Cabletron Systems Access Server 316 Instalační příručka

Network Access SoftwareProblem Solving GuidePG-DNAS0-00DECserverDigital NetworksTM

ContentsviiiTest the Printer Port ...11-4Procedure ..

User Authentication Configuration Problems8-2This chapter discusses troubleshooting procedures for problems using the Kerberos, RADIUS and SecurID sec

8-3User Authentication Configuration ProblemsVerify That Devices Are Connected ProperlyProcedureProblems that appear to be user authentication problem

User Authentication Configuration Problems8-4Verify That the Device Is Using the Correct Authentication ProtocolProcedureBe sure that you attached dev

8-5User Authentication Configuration ProblemsVerify That Authentication Is EnabledProcedureTo use the security user authentication system, you must en

User Authentication Configuration Problems8-6To display the user authentication settings for a network access port, use the following command.Substitu

8-7User Authentication Configuration ProblemsVerify That Port and Devices Characteristics MatchProcedureIn order for user authentication to function p

User Authentication Configuration Problems8-8Verify the Access Server and Security ConfigurationProcedureIf the access server is not able to communica

8-9User Authentication Configuration ProblemsVerify the User’s Authorization DataProcedureCheck these conditions:• If the user’s authorization informa

9-1Chapter 9Telnet Remote Console, Connection and Port ProblemsOverviewIntroductionThe following table lists steps and page references to help you sol

ixContentsAccess Server Manager Procedure...13-7Dial-In Modem Disconnects from the Se

Telnet Remote Console, Connection and Port Problems9-2Telnet Remote Console Connection ProblemsIntroductionIf you experience problems establishing a r

9-3Telnet Remote Console, Connection and Port ProblemsVerify Remote Console Port StatusOnly one remote console connection (MOP or Telnet) is allowed a

Telnet Remote Console, Connection and Port Problems9-4Console Port ProblemsSolutionWhen the console port does not display 900-series messages, the pro

10-1Chapter 10Terminal and Personal Computer ProblemsOverviewIntroductionThe following table lists steps and page references to help you solve problem

Terminal and Personal Computer Problems10-2Port and Device ProblemsProblem ActionPower• Ensure that the device is plugged into an active outlet.• Ensu

10-3Terminal and Personal Computer ProblemsProblems with Interactive DevicesSolutionAn interactive device can be a terminal with a video monitor and k

Terminal and Personal Computer Problems10-4b. Verify that the problem port has a Dedicated Service defined. If a dedicated service is defined, verify

10-5Terminal and Personal Computer ProblemsLocal> SHOW PORT 1Port 1: Michael Server: GEMINICharacter Size: 8 Input Speed: 9600Flow Con

Terminal and Personal Computer Problems10-6Command Line Recall Not WorkingIf command line recall is not working, enter the following command. Substitu

10-7Terminal and Personal Computer ProblemsTerminal Screen Scrolling When MONITOR Command Is UsedIf your terminal screen scrolls when you use the MONI

ContentsxIntroduction...15-4Verify Console Logg

Terminal and Personal Computer Problems10-8Verifying a Port for Hardware FailureProcedureTo determine if there is a problem with the hardware, do the

10-9Terminal and Personal Computer Problemsc. From another port, enter the following command. Substitute the number of the port for 1:Local> TEST P

Terminal and Personal Computer Problems10-10PC File Transfer Fails over a LAT NetworkSolutionIf a PC file transfer fails over a LAT network, do the fo

10-11Terminal and Personal Computer ProblemsPC File Transfer Fails over a SLIP NetworkSolutionIf a PC file transfer fails over a SLIP or PPP network,

Terminal and Personal Computer Problems10-12PC File Transfer Fails over a Telnet NetworkSolutionIf a PC file transfer fails over a TCP/IP network, do

11-1Chapter 11Printer Configuration ProblemsOverviewIntroductionThe following table lists steps and page references to help you solve printer configur

Printer Configuration Problems11-2Verify the Physical Port CharacteristicsProcedureThe table Port and Device Problems lists the first items to verify

11-3Printer Configuration ProblemsVerify the Port ConfigurationProcedure• Verify that the printer port is configured correctly. Enter the following co

Printer Configuration Problems11-4Test the Printer PortProcedureTo test a printer port, enter the following command on your access server. Substitute

11-5Printer Configuration ProblemsVerify Access Server InformationProcedureVerify the following information on the access server:1 Verify the access s

xiContentsChapter 19 Messages 200 – 299Overview...

Printer Configuration Problems11-6Access: Remote Current Service: SATURNStatus: Connected Current Node: SATURNSessions: 1 Current Port:

11-7Printer Configuration ProblemsLAT Printing ProblemsIntroductionIf the device characteristics (see the section Verify the Physical Port Characteris

Printer Configuration Problems11-8On the access server, enter the following command. Substitute the number of the printer port number for 2:Local>

11-9Printer Configuration ProblemsAt an OpenVMS host, enter the following commands. Substitute the number of the LTA: port for 8000:$ RUN SYS$SYSTEM:L

Printer Configuration Problems11-10Having the queue in a paused state usually means a hard error. Perform the following to determine why:Step Action1

11-11Printer Configuration Problems3 Check the print queue for any LAT error messages. Enter the following command. Substitute the name of the queue f

Printer Configuration Problems11-12Verify LAT Group CodesVerify that the group codes on the service node match that of the access server.At an OpenVMS

11-13Printer Configuration ProblemsOn the access server, enter the following command:Local> SHOW SERVERAccess Server Vn.0 for DSnnn-nn BLnn ROM Vn.

Printer Configuration Problems11-14Telnet Printing ProblemsIntroductionIf the device characteristics (see the section Verify the Physical Port Charact

11-15Printer Configuration ProblemsTelnet Printer Not Creating a NewlineSolutionIf your printer does not create a newline when printing, enter the fol

ContentsxiiChapter 26 Messages 900 – 999Overview...

12-1Chapter 12Computer Configuration ProblemsOverviewIntroductionThe following table lists page references to help you solve problems that can occur w

Computer Configuration Problems12-2Unable to Connect to a Computer Offered as a LAT ServiceSolutionIf you are unable to connect to a computer offered

12-3Computer Configuration ProblemsComputer Does Not Respond to LAT Service ConnectionSolutionIf you can connect to the LAT service but the computer d

Computer Configuration Problems12-4For more information on LAT service connection problems, refer to Chapter 2.6 Monitor the port status to determine

12-5Computer Configuration ProblemsUnable to Access a Computer Through a Telnet ListenerSolutionIf you are unable to access a computer through a Telne

Computer Configuration Problems12-6Connected to Telnet Listener but Computer Does Not RespondSolutionIf you can connect to the Telnet listener but the

12-7Computer Configuration ProblemsFor more information on Telnet resource connection problems, refer to Chapter 3.6 Monitor the port status to determ

Computer Configuration Problems12-8Connection to a Telnet Listener Results in Double Echoes or Double LinesSolutionIf you are experiencing problems wi

13-1Chapter 13Modem Configuration ProblemsOverviewIntroductionThe following table lists page references to help you solve problems that can occur when

xiiiPrefaceOverviewPurposeThis guide describes problem-solving tools and procedures for the various network access servers.Intended AudienceThe Networ

Modem Configuration Problems13-2Configure DSR so that it complies with ITU (CCITT) recommendations.NOTE

13-3Modem Configuration ProblemsDial-In Modem Does Not Answer the TelephoneSolutionIf the dial-in modem does not answer the phone, follow the dial-in

Modem Configuration Problems13-43 When the access server receives the call, verify that the dial-in modem is detecting data terminal ready (DTR). Usua

13-5Modem Configuration ProblemsDial-In Modem Answers but Carrier Detect Light Is OffSolutionIf the modem answers the telephone, but the carrier detec

Modem Configuration Problems13-6Dial-in Modem Is Unable to Communicate with the Access ServerSolutionIf the modem answers the telephone and the CD (or

13-7Modem Configuration ProblemsAccess Server Manager ProcedureAccess server manager should do the following:Step Action1 Verify that the physical por

Modem Configuration Problems13-8Dial-In Modem Disconnects from the ServerSolutionIf the dial-in modem disconnects from the server, the problem can be

13-9Modem Configuration ProblemsCannot Connect to Dial-Out Modem Offered as a LAT ServiceSolutionIf you cannot connect to the dial-out modem offered a

Modem Configuration Problems13-10Connected to LAT Service but Dial-Out Modem Does Not RespondSolutionIf you can connect to the LAT service but you can

13-11Modem Configuration Problems8 Monitor the port status to determine which modem signals are being asserted. Enter the following command on your ac

PrefacexivTypographical ConventionsThe following typographical conventions are used in this manual:Convention DescriptionSpecial type Special type in

Modem Configuration Problems13-12Cannot Connect to Dial-Out Modem Through a Telnet ListenerSolutionIf you are unable to connect to a dial-out modem th

13-13Modem Configuration ProblemsConnected to Telnet Listener but Dial-Out Modem Does Not RespondSolutionIf you can connect to the Telnet listener but

Modem Configuration Problems13-148 Monitor the port status to determine which modem signals are being asserted. Enter the following command on your ac

13-15Modem Configuration ProblemsCannot Complete Dial-Out to Remote ModemSolutionIf you can communicate with the modem but cannot complete the dial-ou

Modem Configuration Problems13-16Cannot Complete a Dialback Request Using a Dialer ServiceSolutionIf you requested a callback but the server did not c

14-1Chapter 14IPX ProblemsOverviewIntroductionThe following table lists steps and page references to help you solve problems that can occur when using

IPX Problems14-2Problems with Dialing In to Access Server PortsIntroductionIf you experience problems with your PC client when dialing and logging in

14-3IPX ProblemsMonitoring Active Dial-In and Login AttemptYou may want to monitor the port as the modem dial-in and login attempt is being made by th

IPX Problems14-4Problems With PPP/IPX Negotiations on the Access Server PortSolutionIf problems with PPP/IPX negotiations remain after successful dial

14-5IPX ProblemsProblems with Attaching to a Novell File ServerIntroductionIf problems with connecting to a NetWare file server occur after successful

xvPrefaceAssociated DocumentsAdditional ReadingRefer to the following documents for more information:• Release Notes — Provides the latest information

IPX Problems14-6Problems with Relatively Slow File TransferSolutionIf file transfer to or from Novell file servers seem unusually slow, type SHOW PORT

15-1Chapter 15Accounting ProblemsOverviewIntroductionThe following table lists steps and page references to help you solve problems that can occur whe

Accounting Problems15-2Problems with Accounting LogIntroductionIf you experience problems creating an Accounting log file, verify the following:• The

15-3Accounting ProblemsVerify That the Threshold is AppropriateTo verify that the logging threshold is appropriate, enter the following command:Local&

Accounting Problems15-4Problems with Accounting Console LoggingIntroductionIf you experience problems getting the accounting component to display even

15-5Accounting ProblemsVerify Server Console PortTo verify that the server console port is enabled, enter the following command:Local> SHOW SERVERN

16-1Chapter 16Remote Login ProblemsOverviewThe information in this chapter describes some of the problems you may encounter when managing the Rlogin f

Remote Login Problems16-2Rlogin Connection ProblemsIf you experience problems connecting to a Rlogin resource, verify the following:• Internet address

16-3Remote Login ProblemsVerify Internet AddressIf you are unable to connect to a Rlogin resource using an Internet address, enter the following comma

Remote Login Problems16-4Verify Domain Name System (DNS) ParametersIf you are unable to connect to a Rlogin resource using an Internet host name, ente

16-5Remote Login ProblemsVerify Access Server Memory UsageThe access server has a limited pool of memory. With large networks or many port sessions, i

Remote Login Problems16-6Resource errors indicate the number of times an internal data structure could not be created due to the lack of system memory

16-7Remote Login ProblemsIf the number of Resource Errors is greater than zero, the access server memory might be full. Make the following corrections

Remote Login Problems16-8If the username is not specified on the command line, the port username is usually the name used. The following are exception

16-9Remote Login ProblemsRlogin Client Characters Do Not Display on TerminalSolutionIf characters do not display during a Rlogin session, enter the fo

Remote Login Problems16-10Rlogin Client HungSolutionIf your Rlogin session appears to be hung, the Rlogin remote partner could have abnormally disconn

16-11Remote Login ProblemsRlogin Client Hung After Entering Suspend Input or Suspend IO SequenceSolutionIf your Rlogin session appears to be hung and

Remote Login Problems16-12Rlogin Client Editor Characters Not Functioning ProperlySolutionIf you experience unusual responses to Ctrl/S or Ctrl/Q keys

16-13Remote Login ProblemsRlogin Terminal Type "Unknown" Insufficient for Some ApplicationsSolutionChange the Rlogin terminal setting using

1-1Chapter 1Software Installation ProblemsOverviewIntroductionThe following table lists the steps and page references to help you solve software insta

17-1Chapter 17Directed TFTP ProblemsOverviewThis chapter describes some of the problems you may encounter after configuring your access server for Dir

Directed TFTP Problems17-2Missing Access Server IP AddressThe access server must have a local IP address at the time TFTP load requests are issued. Th

17-3Directed TFTP ProblemsMissing Default Gateway IP AddressIf the TFTP server is not located in the same IP LAN subnet (i.e. reachable using ARP), th

Directed TFTP Problems17-4Incorrect FilenameThe access server must have the load image file name configured to perform a TFTP load. Typically the acce

17-5Directed TFTP ProblemsNo or Poor Network ConnectivityYou may receive a timeout status message on the access server physical console port. If netwo

Directed TFTP Problems17-6Improperly Configured TFTP ServerIf your TFTP server host operating system uses case-sensitive file names, be sure that the

17-7Directed TFTP ProblemsDirected TFTP Error and Status MessagesLocal -903- [DTFTP] Loading from host nnn.nnn.nnn.nnn [ETHERNET]Explanation: Indicate

Directed TFTP Problems17-8Local -962- [IP] TFTP Error message received, code: 01 File "FOO" not found.Explanation: The access server is atte

18-1Chapter 18Messages 000 – 099OverviewIntroductionThis chapter provides information on messages 000 – 099.MessagesLocal -008- Ping session currently

Software Installation Problems1-2Access Server Software Does Not Load ProperlyVerify the Network Access Server HardwareCheck the LEDs on the hardware.

Messages 000 – 09918-2Action: Hang up the local modem by logging out of the access server. If necessary, prepare the local modem to receive the incomi

19-1Chapter 19Messages 200 – 299OverviewIntroductionThis chapter provides information on messages 200 – 299.MessagesLocal -201- Connection to service-

Messages 200 – 29919-2Local -203- Connection to service-name not establishedService node retransmission limit exceededExplanation: The connection requ

19-3Messages 200 – 299Explanation: The access server is receiving messages that violate the LAT protocol.Local -208- Connection to service-name termin

Messages 200 – 29919-4Explanation: The access server is receiving messages that violate the LAT protocol.Local -215- Connection to service-name not es

19-5Messages 200 – 299Explanation: The connection request failed or the existing connection was terminated because the service is not available.Action

Messages 200 – 29919-6Local -223- Connection to service-name not establishedNode user disconnectExplanation: The connection request failed or the exis

19-7Messages 200 – 299Local -227- Connection to service-name not establishedTime limit expiredExplanation: The connection request failed or the existi

Messages 200 – 29919-8Explanation: The connection request failed or the existing connection was terminated because the requested service is not offere

19-9Messages 200 – 299Local -238- Connection to service-name not establishedCorrupted solicit requestExplanation: The access server is receiving messa

1-3Software Installation ProblemsVerify the Load HostConsult the following information to ensure that your operating system is compatible with the sof

20-1Chapter 20Messages 300 – 399OverviewIntroductionThis chapter provides information on messages 300 – 399.MessagesLocal -301- Telnet option negotiat

Messages 300 – 39920-2Local -303- Insufficient resources to complete Telnet connectionExplanation: The access server could not complete the Telnet con

20-3Messages 300 – 399Local -307- Invalid operation on a Telnet server sessionExplanation: A command that is valid for a Telnet client connection was

Messages 300 – 39920-4Verify that the keyboard character is mapped to a Telnet function. For more information on mapping keys to Telnet client and Tel

20-5Messages 300 – 399Local -323- Telnet listener failed to get a socketExplanation: The access server was unable to enable the Telnet listener due to

Messages 300 – 39920-6Local -326- Must first enable ports on this listenerExplanation: A listener cannot be enabled because it has no physical ports a

20-7Messages 300 – 399Local -333- Invalid terminal type specifiedExplanation: The terminal type you specified is invalid.Action: Enter a valid termina

Messages 300 – 39920-8Local -351- Invalid subnet maskExplanation: The subnetwork address specified is not valid.Action: Enter a valid subnetwork mask.

20-9Messages 300 – 399Local -357- ARP entry limit reachedExplanation: The access server limit for ARP entries has been reached.Action: Remove an ARP e

Software Installation Problems1-4BOOTP/TFTP - One of the following:Some System V systems, such as HP-UX and SCO, may not support the upline dump of se

Messages 300 – 39920-10Local -361- Error deleting gateway entry, entry not knownExplanation: You attempted to delete (CLEAR or PURGE) a gateway that i

20-11Messages 300 – 399Local -366- Gateway entry checksum errorExplanation: When the access server initialized or rebooted, it detected a gateway entr

Messages 300 – 39920-12Local -372- Connection reset by peerExplanation: The remote host disconnected the access server session.Local -373- Insufficien

20-13Messages 300 – 399Local -374- Connection timed outExplanation: The access server could not make the requested connection in the allotted time.Act

Messages 300 – 39920-14Local -376- Host is downExplanation: The access server has determined that the requested remote host is unreachable.Action: Ent

20-15Messages 300 – 399Local -377- No route to hostExplanation: The Internet network interface has not been initialized because the access server Inte

21-1Chapter 21Messages 400 – 499OverviewIntroductionThis chapter provides information on messages 400 – 499.MessagesLocal -400- Insufficient resources

Messages 400 – 49921-2Local -401- Unsupported functionExplanation: The command was not recognized.Action: To ensure that you are specifying all of the

21-3Messages 400 – 499Local -411- PING successful: host reachableExplanation: A PING or TEST TELNET command was successful in reaching the specified h

1-5Software Installation ProblemsAt an OpenVMS load host:Step Action1 Check the logical symbol MO*$LOAD to see if it is defined in the DECSERVER direc

Messages 400 – 49921-4Local -426- Host name lookup failureExplanation: The access server cannot find the host name in its database. This error message

21-5Messages 400 – 499Local -428- No buffer available to resolve nameorLocal -429- Add to database failureExplanation: The access server could not com

Messages 400 – 49921-6Local -431- Illegal Internet addressExplanation: You specified an illegal Internet address.Action: Verify the correct Internet a

21-7Messages 400 – 499Local -438- DNS entry limit exceededExplanation: You attempted to enter (using the SET, DEFINE, or CHANGE command) a DNS-related

Messages 400 – 49921-8Local -454-Authentication failed, timed outExplanation: The system timed out before receiving a response from the Kerberos secur

21-9Messages 400 – 499Local -459-Duplicate security server host nameExplanation: The security server host name entered is already in use.Action: Reent

Messages 400 – 49921-10Local -466-Security parameter out of rangeExplanation: The numeric value of the parameter is not allowed.Action: Reenter the va

21-11Messages 400 – 4998008 - No SecurID server foundA701 - Kerberos password service cannot fetch local realmA702 - Kerberos password service unable

Messages 400 – 49921-12Local -469-Security server password has been changedExplanation: This is a system status message.Action: No user action is requ

21-13Messages 400 – 499Action: Check both the Internet counters for errors and the operation of the security server host. For more information on secu

Software Installation Problems1-6At a UNIX load host, do the followingVerify that all distribution software was installed in the appropriate directory

Messages 400 – 49921-14Local -487-User Account account-name does not existExplanation: A user account with the specified name was not found in the dat

21-15Messages 400 – 499Explanation: The dial service name string is too long.Action: Use a shorter string.Local -492-Prompt too longExplanation: The s

22-1Chapter 22Messages 500 – 599OverviewIntroductionThis chapter provides information on messages 500 – 599.MessagesLocal -520- Could not acquire Appl

Messages 500 – 59922-2Explanation: The access server could not create a cache entry to cache AppleTalk addresses for potential attached host connectio

22-3Messages 500 – 599Local -550- SLIP not enabled on that portExplanation: The SLIP characteristic has not been enabled on the access server port.Act

Messages 500 – 59922-4Local> CHANGE PORT 1 MULTISESSIONS DISABLEDFor more information on configuring and managing SLIP ports, refer to the Network

22-5Messages 500 – 599To disconnect the SLIP session, enter the following command. Substitute the session number for 2.Local> DISCONNECT SESSION 2F

Messages 500 – 59922-6Local -569- Host address may be applied to one port onlyExplanation: Host addresses may not be applied to multiple ports. The SE

23-1Chapter 23Messages 600 – 699OverviewIntroductionThis chapter provides information on messages 600 – 699.MessagesLocal -600- Mandatory callback ena

1-7Software Installation ProblemsFor more information on the DSV$CONFIGURE database, refer to the Network Access Software Installation Guide.At a UNIX

Messages 600 – 69923-2Local -601- Internal memory error in port parametersAccess server defaults in effectExplanation: Parameters in the access server

23-3Messages 600 – 699Local -602- Internal memory error in server parametersAccess server defaults in effectExplanation: Parameters in the access serv

Messages 600 – 69923-4Local -612- Flash RAM write protectedExplanation: For network access servers with user-installable Flash RAM cards, this message

23-5Messages 600 – 699Local -616- Load image too large for Flash RAM free spaceExplanation: The network access server load image obtained over the net

Messages 600 – 69923-6Local -654- Insufficient space: total unused community characters left is nExplanation: The community name you specified causes

23-7Messages 600 – 699Local -657- Permanent database inaccessible at this momentExplanation: You attempted to use the DEFINE or CHANGE command with an

Messages 600 – 69923-8Local -664- Community name truncatedExplanation: The community name you entered has been truncated to the 32-character limit.Act

24-1Chapter 24Messages 700 – 799OverviewIntroductionThis chapter provides information on messages 700 – 799.MessagesLocal -701- Command syntax erroror

Messages 700 – 79924-2Local -705- Entry entry-id not in queueExplanation: You specified a nonexistent queue entry in a REMOVE QUEUE or SHOW/MONITOR QU

24-3Messages 700 – 799• The access server node limit has been reached.• Group codes are not enabled.• The access server has used up its memory.Local -

Software Installation Problems1-8At DECnet/OSI load hosts:Verify the Load Host Is Available and Service Is EnabledOn the load host, verify that the ne

Messages 700 – 79924-4Local -714- Preferred service/host has not been definedExplanation: You entered the CONNECT command without a service name and t

24-5Messages 700 – 799Local -716- Access to service service-name deniedExplanation: The problem might be caused by one of the following:• The port and

Messages 700 – 79924-6Local -720- Protocol does not support operationExplanation: You entered a SET SESSION TELNET or SET SESSION TN3270 command when

24-7Messages 700 – 799Local -725- Access to node node-name deniedExplanation: The problem might be caused by one of the following:• The port and servi

Messages 700 – 79924-8Explanation: The problem might be caused by one of the following:• You did not specify a port number (you cannot loop back to yo

24-9Messages 700 – 799Local -737- Flash RAM is not installed or not supportedExplanation: You entered a flash RAM command on a system that either does

Messages 700 – 79924-10Local -746- Monitor currently in useExplanation: You entered the MONITOR command when another MONITOR command is still in effec

24-11Messages 700 – 799Local -756- Specified server name already in useExplanation: You entered the SET/DEFINE/CHANGE SERVER NAME command specifying a

Messages 700 – 79924-12Local -772- Queued access failed, error or no response from serviceExplanation: A queued request was accepted by the service no

24-13Messages 700 – 799Action: For the correct command syntax, refer to the Network Access Software Commands Reference Guide.Local -780- Parameter ina

1-9Software Installation ProblemsNCP> SHOW KNOWN LINKSIf there are no known links active, enter the following commands to enable service circuit BN

Messages 700 – 79924-14Action: Wait and try again.Local -794- Type only one character or control sequenceExplanation: You tried to specify more than o

25-1Chapter 25Messages 800 – 899OverviewIntroductionThis chapter provides information on messages 800 – 899.MessagesLocal -800- TN3270: operator termi

Messages 800 – 89925-2Local -803- TN3270: initialization failed setting portExplanation: The TN3270 session failed to be initialized due to a temporar

25-3Messages 800 – 899Local -809- TN3270: invalid operationExplanation: A command was entered that is not allowed while a TN3270 session is active.Act

Messages 800 – 89925-4Local -815- TN3270: Your keymap assignment conflicts with existing keymap functionExplanation: The keymap assignment you tried t

25-5Messages 800 – 899Local -821- TN3270: keymap does not existExplanation: You referred to a keymap type name that does not exist.Action: Check the a

Messages 800 – 89925-6Local -827- TN3270: Cannot CLEAR terminal while a port uses itExplanation: You tried to CLEAR a particular terminal type while o

25-7Messages 800 – 899Local -884- Command Group and Menu NVRAM entry limit exceededExplanation: There is a finite amount of NVRAM allocated for storin

26-1Chapter 26Messages 900 – 999OverviewIntroductionThis chapter provides information on messages 900 – 999. These messages appear only on the console

Software Installation Problems1-10Ensure the Access Server Software Image File NameIs Defined CorrectlyFor an OpenVMS load host:Problem: The following

Messages 900 – 99926-2Local -903- [protocol] Loading from host addressExplanation: This message indicates that the load host is downline loading the a

26-3Messages 900 – 999Local -912- [protocol] Load failure, timeoutExplanation: A downline load sequence was interrupted because a load message was not

Messages 900 – 99926-4Local -914- [protocol] Dump failure, timeout• Explanation: The access server was unable to send an upline dump file to the load

26-5Messages 900 – 999Local -917- Load failure, invalid boot block CRCExplanation: Flash RAM contains a corrupted boot block.Action: No user action is

Messages 900 – 99926-6Local -951- Server will retry operation in n secondsExplanation: The access server is unable to find the load host or the host s

26-7Messages 900 – 999Ask the system manager to perform the following command. Substitute the DECnet node name of the access server for server-node-na

Messages 900 – 99926-8Ask the system manager to perform the following command. Substitute the DECnet node name of the access server for server-node-na

26-9Messages 900 – 999Local -960- Available memory n MbytesExplanation: In message 960, n is the number of megabytes of memory. This messages is gener

Messages 900 – 99926-10Local -965- Dump failedExplanation: The access server has not been successful in performing a dump. It will try to perform a du

26-11Messages 900 – 999Local -992- LOAD channel set to an IMBExplanation: Software load channel set to an IMB channel.Action: No action is requiredLoc

1-11Software Installation ProblemsSuccessful Downline Load MessagesMessagesThe following examples show the messages for a successful downline load.For

27-1Chapter 27Messages 1000 – 1099OverviewIntroductionThis chapter provides information on messages 1000 – 1099. These messages appear when you are us

Messages 1000 – 109927-2Local -1051- Port’s default protocol is not DIALExplanation: A request to dial a phone number was made, but the current port’s

28-1Chapter 28Messages 1100 – 1208OverviewIntroductionThis chapter provides information on messages 1100 – 1208.MessagesLocal -1100- Authorization fai

Messages 1100 – 120828-2Local -1102-Authorization failure - network address not specifiedExplanation: The authorization information calls for a framed

28-3Messages 1100 – 1208Local-1111- Authorization failure - host name > 16 charExplanation: The name of the host is too long.Action: Use a name no

Messages 1100 – 120828-4Local-1116- Authorization failure - Rlogin host name too longExplanation: The name of the Rlogin host is too long.Action: Use

28-5Messages 1100 – 1208Local -1204- Illegal Rlogin host specificationExplanation: The Rlogin host name was more than 255 characters.Action: Specify a

29-1Chapter 29Service GuidelinesOverviewIntroductionThis chapter provides guidelines to follow when you experience a problem with your access server.

Network Access SoftwareProblem Solving GuidePart Number: PG-DNAS0-00February 2001 This book describes how to solve problems if an error is encountere

Service Guidelines29-2• If possible, record the symptoms when the access server failed, the troubleshooting steps you took, and the results of those s

PG-DNAS0-00 Digital NetworksTM

2-1Chapter 2LAT Service Connection ProblemsOverviewIntroductionThe following table lists the steps and page references to help you solve problems that

LAT Service Connection Problems2-2Connection to Resources Using the LAT Protocol FailsVerify the LAT Service ConfigurationThis section enables you to

2-3LAT Service Connection ProblemsAt an OpenVMS host (Version 5.4-1 and later):Ask the system manager of a node that offers the LAT service to invoke

LAT Service Connection Problems2-4To allow both incoming and outgoing connections, use the following command:LATCP> SET NODE/CONNECTIONS=BOTHVerify

2-5LAT Service Connection ProblemsFor services offered by the access server that you are on, enter the following command on your access server:Local&g

LAT Service Connection Problems2-6For services offered by a service node:At an OpenVMS host, enter the following commands:$ RUN SYS$SYSTEM:LATCPLATCP&

2-7LAT Service Connection ProblemsCommand Pool Size: 20480 bytesCommand Pool Used: 8428 bytesMOP Pool Size: 4096 bytesMOP Pool Used: 148 bytesTo

LAT Service Connection Problems2-8If the number of Resource Errors is greater than zero, the access server memory might be full. Make the following co

2-9LAT Service Connection ProblemsVerify Service RatingTo determine if a LAT service is available, verify the service rating.For services offered by t

Digital Networks makes no representations that the use of its products in the manner described in this publication will not infringe on existing or fu

LAT Service Connection Problems2-10Verify Nodes That Offer the ServiceTo verify nodes that offer a LAT service, enter the following access server comm

2-11LAT Service Connection ProblemsVerify Communications to Another Access ServerIf you are on a different access server than the one offering the ser

3-1Chapter 3Telnet Resource ProblemsOverviewIntroductionThe following table lists steps and page references to help you solve problems that can occur

Telnet Resource Problems3-2Telnet Resource Connection ProblemsIntroductionIf you experience problems connecting to a Telnet resource, verify the follo

3-3Telnet Resource ProblemsVerify Internet Host NameIf you are unable to connect to a Telnet resource using an Internet host name, enter the following

Telnet Resource Problems3-4This command establishes a PING session on the access server port. This session will continue until the PING succeeds (and

3-5Telnet Resource ProblemsTelnet Client Keyboard Characters Do Not Display ProperlySolutionIf a keyboard character does not display properly during a

Telnet Resource Problems3-6Telnet Client Characters Do Not Display on TerminalSolutionIf characters do not display during a Telnet session, enter the

3-7Telnet Resource ProblemsMore InformationFor more information on configuring Telnet client session characteristics, refer to the Network Access Soft

iiiContentsPrefaceOverview...xiii

Telnet Resource Problems3-8Telnet Client HungSolutionIf your Telnet session appears to be hung, the Telnet remote partner could have abnormally discon

3-9Telnet Resource ProblemsTelnet Client Hung After Sending AO CharacterSolutionIf your Telnet session appears to be hung and you previously sent an A

Telnet Resource Problems3-10Telnet Client Does Not Respond to the Return KeySolutionIf the Return key does not function properly during a Telnet sessi

3-11Telnet Resource ProblemsMore InformationFor more information on configuring Telnet client session characteristics, refer to the Network Access Sof

Telnet Resource Problems3-12Telnet Client Editor Characters Not Functioning ProperlySolutionIf you experience unusual responses to keystrokes when usi

4-1Chapter 4SLIP/PPP ProblemsOverviewIntroductionThis chapter discusses troubleshooting procedures for problems that might occur when you attempt to c

SLIP/PPP Problems4-2SLIP Session Starts, Then Freezes 4-10PPP Connection Problems 4-11Problem SolutionSeePage

4-3SLIP/PPP ProblemsSLIP Connection ProblemsIntroductionYou can establish only one datalink session (either SLIP or PPP) on a port at a given time. If

SLIP/PPP Problems4-4Verify SLIP Host AddressIf you are unable to connect using the SLIP protocol, enter the following command. Substitute the number o

4-5SLIP/PPP ProblemsIf the TCP MSS given by the SLIP host exceeds the MTU on the SLIP line, poor performance, failed connections, and fragmentation oc

ContentsivVerify Access Server Memory Usage...2-6Verify Service Rating...

SLIP/PPP Problems4-6• Verify that Autobaud is Disabled. (If Disabled, Autobaud does not appear in the list under Enabled Characteristics.)• Verify tha

4-7SLIP/PPP ProblemsSLIP Session Losing Send PacketsSolutionIf your SLIP session appears to be dropping send packets, enter the following command. Sub

SLIP/PPP Problems4-8SLIP Session Not Receiving InputSolutionIf your SLIP session will not transmit or receive, check that the port’s speed and the PC’

4-9SLIP/PPP ProblemsSLIP Session Will Not Learn the PC Internet AddressSolutionIf the access server port is unable to learn the SLIP host address, ver

SLIP/PPP Problems4-10SLIP Session Starts, Then FreezesSolutionIf your SLIP session starts, then freezes, do the following:• Verify that there are no d

4-11SLIP/PPP ProblemsPPP Connection ProblemsIntroductionPPP connection problems can be traced to incomplete PPP negotiations between peers or to netwo

SLIP/PPP Problems4-12• Verify that flow control is functioning properly. By default, the low 32 characters of the ASCII set are not sent across an asy

4-13SLIP/PPP Problems• ATCP always executes a PASSIVE open, which in effect forces the attached device to initiate negotiations.• If the access server

SLIP/PPP Problems4-14Checking the Port’s PPP/IPX ConfigurationType SHOW PORT n LCP CHARACTERISTICS and SHOW PORT n IPXCP CHARACTERISTICS to check the

4-15SLIP/PPP ProblemsFailure ReasonsIntroductionWhen you display status, a failure reason field appears. Table: Failure Reasons describes the possible

vContentsProcedure...4-7More Information.

SLIP/PPP Problems4-16Peer address bad This occurs if the address negotiated for the peer is invalid. For IPXCP, this error occurs if the address is al

5-1Chapter 5AppleTalk Access ProblemsOverviewIntroductionThe following table lists the steps and page references to help you solve problems that can o

AppleTalk Access Problems5-2Problems with attached host connections running AppleTalk are not discussed here, but are covered in Chapter 4.2. Verify P

5-3AppleTalk Access ProblemsProblems with Hosts Attached to Access Server PortsIntroductionIf you experience problems creating an AppleTalk connection

AppleTalk Access Problems5-4Verify AppleTalk Address Is Within the Network RangeIt is possible that the AppleTalk address is outside the network range

5-5AppleTalk Access Problems• Access server could not acquire addresses in the network range. If this occurs, the access server sets the Last Error fi

AppleTalk Access Problems5-6To determine if ATCP is enabled on the access server port, enter the following command. Substitute the port number for 1:L

5-7AppleTalk Access ProblemsPerformance ProblemsIntroductionIt is possible that AppleTalk connections can be established, but performance is sluggish

AppleTalk Access Problems5-8AppleTalk Gateway RouteSolutionIf the AppleTalk node to which you wish to connect is outside your local LAN, there may be

6-1Chapter 6SNMP Access ProblemsOverviewIntroductionThe following table lists page references to help you solve Simple Network Management Protocol (SN

ContentsviIntroduction...6-1SNMP Reporting Is

SNMP Access Problems6-2SNMP Reporting Is Not Consistent with the Access ServerSolutionIf the data reported by SNMP does not appear to be consistent wi

6-3SNMP Access ProblemsSNMP Reporting Is Not Consistent with the MIBSolutionIf the data reported by SNMP does not appear to be consistent with that re

SNMP Access Problems6-4Problems Accessing the Access ServerIntroductionIf you experience problems with your access server responding to SNMP requests

6-5SNMP Access ProblemsVerify Community Name Access InformationIn order to communicate using SNMP, the user on the NMS must know the community name on

SNMP Access Problems6-6Verify Network ConfigurationIf the access server and network management station (NMS) are on different subnetworks, verify that

6-7SNMP Access ProblemsAccess Server Not Responding with the Requested MIB InformationSolutionIf your access server is not responding with the correct

SNMP Access Problems6-8• If the NMS does not support these exact versions of the MIBs but does support MIB enrollment, do the following:— Use the MIBs

6-9SNMP Access ProblemsAccess Server Not Sending TRAP MessagesIf the access server is not sending TRAP messages to the Network Management Station (NMS

SNMP Access Problems6-10Authentication Failure TRAP Messages ReportedSolutionIf an NMS is receiving authentication failure TRAP messages, the problem

6-11SNMP Access ProblemsAuthentication Failure TRAP Messages Not ReportedSolutionIf you suspect a network management station (NMS) is not receiving au

viiContentsVerify the Access Server and Security Configuration...8-8Procedure...

7-1Chapter 73270 Terminal Emulation (TN3270) Access ProblemsOverviewIntroductionThe following table lists steps and page references to help you solve

3270 Terminal Emulation (TN3270) Access Problems7-2TN3270 Connection ProblemsIntroductionIf you experience problems with TN3270 connections and keymap

7-33270 Terminal Emulation (TN3270) Access ProblemsFor more information on configuring Display Station models for TN3270 access, refer to the Network

3270 Terminal Emulation (TN3270) Access Problems7-4Table: Messages Appearing in the Status Line IndicatorVerify TN3270 Keyboard MapsA keyboard map ass

7-53270 Terminal Emulation (TN3270) Access ProblemsTo display the default keyboard map assigned to your port, enter the following command:Local> SH

3270 Terminal Emulation (TN3270) Access Problems7-6Default Keyboard Maps UnsuitableSolutionBefore connection, you can customize any of the key definit

7-73270 Terminal Emulation (TN3270) Access ProblemsTelnet Negotiations ProblemsSolutionWhen you are using a TN3270 connection, certain Telnet options

8-1Chapter 8User Authentication Configuration ProblemsOverviewIntroductionYou can use the following types of security servers:• Kerberos• RADIUS• Secu