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General IO Connectivity manual Troubleshooting
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General IO Connectivity
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Troubleshooting
Install
Flowchart
On-Line Replacement
Configuration
Reporting Problems
RESET/CLEAR Packet Codes
Diagnostic Utilities
Command Mode
Modify IP Over X.25 Defaults
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8 Troubleshooting
Chapter 8
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Contents
Manufacturing Part Number J2793-90073 E0607
Edition
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
BSD IPC TCP/UDP
Link Architecture
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
Installing Multiple X.25 Interface Cards
Before you Install the software
Hardware Requirements
Hardware Compatibility
OS Platform and Version Compatibility
Memory
Related Parameters
Example
TM = 9,123,840 8.7 Mb
Software Requirements
Step
Installing the X.25 Link Software
Installing the X.25 Link Software Chapter
Configuration
Using SAM
Configuring the X.25 Link
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
IP Address and Default Subnet Masks Class
Configure Internet Address Field Descriptions
IP Address and Default Subnet Masks
IP Address Class Default Subnet Mask
Modify IP Over X.25 Defaults
Verifying Level 3 Values
Modify IP over X.25 Defaults Field Descriptions
Verify Level 3 Values Field Descriptions
Verify Level 3 Values
Default is Modulo-8
Permanent VC Flow Control Field Descriptions
Switched VC Flow Control Field Descriptions
Configuring the X.25 Link
Throughput Classes and Line Speeds
Verifying Level 2 Values
Settings for your configuration
Verify Level 2 Values Field Descriptions
Using Maximum Window-Size Settings with Modulo-128
Level 3 Packet Level 2 Window Size
Recommended Maximum Window Sizes
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
Configuration Files
Configuring X.25 over LLC2
Patch requirements for the XOL HA feature and configurable
Additional XOL specific configuration parameters
Field Format Value
Xoldsap
Devicelan00x7c Lanboxid Lanboxaddr 0x080009c4728a 0x7e
Example 3-3 LLC2 Configuration
Ccitt
Run the following command at the Cisco console
Step Run the following command at the Cisco console
Starting and Stopping Configuration
One Lan and Two Boxes configuration
Sample setup and 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 Start and Stop above configuration
To configure Host to LAN 1 to BOX
To Connect Box 0 to Host
To Connect Box 1 to Host
Troubleshooting LLC2 Configuration
Configuring PAD Services
Add/Modify PAD Terminal Emulation Local to
Remote
Add/Modify PAD Support Server Remote to Local
Add/Modify Uucp Server
Add/Modify PAD Printers Server
Add/Modify X.3 Parameters
PAD. As the terminal characteristics of your session change,
Configuring the High Availability Feature
Cluster Definition
Commands to be Configured in High Availability Packages
Example 3-4 One Example of Remote Failure
High Availability Configuration
$ x25check
Checking the Configuration
X25check 250207 -i interface0p2
Unique MAC Address Requirement
Configuring the High Availability Feature for X.25 over LLC2
Local Failover
Configuring XOL HA for Local Failover Without ServiceGuard
13 Before the Failover
After the Failover
Example Configuring Standby Device and Unique MAC Address
Remote Failover
Configuring XOL HA for Remote Failover Using Service Guard
15 Before the Failover
XOL Cluster Definition
Commands Used in the SG Package Control Scripts
XOL Package Definition
Example 3-6 XOL SG package for remote failover
Service Guard
Remote Failover with Local Failover Support Using
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
Ping
Verifying the X.25 Link
100
OLA/R Overview and Concepts
102
Terms used in this section Meaning
Important Terms and Concepts
Planning and Preparation
On-Line Replacement
Card Compatibility
On-Line Addition
Critical Resources
Failover Actions / Single Points of Failure
J3526A PCI Card using SAM
How to On-line Replace OLR a J3525A or
Interface card under consideration will be stopped before
Disconnect messages. The connections will have to be
Screen Buttons Outcome Activate User Actions Displays
Three Possible Critical Resource Analysis CRA Outcomes
Chapter 109
110
PCI Card using SAM
How to On-line Add OLA a J3525A or J3526A
112
Chapter 113
114
Diagnostic Utilities
Available Diagnostic Utilities Utility Description Refer to
Using Diagnostic Utilities
Psidad
Scope of X.25 Diagnostic Utilities
Before Using the Diagnostic Utilities
Example 1 Running x25check Interactively No Parameters
X25check and x25server
120
Example 3 Running x25check With a Data Packet
Example 2 Running x25check With an X.121 Address
X25stat
Example 1 Displaying the Current Configuration
X25stat -d X25stat -g -d
Example 2 Displaying Global Statistics
Level 3 State Output on Screen Description/Meaning
Diagnostic Utilities x25stat
Level 2 Link State Output on Screen Description/Meaning
Level 3 State
Level 1 Link State Output on Screen Description/Meaning
Example 3 Displaying Virtual Circuit Data Packet
Counters
VC State Output on Screen Description/Meaning
Example 4 Displaying Global X.25 Level 3 Statistics
Example 5 Displaying X.25 Level 1 and 2 Statistics
VC State
Chapter 129
Example 6 Displaying Virtual Circuit Status
X25stat -a
Example 7 Displaying Current IP to X.25 Address Mapping
Example Statistics for x25mibstat X25mibstat Option Remark
X25mibstat
PAD Services
Ccitt Recommendations
PAD Support Protocols
PAD services and the HP 9000 host
PAD Services as a Pipe
Remote PAD Support x29server
Overview
Call Acceptance Mechanism and System Security
Remote PAD Support
0x01000000
Configuring Remote PAD Support
Configuring padspt Parameters
Supported Remote PAD Terminals
Padspt Parameters
Chapter 141
Launching Applications Automatically
Remote PAD Printer Support x29printd
Remote PAD Printer Support x29printd
Remote Printer Support
System Requirements
Configuring Remote PAD Printers
146
Configuring the Unix Line-printer Spooler for x29printd
Printer Configuration
Examples
X29printd and lpsched Operation
Verifying the Configuration
Uucp Support x29uucpd
Receiving HP
Configuring Uucp PAD Support
File Contents
Configuring the x29hosts file
Paduucp Parameters
Chapter 153
At the dave system
Configuring System and Device Files for Uucp
Chapter 155
At the bill system
Chapter 157
158
Chapter 159
Local PAD Emulation padem
Command Mode
Data Transfer Mode
Configuring Local PAD Emulation
Parameter Descriptions
162
Chapter 163
PAD Command Set
PAD Commands
Extended Command Set
166
Configuration Set Syntax
Configuring X.3 Profile Parameters
Parameter Values
Modifying Parameters
Parameter Descriptions
Default X.3 Parameters
Value Meaning
Parameter Description
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
Nettl
Syntax
Parameters
0x80000000
Tracing Masks Keyword a
0x40000000
0x20000000
184
Chapter 185
Netfmt
186
Filter File Syntax
Creating a Filter File
Filter
Filter File Options System/subsystem Type Value Level
Chapter 189
Filter File Examples
Chapter 191
Strace
7030
Chapter 193
7030 + 1 =
Output Format
Frame Type Parameters Displayed
Packet Type Parameters Displayed
Examples of the strace Command
Record Time Tics Pri Ind Mod Sub Data Num
Examples of strace Output
198
Strerr
200
Troubleshooting
Troubleshooting Commands Purpose Refer to
Troubleshooting Your X.25 Link
Troubleshooting Commands
Troubleshooting Flowcharts and Procedures
Flowchart
Flowchart 2 Procedures and Notes
Chapter 205
See Note
Flowchart 2 Initialization Check
Flowchart 3 Hardware and License Check
Flowchart 3 Procedures and Notes
Flowchart 4 Procedures and Notes
Flowchart 4 X.25 Configuration Check
Flowchart 5 Procedures and Notes
210
Flowchart 5 IP Over X.25 Check
Recovering From a Power Failure
For Systems With a Backup Power Supply
For Systems With No Backup Power Supply
Reporting Problems
214
Host
Back-to-back Configuration on the Same Host
216
Command Summary
Configuration and Troubleshooting Commands
218
IP-to-X.121 Address Mapping Table
Examples of x25init
Syntax for PVCs
Syntax for SVCs
File Mapping Parameters
222
Chapter 223
224
Using Non-English Subscription
Transpac
Subscription Form Translations
Itapac
Table A-1 French Transpac Subscription Form
Throughput Class Setting
Table A-2 Using Your Itapac Italian Subscription Form
Table A-4 Using your Iberpac Spanish Subscription Form
230
Configuration Files
Configuration Files
Table B-1 Etc/x25 directory
Table B-2 Etc directory
Table B-3 Var/x25/log/x25server directory
Table B-4
Table B-5
Example Files
X25initdef File
Table B-6
Appendix B 235
236
Table B-7
X25initsmpl File
238
X3config File
240
Example Files Appendix B 241
Table B-8
X29hosts File
Network Type File x25networks
Table B-9
Diagnostic Messages
Appendix C
Diagnostic Message Example
Cause Code Settings
RESET/CLEAR Packet Codes
Packet Codes
Restart Packet Codes
Table C-1 No Additional Information Diagnostic
Diagnostic Messages
Table C-2 Packet Type Invalid Diagnostic
Explanation
Table C-2 Packet Type Invalid
Table C-3 Packet Not Allowed Diagnostic
LCI
Table C-3 Packet Not Allowed
Incoming
Table C-4 Timer Expired Diagnostic
Table C-4 Timer Expired
Appendix C 255
256
Appendix C 257
Table C-7 International Problem and Maintenance Diagnostic
Table C-6 Category Miscellaneous Diagnostic
Table C-8 DTE-Specific Signals Diagnostic
Table C-7 International Problem and Maintenance
Table C-9 OSI Network Service Problem Diagnostic
Table C-8 DTE-Specific Signals
Nsap
Table C-9 OSI Network Service Problem
Table C-10 Higher Level Initiated Diagnostic
Table C-10 Higher Level Initiated
264
Index
Symbols
266
267
268
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