp server ip filename where ftp server ip is the IP address of the TFTP server and filename is the POST file Example boot load post 143 21 10 5 82000679 C1 3 Reboot the Digi device When the Digi device reboots it is ready for new firmware Procedure This procedure assumes that you have logged in as root 1 Download a copy of the latest Digi One PortServer TS 2 4 firmware from the Digi International web site digi com and copy it to a host running TFTP 2 Load the new OS into flash ROM by entering the following command boot load ip address filename where e ip address is the IP address of the TFTP host e filename is the name of the firmware file The following message should appear The image in flash now appears valid 3 If this message does
37. deterrmine if a system can be reached from across a network Procedure Attempt to ping the Digi One PortServer TS 2 4 from another system on the network Here is the format of the command ping ip address Digi One PortServer TS 2 4 Troubleshooting 18 7 Verifying the Network Cabling Use this procedure to troubleshoot network cabling problems 1 Check the Ethernet cable Verify the following e The Ethernet cable is connected securely at both ends e The Ethernet cable is pinned correctly e The quality of the cable is sufficient for the cable length and the cable environment Consult an Ethernet cable manufacturer for a recommended cable for your configuration 2 Verify your Ethernet hub See your Ethernet hub manual Verifying the Network Cabling Verifying the RealPort Process Use one of these procedures to verify the RealPort process AIX Verifying the RealPort Process Use this topic to verify that the RealPort daemon process is running on the AIX system 1 Type the following lsdev Cc nts 2 Ifthe sa devices are not in an available state type the following from the AIX prompt mkdev 1 sa cfgmgr where is the number of the Digi Device HP UX Verifying the RealPort Process 1 Verify that RealPort is running on the HP UX operating system by entering ps ef grep drp If you see an entry for each Digi Device similar to the following the RealPort process is running root 2254 1 0 Dec 13 0 03 sbin drp
38. directional connections Note Use a group number on the group field if you intend to create a hunt group of ports that can access a pool of modems Make sure this group number is greater than 65 Example set ports range 2 dev mio Supply a set line command that specifies the following set line range range baud bps where range is a serial port or range of ports and bps is the line speed of the connection Example set line range 2 baud 115200 Supply a set flow command that defines the flow control scheme required by the modem In this example ports 1 and 2 are configured for bidirectional modems set ports range 1 2 dev mio set line range 1 2 baud 115200 set flow range 1 2 ixon off ixoff off rts on cts on Configuring Ports for Outgoing Bi Directional Connec Chapter 6 Configuring Ports for Terminals and Computers In This Chapter This chapter describes how to configure Digi One PortServer TS 2 4 ports for terminal and computer connections It discusses the following topics e Configuring Ports for Terminals Web Interface 0 6 2 e Configuring Ports for Terminals Command Line 6 2 e About Computer Connections 0 00 c eee eee eee 6 3 Configuring Ports for Terminals and Computers 6 1 Configuring Ports for Terminals Web Interface Use this procedure to configure a port from the web interface 1 Access the web interface by entering the Digi One PortServer TS
39. e 3 Configure flow control attributes with the set flow command The attributes you configure depend on printer requirements See the set flow command in the Digi One PortServer TS Com mand Reference for more information In this example port 2 is configured for a printer that uses hardware flow control set ports range 2 dev prn Configuring Ports for Printers 4 3 4 4 set line range 2 baud 9600 csize 8 stopb 1 parity n set flow range 2 cts on ixon off ixoff off Configuring Printer Connections Command Line Configuring a Port for Direct Access Printing Direct access printing allows Telnet users on the LAN to access a port and to issue print commands directly to the printer This section describes the two ways users can access a printer directly and explains how to configure the port to support each method Method 1 Specifying Port Numbers in the Telnet Command This method allows users to issue telnet commands that identify the correct port by using TCP port numbers Users identify the type of connection and port number by specifying one of the following For this connection type Identify the port by specifying Telnet 2000 plus the number of the port Example 2002 for port 2 Raw 2100 plus the number of the port Example 2102 for port 2 User Command Example 1 In this example a user specifies a standard telnet connection on port 2 of a Dig One PortServer TS 2 4 using IP address 199 250
40. e snmp tcpip and telnetip revert network factory revert network nvram set ports revert port factory revert port nvram Routing revert routed factory revert routed nvram set auth set logins and set radius revert security factory revert security nvram set flow set line set ports revert serial factory revert serial nvram set service revert service factory revert service nvram SNMP configuration revert snmp factory revert snmp nvram set config set keys set menu set service set terms set trace and set user revert system factory revert system nvram set tepip revert tcpip factory revert tcpip nvram set telnetip revert telnetip factory revert telnetip nvram set terms revert terms factory revert terms nvram Trace settings revert trace factory revert trace nvram set user revert users factory revert users nvram Resetting the Configuration to Defaults Chapter 17 Configuration Examples This chapter provides several simple but complete configuration examples If you find that the examples implement exactly the features needed for your network simply copy them making appropriate substitutions for site specific information such as IP addresses Quite likely however you will be able to use the examples as a starting point only and will need the information provided in other chapters in this man
41. e Autoconnect 3 The IP address that will be the destination for the autoconnect user 4 A Destination TCP port number which determines the type of connection for this user such as 23 for Telnet e Choose Submit 5 To return to the main User menu choose User from the Menu again Configuring a User for Autoconnection Command Line Procedure Example This section describes how to configure a user for autoconnection This procedure deals with autoconnection features only It assumes that you have or will configure e The port for modem connections see Chapter 5 or terminal connections see Chapter 6 e Other user attributes see the set user command in the Digi One PortServer TS Command Refer ence To configure a user to automatically connect to a host supply a set user command that specifies the following set user name user name ports ports autoconnect on autohost ip address autoport tcp port defaultaccess autoconnect where e user name is the name of the user e ports is the ports this user can use e ip address is the IP address of the host to which the user will be connected e tcp port is the TCP port to use for connections In this example a user is configured for autoconnection using telnet to the host specified Because the password field is not specified the default password on requires that the user supply a password before the connection is made set user name user4 autoconnect on autohost 199 193 150 10
42. e appropriate IP addresses b Reboot the server Digi One PortServer TS 2 4 Troubleshooting 18 9 Solaris Verifying the RealPort Process Use this topic for information on verifying that the RealPort process is running on a Solaris system 1 Type the following command ps ef grep ncexd 2 Ifthe information that appears is not correct do the following a Modify the etc rc2 d S26realport file with the appropriate IP addresses b Reboot the UNIX server Windows NT Verifying the RealPort Service Use this procedure to verify the RealPort service on Microsoft Windows NT 1 From the Start menu choose Settings gt Control Panel gt Devices gt Digi RealPort 2 Ifthe RealPort service has not been started choose Start Windows 2000 Verifying the RealPort Service Use this procedure to verify the RealPort service process on Microsoft Windows 2000 1 Right click on My Computer choose Properties gt Hardware tab gt Device Manager 2 Expand the Multi port Serial Adapters list if necessary and select Digi PortServer 3 Ifthe RealPort Service process is not enabled right click and choose Enable 18 10 Verifying the RealPort Process Digi Contact Information Digi International 11001 Bren Road East Minnetonka MN 55343 U S A Customer Service and Support World Wide Web http support digi com email support digi com Telephone U S 1 800 344 4273 Telephone other locations 011 952 9
43. e of range of ports ports 1 2 e The index number of the slave or slaves that this master will control on the slaves field Example of a single slave sLave 17 Example of a range of slaves sLave 17 22 e If this this master is connected to a serial port an encoding scheme ASCII or RTU on the format field Specify the encoding scheme required by the master Example format ascii e Timers as required Typically the defaults work If you require additional information see the set modbus command in the Digi One PortServer TS 2 4 Command Reference Configure the Modbus slave by issuing a set modbus slave command that specifies the follow ing e An index number on the range field to identify this slave Use a integer between 1 and 32 This number must be included in the range of slave index numbers specified on the slave field of the set modbus master command Example range 15 e If this slave is located on the network an IP address Example ip 143 191 3 117 e If this slave is connected to a port a port number on the port field Example port 1 e If this this slave is connected to a serial port an encoding scheme ASCII or RTU on the for mat field Specify the encoding scheme required by the slave Example format ascii Configuring Modbus from the Command Line Configuring Modbus A Modbus protocol unit number for each slave This can be specifies in any of the following ways a An individual unit number b A range of un
44. eaking the command into multiple commands as shown below If you use this method however you must let the Digi One PortServer TS 2 4 know that you are configuring the same entity such as the same port menu or line This is done by repeating the range or name field in each command set menu tl Console Management Menu range 6 set menu range 6 name Console Management Menu m3 Connect to System 1 set menu range 6 c3 connect 1 m4 Connect to System 2 set menu range 6 c4 connect 2 Supported Devices This manual provides information on the following Digi devices e Digi One RealPort e Digi One IA RealPort e PortServer TS 2 e PortServer TS 4 Introduction 1 3 Other Documents in the Library Here is a list of the other documents in the library Access Resource CD Card This card provides information on the contents of the Access Resource CD It includes the CD mounting instructions required to access the CD on many Unix systems Digi One PortServer TS 2 4 Setup Card This card which comes in the Digi One PortServer TS 2 4 package provides a brief overview on the setup process Digi One PortServer TS Command Reference This online manual available on the Access Resource CD provides complete information on commands RealPort Setup Guides These online manuals provide information on setting up servers for RealPort software Digi Port Authority Remote Device Monitor Setup Guide This online manual provides informat
45. ealPort The configuration is exceedingly simple because port attributes are configured on the host itself Related Information For more information on configuring e The Ethernet interface see Configuring the IP Address on page 2 1 e RealPort see Configuring Ports for RealPort on page 3 1 Illustration 192 250 150 111 Modem Termina Printer Configuration set config ip 192 250 150 11 submask 255 255 255 0 1 set ports range 2 4 dev rp 2 Configuration Notes 1 The set config command configures the internet address and mask for Digi One PortServer TS 2 4 Ethernet interface 2 The set ports command configures ports 2 3 and 4 for Realport This command specifies dev rp which is an appropriate device type for RealPort 17 4 Terminal Server Configuration Using RealPort Chapter 18 In This Chapter Digi One PortServer TS 2 4 Troubleshooting e Symptom Digi One PortServer TS 2 4 Does Not Boot 18 2 e Symptom Cannot Telnet to the Digi One PortServer TS 2 4 18 3 e Symptom Trouble Accessing a Port 0 0 0 0 0 eee eee eee 18 4 e Running Digi One PortServer TS 2 4 Customer Diagnostics 18 4 e Key to Interpreting Digi One PortServer TS 2 4 LEDs 18 5 e Verifying TFTP on a UNIX System 0 00 0 cece eee eee 18 5 e Troubleshooting TFTP Problems 0 0 0 0
46. easy and efficient way for modems to use Digi One PortServer TS 2 4 ports For information on this option see Configuring Ports for RealPort on page 3 1 5 2 Tips on Configuring A Modem Configuring Ports for Modems Web Interface Use this procedure to configure a port for a modem from the web interface 1 Access the web interface by entering the Digi One PortServer TS 2 4 IP address in a browser s URL window Log in to the Digi One PortServer TS 2 4 as root The default password is dbps 3 From the main menu choose Configure gt Ports To configure a port do the following a Choose the port from the port column b Configure the correct device type Choose Modem in for inbound modem connections Modem out for outbound connections and Modem for bidirectional connections c Make other changes to the configuration as required Use the online help for information d If you want to apply this configuration to multiple ports choose Clone select the ports for this configuration and then choose Continue e Choose Submit To return to the main Ports menu choose Ports from the menu again Configuring Ports for Incoming Modem Connections Command Line This section describes how to configure incoming only modem connections that is connections that are initiated by a device across the telephone network Related Information Procedure If you intend to run PPP traffic over this modem connection see Configuri
47. ed in which case attributes for jsmith are displayed If the user did not already exist this command would create a new user named jsmith that uses all default attributes set user name jsmith Removing a User from the User Table In this example a user is removed from the user table remove user name martymertz 15 4 Configuring a User Command Line Examples Chapter 16 In This Chapter Managing the OS and Configuration This chapter provides information on updating the operating system OS and managing the configuration Topics include the following e Upgrading the OS Firmware Web Interface 0 0 16 2 e Upgrading the OS Firmware Command Line 16 3 e Configuring Digi One PortServer TS 2 4 from a Remote Host 16 4 e Resetting the Configuration to Defaults 00 000 16 6 Managing the OS and Configuration 16 1 Upgrading the OS Firmware Web Interface 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 address in a browser s URL window 2 Log in to the Digi One PortServer TS 2 4 as root The default password is dbps 3 From the main menu choose Admin and then either HTTP upgrade or TFTP upgrade 4 Follow the prompts to complete the upgrade 16 2 Upgrading the OS Firmware Web Interface Upgrading the OS Firmware Command Line This section
48. eeeacas tacos des eesseramsceseaceeeoss 1 4 About Configuration Methods 7 26 chs cst vnsincees en Bae evince Shennan areca 1 5 Configuration Pere QUISIe Sicsnccets amp Socgacs su9pceasavsvqeaesi acess qovaeel goto ataasebeeasacaangeats 1 6 Chapter 2 Configuring the IP Address Options for Configuring the IP Address and Mask cecceesseesseceseeeeeeeeneeenneees 2 2 Configuring the Ethernet Interface with DPA Remote eee eeeeeeestecereeeeeees 2 3 Configuring the IP Address Using Ping ARP cee eeeeesseceseeeeeeeeeeesnaeeneenaeees 2 4 Configuring the Ethernet Interface from the Command Line 2 5 Configuring an IP Address using DHCP and RARP ow eee eeeeeeeeeereeeneeees 2 5 Chapter 3 Configuring Ports for RealPort About Real POT ts oone oie ei e spuds e wus vai eb cylusale 3 2 Configuring Ports Web Interface acts cavetsccesscadtascaden dees acdsee OcasnasecGuadiavsdacedandanendes 3 3 Configuring Ports for RealPort Command Line eee eeeeeesseeeseeeeseeeeneeeneees 3 4 Chapter 4 Configuring Ports for Printers Configuration Considerations cil sxcus mice eAn niece ace ie shnesome tat oar ca teeeteteesmte 4 2 Configuring Ports for Printers Web Interface eee eeeeeeeeeseecneeenseeeeeeeeneees 4 3 Configuring Printer Connections Command Line cee eeeeseeseceseeeeeeeeneees 4 3 Configuring a Port for Direct Access Printing eee eeeessecseeeeeeecneeenneeeeeeeeneees 4 5 Chapter 5 Configuring Ports for Mo
49. eference Starting Point This procedure assumes that you e Have an existing configuration on the Digi One PortServer TS 2 4 that you want to copy to a remote host for editing e Are logged in to Digi One PortServer TS 2 4 as root which is a requirement for using the cpconf command to copy the configuration file to a host Procedure 1 Create a file with appropriate write permissions on the remote host 2 Ensure that TFTP is running on the remote host 3 Supply a cpconf command with a tohost field that specifies the following e The IP address of the target host e The name of the file that will hold the configuration Example cpconf tohost 199 250 121 12 cnfg fle 16 4 Configuring Digi One PortServer TS 2 4 from a Remote Copying a Configuration File from a Host to Digi One PortServer TS 2 4 This section describes how to copy the configuration file from a host to Digi One PortServer TS 2 4 after the file has been edited on the host Related Information See the cpconf command in the Digi One PortServer TS Command Reference Starting Point This procedure assumes that you e Have edited a configuration file on a host and now want to copy it to Digi One PortServer TS 2 4 for use e Are logged in to Digi One PortServer TS 2 4 as root which is a requirement for using the cpconf command to copy the configuration file to a host Supply a cpconf command with a fromhost field that specifies the following e The IP address of the sou
50. et modbus master command is an index number that Digi One IA uses to identify this master The range fields on each of the set modbus slave commands identify the individual slaves The slaves field on the set modbus master command then identifies the slaves that belong to this master The value on the unit fields of the set modbus slave commands are hardware addresses for the slaves The format rtu option on the set modbus master command is optional since rtu is the default for Modbus communication over the serial port Configuration set line range 1 baud 14400 set ports range 1 dev modbus set modbus master port 1 slaves 2 5 ra 4 format rtu set modbus slave ip 143 191 2 100 range 2 unit 200 set modbus slave ip 143 191 2 155 range 5 unit 100 Examples Chapter 12 Configuring Security Features In This Chapter This chapter describes Digi One PortServer TS 2 4 security features and discusses how to configure them It presents the following topics Controlling Access to the Digi One PortServer TS 2 4 Configuration 12 2 Controlling Access to Inbound Ports 0 0 00 0 eee eee eee 12 2 Controlling Access to Outbound Ports 0 0 00 e ee eee ee 12 3 Controlling Access to the Digi One PortServer TS 2 4 Command Line 12 3 Issuing User Passwords 0 0 0 0 c cece eee ees 12 4 Configuring SSH Version 2 for Secure Communication 12 5 Configuring Security Features 12 1 Controlling
51. face with the dip switches on the device 2 Connect the device to power and to the network 3 Connect peripherals to serial ports See the Cable Guide on the Access Resource CD Step C Install and Setup DPA Remote DPA Remote is a utility that provides one of the ways to configure an IP address and also provides port monitoring See the Digi Port Authority Remote Device Monitor Setup Guide which is on the Access Resource CD Step D Configure an IP Address There are a number of ways to configure an IP address See Configuring the IP Address on page 2 1 for more information Step E Configure Ports See the following for more information e Configuring Ports for RealPort on page 3 1 e Configuring Ports for Printers on page 4 1 e Configuring Ports for Terminals and Computers on page 6 1 e Configuring Ports for Modems on page 5 1 Step F Configure Other Features as Required See the following for information on setting up other features e Configuring PPP on page 8 1 e Configuring IP Routing on page 9 1 e Configuring Autoconnection on page 7 1 e Configuring Console Management on page 10 1 e Configuring Security Features on page 12 1 e Configuring DNS on page 13 1 Step G Troubleshoot Setup Problems Troubleshoot problems as required See Digi One PortServer TS 2 4 Troubleshooting on page 18 1 1 2 Setup Overview About This Guide Purpose This guide provides the following e Configurati
52. for static routes Related Information See the set route command in the Digi One PortServer TS Command Reference Procedure To configure a static route over a PPP link enter the following command set route net addr mask mask metric hops wanname interface gateway gateway where e addr is either the IP address of a system to be reached over this route or the network address of the subnet that is to be reached on this route e mask is the mask to use for interpreting the IP address e metric is the number of hop to the destination e interface is either ether if this route is over the Ethernet interface or the name of a user if the route is over a PPP link e gateway is the IP address of the device that is the next hop to the destination Example Route Using the Ethernet Interface In this example a route to a subnet is created over the Ethernet interface Key features include the following e The address on the net field is a subnetwork address not the IP address of a specific device e The wannane ether indicating that this route is over the Ethernet interface e The metric field indicates that packets to this subnet will pass through two routers e The gateway field indicates that all packets using this route are to be forwarded to the device at IP address 191 21 21 2 set route net 199 21 33 0 mask 255 255 255 0 metric 2 wannname ether gateway 199 21 21 2 Example Route Using a PPP Link In this example a route to a subnet is crea
53. g Introduction to Routing 2 ec eee 9 2 About RIP Routing Updates 0 00 00 eee eee 9 3 Configuring Static Routes 0 eee eee 9 5 Configuring Dynamic Routes Using RIP 0 0 00 0200 0008 9 6 Configuring Proxy ARP 2 ee ccc eee 9 7 9 1 Introduction to Routing This section provides some introductory information on routing What is Routing Routing is the method employed by IP software of choosing a path over which to send packets between systems on different physical networks When Digi One PortServer TS 2 4 is configured as a router it performs this service Types of Routing 9 2 Digi One PortServer TS 2 4 can be configured to perform the following types of routing Static routing When you use static routing you manually configure routes to other networks for Digi One PortServer TS 2 4 Static routing works fine for small stable networks Maintaining static routes is difficult on larger networks and on networks that experience a lot of changes Dynamic routing When you use dynamic routing routes are not manually configured but are automatically established and maintained using information provided by routing information protocol RIP Route maintenance is obviously easier using RIP but RIP has some shortcom ings that are discussed later in this chapter Digi One PortServer TS 2 4 supports the RIP 1 stan dard Proxy ARP which is a technique in which a router answers ARP requests i
54. gi One PortServer TS 2 4 agent s supported traps Network Management Components The TCP IP network management architecture contains the following components Managed nodes such as host systems routers terminal and communications servers such as Digi One PortServer TS 2 4 and other network devices One or more network managers also called network management stations which are the points from which the network is managed Agents that reside on managed nodes and retrieve management information and communicate this information to network managers The network management protocol SNMP which governs the exchange of information between the nodes and stations Management information which is the database of information about managed objects This database is called the management information base MIB SNMP Management Agent Each managed node contains at least one agent a component that responds to requests from the network manager that retrieves network management information from its node and notifies the manager when significant events occur SNMP Traps A mechanism defined by SNMP is called a trap which is a report or alarm from a managed node to an SNMP manager that a significant event has occurred MIB Support The agent supports the following MIBs Read write for MIB II RFC 1213 which is an Internet standard MIB consisting of managed objects from the systems interfaces IP ICMP TCP UDP transmission and SN
55. hat specifies the following set ports range range dev term sess num of sess where range is a port or range of ports and num of sess is the number of simultaneous sessions the port user can maintain Supply a set line command that specifies the following set line range range baud bps csize characters parity parity stopb num bits where e range is a port or range of ports Configuring Ports for Terminals Web Interface e bps is the line speed e characters is the character size e parity is the parity scheme to use on this line e num bits is the number of stop bits to use 3 If your terminal uses hardware flow control supply a set flow command that specifies the fol lowing software flow control is the default so a set flow command is not required in that case set flow range range ixoff off ixon off cts on rts on where range is a port or range of ports Note You may need to use additional set flow command fields depending on the flow con trol scheme required by your terminal See the set flow command in the Digi One PortServer TS Command Reference for more information Example In this example port 1 and 2 are configured for connection to terminals using hardware flow control The connection uses default for character size 8 bits parity no parity and stop bits 1 set ports range 1 2 sess 3 dev term termtype wy60 set line range 1 2 baud 19200 set flow range 1 2 ixon off ixoff off rts on cts on About Computer
56. he Customer Diagnostics Menu appears select a test to perform Symptom Trouble Accessing a Port Key to Interpreting Digi One PortServer TS 2 4 LEDs Here is a key to interpreting Digi One PortServer TS 2 4 LEDs Procedure LED Activity Indication 1 1 1 pattern Starting the EOS 1 3 1 pattern TFTP boot process started Tells you that configuration has been return to the fac 1 5 1 pattern tory configuration See Resetting Digi One PortServer TS 2 4 Configuration to Defaults on page 18 6 Steady blinking Device seeking an IP address from DHCP server On Digi One RealPort and PortServer TS 2 4 devices Solid this means the boot completed sucessfully One Digi One IA devices it indicates a problem Verifying TFTP on a UNIX System Use this procedure to verify that TFTP is working correctly on your UNIX host Note This procedure which uses a TFTP transfer of the Digi Device s boot image between two UNIX hosts enables you to compare the size of the boot image before and after it is transferred enabling you to determine if TFTP is working properly Procedure 1 Access a root prompt on the UNIX host Make sure that you are not in the tftpboot directory Enter this command tftp ipaddress where ipaddress is the IP address of the UNIX host A TFTP prompt appears At the prompt enter the following command binary Enter this command at the TFTP prompt get tftp file name where tftp file name
57. his Chapter This chapter describes how to configure Digi One PortServer TS 2 4 ports for modem connections It discusses the following topics e Tips on Configuring A Modem 0 00 eee 5 2 e Configuring Ports for Modems Web Interface 00 5 3 e Configuring Ports for Incoming Modem Connections Command Line 5 3 e Configuring Ports for Outgoing Bi Directional Connections Command Line 5 4 Configuring Ports for Modems 5 1 Tips on Configuring A Modem Here are some tips on configuring modems to work with Digi One PortServer TS 2 4 e Configure the modem so that DCD goes high when it receives an incoming connection request e Configure the modem to answer an incoming call only when DTR is high and to drop the line when DTR goes low e For bidirectional connections it is advisable to configure the non volatile parameters in the modem for incoming calls Also configure the modem to reset to these parameters when DTR is dropped e Configure the modem to lock the serial line speed at the highest baud rate the modem will accept for reliable data transfer because Digi One PortServer TS 2 4 cannot switch the baud rate of the serial line on a per call basis without reconfiguration Note You may want to consider connecting modems using RealPort a feature that allows network based host systems to use the ports of the Digi One PortServer TS 2 4 as though they were the host system s own ports It is an
58. i you might have changed on any ports you decide to DHCP configure You will also need to configure the Network RealPort driver on the server you wish to use with Port Buffering this unit PPP RADIUS Next gt gt SNMP Console Mgmt AutoConnect Time 4 To complete configuration choose Next and then follow the prompts 5 To return to the main Ports menu choose Ports from the Menu again 6 To complete RealPort setup install and configure the RealPort driver See the appropriate RealPort setup guide on the Access Resource CD Configuring Ports for RealPort 3 3 Configuring Ports for RealPort Command Line Procedure Example 3 4 This section describes how to configure RealPort ports from the command line Use this procedure to use the command line to configure Dig One PortServer TS 2 4 for RealPort This procedure assumes that you have signed on as root and have or will e Install RealPort software on each RealPort host See the appropriate RealPort documentation for more information e Properly cabled Dig One PortServer TS 2 4 ports and devices e Set up the devices connected to Dig One PortServer TS 2 4 ports 1 Configure the RealPort TCP port by entering the following command set tcp realport 771 2 Configure Dig One PortServer TS 2 4 ports by entering the following command set ports range range dev rp where range is the range of ports to which this command applies Example set ports range 2 dev r
59. incoming modem connections using RTS 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 Configuring Ports for Outgoing Bi Directional Connections Command Line This section describes how to configure outgoing and bidirectional modem connections from the command line Related Information For more information on setting the port s flow control attributes see the set flow command in the Digi One PortServer TS Command Reference For information on setting serial line operating parameters such as character size the number of stop bits and parity see the set line command in the Digi One PortServer TS Command Refer ence For more information on configuring dialer and login scripts see the set script command in the Digi One PortServer TS Command Reference Before You Begin Procedure Example 5 4 This procedure assumes that you Know the operating parameters required by the modem If you do not see the modem documen tation Have or will correctly cable the connection between the Digi One PortServer TS 2 4 serial ports and modems See the Digi One PortServer Cable Guide for more information Logged in as root Supply a set ports command that specifies the following set ports range range dev dev where range is a serial port or range of serial ports and dev is one of the following e dev mout for outgoing only connections e dev mio for bi
60. ing e Reserve a permanent IP address e Record the IP address You will need it when you configure the RealPort driver 2 Power on the Digi One PortServer TS 2 4 The DHCP or RARP server assigns the Digi One PortServer TS 2 4 an IP address Configuring the IP Address 2 5 2 6 Configuring an IP Address using DHCP and RARP Chapter 3 Configuring Ports for RealPort In This Chapter This chapter describes how to configure Dig One PortServer TS 2 4 for RealPort connections It discusses the following topics AboutRealPOrt sec a ewA nih dik ee eR ae oe eee eee bath eas 3 2 e Configuring Ports Web Interface 00 02 e eee eee eee 3 3 e Configuring Ports for RealPort Command Line 3 4 e Examples naen on tion bed yale ee eee eee Re Ee eek ees eee bee 3 4 Configuring Ports for RealPort 3 1 About RealPort This section provides a brief introduction to RealPort What is RealPort RealPort is a feature that allows network based host systems to use the ports of the Dig One PortServer TS 2 4 as though they were the host system s own ports appearing and behaving as local ports to the network based host RealPort Advantages RealPort provides the following advantages e It expands the number of ports available to the host system e Itenables Dig One PortServer TS 2 4 ports to be treated as if they were directly connected to the host which means they use all standard operating system i
61. inter s documentation to determine if it uses hardware flow control software flow control or no flow control at all Flow Control Tips Here are some tips to ensure that your printer performs as expected e If flow control is necessary ensure that the printer and Dig One PortServer TS 2 4 use the same flow control scheme e Most printers that use hardware flow control issue the DTR data terminal ready signal when they are ready for data If so the DTR pin on the cable from the printer must be wired to an input on the Dig One PortServer TS 2 4 port usually CTS or DCD that can be used for flow control Printing with AIX Systems Digi does not recommend using Ipd to print multiple jobs to a Dig One PortServer TS 2 4 attached printer from an AIX print spooler because this may cause the print job to time out Using the Ipd Protocol 4 2 Here are some tips for configuring the print spooler on your UNIX system when you intend to print using the Ipd protocol to a printer attached to Dig One PortServer TS 2 4 1 The number of copies option with lpr is not supported 2 Banner pages are not supported 3 Give the Dig One PortServer TS 2 4 s DNS name or IP address as the remote system s name 4 Specify a queue name that conforms to the following conventions e Begin the queue name with one of the following character strings a Use ascii if you want Dig One PortServer TS 2 4 to substitute carriage return and line feed characte
62. ion The login and password requirement for inbound ports can be changed by configuring e The port so that it does not require a login and password In this case no one is required to sup ply a login or password e Specific users so that they do not require a password In this case some users do not supply pass words and others are required to Procedure for Changing a Port s Access Requirements To configure a port so that no one has to login or specify a password supply a set logins command that specifies the following set logins range range login off passwd off Example set logins range 1 2 login off passwd off Procedure for Changing a User s Access Requirements To configure a user so that he or she does not have to specify a password when accessing an inbound port supply a set user command that specifies the following set user name name password off where name is a name to identify the user Example set user name userl password off 12 2 Controlling Access to the Digi One PortServer TS 2 4 Con Controlling Access to Outbound Ports This section describes methods for controlling access to outbound serial ports An outbound port is one defined on the dev field of the set ports command for one of the following device types e prn used to define printer connections e mout used to define outbound modem connections e mio used to define bi directional modem connections e host used to define host connections
63. ion on installing and using Digi Port Authority Remote software 1 4 Other Documents in the Library About Configuration Methods Use this section to learn about configuration methods Configuring the Digi One PortServer TS 2 4 from an Attached Terminal With 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 method allows you to configure all features It requires however that you and the Digi One PortServer TS 2 4 be in the same location Some users find it advantageous to configure the Digi One PortServer TS 2 4 IP address this way and then use one of the other methods for the rest of the configuration Configuring the Digi One PortServer TS 2 4 from a Telnet Session With this method you Telnet to the Digi One PortServer TS 2 4 and use the command line to com plete configuration tasks The only disadvantage to this method is that you have to configure the Digi One PortServer TS 2 4 with an IP address before you can Telnet to it Configuring the Digi One PortServer TS 2 4 from the Web Interface The great advantage to this method is ease of use This method does however require that you configure the IP address before you can access the configuration from the web interface and some features cannot be configured this way Downloading a Configuration File With this method you configure a Digi device and then do the f
64. is still using the default configuration configure the terminal to use the following set tings Otherwise configure the terminal to match the port configuration e WVT 100 emulation e 9600 baud e 8 bit characters e 1 stop bit e No parity 3 Press Enter to get a logon prompt from the Digi One PortServer TS 2 4 4 Log on to the Digi One PortServer TS 2 4 5 Use the set config command to verify the Digi One PortServer TS 2 4 IP address Checking for Duplicate IP Addresses Use this procedure to ensure that the Digi One PortServer TS 2 4 and another device are not using the same IP address Procedure 1 From another system on the network use the ping command to determine if the IP address is in use The following is the command syntax ping ip address 2 Do one of the following e If there is no response to the ping exit this procedure and return to the symptoms section of this section Two devices using the same IP address is probably not a problem e If there is a response continue with this procedure 3 Turn the Digi One PortServer TS 2 4 off and then ping again 4 Do one of the following e If there is a response to the ping there is another device using that IP address so assign one of the devices a new IP address e If there is no response turn the Digi One PortServer TS 2 4 back on Another device is not using the IP address assigned Digi One PortServer TS 2 4 Pinging an IP Address Use this procedure to
65. is the name of the Digi Device s boot image in the tftpboot direc tory Enter this command at the TFTP prompt to exit TFTP quit Compare the size of the original file against the transferred file using this command emp 1 tftp file name tftpboot tftp file name If the data within the files to see if TFTP is working properly If they are the same no message will be generated Troubleshooting TFTP Problems Here are some things to check if you encounter TFTP problems Verify that the tftpboot directory exists and has read write and execute 777 permissions with this command ls 1 tftpboot If necessary use this command to create the directory Digi One PortServer TS 2 4 Troubleshooting 18 5 mkdir tftpboot e If necessary use this command to change permissions of the directory to read write and execute chmod 777 tftpboot e Verify that the file tftpboot tftp_file_name exists and has read and execute permissions with this command ls 1 tftpboot tftp file name where tftp file name is the name of the firmware boot image specified by the Digi Device If necessary use this command to change permissions of the file to read and execute chmod 666 tftpboot tftp file name e Verify that the inetd conf file is properly configured for tftp by displaying the file etc inetd conf An entry similar to this should be uncommented tftp dgram udp something where something will vary with each operating system For con
66. it numbers c All which means accept messages carrying any Modbus protocol unit number Timers as required Typically the defaults work If you require additional information see the set modbus command in the Digi One PortServer TS 2 4 Command Reference 11 5 Examples Configuring Network Connected Masters Introduction Here are a few points regarding this configuration All timers for both masters and slaves are using defaults The range field on the set modbus master command is an index number that Digi One IA identi fies these masters The range fields on each of the set modbus slave commands identify the indi vidual slaves The slaves field on the set modbus master command then identifies the slaves that belong to this master The value on the unit fields of the set modbus slave commands are hardware addresses for the slaves The format rtu option on the set modbus slave command is optional since rtu is the default for Modbus communication over the serial port Configuration set line range 1 baud 14400 set ports range 1 dev modbus set modbus master range 1 ip 143 191 2 100 143 191 2 102 slaves 2 3 set modbus slave range 2 port 1 format rtu unit 100 set modbus slave range 3 port 1 format rtu unit 101 Configuring a Port Connected Master 11 6 Introduction Take special note of the following attributes of this configuration All timers for both masters and slaves are using defaults The range field on the s
67. llowing topics e e SEMIP OVERVIEWS cies suk ieee ais EA a ee GPa AEG A ees 1 2 About This Guides oi ono 8 et eee SEIS Awa alee WER aces 1 3 About Entering Commands on the Command Line 1 3 Supported Devices ws esis See E eae de eee Bae eee EA EREE 1 3 Other Documents in the Library 0 00 0 eee eee eee eee 1 4 About Configuration Methods 0 0 0 cece eee eee 1 5 Configuration Prerequisites 2 0 0 0c cee eee eee eee 1 6 Setup Overview This section provides an overview of the setup process Step A Plan Before beginning setup consider the following e How to assign an IP address to the Digi device s Ethernet interface which can be accomplished in a number of ways See Configuring the IP Address on page 2 1 e How to configure serial ports A key consideration is whether to use RealPort Other consider ations include the type of peripheral that will connect to the port and the peripheral s cabling requirements See Configuring Ports for RealPort on page 3 1 and the online RealPort driver documentation and Cable Guide both of which are on the Access Resource CD e The various ways that your Digi device can be configured See About Configuration Methods on page 1 5 and Configuration Prerequisites on page 1 6 for more information Step B Set Up the Hardware 1 Ifthe Digi device supports multiple serial port interfaces EIA 232 EIA 422 485 set the inter
68. n Procedure Command Line This section describes how to configure PortServer s SNMP agent Related Information See the set samp command in the Digi One PortServer TS Command Reference Starting Point This procedure assumes that you have gathered the following information Procedure The IP address of the manager to which traps are sent The name and location of the SNMP contact person The SNMP name of the PortServer you are configuring Issue a set snmp command to configure Digi One PortServer TS 2 4 s SNMP agent Specify the following The ip address of an SNMP management station to which traps are to be sent on the trap_dest field A name for this Digi One PortServer TS 2 4 on the name field A description of where Digi One PortServer TS 2 4 is located on the location field If there are spaces in this entry enclose it in quotation marks The name of an SNMP contact person on the contact field If there are spaces in this entry enclose it in quotation marks Whether authentication traps are generated when an authentication error occurs on the auth_trap field Whether the SNMP agent should run immediately on the run field Configuration Example set snmp auth _trap on trap_dest 190 174 150 10 location Digi Minnesota Configuring SNMP name blaze contact bill jones run on 14 3 14 4 Configuration Procedure Command Line Chapter 15 Configuring Users In This Chapter This chapter discusses how to config
69. n which the Digi One PortServer TS 2 4 will reside e name isa DNS name for Digi One PortServer TS 2 4 e ip address is the IP address of a name server Example set config domain digi com myname poe dns 204 221 1 4 Procedure for Using a Host File Use this section to configure the host table which maps IP addresses to host names Enter the following command set host name name ip ip address where e name is the name the host e ip address is the IP address of the host Example In this example three IP address to name mappings are configured set host name poe ip 204 221 110 200 set host name gary ip 204 221 110 202 set host name toni ip 204 221 110 203 Configuring DNS 13 3 13 4 Configuration Procedures Chapter 14 Configuring SNMP In This Chapter This chapter describes how to configure the Digi One PortServer TS 2 4 SNMP agent It discusses the following topics e About SNMP and the Digi One PortServer TS 2 4 Agent 14 2 e Configuration Procedure Web Interface 00000000005 14 3 e Configuration Procedure Command Line 00 5 14 3 Configuring SNMP 14 1 About SNMP and the Digi One PortServer TS 2 4 Agent This section introduces SNMP and network management in TCP IP networks and it describes the Digi One PortServer TS 2 4 agent It discusses the following Network management components The SNMP agent SNMP traps The Digi One PortServer TS 2 4 agent s MIB support The Di
70. ne speed in bits per second Typi cally you can set this to 115000 bps for modem connections Example set line range 3 baud 115000 4 If you do not want to use the Digi supplied dialer script genmdm and login script loginscript which work for most applications use the set script command to create your own scripts See the set script command in the Digi One PortServer TS Command Reference for more infor mation 5 If you do not want to use the Digi supplied outbound device gendialer which works for most applications enter the following command set device name name ports ports dialer name where e name name is the name for this device e ports are the ports to associate with this device e dialer name is the name of a dialer script either the Digi supplied script or a user created one 6 To create a PPP user enter the following command set user name name protocol ppp where name is the name of the PPP user Example set user name pppout protocol ppp 7 To configure this user for outbound connections enter the following command Configuring PPP 8 5 Example set user name name outgoing on device device where device is either the Digi supplied device or the outbound device created earlier in this pro cedure Example set user name pppout outgoing on device gendialer To configure an IP address for the local end of the PPP connection enter the following com mand set user name name localipaddr ip address
71. ng PPP on page 8 1 For more information on setting the port s flow control attributes see the set flow command in the Digi One PortServer TS Command Reference For information on setting up the port for autoconnection see Configuring Autoconnection on page 7 1 of this manual and the set ports command in the Digi One PortServer TS Command Reference For information on setting serial line operating parameters such as character size the number of stop bits and parity see the set line command in the Digi One PortServer TS Command Refer ence This procedure assumes that you Know the operating parameters required by the modem If you do not see the modem documen tation Have or will correctly cable the connection between the Digi One PortServer TS 2 4 serial ports and modems See the Digi One PortServer Cable Guide for more information Have logged in as root Supply a set ports command that specifies the following set ports range range dev min where range is a Digi One PortServer TS 2 4 port or range of ports Example set ports range 2 dev min Supply a set line command that specifies the following set line range range baud bps where range is a port or range of ports and bps is the line speed for this port Example set line range 2 baud 115200 Supply a set flow command that defines the flow control scheme required by the modem Configuring Ports for Modems 5 3 Example In this example ports 1 and 2 are set up for
72. not Telnet to the Digi One PortServer TS 2 4 Introduction Use the information provided in this discussion to troubleshoot network problems Assumptions This discussion assumes that the Digi One PortServer TS 2 4 itself is working that is that it completes the boot cycle Procedures Things to Try See Verify the IP address This procedure ensures that you are using the right IP address to Telnet to the Digi One PortServer TS 2 4 Verifying the Digi One PortServer TS 2 4 IP Address on page 18 7 Check for duplicate IP address This procedure ensures that two devices are not using the same IP address Checking for Duplicate IP Addresses on page 18 7 See if you can ping the IP address If you can ping the address but cannot Telnet to it you probably have a firewall problem See the Firewall documentation for more information Pinging an IP Address on page 18 7 Verify the network cabling Verifying the Network Cabling on page 18 8 If you cannot resolve the problem contact Digi Digi Contact Information on page 18 11 Digi One PortServer TS 2 4 Troubleshooting Symptom Trouble Accessing a Port Introduction Use this procedure if you are having trouble accessing a Digi One PortServer TS 2 4 port The specific problem might be that you cannot logon from a terminal or the printer or modem is not working properly Assumptions This discussion assumes the
73. ntended for another system Typically you use proxy ARP to move packets between physical networks that use the same IP network address By pretending to be the other system the Digi One PortServer TS 2 4 accepts responsibility for forwarding packets to that system Proxy ARP makes routing decisions based on either static routes or on routing information provided by RIP Introduction to Routing About RIP Routing Updates Introduction RIP Example RIP defines a method for propagating routing information among routers It provides IP software with the information needed to make intelligent routing decisions The information passed in RIP updates packets from router to router consists of two items a network ID and a hop count A hop count is the number of routers through which a packet must pass on its way from a source to a destination network In the example that follows Router R1 advertises using RIP that it can reach Net in one hop When Router R2 receives this advertisement it then knows that since it is on a common network with R1 that it can reach Net 1 in two hops It advertises this fact to other routers in the network who use this information to calculate their own routes to Net 1 Net 1 R1 Net 2 R2 Net 3 R3 Net 4 Problem with RIP Sending Updates Across a WAN RIP can be an expensive way to handle routing if RIP updates are regularly sent
74. nterfaces that control baud rate parity stop bits and flow control e It enables host administrators to do most of the required configuration on the host the system with which the administrator is most familiar e It dramatically reduces host CPU overhead because multiple terminal or printer sessions are multiplexed over the same TCP IP connection Configuring the RealPort Software You must install and configure RealPort software on each host that will use RealPort ports See the RealPort documentation for more information Configuration Options You can configure Dig One PortServer TS 2 4 for RealPort from the command line or using the web interface For information on using the web interface see Configuring Ports Web Interface on page 3 3 3 2 About RealPort Configuring Ports Web Interface Use this procedure to configure a port from the web interface 1 Access the web interface by entering the Dig One PortServer TS 2 4 IP address in a browser s URL window 2 Log in to the Dig One PortServer TS 2 4 as root The default password is dbps 3 From the main menu select Configure gt RealPort A screen similar to the following appears A RealPort Conneciware Information Configure Ports RealPort Users Menus RealPort configuration introduction The following pages will help you configure a port or ports on this PortServer TS 16 for use with the Digi RealPort driver This will overwrite any settings
75. nvergence problem both of which Digi One PortServer TS 2 4 implements The first is called split horizon which stipulates that learned routes are not propagated from the interface on which they are learned Had split horizon been used in the preceding example R2 would not have advertised to R1 that it could reach Net 1 Consequently R1 would never have Configuring IP Routing 9 3 regarded R2 as an alternate path to Net 1 The second is called poison reverse which stipulates that routes are advertised as unreachable on the interface on which the route is learned Had poison reverse been used in the preceding example R2 would have advertised Net 1 as unreachable in its RIP updates to R1 Again R1 would never have regarded R2 as an alternate path to Net 1 Digi One PortServer TS 2 4 Participation in RIP Updates 9 4 Digi One PortServer TS 2 4 s participation in the exchange of RIP updates can be configured on the set forwarding command This command allows you to configure Digi One PortServer TS 2 4 e To neither receive nor propagate RIP updates state off which means it must be configured for static routes set route command if it is to do any routing at all e To receive RIP updates but not advertise its own routes using RIP state passive e To both receive and pass RIP updates state active About RIP Routing Updates Configuring Static Routes This section describes how to configure Digi One PortServer TS 2 4
76. ollowing 1 Download an existing configuration file to a host system 2 Edit the file with specific configuration using a text editor 3 Upload the file to the the Digi Digi One PortServer TS 2 4 This an excellent method for maintaining highly similar configuration files for multiple Digi devices The disadvantage is that the Digi One PortServer TS 2 4 requires some configuration steps such as the IP address to be completed before it can be used Introduction 1 5 Configuration Prerequisites Accessing the Command Line from a Locally Connected Terminal Use this procedure to access the command line and the configuration from a terminal connected to one of the Digi One PortServer TS 2 4 s serial ports 1 3 Connect a terminal or PC to a serial port on the Digi One PortServer TS 2 4 e Fora terminal use the cable that came with your package e Fora Windows Hyperterminal connection use the cable that came in the package a straight through DB25 to DB9 modem cable and gender changers as required Configure the parameters of the terminal or terminal emulation software to work with the Digi serial port The default port settings are e VT 100 emulation e 9600 baud e 8 bit character e 1 stop bit e No parity Log in as the root user The default password is dbps Logging On As Root from the Command Line 1 2 At the login prompt enter the following root At the password prompt supply the root password The
77. on By Port Command Line Procedure Example 7 2 This section describes how to configure a port for autoconnection from the command line This procedure describes how to set up a port for autoconnection only It assumes that you have or will configure the port appropriately for a modem connection see Chapter 5 or terminal connection see Chapter 6 To configure a port to provide automatic connections for all port users supply a set ports command that specifies the following set ports range range auto on dest ip address dport tcp port where e range is a port or range of ports e ip address is the IP address of the host to which the autoconnection should be made e tcp port is a TCP port to use for this connection In this example port 2 is configured for automatic Telnet connections to a host set ports range 2 auto on dest 199 125 123 10 dev min dport 23 About Autoconnection Configuring a User for Autoconnection Web Interface 1 Access the web interface by entering the Digi One PortServer TS 2 4 IP address in a browser s URL window 2 Log in to the Digi One PortServer TS 2 4 as root The default password is dbps 3 Select Configure and then Users from the menu 4 To add an autoconnect user do the following a Choose Add User b Enter a name and then choose Submit c Choose the new user from the Name column d Configure the user Be sure to specify the following 1 Default Access Autoconnect 2 Enabl
78. on and administration procedures e Configuration examples Audience This manual is intended for the person responsible for configuring and administering Digi One PortServer TS 2 4 It assumes that this person has experience configuring network devices and is familiar with networking concepts Scope This manual provides step by step instructions for configuring and administering Digi One PortServer TS 2 4 s main features It does not address how to configure every option provide complete information on commands or discuss hardware installation These topics are covered in other documents in the Digi One PortServer TS 2 4 library About Command Line Examples In this manual many command examples are broken up and placed on two lines of the manual This is done to control where the line breaks making it as easy to read as possible When this is done the second line of the command will be indented slightly as shown below set menu range 6 tl Console Management Menu name Console Management Menu m3 Connect to System 1 c3 connect 1 m4 Connect to System 2 c4 connect 2 About Entering Commands on the Command Line On the Digi One PortServer TS 2 4 command line do not force a line break by pressing Enter or Return This will commit the command before you finish adding all command fields If your terminal does not support wrapping to the next line and long commands scroll out of sight the easiest way to enter long commands is by br
79. onal modem connections See the set ports command in the Digi One PortServer TS Command Reference for more infor mation Example set ports range 3 device min To configure flow control for the ports enter the following command set flow range range flow control scheme where range is the port or ports and flow control scheme is the flow control required for this connection Typically for modem connections RTS and CTS are on Example set flow range 3 ixon off ixoff off rts on cts on See the set flow command in the Digi One PortServer TS Command Reference for more infor mation To configure the baud rate for this connection enter the following command set line range range baud bps where range is the port or ports to configure and bps is the line speed in bits per second Typi cally you can set this to 115000 bps for modem connections Example set line range 3 baud 115000 To create an inbound PPP user enter the following command set user name name protocol ppp netservice on defaultaccess netservice where name is a name to assign the PPP user Example set user name pppin protocol ppp netservice on defaultaccess netservice To configure an IP address for the remote PPP user enter the following command set user name name ipaddr ip address where e name is the user s name e ip address is one of the following a A standard IP address in dotted decimal format b 0 0 0 0 which means the remote user will supply the IP
80. p In this example all ports are configured for RealPort set tcp realport 771 set ports range dev rp Configuring Ports for RealPort Command Line Chapter 4 In This Chapter Configuring Ports for Printers This chapter describes how to configure Dig One PortServer TS 2 4 ports for printer connections It discusses the following topics e Configuration Considerations 0 0 cece eee eee 4 2 e Configuring Ports for Printers Web Interface 0006 4 3 e Configuring Printer Connections Command Line 4 3 e Configuring a Port for Direct Access Printing 005 4 5 Configuring Ports for Printers 4 1 Configuration Considerations You should be aware of the following considerations if you intend to configure Dig One PortServer TS 2 4 to handle printers Using RealPort RealPort a feature that allows network based host systems to use the ports of the Dig One PortServer TS 2 4 as though they were the host system s own ports is an easy and efficient way for printers to use Dig One PortServer TS 2 4 ports For information on this option see Configuring Ports for RealPort on page 3 1 Determining Your Printer s Flow Control Requirements If you set the Dig One PortServer TS 2 4 flow control parameters incorrectly the printer may not print all data sent to it Consequently before you configure a Dig One PortServer TS 2 4 port for a printer check the pr
81. port defined on the autoport or autoconnect autoservice fields autohost autoconneet Autoconnection can also be implemented by port instead of by autoport user f autoservice This feature is configurable from the web interface Defines the type of access the user is restricted to Menu command ia ACCESS line autoconnect and outgoing and netserviceare the types defaultaccess e i y yP This feature is configurable from the web interface Defines the menu that is to be presented to a user with menu access Menu access menu This feature is configurable from the web interface Defines the number of outbound ports a user connected over the Port access LAN can access at one time maxsessions This feature is not configurable from the web interface PPP Defines PPP related parameters for the user There are too many fields to list here See the set user com mand for more information Routing updates Defines whether RIP routing updates are forwarded over the link to this user netrouting About Configuring Users 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 address in a browser s URL window Log in to the Digi One PortServer TS 2 4 as root The default password is dbps 3 Select Configure and then Users from the menu Configuring Users To add
82. rce host e The name of the configuration file on the host Example cpconf fromhost 199 250 121 12 cnfg fle Managing the OS and Configuration 16 5 Resetting the Configuration to Defaults 16 6 Use this section to learn how to use the revert command to reset the all or some of the configuration factory or to the latest configuration stored in NVRAM Note You can also use the range field on this command to define a range of ports with the serial port line flow keys and login options To Reset the To factory defaults specify To the latest version in NVRAM specify Entire configuration revert all factory revert all nvram altip configuration revert altip factory revert altip nvram arp configuration revert arp factory revert arp nvram auth configuration revert auth factory revert auth nvram set config configuration revert config factory revert config nvram set flow configuration revert flow factory revert flow nvram set host configuration revert host factory revert host nvram set keysconfiguration revert keys factory revert keys nvram set line configuration revert line factory revert line nvram set logins configuration revert login factory revert login nvram menu configuration revert menu factory revert menu nvram Modbus revert modbus factory revert modbus nvram altip arp host rout
83. re 1 To configure an IP address for the Ethernet interface enter the following command set config ip ip address where ip address is the IP address for the Ethernet interface Example set config ip 191 143 2 154 2 To configure a subnetmask enter the following command set config submask mask where mask is the subnet mask for this subnetwork Example set config submask 255 255 255 0 3 To ensure that this address is permanent turn DHCP off by entering the following command set config dhcp off 4 To configure a default gateway enter the following command set config gateway ip address where ip address is the IP address of the default gateway Example set config gateway 191 143 2 46 5 Reboot the Digi device at the prompt using the following command boot action reset Manual Configuration Example In this example set config commands configure the Ethernet interface and the boot command reboot the Digi device which is required for the address change to take affect set config ip 192 150 150 10 submask 255 255 255 0 dhcp off set config gateway 192 150 150 11 boot action reset Configuring an IP Address using DHCP and RARP About DHCP and RARP When the Digi One PortServer TS 2 4 boots it transmits a DHCP request and a RARP request This continues until an address is assigned Procedure To use RARP or DHCP follow these steps 1 Set up an entry for an address on a DHCP or RARP server If you intend to use RealPort do the follow
84. rs for each line feed the system sends b Use raw if no substitution should be performed e After the queue name insert an underscore character and the number of the Dig One PortS erver TS 2 4 port to which the printer is attached e Ifyou want to use either of the following options specify an additional underscore and then the letter that identifies the option a Use f to append a form feed character to the end of each file in a print job b Use d to add a Ctrl d to the end of each file in a print job This is often required by PostScript printers Examples String Result ascii_1 Prints to port 1 and translates CR to CR LF ascii_8 f Prints to port 8 translates CR to CR LF and prints a form feed at the end of the job raw_i_d Prints to port 1 with no translation and appends a Ctrl d to the end of the print job Configuration Considerations Tips for telnet and rsh Printing Here are some tips for handling telnet and rsh printing e If line feed and carriage return problems occur try supplying a set line command that specifies onlcr on This converts carriage returns to carriage return line feeds e If you want tab characters ASCII character 9 converted to 8 spaces use a set line command that specifies otab on Configuring Ports for Printers Web Interface Use this procedure to configure a port from the web interface 1 Access the web interface by entering the Dig One PortServer TS 2 4 IP address
85. se serial lines Procedure 1 Configure the links over which packets will be routed using a set user command This command must specify on the ipaddr field a specific IP address for the remote system using the Proxy ARP service 2 Configure Digi One PortServer TS 2 4 for Proxy ARP by supplying a set forwarding command that specifies the following e state passive e proxyarp on Example In this example Digi One PortServer TS 2 4 provides Proxy ARP services to a remote host 187 155 24 0 Digi Device PPP 187 155 24 11 set user name linkl ipaddr 187 155 24 11 set forwarding state passive proxyarp on Configuring IP Routing 9 7 9 8 Configuring Proxy ARP Chapter 10 Configuring Console Management In This Chapter e About Console Management 00 0 0 eee eee 10 2 e Configuring Console Management Web Interface 10 2 e Configuring Console Management Command Line 10 2 Configuring Console Management 10 1 About Console Management Digi One PortServer TS 2 4 can be configured to remotely manage network devices such as routers switches and servers which usually provide EIA 232 serial ports for management Using the Digi One PortServer TS 2 4 and TCP IP utilities like reverse Telnet and SSH2 network administrators can access consoled serial ports from a single station over the LAN Configuring Console Management Web Interface
86. ser name pppin localipadr 199 1 1 2 Configuring Inbound PPP Connections Command Line Configuring Outbound PPP Connections Command Line This section describes how to configure outbound PPP connections Use it to configure outbound only connections or to configure the outbound portion of bidirectional connections Note CHAP authentication works between two Digi devices CHAP will be negotiated to PAP for all other connections Procedure 1 To configure the port for a modem enter the following command set ports range range dev device where range is the port or ports and device is one of the following e mout for outbound only modem connections e mio for bidirectional modem connections See the set ports command in the Digi One PortServer TS Command Reference for more infor mation Example set ports range 3 device mout 2 To configure flow control for the ports enter the following command set flow range range flow control scheme where range is the port or ports and flow control scheme is the flow control required for this connection Typically for modem connections RTS and CTS are on Example set flow range 3 ixon off ixoff off rts on cts on See the set flow command in the Digi One PortServer TS Command Reference for more infor mation 3 To configure baud rate for this connection to the modem enter the following command set line range range baud bps where range is the port or ports to configure and bps is the li
87. set user name ssh userl newpass name ssh userl Using a Public Key To enable public key authentication and to associate a public key with a user enter the following command set user name name loadkey host key where e name is the name of a user e host is either an IP address or DNS name of a host running TFTP that holds e key is the name of a file that contains the DSA public key If your host s implementation requires a complete path to the file specify the path here as well Example set user name secure loadkey 143 191 2 34 ssh file Configuring Security Features 12 5 Configuring SSH Version 2 for Secure Communication Chapter 13 Configuring DNS In This Chapter This chapter discusses how to configure Digi One PortServer TS 2 4 to use DNS Topics discussed include the following e About the Domain Name System 0 0 0 0 00 eee eee eee 13 2 e Configuration Procedures 0 0 0 0 13 3 Configuring DNS 13 1 About the Domain Name System This section discusses key concepts of the domain name system Purpose of DNS The domain name system maps domain names to information associated with these names such as IP addresses DNS Components DNS components include e A distributed database consisting of domain names and associated information e A hierarchical system of domain name servers that maintain the database and use it to respond to requests for information about a particular domain name
88. ssue user passwords Related Information See the newpass and set user commands in the Digi One PortServer TS Command Reference Starting Point This procedure assumes that you have signed on as root and already configured the user to whom you will be issuing a password Procedure 1 Issue a newpass command that identifies the user on the name field to whom this password will be issued 2 When the system prompts you for a new password type in the password and then press Enter 3 When the system prompts you to enter the new password again type it in and then press Enter Example In this example the newpass command initiates a dialog with Digi One PortServer TS 2 4 that results in the user being assigned a password newpass name edm1001 12 4 Issuing User Passwords Configuring SSH Version 2 for Secure Communication This section discusses how to configure a user to use SSH version 2 encryption This feature is only available for the following devices Device Required Hardware Required Firmware Digi One TS 50000771 01A or higher 82000747a or higher PortServer TS 2 50000771 02A or higher PortServer TS 4 50000771 03A or higher Password Protection To configure simple password authentication for an SSH user no SSH specific configuration is required Simply configure a user by entering the following commands set user name name password on newpass name name where name is a user name Example
89. t Interface with DPA Remote Use this section to configure an initial IP address subnet mask and default gateway using DPA 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 Starting Point This procedure assumes the following Procedure That your Digi device supports this feature See Devices That Support DPA Remote and Ping ARP for IP Address Configuration on page 2 2 That your Digi device is connected to the Ethernet network That the Digi device has DHCP client turned on This is the default setting so it will be on unless it was turned off That you do not have a DHCP server to serve IP address If you do use the DHCP procedure See Configuring an IP Address using DHCP and RARP on page 2 5 That you have installed DPA Remote version 2 01 11or later For information on installing DPA Remote see the Digi Port Authority Remote Device Monitor Setup Guide which is on the Access Resource CD Run DPA Remote If DPA Remote is not set for ADDP choose ADDP as the Discovery Protocol 3 Choose Discover A list of Digi devices appears Systems with IP addresses of 0 0 0 0 need IP addresses Select a device from the list and then choose Configure 5 Supply an IP address subnet mask and default gateway and then choose OK DPA Remote configures the IP address subnet mask and default gateway Configuring the IP
90. ted over the Ethernet interface Key features include the following e The address on the net field is IP address of a specific device not a subnetwork address e The wannane is the name of a PPP user e The metric field indicates that packets to this subnet will pass through two routers e The gateway field indicates that all packets using this route are to be forwarded to the device at IP address 191 21 21 2 set route net 199 21 33 44 mask 255 255 255 255 metric 2 wannname pppl gateway 199 21 21 2 Configuring IP Routing 9 5 Configuring Dynamic Routes Using RIP This section describes how to configure Digi One PortServer TS 2 4 for dynamic routing Related Information See the set forwarding command in the Digi One PortServer TS Command Reference Starting Point This procedure assumes that you have sign on as root and have or will configure modems modem scripts devices and filters for routes that use serial lines Procedure 1 Configure the links over which routed packets and RIP updates will be sent e To enable routing over the LAN to which Digi One PortServer TS 2 4 is attached no rout ing specific configuration is required e To enable routing over PPP links be sure to use the netrouting field on the set user command to configure how Digi One PortServer TS 2 4 handles RIP updates You can configure the link so that Digi One PortServer TS 2 4 does any of the following with RIP updates Both sends and receives them ne
91. thernet interface see Configuring the IP Address on page 2 1 e Terminal connections see Configuring Ports for Terminals and Computers on page 6 1 e Modem connections see Configuring Ports for Modems on page 5 1 Illustration Host 192 250 150 9 one 192 250 150 10 Digi Device Terminals Modems Configuration set config ip 192 250 150 10 submask 255 255 255 0 set ports range 1 2 dev term auto on dest 192 250 150 9 dport 23 set line range 1 2 baud 9600 set flow range 1 2 ixon on ixoff on 1 set ports range 3 4 dev min set line range 3 4 baud 115200 set flow range 3 4 ixon off ixoff off rts on cts on 2 set user name userl autoconnect on defaultaccess autoconnect autohost 192 250 150 9 autoport 23 password off 3 Configuration Notes 1 The first set of set ports set line and set flow commands configure ports 1 and 2 for terminals autoconnection Telnet dport 23 and software flow control 2 The second set ports set line and set flow commands set up ports 3 and 4 for incoming modem connections and RTS CTS flow control 3 The set user command configures the user for automatic connection to the host specified on the autohost field using Telnet autoport 23 Configuration Examples 17 3 Terminal Server Configuration Using RealPort In this example the Digi One PortServer TS 2 4 is simply providing ports for the LAN based host using R
92. trolled TFTP access make sure that the file etc tftpaccess ctl exists and verify that it only allows access to public directories If this file is not present tftp will allow full access A sample file is located in the directory usr lpp tcpip samples e Restart the inetd process with these two commands ps ef grep inetd This will report back the inetd process number Kill 1 inetd_PID Where inetd_PID is the process number for the inetd process reported by the previous command Resetting Digi One PortServer TS 2 4 Configuration to Defaults Use this topic to reset the Digi One PortServer TS 2 4 configuration to defaults Note This procedure causes the Digi One PortServer TS 2 4 to lose all configuration changes If you have a complex configuration contact Digi before performing for information on saving your configuration See Digi Contact Information on page 18 11 for information Procedure 1 Use a pen the point of a paper clip or some other device to press the recessed button on the front panel 2 While holding down the button power on the Digi One PortServer TS 2 4 3 When the 1 5 1 LED pattern is displayed release the button The device boots up 18 6 Resetting Digi One PortServer TS 2 4 Configuration to Verifying the Digi One PortServer TS 2 4 IP Address Use this procedure to check the IP address on the Digi One PortServer TS 2 4 1 Connect a terminal to a Digi One PortServer TS 2 4 port 2 Ifthe port
93. trouting both Sends them only netrouting send Receives them only netrouting receive Neither sends nor receives them netrouting off 2 Configure the Digi One PortServer TS 2 4 for dynamic routing with a set forwarding command that specifies state active You may also want to turn on the poisonreverse and splithorizon fields to prevent the RIP slow convergence problem discussed on page 9 3 See the discussion on the set forwarding command provided in the Digi One PortServer TS Command Reference for more information Example Dynamic Routes In this example which shows only those commands and command fields pertinent to routing Digi One PortServer TS 2 4 is configured for dynamic routing using RIP But to prevent RIP updates from being sent across the PPP link the set user command that defines the link specifies netrouting off 192 150 75 0 Router 187 100 46 9 Digi Device PPP set forwarding state active poisonreverse on splithorizon on set user name linkl netrouting off 9 6 Configuring Dynamic Routes Using RIP Configuring Proxy ARP This section describes how to configure Digi One PortServer TS 2 4 for Proxy ARP Related Information See the set forwarding command in the Digi One PortServer TS Command Reference Starting Point This procedure assumes that you have signed on as root and have or will configure modems modem scripts devices and filters for routes that u
94. ual and in the Digi One PortServer TS Command Reference to complete your configuration In This Chapter This chapter provides the following discussions e Terminal Server Configuration Without RealPort 0 17 2 e Terminal Server Configuration Using Autoconnection 17 3 e Terminal Server Configuration Using RealPort 00 17 4 Configuration Examples 17 1 Terminal Server Configuration Without RealPort In this configuration Digi One PortServer TS 2 4 functions as a terminal server providing Telnet and Rlogin access to hosts This configuration enables the following e Telnet or Rlogin access to the LAN based hosts both from locally connected terminals and from devices accessing the LAN from the telephone network e Access for the LAN based hosts to Digi One PortServer TS 2 4 ports sometimes called reverse Telnet Related Information For more information on configuring e The Ethernet interface see Configuring the IP Address on page 2 1 e Terminal connections see Configuring Ports for Terminals and Computers on page 6 1 e Modem connections see Configuring Ports for Modems on page 5 1 Illustration Host Host 192 250 150 9 192 250 150 17 192 250 150 10 Digi Device Terminals Modems Configuration set config ip 192 250 150 10 submask 255 255 255 0 1 set ports range 1 2 dev
95. ure users It covers the following topics About Configuring Users ss ccr eee ee ero POR PER EE RRA E 15 2 Common User Features 0 0 0 cee eee 15 2 e Configuring a User Web Interface 0 00 eee eee eee 15 3 e Configuring a User Command Line Examples 15 4 Configuring Users 15 1 About Configuring Users Although it is not required the Digi One PortServer TS 2 4 is often configured to accommodate the requirements of particular users Typical configurable user attributes include the following e Whether the user is required to supply a password e Autoconnection attributes such as the system to which the user should be automatically con nected at login e The interface the device presents the user such as a menu or command line e Whether the user has access to outbound ports Note For information on configuring PPP users see Configuring PPP on page 8 1 Configuration Methods You can configure users in the following ways e With the set user command See the set user command in the Digi One PortServer TS Command Reference e With the web interface Common User Features This section discusses common user related features For a complete list see the set user command in the Digi One PortServer TS Command Reference 15 2 Feature Description set user Field Automatically connects the user to the host specified on the auto host field using the service TCP
96. with DPA Remote 2 3 Configuring the IP Address Using Ping ARP 0008 2 4 Configuring the Ethernet Interface from the Command Line 2 5 Configuring an IP Address using DHCP and RARP 2 5 Configuring the IP Address 2 1 Options for Configuring the IP Address and Mask Options The Digi One PortServer TS 2 4 IP address can be configured using the following methods e With Digi Port Authority Remote a Digi utility e By updating the ARP table on a server and then pinging the Digi device called Ping ARP e From the command line using the set config command e Using a RARP server e Using a DHCP server The IP address and mask can also be changed using the web interface This method however does not work for the initial IP address configuration Devices That Support DPA Remote and Ping ARP for IP Address Configuration Not all Digi devices can use DPA Remote and Ping ARP for IP address configuration To determine if you can use these features find the hardware label on your Digi device and then use the table below to determine whether this feature is available Device Part Number Revision Required Digi One IA RealPort 50000764 01 F or higher Digi One RealPort 50000723 01 J or higher PortServer TS 2 50000723 02 J or higher PortServer TS 4 50000723 03 G or higher 2 2 Options for Configuring the IP Address and Mask Configuring the Etherne

Digi International Network Hardware TS 2/4 User's Manual

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