SyncServer Help, Ntpd Help, Collapse Button | Symmetricom S100

SyncServer S100

Help

This is the last section of the S100 admin menu. Available Help functions are:

Figure 4-39: Help Options

SyncServer Help

This is the application Help. Use the Table of Contents, Index, or Search to find information.

NTPD Help

For detailed information about NTP (Network Time Protocol), use the NTPD Help link (see “NTPD Help” on page 84) embedded in the S100’s web interface to review the NTP Distribution document (source: University of Delaware).

Additional information is available at http://www.ntp.org/.

Search NTPD Manual

This option gives you the ability to do basic searches within the NTPD Help.

Collapse Button

Click the Collapse button at the bottom right of the admin menu to reduce the menu down to its main elements.

84	S100 User Guide – Rev. D – June 2005

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Symmetricom S100 manual SyncServer Help, Ntpd Help, Search Ntpd Manual, Collapse Button

Contents

S100 User Guide S100 User Guide Rev. D June Table of Contents Chapter Web-Based Interface TCP/IP Chapter Operations & Time-Protocols Appendix a S100 Specifications 119 Appendix C Appendix E Antenna Replacement 141 Index 143 Chapter How to Go here for the answerIntroduction and Overview Conventions Used Term Definition Global Positioning System GPS Product DetailsTime Standards Stratum Level Significance Stratum LevelsTime Synchronization and Business Country Name of NMI Abbreviation How the S100 Solves the ProblemNational Measurement Institutes Special Safety Instructions S100 Technology OverviewS100 Product Overview Sources of Time Web-based Access Time Distribution Model How the S100 Works S100 and Client Software S100 and NTP v4’s Security FeaturesS100 and Time Distribution S100 and the Global Positioning System SyncServer S100 Installation and Configuration Getting Up and RunningUnpacking Your S100 For the S100-Dial-up/ACTS For the S100-GPS For the S100-Dial-up/ACTS For the S100-GPS Your CD-ROM N c S e rv e r Using the Software PuTTY Folder Details PSFTP.EXE PUTTYGEN.EXE Installing Your S100 Primary Power ConnectionImportant Safety Instructions Rack Mounting Making All Connections An Overview Setting Up the Hardware On the S100 Front Panel On the S100 Rear Panel Appendix E on Outdoors Installing the GPS AntennaChoosing an Antenna Location Establishing a Serial Connection Installing the GPS antennaConnecting the Rubidium Option 4Connecting the S100 Setting Up the IP Address 5COM Port Properties 6Login and Command Line Testing Network Functionality 9IPCONFIG and Ping Screen Turning Off Your S100 Normal How to Acquire Time Logging On Administrator Log-In System Status Logged Configuration Wizard Next Step Dial-up to NISTs Automated Computer Time Service Acts Choose Your Time Source 17Configuring the S100 Time Source GPS Then click Next for the System Information dialog System Tests Dialog Test Results dialog Setup Complete dialog Dialup Settings dialog System Information dialog System Tests dialog Test Results dialog NTP 30System Information fields Click Test Now Configuring NTP IRIG-B v.120,122,123 Dialup Backup dialog 36System Testing options 37Test Results shown Using SymmTime Installing SymmTime SyncServer S100 Next Use the Web-Based Interface To Synchronize SymmTime SyncServer S100 Web-Based Interface Interface Screen Reference Administrative Interface Logging Admin Interface Base Menu 2Administrative Interface Base Menu Administrative Menu Expanded 3Interface Admin Menu, expanded Timing Configuration System Status 5Configuring New Clients and Servers NTP Relationships S100 User Guide Rev. D June NTP Time Source Test NTP Dialup NTP Restart NTP Status SyncServer S100 10Viewing the NTP Configuration File Advanced ntp.conf Advanced Keys/Certificates 11Obtaining and Generating Keys Certificates Main Settings Timing Engine Timecode Settings IRIG-A IRIG-B Bit Position Meaning if bit value = GPS InformationGPS Health GPS Signal Strength 15GPS Signal Strength GPS Time GPS Position Engine Time Clock SettingsOther Information Control Settings 20Control Settings Networking Model Information S100 User Guide Rev. D June Ifconfig Output Ping Traceroute Options Administration Shutdown/Reboot Admin Users Restart Web Interface System Log Configuration Time Zone Snmp Configuration Snmp Edit Alarms 33Setting Alarm Parameters Logs NTP Log Boot Log System Log Config Log Http Log Help SyncServer HelpNtpd Help Search Ntpd Manual Logging Off 40Log Off screen SyncServer S100 Sysplex Timer How the S100 Uses the Sysplex TimerOperations & Time-Protocols S100 Operations and Time Protocols 41Time Information String Parameters Time Protocol RFC Daytime Protocol RFC NTP Data Format Simple Network Time Protocol RFCNetwork Time Protocol RFC Leap Indicator LI ModeStratum Poll Precision Version Number VN Mode StratumPoll Interval Synchronizing Distance Root Distance Version NTP Authentication Authentication NTP Typical NTP Configuration Considerations Authentication NTP v4 AutokeyHow NTP Defines the Authentication Process Public Domain NTP Package Other NTP Considerations Clients Basic NTP Configuration S100 User Guide Rev. D June SyncServer S100 S100 User Guide Rev. D June 43Large Net NTP Configuration 44Large Net NTP Configuration 45Small Net NTP Configuration Security Acts Interface Dial-upPeers Snmp Simple Network Management Protocol Acts Operation Version 106 S100 User Guide Rev. D June An authenticated and encrypted request example Parameter Command Line Flag Snmp.conf token 108 S100 User Guide Rev. D June Frequently Asked Questions QuestionsHow can we obtain NTP client software to use with the S100? What are the main differences between Sntp and NTP clients? How does the S100 handle Leap Second? How do I check versions of the software in the S100? How do I know if the satellite signal strength is good? Cable length and Type Antenna Does the S100 support NTP v4? Can the S100 utilize a certificate from an external CA?How is the interface to the S100 secured? What security functions are provided with the S100? How-to’s and Tips How to install NTP v4 on a Unix system How to install your S100How to get time using dial-up How to get time using GPS How to install your GPS antenna How to acquire and install SymmTimeUse the quick How to guide How to change the root password Solutions How to get information about NTPS100 does not respond to ping command S100 does not respond to NTP queries Possible cause of tracking problems How to fix My S100 won’t track satellites 118 S100 User Guide Rev. D June S100 Specifications S100 Data Sheet SpecificationsAppendix a Component Specifics Description Pin Descriptions Time Glossary Appendix B Cdsa BCDCdma Content Filtering Certificate Authority CACertificate Extension Certificate Request Dhcp DclsDES DSA SS/NTPDSS DTT GMT GPSHtml Http ITU IKEIrig LAN LdapMD5 MIB Nist NOCNtms NTP OSI PCIPkcs PKI Mime RSASHA-1 Snmp SSLSSL-LDAP TCP/IP Tftp TLSTMC TPC TSA TSPTSR UDP/IP UTC VPNW3C WAN 509 v3 Certificate Extension Customer Assistance Appendix DUS Assistance Center Emea Assistance Center Emeasupport@symmetricom.com Declaration of Conformity Appendix CSymmetricom, Inc Westwind Blvd Santa Rosa, Ca USA Conforms to the Following European Union Directives FCC Antenna Replacement Appendix E 142 S100 User Guide Rev. D June Index Numerics 144 S100 User Guide Rev. D June S100 User Guide Rev. D June 145 Denial of Service DES S100 User Guide Rev. D June 147 Https Irig a 150 S100 User Guide Rev. D June S100 User Guide Rev. D June 151 152 S100 User Guide Rev. D June S100 User Guide Rev. D June 153 154 S100 User Guide Rev. D June S100 User Guide Rev. D June 155 Vault Verification Version Virus VPN W3C Wait time WAN 509 v3 Certificate Extension Coordinate Year 158 S100 User Guide Rev. D June