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HP 9000 Series 700, Manual

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141

12

Configuring DTC Manager for operation with
MC/ServiceGuard

MC/ServiceGuard ensures non-interrupted operation or “high availability” for
DTC Manager/UX by providing the capability to transfer DTC management to
another HP 9000 host (node) in the event of system failure.

MC/ServiceGuard manages a “package” of applications that can be relocated to
another node within an MC/ServiceGuard cluster.

MC/ServiceGuard cluster

If the original host fails, another system in the cluster (the adoptive host) takes over
management of the original host’s DTC(s). The original host is returned to the
cluster when it is operational again. However, the adoptive host retains ownership of
the DTC(s) until it fails, or until the system manager intervenes to return ownership
to the original host.

The system administrator can manually transfer the management of the DTCs
temporarily to another node in the cluster to perform system maintenance on the
original host.

LAN 0

MC/ServiceGuard

 Original Host

dtc1

dtc2

 Adoptive Host

package

package

MC/ServiceGuard

If original host fails

DTC configuration

DTC Manager

DTC Manager

 files

DTC configuration

 files

Summary of Contents for 9000 Series 700

Page 1: ...Using the HP DTC Manager UX HP 9000 Series 700 and 800 Computers ...

Page 2: ......

Page 3: ...ected by copyright All rights are reserved No part of this document may be photocopied reproduced or translated to another language without the prior written consent of Hewlett Packard Company The information contained in this document is subject to change without notice UNIX is a registered trademark in the United States and other countries licensed exclusively through X Open Company Limited REST...

Page 4: ...95 Edition 6 May 1997 Edition 6 is released with software versions A 14 4A 010 for HP UX version 10 10 A 14 4A 020 for HP UX version 10 20 and A 14 4A 030 for HP UX version 10 30 Comments Comments on this manual can be sent to the following address The Manager Learning Products Usability Enterprise Networking Security Division Hewlett Packard France 5 Avenue Raymond Chanas Eybens 38053 GRENOBLE Fr...

Page 5: ... DTC Manager UX 25 Installing DTC Manager UX with HP UX 10 x 26 Installing the software 26 Preparing the environment for the required daemon processes 28 Running the daemons without rebooting 29 Verifying that the daemons are running 30 Verifying the software version 32 If you don t want DTC Manager to be started automatically 32 Removing DTC Manager UX 32 Stopping the daemons 32 Other file handli...

Page 6: ...onfig 53 Modifying a DTC configuration 54 Using the Rear Panel Configuration screen 56 Entering values in the board and port fields 57 Rear panel configuration screen examples 59 7 Configuring a DTC CPU LAN or LAN board with dtcconfig 61 Configuring CPU LAN or LAN board parameters 62 Configuring LAN addresses 65 LAN address parameter definitions 66 Configuring global parameters 67 Global parameter...

Page 7: ...mmands with dtcconfig 111 Modifying the default parameters 112 Deleting a DTC 116 Adding a board to a DTC 117 Deleting a board from a DTC 117 Copying and pasting configurations 118 What you can copy and paste 118 Copying and pasting a board or port 120 10 Modifying configurations with dtcmodifyconfs 123 About dtcmodifyconfs 123 Using dtcmodifyconfs 125 Copying and pasting configurations 125 Export...

Page 8: ...in a high availability package 147 Future configurations 148 When you modify DTCs 148 When you add new DTCs 148 13 Diagnosing problems with dtcdiag dtcping and dtccheckip 149 About dtcdiag 150 Using dtcdiag 153 Resetting DTCs boards and ports 153 Testing DTCs boards and ports 153 Running loopback tests 154 Getting the status of a DTC LAN board or a Port 154 Switching DTC management to another host...

Page 9: ...t daemons are running 180 Download problems 180 Solving dtcconfig dtcping and dtcdiag problems 180 Checking that the Internet Services software is operational 180 A DTC terminal user commands 181 DTC terminal user interface parameters 181 DTC user interface commands 182 Examples of DTC user interface commands 184 B DTC Manager UX file system 187 HP UX 10 x file system 187 File listing by directory...

Page 10: ...10 Contents ...

Page 11: ...only to HP UX 10 x The HP UX 9 x paths and directories are described in Appendix B The HP DTC Manager UX running on HP UX 9 x cannot be used on an HP 9000 Series 700 The HP DTC Manager UX running on HP UX 10 30 cannot be used on an HP 9000 Series 700 The DTC Manager UX is an application program that resides on the HP 9000 host system and enables you to configure and diagnose Hewlett Packard DTCs I...

Page 12: ...ns and Terminal Controller Installation and Service Manual 02340 90001 for the DTC 16 product HP J2060A J2062A J2063A DTC 16xx Terminal Server Installation Guide 5959 4986 for the DTC 16xx family of products HP J2070A DTC 72MX Terminal Server Installation Guide J2070 90001 for the DTC 72MX product DTC Cabling and Racking Guide 5961 0373 for information on installing the DTC in racks and cabinets a...

Page 13: ...xiii Related HP Documentation PC based DTC Manager manuals HP OpenView DTC Manager User s Guide D2355 95036 DTC Planning Guide D2355 95017 HP DTC Technical Reference Manual 5961 9820 ...

Page 14: ...xiv Related HP Documentation ...

Page 15: ...anaging DTCs from a PC or from an HP 3000 system DTC overview The HP Data communications and Terminal Controller DTC is a versatile communications server for connecting systems to terminals printers and other asynchronous devices The types of connections available through a DTC are determined by the connector cards or boards mounted in and configured for that DTC A DTC controls the transfer of dat...

Page 16: ...to the DTC hardware installation manuals for more detailed descriptions of the DTCs DTC Manager UX overview The DTC Manager UX also referred to as the DTC Manager consists of a set of commands for configuring and troubleshooting DTCs except DTC 16RX DTC 16iX DTC 48 3000 and HP ARPA Telnet Express The firmware of the DTC itself contains only the code for self test self diagnostics and download prot...

Page 17: ...nloads EEPROM code to a board dtcstat obtains the status of a DTC dtctest tests a CPU LAN board or a selected port dtcconnstat obtains the status from selected ports dtcquickswitch switches DTC management from one host to another dtctraceon turns on extended trace on selected ports dtctraceoff turns off extended trace on selected ports dtcmodifyconfs modifies owns disowns and exports imports DTC c...

Page 18: ... executes the network management protocol enabling DTC requests to be sent and received between the DTC Manager UX user interfaces dtcconfig dtcdiag and dtcmodifyconfs and the DTC The dtcnmp daemon is always started by dtcnmd If you need information on the dtcnmd dtcnmp and rbootd daemons refer to your man pages DTCs that can be managed by DTC Manager UX Five types of DTCs can be managed by the DT...

Page 19: ...mounted in the slots they are often referred to by their slot locations for example the board contained in slot 1 becomes board 1 Note DTC 48s with a date code less than 3110 require a memory extension and must be upgraded with the DTC 48 Upgrade Kit HP product 2348A DTC 48s with a date code of 3110 or later and DTC 16s do not require a hardware memory extension DTC 72MX The DTC 72MX can be fitted...

Page 20: ...cimal number in the range 0 to 255 Be sure that you Assign a unique IP address to each IP node in your network Do not assign network addresses or node addresses that are all 1s or all 0s These addresses are reserved To obtain Class B or Class C IP addresses contact Government Systems Inc at the address below Government Systems Inc ATTN NETWORK INFORMATION CENTER 14200 Park Meadow Drive Chantilly V...

Page 21: ...ded software responsible for much of the data communications processing done by the DTC It also provides the DTC with its connection point to the LAN via an attachment unit interface AUI cable and a medium attachment unit MAU for ThickLAN connection or a BNC T Connector for ThinLAN connection In the DTC 16 and DTC 48 the processor board on the DTC is called a CPU LAN In the DTC 16TN and DTC 72MX t...

Page 22: ...1 22 Special DTC terminology ...

Page 23: ...es 700 or 800 LAN 9000 LINK hardware components including a minimum of one LAN interface card LANIC and up to 4 LAN devices for an 800 system a terminal connected to a MUX at least 20 Mbytes of free disk space for the DTC Manager UX software additional disk space depending on the number of DTCs the DTC types and the space you need for upload files1 during troubleshooting The upload files are locat...

Page 24: ...re that you have the following software installed and operational on your HP 9000 HP UX Operating System version 10 x or 9 x for your HP 9000 series Internet Services LAN 9000 Supported terminals The following terminals are supported with the DTC Manager UX HP compatible terminals with programmable function keys and on screen display of function key labels HP terminals with ASCII mode Wyse 30 Wyse...

Page 25: ...ystem in much the same way as if you were installing from scratch If you are installing DTC Manager on an upgraded system check that the product files are in the correct location A DTC Manager migration will occur as part of the installation process You will have to reset your DTCs which ensures that the upgrade and migration have been successful see Resetting a DTC Board for more information You ...

Page 26: ...ation about the utility s various options and functions 1 Log in as root 2 Start the installation utility by entering swinstall at the shell prompt Note You may need to select the target system from the Target Selection screen depending on your configuration 3 At the Specify Source screen enter the name of the host system where the device used to load the software is mounted 4 Enter the path to th...

Page 27: ... to exit the Logfile screen and then select OK again at the Install Analysis screen A confirmation screen prompts you to confirm your intention to install the selected product s 10 Select Yes to proceed with the installation The Install screen appears with a display of installation information When the installation is completed verify that the Status line in the Install screen displays Completed 1...

Page 28: ... netdaemons configuration file The etc rc config d netdaemons configuration file contains data related to Internet Services 1 Open the netdaemons configuration file with your text editor or use ch_rc and go to the following lines export START_RBOOTD 0 export RBOOTD_DEVICES To make the rbootd daemon start automatically when the system is booted ensure that the value at the end of the START_RBOOTD l...

Page 29: ...red daemon processes Note The netdaemons configuration file must contain the values described in the previous section before you can start the daemons without rebooting your system Normally the daemons are started automatically each time you boot your system If you do not want to reboot your system at this time you can start the daemons manually by following the steps below 1 If the required daemo...

Page 30: ...md log files to check for errors when the daemons were started up Execute the HP UX tail command from the shell prompt to look at the log files Make sure that the tail command shows enough information Note The following commands are for HP UX version 10 0 before 10 30 tail var adm rbootd log Sat Jan 1 08 48 46 2000 STARTUP Sat Jan 1 08 48 47 2000 INITIALIZATION COMPLETE tail var opt dtcmgr log dtc...

Page 31: ...000 type Ether lan0 index 0 Sat Jan 1 08 48 55 2000 ppa 1 Sat Jan 1 08 48 55 2000 type Ether lan1 index 1 Sat Jan 1 08 48 55 2000 ppa 2 Sat Jan 1 08 48 55 2000 type Ether lan2 index 2 Sat Jan 1 08 48 55 2000 ppa 3 Sat Jan 1 08 48 55 2000 type Ether lan3 index 3 Sat Jan 1 08 48 55 2000 found 4 supported rbootd interface s Sat Jan 1 08 48 55 2000 nmd_main got 4 lan devices Sat Jan 1 08 48 55 2000 ma...

Page 32: ... Open the etc rc config d dtcmgr file with your text editor or use ch_rc and change the START_DTCMGR 1 parameter to START_DTCMGR 0 and save the file Removing DTC Manager UX If you need to remove DTC Manager UX software from your system use the swremove utility Caution If you use swremove all DTC Manager files will be permanently removed you cannot recover them This includes all configuration log a...

Page 33: ...nd at the shell prompt update 6 Look at the source device file name displayed on the screen If your source is different then go to step 7 If your source is the same go to step 11 7 Select Change Source or Destination from the main menu 8 Select From Tape Device to Local System from the main menu 9 Verify that the device file name in the Source field refers to the tape drive with the product softwa...

Page 34: ...there were no previous DTC configuration files to be updated from the old version to the new version The WARNING does not mean that the installation was not successful If any DTCs were updated you would see the names of those DTCs 3 If the installation is not successful review the hardware and software requirements in chapter 2 to ensure that your environment meets the management software s requir...

Page 35: ...he installation a If you are upgrading from a previous release of DTC Manager UX execute the following command for each DTC dtcreset dtcname b then configure your DTCs using DTC Manager UX 4 If the LAN device file name that corresponds to the LAN on which your DTCs are connected is not indicated as lan0 full path name dev lan0 go to the next section Modifications for LAN device file names other th...

Page 36: ...e automatically started up when you reboot the system as follows a Display the file etc rc b Ensure that the shell variable RBOOTD_DEVICES is declared and that it includes the LAN device file name corresponding to the LAN on which the DTCs are connected c If the shell variable RBOOTD_DEVICES is set for multiple LAN device file names replace the line in the file etc rc that reads if etc dtcnmd RBOO...

Page 37: ...the last few lines of the log file This log file is the location that reports whether the process is running These log files also contain all the error messages that might have occurred during startup and running of the daemons 3 If the log files indicate INITIALIZATION COMPLETE you can now use the DTC Manager UX commands and then configure your DTCs using DTC Manager UX 4 If you are upgrading fro...

Page 38: ...tware installed on your system a special script file will create a backup copy of the old version when you run the update or swinstall utility Complete details of the software installation are recorded in the update log file in HP UX 9 x or the swagent log file in HP UX 10 x Automatic upgrade of DTC configuration files You do not have to reconfigure each DTC after upgrading to a new version of DTC...

Page 39: ...e LAN support networking protocols and manage connections configuration information information on how the DTC and its boards ports and connections should behave A DTC only contains some software in ROM so the functional software and the configuration information must be downloaded from the DTC Manager to the DTC When a DTC is powered on or reset it runs a series of self tests then sends a message...

Page 40: ...sfully configure your DTCs with information contained in chapter 5 This will enable you to connect terminals to your DTCs If your site requires a more complex configuration refer to the appropriate chapter later in this book The configuration procedure Run the dtcconfig program Add DTC Configuration Choose DTC name Find DTC LAN address DTC IP address DTC nodename DTC type Connect terminal and get ...

Page 41: ...t executing dtcconfig overwrites the log file The default log file is var opt dtcmgr log dtcconfig log l loglevel Sets the amount of information that will be logged in the log file for this dtcconfig execution Specify one of the following logging levels 0 Logs only startup and termination messages of dtcconfig 1 Logs serious and fatal error messages and level 0 messages This is the default logging...

Page 42: ...the command associated with that letter you do not have to press Return If several options start with the same letter enter the letters of the option until it is unique for example con for the Configure option and cop for the Copy function This abbreviated method does not work when selecting from a list of valid field options such as found in a HELP screen If you enter an incorrect value for a fie...

Page 43: ...cannot be used when dtcconfig is running See chapter 6 for more information on this menu item Delete DTC Configuration enables you to delete one or more DTCs from your list of DTCs See chapter 9 for more information on this menu item Modify Default Parameters enables you to modify the user default CPU LAN or LAN configuration and the default port configuration See chapter 9 for more information on...

Page 44: ...r delete This function key is on almost every screen F3 Shell Used to temporarily access the HP UX shell After you have finished entering shell commands type exit to return to the dtcconfig utility This function key does not appear on every screen You cannot execute another dtcconfig dtcdiag dtcping or dtcmodifyconfs command from the shell because only one instance of these commands can run at a t...

Page 45: ...u must move the cursor to the beginning of the line Insert Char It is best to make sure that Insert Character mode is off In some fields Insert Character mode is functional However in most fields using it results in no action from the keyboard that is the keyboard does not respond when you try to type a value into a field Clear Display This key is disabled Insert Line This key is disabled Enter Th...

Page 46: ...tion or Modify DTC Configuration screens the Help F1 function key displays a list of DTCs for you to choose Exiting from dtcconfig After pressing the Exit Task F8 function key several times you eventually return to the dtcconfig main menu From the main menu when you press the Exit DTCconf F8 function key a pop up message prompts you to quit or not quit Enter a y to quit Enter an n to remain in dtc...

Page 47: ...ng to the user defined DTC default parameters DTC parameters are initially set to HP factory defined default values If you need to modify these values you can use the dtcconfig utility s Modify DTC Configuration option to do so Refer to chapter 9 if you want to set your own default parameters Before the DTC begins a download process it communicates its hardware configuration to the management plat...

Page 48: ...f one of the four types DTC 16TN DTC 16 DTC 72MX or DTC 48 To configure a DTC 16MX proceed as if you were adding a DTC 16TN When managed by the DTC Manager UX the DTC 16MX is configured and functions exactly like a DTC 16TN Press Return or TAB or use the arrow keys to move to each field Use the online help for more information about each field Enter the number of DTCs you want in a list tsta195 ro...

Page 49: ...cconfig 9 Turn each DTC s power off and then on power off on Wait a few minutes for the configuration to be downloaded to the DTC The DTC is now operational tsta195 root opt dtcmgr sbin Help Shell Perform Task tsta195 root Exit Task Add DTC Configuration Fill in the fields and then press Perform Task F4 DTC Name DTC LAN Address DTC IP Address DTC Node Name mydtc1 mydtc2 ______ ______ ______ ______...

Page 50: ... LAN address is not correct Delete the DTC and then add it again 3 If you still cannot establish a connection go to the troubleshooting section in chapter 15 Configuration parameter definitions DTC Name Enter a name consisting of up to 8 alphanumeric characters You can include hyphens and underscores _ but the first character must be alphabetic The DTC name field must not be left blank The DTC nam...

Page 51: ...r communication between the terminal and the system the Ethernet protocol is used Ethernet and IEEE 802 3 LAN protocols are similar and can coexist on the same physical LAN using the same physical address configured in the DTC LAN Address field The address you define here will also be used as the Ethernet address for the DTC DTC IP Address Enter a value in the form xxx xxx xxx xxx where xxx is a d...

Page 52: ...yphens and underscores _ As you enter the name it shifts right to extend beyond the visual line The DTC Node Name is a unique node name to identify a DTC within a system or network For simplicity the DTC name and the nodename portion of the DTC node name are often the same name However they are used for separate tasks by the DTC Manager UX and the system DTC Type Enter an X or an x in one of these...

Page 53: ...d in chapter 10 Note The instructions in this chapter presume that DTC Manager UX is already properly installed and that the DTC you want to modify is physically present on the network and switched on In addition it is presumed that you are familiar with the basic use of the dtcconfig menus and function keys as described in chapter 4 Once you have modified the DTC refer to the appropriate chapter ...

Page 54: ...he Select Item F4 function key 4 The DTC Rear Panel Configuration screen appears Enter the board and port numbers to be modified Refer to the online help for detailed explanations of the board and port fields 5 Press the Action Menu F5 function key and select the option you want The Action Menu varies depending upon the type of DTC or board 6 When you have finished modifying parameters press the A...

Page 55: ...ameters you must download the new configuration to the DTC tsta195 root opt dtcmgr sbin Rear Panel Configuration Fill in the DTC 16TN board and port fields and then press Action Menu F5 Help Select Action tsta195 root Exit Window juin 0 8 Configure LAN Addresses Configure Global Parameters Configure TCP Parameters Configure DNS IP Parameters Configure SNMP Authorization Filters Configure SNMP MIB ...

Page 56: ... screen allows you to perform the following tasks Configure global DTC parameters on the CPU LAN or LAN board Configure ports on a particular board see Configuring terminal and printer ports on page 87 Copy a board within a DTC or to another DTC see Copying and pasting a board or port on page 120 The Rear Panel Configuration screen for each type of DTC is shown on the following pages 1 Select Modi...

Page 57: ... be in any slot but is usually in slot 0 You can specify the LAN board using L l or the number of the board 2 Press the Action Menu F5 key 3 Choose the menu item corresponding to the DTC parameter you want to change Use the following information to configure the DTC global parameters Configuring port parameters Note You cannot go to the port field of the Rear Panel Configuration screen if you spec...

Page 58: ...are valid DTC 16TN 0 through 15 direct connect or modem ports DTC 16 0 through 7 direct connect ports 0 through 5 modem ports DTC 48 0 through 7 direct connect ports 0 through 5 modem ports DTC 72MX 0 through 23 direct connect or modem ports 3 Press the Action Menu F5 4 Choose the menu item corresponding to the DTC parameter you want to change Refer to chapter 8 to configure ports ...

Page 59: ...port fields and then press Action Menu F5 Help tsta195 root Exit Task juin Board L LAN or B board Port 0 15 0 T 8 T 1 P 9 T 2 T 10 T 3 P 4 T 5 T 6 T 7 T DIRECT 11 T 12 T 13 T 14 T 15 T DIRECT LAN Shell Action Menu tsta195 root opt dtcmgr sbin Rear Panel Configuration Fill in the DTC 16 board and port fields and then press Action Menu F5 Help edith74 use Exit Task NESS Board C CPU LAN or 0 1 board ...

Page 60: ...0 Board 1 Board 2 0 T 2 T 4 T 1 T 3 T 5 T Board 3 Board 4 Board 5 CPU LAN tsta195 root opt dtcmgr sbin Rear Panel Configuration Fill in the DTC 72MX board and port fields and then press Action Menu F5 Help tsta195 root Exit Task wally Board L LAN or 0 3 board Port 0 23 Shell Action Menu Board 0 Board 1 Board 2 0 T 2 T 4 T 1 T 3 T 5 T Board 3 LAN 8 T 9 T 10 T 6 T 7 T DIRECT 11 T 12 T 13 T 14 T 15 T...

Page 61: ...C Configuration menu that provides functions to modify a single DTC Note The procedures in this chapter presume that you have added at least one DTC to the list of configured DTCs It is also presumed that you are familiar with the basic use of the dtcconfig menus and function keys as described in chapter 4 If you want to modify multiple DTC configurations at the same time use the dtcmodifyconfs co...

Page 62: ...welcome message Enable DTCDF access DTCDF password TCP parameters which are TCP timers that may need to be altered for extended LAN configurations DNS IP parameters which include default DNS domain name server and backups default IP router addresses and backups SNMP authorization filters which include your network s SNMP management nodes the information that these nodes can request and the rights ...

Page 63: ...s 4 A screen appears displaying the current values Change the values you want to change and press Done F4 In some screens you can choose HP defaults user defined defaults or enter other values Press the Default Values F6 function key to see the HP defaults and user defined defaults tsta195 root opt dtcmgr sbin Rear Panel Configuration Fill in the DTC 16TN board and port fields and then press Actio...

Page 64: ...eturn to the main menu of dtcconfig tsta195 root opt dtcmgr sbin Rear Panel Configuration Fill in the DTC 72MX board and port fields and then press Action Menu F5 Help tsta195 root Exit Task wally Board L LAN or 0 3 board Port 0 23 Shell Action Menu Board 0 Board 1 Board 2 0 T 2 T 4 T 1 T 3 T 5 T Board 3 LAN 8 T 9 T 10 T 6 T 7 T DIRECT 11 T 12 T 13 T 14 T 15 T DIRECT DIRECT DIRECT DIRECT DIRECT 16...

Page 65: ... screen 4 The parameters in this screen cannot be modified dynamically Exit from dtcconfig and download the changes to the DTC by executing the following command at the shell prompt dtcreset dtcname tsta195 root opt dtcmgr sbin DTC Configuration Main Menu Highlight an item and then press Return or Select Item F4 Add DTC Configuration Modify DTC Configuration Delete DTC Configuration Modify Default...

Page 66: ... nodename portion of the DTC node name are often the same name For example the dtcname could be mydtc1 and the DTC node name could be mydtc1 mysys mycorp edith74 users edith Rear Panel Configuration Fill in the DTC 16TN board and port fields and then press Action Menu F5 Help Done edith74 use Exit Window 0 8 Configure LAN Addresses Configure Global Parameters Configure TCP Parameters Configure DNS...

Page 67: ...endix A Enter the appropriate values in the provided fields and then press the F4 key tsta195 root opt dtcmgr sbin DTC Configuration Main Menu Highlight an item and then press Return or Select Item F4 Add DTC Configuration Modify DTC Configuration Delete DTC Configuration Modify Default Parameters Help for Using DTCconfig Help Shell Select Item tsta195 root Exit DTCconf DTC Name Click here or pres...

Page 68: ... the desired fields and then press Perform Task F4 Help tsta195 root Exit Window juin Select Action Event Logging Class mark with an x as many as desired 1 2 3 4 5 6 DTC User Interface Timeout 5 300 seconds User Prompt maximum of 16 characters Welcome Message maximum of 400 characters optional 300 DTC optional Enable DTCDF Access DTCDF Password AVESTA ...

Page 69: ...an x in the corresponding field Note Currently Logging Class 4 does not supply event information even if the field is marked DTC User Interface Timeout Specify a timeout value between 5 and 300 seconds for the DTC The default timeout is 300 seconds A terminal user using the connect command to connect to a system via the DTC must attempt to connect to the system within this amount of time The DTC w...

Page 70: ...r format for example K means Ctrl K Put a backslash before a literal caret or a backslash to ensure these characters appear correctly on the screen The welcome message is an optional parameter Do not use the keyboard Enter key carriage return to create line breaks in the welcome message Using the Enter key terminates the DTC configuration steps Use the M J Ctrl M Ctrl J keys to force the text onto...

Page 71: ... Password This field contains the password you must give to your Hewlett Packard support engineer to allow access to DTC memory for troubleshooting Enter up to eight alphanumeric characters as the DTCDF password The initial setting is AVESTA ...

Page 72: ...3 for traffic over a LAN with exceptionally high transmission times Set 4 for networks with high data losses Set 5 for extended switching applications over a LAN or a LAN with bridges 2 Press the Done F4 function key to return to the Rear Panel Configuration screen tsta195 root opt dtcmgr sbin DTC Configuration Main Menu Highlight an item and then press Return or Select Item F4 Add DTC Configurati...

Page 73: ...0 Connection assurance timer 3000 3000 3000 3000 3000 Window probe timer 1200 1200 1200 600 1200 Number of retries for data 4 6 6 10 6 tsta195 root opt dtcmgr sbin TCP Parameters Configuration Mark with an x the set of TCP parameters to configure Help tsta195 root Exit Window wally LAN board Done Then press Return or Done F4 Default Values Maximum Data Retransission Timer in tenths of seconds Mini...

Page 74: ...m 0 through 255 The IP address can be 0 0 0 0 but cannot be 255 255 255 255 The IP address is unique on the network An IP router allows connections to nodes on different LAN networks If an IP router is not defined then connections cannot be made to systems outside the local subnet tsta195 root opt dtcmgr sbin DTC Configuration Main Menu Highlight an item and then press Return or Select Item F4 Add...

Page 75: ...t Local Domain Enter the default local domain that you want to use The DTC uses the specified local domain name to complete the Domain node name when necessary If a terminal user enters a node name without a period the DTC will complete the node name with the default local domain name For example if the Default Local Domain is hp com and a terminal user enters DTC connect host1 the DTC will try to...

Page 76: ...The subnet mask provides a way to expand the network part of the IP address The subnet mask is used by IP to check if the datagram should be sent to the destination without routing or routed to a different destination network or subnetwork About subnets A subnet is a portion of a network defined as a separate network The subnet mask specifies how much of the address to reserve for subdividing netw...

Page 77: ...e MIB contains information such as the physical location of the DTC and whether the DTC should report unauthorized access attempts to the SNMP manager Two types of MIB are available MIB II allows the SNMP manager to access the standard MIB objects DTC MIB allows the SNMP manager to access the standard MIB objects as well as HP UX MIB objects DTC Manager s dtcconfig utility provides two screens for...

Page 78: ... values and then press the Perform Task F4 function key to return to the Rear Panel Configuration screen tsta195 root opt dtcmgr sbin DTC Configuration Main Menu Highlight an item and then press Return or Select Item F4 Add DTC Configuration Modify DTC Configuration Delete DTC Configuration Modify Default Parameters Help for Using DTCconfig Help Shell Select Item tsta195 root Exit DTCconf DTC Name...

Page 79: ...he access rights of the SNMP manager to the SNMP parameters of the DTC MIB View Choose DTC MIB or MIB II These values determine the subset of MIB objects that the SNMP manager can access Selecting DTC MIB enables the SNMP manager to access both the SNMP MIB II and HP UX MIB objects 1 If two SNMP authorization filters have the same SNMP manager community name they must also have the same MIB access...

Page 80: ...the Rear Panel Configuration screen 2 You must reset the DTC when you modify these SNMP parameters 3 Exit from dtcconfig and reset the DTC by typing the following command at the shell prompt dtcreset dtcname tsta195 root opt dtcmgr sbin DTC Configuration Main Menu Highlight an item and then press Return or Select Item F4 Add DTC Configuration Modify DTC Configuration Delete DTC Configuration Modif...

Page 81: ...is optional field to Disabled or Enabled Enabled means that the SNMP process agent of the DTC can generate authentication failure traps Trap Destination IP Address Enter the IP addresses non broadcast that designate the SNMP network management stations on the network to which the DTC will send SNMP traps If no trap destination IP addresses are entered the DTC will not generate any SNMP traps tsta1...

Page 82: ... for traffic over a LAN with bridge 3 When you have finished entering values press the Done F4 function key You are returned to the Rear Panel Configuration screen 4 The DTC management parameters can not be modified dynamically Exit from dtcconfig and reset the DTC by executing the following command at the shell prompt dtcreset dtcname tsta195 root opt dtcmgr sbin DTC Configuration Main Menu Highl...

Page 83: ... Maximum Number of retries 34 15 18 Management Protocol Packet Size 1024 512 256 tsta195 root opt dtcmgr sbin DTC Management Protocol Parameters Configuration Mark with an x the set of DTC management protocol parameters to configure Help tsta195 root Exit Window wally LAN board Select Then press Return or Done F4 Maximum Timer in tenths of seconds Minimum Timer in tenths of seconds MP DTC Watchdog...

Page 84: ...84 Configuring DTC management protocol parameters 7 ...

Page 85: ...ort or vice versa using the Change Port Type option which you access via the Action Menu as illustrated below tsta195 root opt dtcmgr sbin DTC Configuration Main Menu Highlight an item and then press Return or Select Item F4 Add DTC Configuration Modify DTC Configuration Delete DTC Configuration Modify Default Parameters Help for Using DTCconfig Help Shell Select Item tsta195 root Exit DTCconf DTC...

Page 86: ... port or exit from this Rear Panel Configuration screen The Change Port Type screen tsta195 root opt dtcmgr sbin Rear Panel Configuration Fill in the DTC 72MX board and port fields and then press Action Menu F5 Help tsta195 root Exit Window Board L LAN or 0 3 board Port 0 23 Board 0 Board 1 Board 2 0 T 2 T 4 T 1 T 3 T 5 T Board 3 8 T 9 T 10 T 6 T 7 T DIRECT 11 T 12 T 13 T 14 T 15 T DIRECT DIRECT D...

Page 87: ...s described in this chapter it is presumed that you have added at least one DTC to the configuration and that it has at least one board in it It is also presumed that you are familiar with the basic use of the dtcconfig menus and function keys as described in chapter 4 Any changes you make to the port parameters take effect immediately You do not need to download the DTC However if any terminal us...

Page 88: ...character for terminal ports Maximum Number of Sessions for terminal ports Number of Systems Sharing Printer for printer ports Default Destination Initialization string Port Options are listed below and explained in the section see Enabling port options on page 99 Enable Auto Speed Parity Sensing for terminal ports Enable DTC User Interface Timeout for terminal ports Enable Port Enable Switching f...

Page 89: ... for DTC 16 and DTC 48 0 through 23 direct connect or modem ports for DTC 72MX 5 Press the Action Menu F5 function key and select one of the listed tasks You are taken to the appropriate screen to enter new port values The screen and the information you provide for each task varies depending on the type of board direct connect or modem and type of port printer or terminal you have chosen to config...

Page 90: ... F5 Help tsta195 root Exit Task wally Board L LAN or 0 3 board Port 0 23 Shell Action Menu Board 0 Board 1 Board 2 0 T 2 T 4 T 1 T 3 T 5 T Board 3 LAN 8 T 9 T 10 T 6 T 7 T DIRECT 11 T 12 T 13 T 14 T 15 T DIRECT DIRECT DIRECT DIRECT DIRECT 16 T 17 T 18 T 19 T 20 T 21 T 22 T 23 T 0 T 2 T 4 T 1 T 3 T 5 T 8 T 9 T 10 T 6 T 7 T 11 T 12 T 13 T 14 T 15 T 16 T 17 T 18 T 19 T 20 T 21 T 22 T 23 T 4 ...

Page 91: ...ues the parameters are described on the following pages 3 When you have finished entering values F4 to return to the Rear Panel Configuration screen tsta195 root opt dtcmgr sbin DTC Configuration Main Menu Highlight an item and then press Return or Select Item F4 Add DTC Configuration Modify DTC Configuration Delete DTC Configuration Modify Default Parameters Help for Using DTCconfig Help Shell Se...

Page 92: ...Transfer Mode ASCII None Default Destination IP address or ARPA name ________________________ Initialization String maximum of 16 characters _____________ optional KOKA board 0 port 0 Task Default Values tsta195 root opt dtcmgr sbin Printer Port Parameters Configuration tsta195 root Exit Task Shell Fill in or modify the desired fields and then press Perform Task F4 Modem Behavior Terminal Name or ...

Page 93: ...is used as the calling address If there is no IP address for the port the DTCs IP address is used You cannot use same port IP address for more than one DTC pooled port Be careful about the IP address when you copy and paste boards The per port IP address feature can be used with the Telnet port identification feature and the DTC Device File Access Utilities DDFA The port IP address can be associat...

Page 94: ...t to Standard DCE DCE High or DTE see Modem Behavior on page 95 European Modem for a modem port with modem behavior set to Standard DCE DCE High or DTE Data Switch US Modem IN OUT EU Modem In OUT Five Wires Modem Bits Parity Bits parity allows you to select the data length not including start and stop bits and the parity you want to assign to the port Data length is also known as number of bits pe...

Page 95: ...key A list is displayed Highlight your choice and press Return or the Select Item F4 function key The DTC checks device modem signals and sets up its own modem signals You may want to enable the automatic connection port option for this port If enabled the DTC will establish a connection to the default destination as soon as it senses modem signal activity See Default Destination IP Address or Int...

Page 96: ...racter character format The literal caret and backslash are escaped with a backslash This field must be filled The default escape from data transfer character is K Ctrl K The escape from data transfer character is used at a terminal to switch from the host system to the DTC terminal user interface This value applies only to terminal ports for which switching is enabled see Enable Switching on page...

Page 97: ...e Port Options menu By default the dedicated printer option is disabled The default is 3 systems sharing a printer Total number of sessions and shared printers Default Destination IP Address or Internet Name Enter one of the following in this field Nothing no system is identified this is the default The Internet Services node domain name any number of non empty fields separated by periods Each fie...

Page 98: ...ately after one of the following tasks resetting a port closing a session on a host and returning to the DTC user interface logging into a system and typing the escape from data transfer character establishing a connection to the DTC user interface for modem connections the initialization string is sent when all the modem signals are up Other Port Settings Type of Port What to Enter for Default De...

Page 99: ...nfiguration screen tsta195 root opt dtcmgr sbin DTC Configuration Main Menu Highlight an item and then press Return or Select Item F4 Add DTC Configuration Modify DTC Configuration Delete DTC Configuration Modify Default Parameters Help for Using DTCconfig Help Shell Select Item tsta195 root Exit DTCconf DTC Name Click here or press F1 for online help Rear Panel Configuration Action Menu F5 Enable...

Page 100: ...uto Speed Parity Sensing Enable DTC User Interface Timeout Enable Port Enable Keep Alive Enable Port Config Saved in Binary x Enable Flow Control x Enable Switching x Enable Automatic Connection tsta195 root opt dtcmgr sbin Rear Panel Configuration Fill in the DTC 16TN board and port fields and then press Action Menu F5 Help tsta195 root Exit Task juin Board C CPU LAN or 0 5 board Port 0 7 0 T 8 T...

Page 101: ...an x or X to have the DTC enable the DTC User Interface Timeout When the DTC User Interface Timeout is enabled the time that it takes the terminal user to connect to the DTC is monitored The connection is automatically shut down if the DTC senses no activity at the DTC prompt for a predefined period This timeout is active only while the user is in the DTC user interface and applies only to users w...

Page 102: ...ort to be available only to the system identified as the default destination The default destination field is defined in the printer port parameter configuration screen If the dedicated printer option is enabled the default destination port parameter must be defined with a system name or IP address If you want several systems to access this printer then disable the dedicated printer If the dedicat...

Page 103: ...the LAN you can disable this function the default setting Enable Flow Control When enabled the data flow between the DTC port and the device connected it is connected to is made with Xon Xoff characters This function is also known as software handshake This setting should be disabled if you do not want DTC to interpret Xon Xoff characters coming from the device This setting is enabled by default E...

Page 104: ...rinter These procedures involve four related tasks configuring the DTC port to be a printer port using the DDFA device file utilities to associate a device file with the printer configuring the printer for the HP UX spooler testing the printing process Note It is presumed that you are familiar with the use of the dtcconfig menus and function keys see chapter 4 ...

Page 105: ...re configured as terminal ports T or printer ports P 5 If the port you want to use for the printer is already configured as a printer port exit from dtcconfig and go to page 107 If this is not the case continue to the next step 6 Enter the board and port values corresponding to the port you want to configure as a printer port and press F5 tsta195 root opt dtcmgr sbin DTC Configuration Main Menu Hi...

Page 106: ...ble files and a daemon The DTC Device File Access DDFA utilities software is part of Internet Services and is automatically installed with it on HP 9000 Series 700 and 800 systems for HP UX 9 x or later DDFA is intended for those who wish to use pty device file names to access serial devices attached to DTCs and other terminal servers Without DDFA pty device file names are assigned randomly to dev...

Page 107: ...m Debug version of ocd pcf 4 Port configuration file Using DDFA to create a device file name for the printer port DDFA configuration is based on the usr examples ddfa dp file Follow the steps below to create a device file 1 Ensure that you are logged in as root 2 Check whether the file etc ddfa dp exists If this file already exists go to step 6 otherwise go to the next step 3 Create a directory fo...

Page 108: ...t parameters Example For a printer on board 3 port 2 of a DTC with the IP address is 192 101 23 45 You would refer to this printer as dev telnet dtc1b3p2 The entry in the dp file would be Note For a DTC 16TN the board number should be a 1 or 01 The port values range from 0 to 15 Each printer must have a pcf file associated with it Several devices can have the same pcf file or they can each have a ...

Page 109: ...system The procedure may vary slightly for different versions of HP UX 1 Select the following menu options starting from the SAM main menu a Choose Printers Plotters b In the Printer Plotter Manager screen choose Actions Local Printer Plotter If you are using a character mode terminal the menubar F4 Menubar On Off must be on to use the Actions menu c Choose Add Printer Plotter Requiring Nonstandar...

Page 110: ...onfiguration works 1 If a default printer was configured this lp command prints the etc ddfa dp file on the default printer lp etc ddfa dp 2 If no default printer has been configured type lp d printer name etc ddfa dp 1 Consult the HP UX System Administrator Tasks manual for a list of supported printers lpshut lpadmin pdtcprinter v dev telnet dtc1b3p2 mhp2235a enable dtcprinter lpsched accept dtcp...

Page 111: ...tings with the dtcconfig utility how to delete one or more DTCs from the listing of existing DTCs the procedures for adding and deleting DTC boards how to copy and paste configurations Note It is presumed that you are familiar with the use of the dtcconfig menus and function keys see chapter 4 ...

Page 112: ...rameters and options See the Table on page 114 which indicates the locations of parameter definitions Note When you are in any of the configuration screens accessed via the Modify Default Parameters Menu you can press the Default Values F6 function key A pop up screen appears with HP Defaults and the current User Defaults You can toggle between the two default settings to see the differences The s...

Page 113: ...er defaults are now effective and you return to the main menu Modify Default Parameters menu tsta195 root opt dtcmgr sbin Modify Default Parameters Menu Highlight an item and then press Return or Select Item F4 Help tsta195 root Previous Menu Shell Select Item Configure TCP Parameters Configure DNS IP Parameters Configure SNMP MIB Data Parameters Configure DTC Management Protocol Parameters Config...

Page 114: ...fault Local Domain page 75 Default Server Address page 75 DTC IP Address page 66 DTC User Interface Timeout page 69 DTC Node Name page 66 DTCDF Password page 71 Enable Automatic Connection page 102 Enable Auto Speed Parity sensing page 101 Enable Dedicated Printer page 102 Enable DTC User Interface Timeout page 101 Enable DTCDF Access page 70 Enable Hardware Handshake page 103 Enable Port page 101...

Page 115: ...ge 79 MIB View page 79 Number of Systems Sharing Printer page 97 Number of Stop Bits page 95 SNMP Enable Authentification Traps page 81 SNMP Manager Community Name page 79 SNMP Manager IP Address page 79 Subnet Mask page 76 Sys Location page 81 Sys Name page 81 Terminal Printer Name or IP Address page 93 Trap Destination IP Address page 81 User Prompt page 70 Welcome Message page 70 Parameter name...

Page 116: ...to delete the DTC s 3 Enter y to confirm your intention to delete the specified DTC s The specified DTC s are deleted and you are returned to the dtcconfig main menu Delete DTC configuration screen tsta195 root opt dtcmgr sbin Modify Default Parameters Menu Highlight an item and then press Return or Select Item F4 Help tsta195 root Exit Window Done Delete DTC Configuration Enter the DTC name of ea...

Page 117: ...anual 3 Switch the DTC on again The DTC Manager UX automatically adds the new board using the default configuration values Deleting a board from a DTC Note The following section does not concern the DTC 16TN as you cannot add or remove boards from this DTC 1 Switch off the DTC 2 Remove the board from the DTC as described in the hardware manual 3 Switch the DTC on again DTC Manager UX automatically...

Page 118: ...see Copying and pasting a board or port on page 120 You can copy ports from one board to another board on the same DTC or to a board on another DTC CPU LAN or LAN configurations cannot be copied because the fields DTC Node Name DTC LAN Address and DTC IP Address must be unique for each DTC Before you can paste a configuration to a DTC the DTC must already have been added to your list of DTCs using...

Page 119: ...e copy paste rules for different DTC types Copying boards Copying ports To From DTC 16TN DTC 16 DTC 48 DTC 72MX DTC 16TN Yes DTC 16 Yes Yes DTC 48 Yes Yes DTC 72MX Yes To From DTC 16TN DTC 16 DTC 48 DTC 72MX DTC 16TN Yes Yes DTC 16 Yes Yes DTC 48 Yes Yes DTC 72MX Yes Yes ...

Page 120: ...elect the Copy option and press the Select Action F4 function key A Data copied message appears 3 Press the space bar to continue The Rear Panel Configuration screen is displayed again tsta195 root opt dtcmgr sbin DTC Configuration Main Menu Highlight an item and then press Return or Select Item F4 Add DTC Configuration Modify DTC Configuration Delete DTC Configuration Modify Default Parameters He...

Page 121: ... new board 5 If you are copying a board or port to another DTC a Press the Exit Task F8 function key This action takes you to the DTC Configuration Main Menu b Choose the Modify DTC Configuration menu item c At the Rear Panel Configuration screen enter values for the board field or port field that you want to copy Then press the Action Menu F5 function key A small menu pops up d Select the Paste o...

Page 122: ...122 Copying and pasting configurations 9 ...

Page 123: ...ify parameters with a script Note The dtcmodifyconfs command can only be used to modify DTCs that already exist it cannot be used to create a DTC Use the dtcconfig utility to create DTC configurations The dtcmodifyconfs command enables you to modify one or more DTC configurations by creating a shell script containing the desired parameter settings for each DTC You must have superuser privileges To...

Page 124: ... to DTC board s or port s dtcmodifyconfs p q logging dtcobject export import a configuration to from a file dtcmodifyconfs X x I i filename logging dtcobject dtcexport dtcimport own disown a DTC dtcmodifyconfs o d logging dtcobject dtcown dtcdisown specify a script file containing the parameters to modify dtcmodifyconfs m f scriptfile e parameter_name q logging dtcobject ...

Page 125: ...specify the DTC name and board CPU LAN or LAN boards cannot be copied A port specify the DTC name the board and the port number p Pastes the dtcobject from the internal copy buffer into one or more compatible dtcobject locations For example you can paste a board to another board you can not paste a board to a port Example This example shows how to copy port 3 on board 2 of dtc1 and the paste the c...

Page 126: ...r The filename is the name of the DTC followed by the extension exim When the file is imported all the DTC configuration files are automatically created and the map file is updated or created if necessary If the named DTC has already been configured on this system an error condition is returned I Imports the entire configuration of the named DTC from a file with the specified filename If a simple ...

Page 127: ...ation at the command line a script files these contain the parameters that define the modifications Note Only CPU LAN boards LAN boards or ports can be selected as dtcobjects for use with the script options Modify parameters option m Used to specify which parameters to modify for given dtcobjects The parameters can be given on the command line or in a user defined scriptfile In both cases each par...

Page 128: ...ins some parameters options and syntaxes used in the sample script file for version A 14 3 and later versions You can use the dtcmodifyconfs sh file as basis for creating your own customized scripts Copy it to another file name and then adapt it to your needs f scriptfile Executes a script file Modifications to the DTC configuration are made by means of parameter assignment statements for particul...

Page 129: ...r_value as follows Event Logging Class 1 you do not have to set this is as it is always set it Event Logging Class 2 x Event Logging Class 3 x Event Logging Class 4 x Event Logging Class 5 x Event Logging Class 6 x Parameter name Explained on Backup IP Router Address page 76 Backup Server address page 75 Default IP Router Address page 76 Default Local Domain page 75 Default Server Address page 75 ...

Page 130: ...ues can be entered Example SNMP parameters This example shows how two SNMP authorization filters are configured dtcmodifyconfs m e SNMP Authorization Filters 015 123 123 111 Washington community Read Write DTC MIB 015 123 123 122 Houston Community Read Only MIB II dtc1 Parameter name Explained on SNMP Authorization Filters page 79 ...

Page 131: ...ly Enable DTC User Interface Timeout terminal ports only Enable Hardware Handshake DTC 72MX and DTC 16TN ports only Enable Port Enable Switching terminal ports only Enable Keep Alive Enable Flow Control Enable Port Config Saved In Binary Parameter name Explained on Attached Device page 94 Bits Parity page 94 Data Transfer Mode page 96 Default Destination page 97 Escape from Data Transfer Character...

Page 132: ...mydtc1 The parameters in the example are explained as follows m uses the modify option f uses a file containing a script The file name is dtcscript mydtc1 is the name of the DTC to modify Key points about scripts A script can only contain global or port parameters You cannot mix global and port parameters in the same script When the CPU LAN or LAN is specified as the dtcobject parameter only the C...

Page 133: ...el Sets the amount of information to be logged for this current dtcmodifyconfs command Specify one of the following logging levels 0 Logs only startup and termination messages of dtcmodifyconfs 1 Logs serious and fatal messages and level 0 messages This is the default logging level 2 Logs warning and informational messages and level 0 and level 1 messages L logfile Specifies the alternative file t...

Page 134: ...ify The board parameter is one of the following C or c CPU LAN on a DTC 48 or DTC 16 L or l LAN on a DTC 72MX or DTC 16TN B or b Board of a DTC 16TN 0 5 Board number for a DTC 48 0 or 1 Board number for a DTC 16 0 3 Board number for a DTC 72MX You can also specify a range of boards using a hyphen such as 0 3 for boards 0 1 2 and 3 port The number of the port to modify It is one of the following 0 ...

Page 135: ...itions 10 Values returned by dtcmodifyconfs or one of its synonyms The dtcmodifyconfs command returns the following values 0 No errors 1 Command usage incorrect 2 Error during startup or shutdown 3 Fatal error during execution of the command ...

Page 136: ...136 Other dtcmodifyconfs parameter definitions 10 ...

Page 137: ...uration When to download the configuration Most configuration changes are made automatically dynamically However certain parameters cannot be dynamically configured In this instance you must download the new configuration to the DTC in order for these changes to take effect The parameters that require resetting the DTC are DTC node name DTC IP address any of the TCP timers if you modify the initia...

Page 138: ...nfiguration Note You must exit from the dtcconfig utility before you can download the configuration 1 Use one of these two methods to download the software Reset the DTC and start the download process This example command resets mydtc1 the DTC Name dtcreset mydtc1 or Switch the DTC off and on again to download it with the configuration 2 The configuration files and functional code are downloaded t...

Page 139: ...ding the configuration 11 Resetting a DTC Board To reset a DTC board use the command dtcreset dtcname board_number Resetting a DTC Port To reset a DTC port use the command dtcreset dtcname board_number port_number ...

Page 140: ...140 Downloading the configuration 11 ...

Page 141: ... the cluster the adoptive host takes over management of the original host s DTC s The original host is returned to the cluster when it is operational again However the adoptive host retains ownership of the DTC s until it fails or until the system manager intervenes to return ownership to the original host The system administrator can manually transfer the management of the DTCs temporarily to ano...

Page 142: ...s supported by MC ServiceGuard for other applications High availability for DTC Manager UX is provided only by MC ServiceGuard s node transfer capability Refer to Managing MC ServiceGuard part number B3832 90001 for information specific to cluster management and highly available computer systems ...

Page 143: ...for high availability To configure DTC Manager UX for high availability you must transfer the DTC configurations to each adoptive host and verify that the DTCs can be managed owned by that host return DTC ownership to the original host create modify an MC ServiceGuard package to include DTC Manager UX These tasks are described on the following pages Transferring DTC configurations to an adoptive h...

Page 144: ...ted DTC dtcexport dtcname This exports the DTC configuration to the var opt dtcmgr dtcname exim default file Example To export the configuration of dtc1 to the file dtc1 exim you would enter dtcexport dtc1 3 Disown all DTCs connected to the original host by entering dtcdisown dtcname for each connected DTC ...

Page 145: ...cmgr ftp new_host binary cd var opt dtcmgr put dtc1 exim put dtc2 exim Importing the DTC configurations On the adoptive host 1 Log in as superuser 2 Import each DTC configuration to the host by entering dtcimport dtcname for each DTC Example To import the configuration of dtc1 you would enter dtcimport dtc1 Verifying that the DTCs can be owned by the adoptive host To be sure that the adoptive host...

Page 146: ...to avoid possible conflicts of ownership Note If any of these commands are unsuccessful reboot the DTC Configuring other adoptive hosts On all additional adoptive hosts Repeat the procedure Transfering configurations to an adoptive host for all additional adoptive host s Note You can use dtclist c command to list all configured DTCs You have now verified that all potential adoptive hosts can own a...

Page 147: ...move the comments from the lines DTC_IP X Y Z Q DTC_NAME 0 dtc_name c Edit the first line so that it specifies the IP address of the original host d Edit the second line to specify one of the DTCs managed by the original host e Add additional lines to specify the name of every DTC managed by the original host increment the number in brackets for each additional DTC Example The system whose IP addr...

Page 148: ...file to each potential adoptive host 3 Import the file to each adoptive host using the dtcimport command Note To be sure that the adoptive host can manage the DTC s you should verify that it can receive boot requests from the DTCs that it will manage own in the event of original host failure 4 Update the information in control sh script a Halt the DTC Manager UX package with the cmhaltcl command b...

Page 149: ...nd dtccheckip This chapter explains the use of three troubleshooting tools dtcdiag dtcping and dtccheckip The dtcdiag command reports DTC diagnostic information and can perform diagnostic tasks on a DTC on a DTC board or on a selected port of a board ...

Page 150: ...P addresses The dtcdiag command performs diagnostic tasks on DTCs managed by the host Tasks can be done on several objects An object can be a selected DTC a selected DTC and board or a selected port on a board The objects must be all of the same type The dtcdiag command is used for the following troubleshooting and maintenance tasks resetting ports boards and the DTC reporting the status of the DT...

Page 151: ...mpletes execution on a DTC even if it is killed by using CTRL C before it is able to report the completion status The dtcnmp process continues the execution of the dtcdiag command You can only run one of the following commands at a time dtcdiag or synonym dtcconfig dtcmodifyconfs or synonym or dtcping Refer to the dtcdiag man pages for a complete description of command parameters ...

Page 152: ...port terminal port dtcdiag p dtcname board port printer port or dtctest t dtcname board port terminal port dtctest p dtcname board port printer port dtctest Reset an entire DTC or a board or port dtcdiag r dtcname board port or dtcreset dtcname board port dtcreset Find the status of CPU LANboards and ports dtcdiag s dtcname LANboard board port or dtcstat dtcname LANboard board port dtcstat Test a ...

Page 153: ...ote The board in the DTC 16TN cannot be reset You can only reset the entire DTC or a single port Examples To reset the DTC named dtc1 dtcdiag r dtc1 To reset board 0 on the DTC named dtc1 dtcdiag r dtc1 0 To reset port 1 on board 0 of the DTC named dtc1 dtcdiag r dtc1 0 1 Testing DTCs boards and ports To test a DTC board or port use the command dtcdiag c or dtctest c ...

Page 154: ...ected ports count times A printer must be attached to the port Count must be between 1 and 999 and defaults to 1 dtcdiag t count or dtctest t count Performs an terminal loopback test on the selected port count times A terminal must be attached to the port Count must be between 1 and 999 and defaults to 1 Example To perform an internal loopback test 20 times on port 1 of board 0 of dtc3 dtcdiag i 2...

Page 155: ...us of port 23 of board 1 of the DTC named dtc3 dtcdiag S dtc3 1 23 Switching DTC management to another host in an MC ServiceGuard cluster dtcdiag Q IP_address dtcquickswitch IP_address Switches DTC management ownership to another host and informs the DTC to only accept management instructions from the new host The IP address of the previous host must be given after the Q option this address is not...

Page 156: ...nly the name of the DTC and the number of the 24 port MUX board must be given to turn off an extended trace for a port on that board For a DTC 16TN only the name of the DTC must be given to turn off an extended trace for a port on that DTC dtcdiag N or dtctraceon Turns on an extended trace for the selected ports Each port selected must be on a separate board and only ports on a DTC 72MX or a DTC 1...

Page 157: ...X where y is the number of the port being uploaded and z is cycled from 1 to 3 and then back to 1 for each new upload var opt dtcmgr upload dtc PRab Contains upload data files from a port of a board of a DTC where a is the number of the board with the port being uploaded and b is the number of the port being uploaded Note Each upload data file from a specific port overwrites the last upload data f...

Page 158: ...parameter The following options are used to inhibit the verbosity of dtcdiag commands f Performs the task on each selected object without querying the user for confirmation If this option is not specified then for each selected object dtcdiag asks the user whether it should perform a disruptive task q Performs the task on each selected object without giving the user any progress or completion mess...

Page 159: ...specified The asterisk metacharacter can be used to represent any string of characters for this parameter and it normally needs to be escaped For example if the DTC names are DTC1 DTC2 and DTC3 the dtcs parameter can be DTC to mean all those DTCs If this parameter is given without boards or ports then the action with boards specified as C or L is taken Caution If the DTC name is C L or B a conflic...

Page 160: ...rameter is optional Port numbers are 0 7 for direct connect boards on a DTC 48 or DTC 16 0 5 for modem boards on a DTC 48 or DTC 16 0 23 for a 24 port MUX board on a DTC 72MX 0 15 for the ports on a DTC 16TN The asterisk metacharacter can be used to represent all ports on a board of a DTC and it normally needs to be escaped Additionally a range of ports can be specified by separating the number of...

Page 161: ...an event is generated written into the event log and displayed on the console for each DTC having a 100 percent packet loss Each packet that is echoed is reported on your terminal screen The dtcping command helps you do a preliminary connectivity check when setting up the DTC connections do a quick check of the connectivity if the response from the DTCs seem unusually slow You must run dtcping as ...

Page 162: ...10 packets to dtc01 dtcping dtc01 n 10 Perform dtcping on all DTCs and send a packet size of eight bytes dtcping 8 Values returned by dtcping One of the following values is returned when dtcping is executed Note These values refer only to DTC Manager errors and are not the result of the normal ping command output Avoid using these values in scripts 0 No error 1 Command usage incorrect 2 Error duri...

Page 163: ... command and executes the dtccheckip command You will see the following messages Check for duplicated IP addresses in progress Check for duplicated IP addresses finished Only if you have duplicated IP addresses the following message will appear Note is used to show duplicated IP addresses but the IP addresses of all DTCs are listed The duplicated IP addresses should be modified to ensure there are...

Page 164: ...164 About dtccheckip 13 ...

Page 165: ...ing A summary of configuration data for a DTC This can include information about the CPU LAN or LAN backplane boards and ports A list of the user DTC default configurations A list of events that are placed in the event log The event log is a text file to which DTC networking events are logged Examples of event logs are shown at the end of this chapter The following sections provide information on ...

Page 166: ...t command lists events in the event log based on filter and object If no parameters are specified then all the events in the event log are displayed dtclist filter f logging object 3 Pipe dtclist to the HP UX more command to read the log files more easily Simple dtclist examples The following examples show different ways of using dtclist The output is easier to read if dtclist is piped to the HP U...

Page 167: ... log file is overwritten The default log file is var opt dtcmgr event log l loglevel Sets the amount of information to be logged for this current dtclist command Specify one of the following logging levels 0 Logs only startup and termination messages of dtclist 1 Logs serious and fatal messages and level 0 messages This is the default logging level 2 Logs warning and informational messages and lev...

Page 168: ...he last eleven events dtclist e 10 start An integer or or e notation specifying the first event to be displayed end An integer or or e notation specifying the last event to be displayed d Displays download events A download is the transfer of software from the host system to the DTC A download occurs when the DTC is configured by the DTC Manager UX and has been turned on u Displays upload events A...

Page 169: ...ation or networking events Use the same DTC name as you used when adding the DTC using dtcconfig A DTC name consists of up to 8 alphanumeric characters including hyphens and underscores _ The first character must be alphabetic If you specify the DTC name without the board or port parameters then the display is a rear panel summary a list of the CPU LAN or LAN parameters and a list of the parameter...

Page 170: ...s are also specified The port value is one of the following 0 7 for a direct connect board on a DTC 48 or DTC 16 0 5 for a modem board on a DTC 48 or DTC 16 0 23 for a 24 port MUX board on a DTC 72MX 0 15 for a DTC 16TN Values returned by dtclist One of the following values is returned when a dtclist command is executed 0 No errors 1 Command usage incorrect 2 Error during startup or shutdown 3 Fat...

Page 171: ...see the following events Event 1 Download of the board code started Event 2 Download of the board code completed Event 3 Download of the Board 0 specific code started Event 4 Download of the Board 0 specific code completed dtclist e more Event 1 DTC name dtc48 gnd hp Event time Mon Apr 7 10 06 28 1997 Event type BoardDownloadStarted Event data DTC_card_num 0 DTC_ROM_version 3 DTC_card_status Board...

Page 172: ..._8_16 EMPTY conn_type_16_23 EMPTY Board 5 portflags 0 23 00000000 11111111 11111111 selftest_result 0 conn_type_0_7 DIRECT CONNECT conn_type_8_16 EMPTY conn_type_16_23 EMPTY Event 2 DTC name dtc48 gnd hp Event time Mon Apr 7 10 06 28 1997 Event type BoardDownloadComplete Event data DTC_card_num 0 DTC_ROM_version 3 Event 3 DTC name dtc48 gnd hp Event time Mon Apr 7 10 06 28 1997 Event type Board0Do...

Page 173: ...11111111 11111111 selftest_result 0 conn_type_0_7 DIRECT CONNECT conn_type_8_16 EMPTY conn_type_16_23 EMPTY Board 4 portflags 0 23 00000000 11111111 11111111 selftest_result 0 conn_type_0_7 DIRECT CONNECT conn_type_8_16 EMPTY conn_type_16_23 EMPTY Board 5 portflags 0 23 00000000 11111111 11111111 selftest_result 0 conn_type_0_7 DIRECT CONNECT conn_type_8_16 EMPTY conn_type_16_23 EMPTY Event 4 DTC ...

Page 174: ...14 174 Event log examples ...

Page 175: ...produced Does the problem affect all users on a specific DTC a specific board on a DTC or a specific port on a DTC The dtcdiag command can help you isolate the problem to a specific board or port on a DTC Troubleshooting procedures make use of the dtcdiag dtcping and dtccheckip commands which are explained in chapter 13 If error messages are displayed when you try to run dtcconfig dtcdiag or dtcpi...

Page 176: ...heck LAN cable connections Perform DTC offline diagnostics Use dtcconfig or dtclist to verify DTC IP address is valid Verify the correct operation of Internet Telnet services on the destination host Check terminal configuration Use dtcdiag to test terminal port Use DTC diagnostics Replace any faulty boards Verify that the LAN device file used as rbootd parameter is valid see Verifying LAN device F...

Page 177: ...display codes and their meanings located either inside the front cover of the DTC or underneath on a pull out card to interpret the front panel display Refer to the DTC hardware manual for a more detailed explanation of the codes displayed on the DTC 3 If the DTC passes its self test go to the next stage of troubleshooting Checking the DTC download 4 If the DTC does not pass the self test take the...

Page 178: ...oad go to Checking that the Internet Services software is operational 3 If the display code does not indicate a successful download and you suspect that you may have a DTC 48 without a memory extension take the following steps a Look in the rbootd log file var adm rbootd log for the following message Dropped packet need memory extension card type of current hardware b If you need a memory extensio...

Page 179: ...mgr log dtcmodifyconfs log For dtclist look in var opt dtcmgr log dtclist log For dtcdiag look in var opt dtcmgr log dtcdiag log For rbootd look in var adm rbootd log For dtcnmd look in var opt dtcmgr log dtcnmd log and var opt dtcmgr log dtcnmp log When using the commands you can use the parameter l with the number 0 1 2 or 3 only available with some modules to specify the level of detail written...

Page 180: ... device file names when you try to run dtcconfig dtcdiag or dtcping follow the steps described for Download problems above Checking that the Internet Services software is operational The DTC uses the Telnet and TCP IP protocols to establish terminal and device connections from the DTC to the HP 9000 destination host Therefore Internet services must be correctly installed and operating on the HP 90...

Page 181: ...splayed when you try to logon from a terminal or when you use the status command The welcome message is explained on page 70 User prompt This prompt is displayed when you try to logon from a terminal It is at the user prompt that you enter the DTC terminal user commands The user prompt is explained on page 70 Escape from data transfer character After connecting to a system you can return to the DT...

Page 182: ...em name The system can be a node name or an ARPA domain name If a system is not specified you are connected to the Default Destination system If the DNS server is not defined you must enter an IP address for a system other than the default destination system Note Never include the leading zeros in an IP address when using the connect command If the IP address you want to connect to is 128 10 11 12...

Page 183: ...ction is open on a system it is closed L OGOUT Recall Resumes a connection that you left open when you used the escape from data transfer character to leave a connection without logging off R ECALL xx Each connection is identified as a number xx in the status command display Only the connection number can be used The connection name can not be used If the connection number is not specified the spe...

Page 184: ...l The connection number is displayed by status S TATUS Examples of DTC user interface commands The following examples show the DTC Terminal User help status and connect commands you can enter User input is bold type The DTC prompt on the DTC in the examples is DTC1 Examples of the connect command DTC1 CONNECT ALPHA return DTC1 C rainbow connection3 return DTC1 connect mysystem Connection 1 establi...

Page 185: ... L Logs out from the DTC RECALL xx R Resumes connection xx SET ASCII xx A Enables ASCII mode SET BINARY xx B Enables BINARY mode STATUS S Displays port status Not applicable for MPE iX connections Example of the status command DTC1 status STATUS Board 3 SIC Port 6 DTC name DTC1 MKTG COMPANY Default Destination MYSYSTEM MKTG COMPANY Maximum number of connections 3 DNS Default Local Domain SYSTEM1 M...

Page 186: ...186 DTC user interface commands A ...

Page 187: ...y DTC Manager UX HP UX 10 x file system File listing by directory opt dtcmgr sbin DTC Manager commands dtccheckip dtcconfig dtcconnstat dtcdiag dtcdisown dtcdownload dtcexport dtcimport dtclist dtcmodifyconfs dtcnmd dtcnmp dtcown dtcping dtcquickswitch dtcreset dtcstat dtctest dtctraceoff dtctraceon dtcupload lanstat tiostat ...

Page 188: ...od sic2 cod sic3 cod sic4 cod ts16 cod opt dtcmgr tools DTC tools dtcmodifyconfs sh dtcmodifyconfs txt opt dtcmgr jam_data Keyboard and video data hpansikeys bin hpansivid bin hpitevid bin hpkeys bin hpvid bin msgfile bin vt100keys bin vt100vid bin vt220keys bin vt220vid bin wy30keys bin wy30vid bin wy50keys bin wy50vid bin wy60keys bin wy60vid bin ...

Page 189: ... Default configurations confext def cpuconv def globhdr def mgr def ncpu def nprinter def nterm def printer def tcp def term def opt dtcmgr lib nls msg C Message catalogs dtcmgr cat dtcnmd cat dtcnmp cat lanstat cat tiostat cat opt dtcmgr share man man1m Z Man pages dtcconfig 1m dtccannstat 1m dtcdiag 1m dtcdisown 1m dtcdownload 1m dtcexport 1m dtcimport1m dtclist 1m dtcmodifyconfs 1m dtcnmd 1m dt...

Page 190: ...ad 1m opt dtcmgr doc Error messages dtcconfig err dtcdiag err dtclist err dtcmodifyconfs err dtcnmd err dtcnmp err dtcping err global err Files maintained during runtime var opt dtcmgr dtcname dtc dtcname exim temp dtcconfig lock event log copyhdr optional copy optional ipc log status tmp optional upload etc opt dtcmgr map802 default cus ...

Page 191: ...n man1m Z dtcconfig err opt dtcmgr doc dtcdiag opt dtcmgr sbin dtcdiag 1m opt dtcmgr share man man1m Z dtcdiag err opt dtcmgr doc dtcdisown opt dtcmgr sbin dtcexport opt dtcmgr sbin dtcimport opt dtcmgr sbin dtclist opt dtcmgr sbin dtclist 1m opt dtcmgr share man man1m Z dtclist err opt dtcmgr doc dtcmgr etc rc config d dtcmgr sbin init d dtcmgr cat opt dtcmgr lib nls msg C dtcmodifyconfs opt dtcm...

Page 192: ...ansikeys bin opt dtcmgr jam_data hpansivid bin opt dtcmgr jam_data hpitevid bin opt dtcmgr jam_data hpkeys bin opt dtcmgr jam_data hpvid bin opt dtcmgr jam_data lan cod opt dtcmgr code lanstat opt dtcmgr sbin lanstat cat opt dtcmgr lib nls msg C map802 ect opt dtcmgr mgr def etc opt dtcmgr default msgfile bin opt dtcmgr jam_data mux68k cod opt dtcmgr code ncpu def etc opt dtcmgr default nprinter d...

Page 193: ... opt dtcmgr lib nls msg C ts16 cod opt dtcmgr code vt100keys bin opt dtcmgr jam_data vt100vid bin opt dtcmgr jam_data vt220keys bin opt dtcmgr jam_data vt220vid bin opt dtcmgr jam_data wy30keys bin opt dtcmgr jam_data wy30vid bin opt dtcmgr jam_data wy50keys bin opt dtcmgr jam_data wy50vid bin opt dtcmgr jam_data wy60keys bin opt dtcmgr jam_data wy60vid bin opt dtcmgr jam_data ...

Page 194: ...dtcdisown dtcdownload dtcexport dtcimport dtclist dtcmodifyconfs dtcnmd dtcnmp dtcown dtcping dtcquickswitch dtcreset dtcstat dtctest dtctraceoff dtctraceon dtcupload lanstat tiostat usr dtcmgr default Default configurations def cus usr dtcmgr code DTC code cpuconv cod lan cod mux68k cod rom16 cod rom72 cod sic cod sic2 cod sic3 cod sic4 cod ...

Page 195: ...bin msgfile bin vt100keys bin vt100vid bin vt220keys bin vt220vid bin wy30keys bin wy30vid bin wy50keys bin wy50vid bin wy60keys bin wy60vid bin usr dtcmgr jam_screens Screen descriptions data dic global ini screenlib usr man man1m Z Man pages dtcconfig 1m dtcconnstat 1m dtcdiag 1m dtcdisown 1m dtcdownload 1m dtcexport 1m dtcimport 1m dtclist 1m dtcmodifyconfs 1m dtcnmd 1m dtcnmp 1m dtcown 1m dtcp...

Page 196: ...d cat dtcmgr cat dtcnmp cat lanstat cat tiostat cat usr dtcmgr doc Error messages dtcconfig err dtcdiag err dtclist err dtcmodifyconfs err dtcnmd err dtcnmp err dtcping err global err Files maintained during runtime usr dtcmgr dtcname dtc dtcname exim temp dtcconfig lock event log copyhdr optional copy optional ipc log status tmp optional upload usr adm log ...

Page 197: ...eens dtccheckip etc dtcconfig etc dtcconfig 1m usr man man1m Z dtcconfig lock usr dtcmgr dtcconnstat 1m usr man man1m Z dtcconnstat etc dtcdiag 1m usr man man1m Z dtcdiag etc dtcdownload 1m usr man man1m Z dtcdownload etc dtclist 1m usr man man1m Z dtclist etc dtcmgr cat usr lib nls C dtcmodifyconfs 1m usr man man1m Z dtcmodifyconfs etc dtcmodifyconfs sh usr dtcmgr tools dtcmodifyconfs txt usr dtc...

Page 198: ...an man1m Z dtcupload etc event log usr dtcmgr global ini usr dtcmgr jam_screens hpansikeys usr dtcmgr jam_data hpansikeys bin usr dtcmgr jam_data hpansivid usr dtcmgr jam_data hpansivid bin usr dtcmgr jam_data hpitevid usr dtcmgr jam_data hpitevid bin usr dtcmgr jam_data hpkeys usr dtcmgr jam_data hpkeys bin usr dtcmgr jam_data hpvid usr dtcmgr jam_data hpvid bin usr dtcmgr jam_data lan cod usr dt...

Page 199: ...gr tiostat etc tiostat cat usr lib mb c ts16 cod usr dtcmgr code vt100keys usr dtcmgr jam_data vt100vid usr dtcmgr jam_data vt220keys usr dtcmgr jam_data vt220vid usr dtcmgr jam_data vt220vid bin usr dtcmgr jam_data wy30keys bin usr dtcmgr jam_data wy30vid usr dtcmgr jam_data wy50vid usr dtcmgr jam_data wy50vid bin usr dtcmgr jam_data wy60keys usr dtcmgr jam_data wy60keys bin usr dtcmgr jam_data w...

Page 200: ...200 HP UX 9 x file system B ...

Page 201: ...e Following is an example of an error 577 MESSAGE Name of DTC is already specified CAUSE the DTC name specified is already on the screen ACTION specify a unique name for each DTC You can display the file in which the error is located as follows 1 Change to the directory where the error files are located opt dtcmgr doc 2 Use the command grep to display the error information line For example grep 57...

Page 202: ...202 C ...

Page 203: ...ardware broadcast ARP See address resolution protocol asynchronous A device s mode of operation in which a sequence of operations are executed irrespective of coincidence with any event Devices that are directly accessible by people for example terminal keyboards operate in this manner asynchronous processor board The 24 port mux board for the DTC 72MX which allows up to 24 direct and modem connec...

Page 204: ...ware for example as in Ethernet or with software C configuration 1 The way in which computer equipment is physically interconnected and set up to operate as a system 2 The layout of the computer system including the system table memory and buffer sizes that tells which peripheral devices are or can be connected to the computer and how they can be accessed 3 The process of defining the characterist...

Page 205: ... only by one host on the LAN the one specified in the destination node name in that printer port s configuration screen destination node name In DTC configuration it is either 1 the name of a host that a user can be connected to by default if switching is not enabled for that user or if automatic modem connection is enabled or 2 the name of the only host that can access a dedicated printer device ...

Page 206: ...m connections DTC 16TN The HP J2060A product A DTC terminal server for Telnet systems It allows up to 16 asynchronous connections to computer systems running Internet Services such as HP 9000s and third party systems DTC 16MX The HP J2063A product A DTC terminal server for Telnet systems It allows up to 16 asynchronous connections to computer systems running Internet Services such as HP 9000s and ...

Page 207: ...ser who is connected to a host system through the DTC to break that connection and return to the DTC switching user interface The default character is Ctrl K escape sequence A sequence of characters beginning with the escape character and followed by one or more other characters used to convey control directives to printers plotters or terminals Escape sequences are used when for example you need ...

Page 208: ...h the system host from the DTC I ICMP Internet control message protocol An integral part of the Internet protocol that handles error and control messages Gateways and hosts use ICMP to send reports of problems about datagrams back to the original source that sent the datagram ICMP also includes an echo request reply used to test whether a destination can be reached and will respond IEEE 802 3 A st...

Page 209: ... cable whereby each system can communicate directly with another LAN address See DTC LAN station address line speed The speed at which data is transferred over a specific physical link usually measured in bits or kilobits per second local area network interface controller LANIC A hardware card that fits into the backplane of the HP 9000 and provides a physical layer interface for IEEE 802 3 local ...

Page 210: ...s over telephone lines multicast A technique that allows copies of a single packet to be passed to a selected subset of all possible destinations Some hardware for example Ethernet supports multicast by allowing a network interface to belong to one or more multicast groups Broadcast is a special form of multicast in which the subset of devices to receive a copy of a packet consists of the entire s...

Page 211: ...dows is HP s network management environment It provides the basic services for accessing and managing networks used by the DTC Manager and other applications such as Switch PAD Manager and Hub Manager OpenView DTC Manager An OpenView Windows application on a PC that enables you to configure control monitor and troubleshoot the operation of the DTCs on the LAN OV workstation A personal computer on ...

Page 212: ... device operating under the control of a program running on a computer Programmatic devices can be used for input output or both depending on the device and how it is opened by the controlling program R remote node Any network node that is physically separate from the node you are currently using or referring to RMP Remote Maintenance Protocol HP proprietary protocol used in DTC management RS 232 ...

Page 213: ... An industry standard for managing networked computers in a multi vendor environment SNMP agent A network node such as a DTC that can respond to SNMP requests SNMP manager A network management workstation that is running software which allows it to manage SNMP nodes for example HP OpenView Network Node Manager spooled device A printer that is accessed through the HP UX spooling facility The spooli...

Page 214: ...0000 or 255 255 255 0 indicates that the first three bytes identify the network and the fourth byte identifies the node switching See DTC switching synchronous A mode of operation or transmission in which a continuous data stream is generated without intervals between characters The data stream is synchronized by clock signals at the receiver and transmitter As a result fast transmission speeds ab...

Page 215: ...mits messages if errors have been detected transparent mode A data transfer scheme in which only a limited number of special characters retain their meaning and are acted on by the system All other characters are considered to be data and are passed through with no control actions being taken U unedited mode See transparent mode X XON XOFF protocol The flow control used by systems to protect again...

Page 216: ...D 216 ...

Page 217: ...field 81 how to configure 81 copying a board using dtcconfig 120 using dtcmodifyconfs 125 copying a port using dtcconfig 120 using dtcmodifyconfs 125 CPU LAN board displaying configuration with dtclist 166 CPU LAN borad finding its status 154 D daemon processes preparing the environment 28 daemons starting manually 29 verifying 30 data switch 94 Data Transfer Mode 97 datagram 205 DDFA definition 2...

Page 218: ...file 133 fatal messages 133 parameters 125 129 131 serious messages 133 startup messages 133 termination messages 133 warning messages 133 dtcnmd 18 dtcnmd daemon starting up 35 dtcnmd log 37 dtcnmp 18 dtcreset 153 dtcstat 154 dtctest 153 dtctraceoff 156 dtctraceon 156 dtcupload 157 E EEPROM code downloading to the DTC 158 enable auto speed parity sensing explanation of field 101 how to configure ...

Page 219: ...etting the default value 113 migration considerations 25 modem behavior 94 95 definition 210 modem behavior explanation of field 95 setting the default value 113 modem connection automatic connection 98 modem U S configuring 94 modify default configuration 112 Modify DTC Configuration 63 multicast definition 210 multiplexer 210 N name DTC 50 134 netdaemons file configuring 28 network address defin...

Page 220: ...erminals 98 switching enabled terminals 98 sys location explanation of field 81 how to configure 81 setting the default value 114 Sys Name explanation of field 81 sys name how to configure 81 setting the default value 114 systems sharing printer 114 T TCP definition 215 TCP timer values 72 TCP timers choosing a set 72 Telnet Access Card 24 Telnet port identification 106 terminal port type 88 termi...

Page 221: ......

Page 222: ...Customer order number HP Manufacturing part number Copyright 1994 1995 1996 1997 Hewlett Packard Company Printed in Mfg number is for HP internal use only J2120 62000 J2120 90024 ...

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