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HP General IO Connectivity manual Data link L2 and Physical L1 Levels Chapter

Models: General IO Connectivity

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Troubleshooting Install Flowchart Table C-8 DTE-Specific Signals Modify IP Over X.25 Defaults Table C-4 Timer Expired Symbols Configuration Reporting Problems RESET/CLEAR Packet Codes

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About the X.25 Product

Data link (L2) and Physical (L1) Levels

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Chapter 1

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HP General IO Connectivity manual Data link L2 and Physical L1 Levels Chapter

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Contents

Edition Manufacturing Part Number J2793-90073 E0607 Legal Notices Contents Diagnostic Utilities PAD Services Tracing and Logging Utilities SUsing Non-English Subscription Forms Diagnostic Messages Tables Tables Tables Tables Figures Figures About the X.25 Product Introduction Link Architecture BSD IPC TCP/UDP Application L7, Presentation L6, Session L5 Levels Transport Level L4 Packet/network Level L3 Data link L2 and Physical L1 Levels Data link L2 and Physical L1 Levels Chapter Installation Hardware Requirements Before you Install the softwareInstalling Multiple X.25 Interface Cards Hardware Compatibility Memory OS Platform and Version CompatibilityRelated Parameters Example TM = 9,123,840 8.7 Mb Software Requirements Installing the X.25 Link Software Step Installing the X.25 Link Software Chapter Configuration Configuring the X.25 Link Using SAM Using SAM’s On-line Help Configuring an X.25 Address Field Descriptions Configuring X.25 Virtual Circuits VCs Configuring an Internet Address Configure Internet Address Configure Internet Address Field Descriptions IP Address and Default Subnet Masks Class IP Address Class Default Subnet Mask IP Address and Default Subnet MasksModify IP Over X.25 Defaults Modify IP over X.25 Defaults Field Descriptions Verifying Level 3 Values Verify Level 3 Values Verify Level 3 Values Field Descriptions Default is Modulo-8 Switched VC Flow Control Field Descriptions Permanent VC Flow Control Field Descriptions Configuring the X.25 Link Verifying Level 2 Values Throughput Classes and Line Speeds Settings for your configuration Verify Level 2 Values Field Descriptions Using Maximum Window-Size Settings with Modulo-128 Recommended Maximum Window Sizes Level 3 Packet Level 2 Window Size Configuring Remote System Access Add Internet Connectivity Dialog Add Internet Connectivity Field Descriptions X25init -cconfigurationfile-a ipmapfile Provide X.25 Information Field Descriptions Internet Addresses & Routes object list. SAM updates Configuring X.25 over LLC2 Configuration Files Additional XOL specific configuration parameters Patch requirements for the XOL HA feature and configurableField Format Value Xoldsap Devicelan00x7c Lanboxid Lanboxaddr 0x080009c4728a 0x7e Example 3-3 LLC2 Configuration Ccitt Run the following command at the Cisco console Starting and Stopping Configuration Step Run the following command at the Cisco console Sample setup and Configuration One Lan and Two Boxes configuration 11 One LAN, Two Boxes Configuration To connect Host to BOX To connect Host to BOX To Connect Box 1 to Host Configuring Two Lans, with One Box Per Lan To configure Host to LAN 1 to BOX To Start and Stop above configuration To Connect Box 0 to Host To Connect Box 1 to Host Troubleshooting LLC2 Configuration Add/Modify PAD Terminal Emulation Local to Configuring PAD ServicesRemote Add/Modify PAD Support Server Remote to Local Add/Modify PAD Printers Server Add/Modify Uucp Server Add/Modify X.3 Parameters PAD. As the terminal characteristics of your session change, Configuring the High Availability Feature Commands to be Configured in High Availability Packages Cluster Definition High Availability Configuration Example 3-4 One Example of Remote Failure Checking the Configuration $ x25check X25check 250207 -i interface0p2 Configuring the High Availability Feature for X.25 over LLC2 Unique MAC Address Requirement Configuring XOL HA for Local Failover Without ServiceGuard Local Failover 13 Before the Failover After the Failover Example Configuring Standby Device and Unique MAC Address Configuring XOL HA for Remote Failover Using Service Guard Remote Failover 15 Before the Failover Commands Used in the SG Package Control Scripts XOL Cluster Definition XOL Package Definition Example 3-6 XOL SG package for remote failover Remote Failover with Local Failover Support Using Service Guard Then, the above parameters take the following values Example Remote Failover with Local Failover support # Service Names and Commands Configuring the High Availability Feature for X.25 over LLC2 Verifying the X.25 Link Ping 100 OLA/R Overview and Concepts 102 Important Terms and Concepts Terms used in this section Meaning Card Compatibility On-Line ReplacementPlanning and Preparation On-Line Addition Critical Resources Failover Actions / Single Points of Failure Interface card under consideration will be stopped before How to On-line Replace OLR a J3525A orJ3526A PCI Card using SAM Disconnect messages. The connections will have to be Three Possible Critical Resource Analysis CRA Outcomes Screen Buttons Outcome Activate User Actions Displays Chapter 109 110 How to On-line Add OLA a J3525A or J3526A PCI Card using SAM 112 Chapter 113 114 Diagnostic Utilities Using Diagnostic Utilities Available Diagnostic Utilities Utility Description Refer to Scope of X.25 Diagnostic Utilities Psidad Before Using the Diagnostic Utilities X25check and x25server Example 1 Running x25check Interactively No Parameters 120 Example 2 Running x25check With an X.121 Address Example 3 Running x25check With a Data Packet Example 1 Displaying the Current Configuration X25stat Example 2 Displaying Global Statistics X25stat -d X25stat -g -d Diagnostic Utilities x25stat Level 3 State Output on Screen Description/Meaning Level 3 State Level 2 Link State Output on Screen Description/Meaning Level 1 Link State Output on Screen Description/Meaning Counters Example 3 Displaying Virtual Circuit Data PacketVC State Output on Screen Description/Meaning Example 5 Displaying X.25 Level 1 and 2 Statistics Example 4 Displaying Global X.25 Level 3 StatisticsVC State Chapter 129 Example 6 Displaying Virtual Circuit Status Example 7 Displaying Current IP to X.25 Address Mapping X25stat -a X25mibstat Example Statistics for x25mibstat X25mibstat Option Remark PAD Services Ccitt Recommendations PAD services and the HP 9000 host PAD Support Protocols Remote PAD Support x29server PAD Services as a PipeOverview Remote PAD Support Call Acceptance Mechanism and System Security 0x01000000 Configuring padspt Parameters Configuring Remote PAD SupportSupported Remote PAD Terminals Padspt Parameters Chapter 141 Launching Applications Automatically Remote PAD Printer Support x29printd Remote PAD Printer Support x29printd System Requirements Remote Printer Support Configuring Remote PAD Printers 146 Configuring the Unix Line-printer Spooler for x29printd Examples Printer ConfigurationX29printd and lpsched Operation Verifying the Configuration Uucp Support x29uucpd Configuring Uucp PAD Support Receiving HP Configuring the x29hosts file File ContentsPaduucp Parameters Chapter 153 Configuring System and Device Files for Uucp At the dave system Chapter 155 At the bill system Chapter 157 158 Chapter 159 Command Mode Local PAD Emulation padem Configuring Local PAD Emulation Data Transfer ModeParameter Descriptions 162 Chapter 163 PAD Commands PAD Command Set Extended Command Set 166 Configuring X.3 Profile Parameters Configuration Set Syntax Modifying Parameters Parameter Values Default X.3 Parameters Parameter Descriptions Parameter Description Value Meaning Chapter 171 172 Value Baud Rate 174 Chapter 175 176 Chapter 177 178 Tracing and Logging Utilities 180 Scope of X.25 Tracing and Logging Utilities Syntax NettlParameters 0x40000000 Tracing Masks Keyword a0x80000000 0x20000000 184 Netfmt Chapter 185 186 Creating a Filter File Filter File Syntax Filter File Options System/subsystem Type Value Level Filter Chapter 189 Filter File Examples Strace Chapter 191 7030 7030 + 1 = Chapter 193 Output Format Packet Type Parameters Displayed Frame Type Parameters Displayed Examples of the strace Command Examples of strace Output Record Time Tics Pri Ind Mod Sub Data Num 198 Strerr 200 Troubleshooting Troubleshooting Your X.25 Link Troubleshooting Commands Purpose Refer to Troubleshooting Flowcharts and Procedures Troubleshooting Commands Flowchart 2 Procedures and Notes Flowchart Chapter 205 Flowchart 2 Initialization Check See Note Flowchart 3 Procedures and Notes Flowchart 3 Hardware and License Check Flowchart 4 Procedures and Notes Flowchart 5 Procedures and Notes Flowchart 4 X.25 Configuration Check 210 Flowchart 5 IP Over X.25 Check For Systems With a Backup Power Supply Recovering From a Power FailureFor Systems With No Backup Power Supply Reporting Problems 214 Back-to-back Configuration on the Same Host Host 216 Configuration and Troubleshooting Commands Command Summary 218 Examples of x25init IP-to-X.121 Address Mapping Table Syntax for SVCs Syntax for PVCs File Mapping Parameters 222 Chapter 223 224 Using Non-English Subscription Subscription Form Translations Transpac Table A-1 French Transpac Subscription Form Itapac Table A-2 Using Your Itapac Italian Subscription Form Throughput Class Setting Table A-4 Using your Iberpac Spanish Subscription Form 230 Configuration Files Table B-1 Etc/x25 directory Configuration FilesTable B-2 Etc directory Table B-4 Table B-3 Var/x25/log/x25server directoryTable B-5 X25initdef File Example FilesTable B-6 Appendix B 235 236 X25initsmpl File Table B-7 238 X3config File 240 Example Files Appendix B 241 X29hosts File Table B-8 Network Type File x25networks Table B-9 Diagnostic Messages Appendix C Diagnostic Message Example Cause Code Settings Packet Codes RESET/CLEAR Packet CodesRestart Packet Codes Table C-2 Packet Type Invalid Diagnostic Diagnostic MessagesTable C-1 No Additional Information Diagnostic Explanation Table C-3 Packet Not Allowed Diagnostic Table C-2 Packet Type Invalid Table C-3 Packet Not Allowed LCI Table C-4 Timer Expired Diagnostic Incoming Table C-4 Timer Expired Appendix C 255 256 Appendix C 257 Table C-6 Category Miscellaneous Diagnostic Table C-7 International Problem and Maintenance Diagnostic Table C-7 International Problem and Maintenance Table C-8 DTE-Specific Signals Diagnostic Table C-8 DTE-Specific Signals Table C-9 OSI Network Service Problem Diagnostic Table C-9 OSI Network Service Problem Nsap Table C-10 Higher Level Initiated Diagnostic Table C-10 Higher Level Initiated 264 Symbols Index 266 267 268 269

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