Patton electronic 2635, 2621 Configuring the Sntp Client, Sntp Client Mode Configuration Parameters

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Models 2603, 2621, and 2635 Getting Started Guide

11 • SNTP Client Configuration

 

 

Introduction

The Simple Network Time Protocol (SNTP) Client webpage contains the configurable parameters for either setting up the SNTP client or, in the abscence of an SNTP server, setting the internal clock.

If you plan the use of an SNTP server, you will configure the ‘SNTP Client Mode Configuration Parameters’ and ‘SNTP Client General Configuration Parameters.’ If you are not accessing an SNTP server, you can con- figure the system clock for a calendar clock setting.

Configuring the SNTP Client

The “SNTP Client Mode Configuration Parameters” section is for selecting the synchronization mode and entering the IP address of the SNTP Server. With the “SNTP Client General Configuration Parameters” sec- tion, you will select the time zone and set the transmit packet timeout period, retries, and polling period.

SNTP Client Mode Configuration Parameters

In this section you configure the synchronization mode and enter the IP address of the SNTP server. The IPLink supports three synchronization modes: unicast mode, anycast mode, and broadcast mode. Unicast is a point-to-point mode. Anycast is a multipoint-to-point mode. Broadcast mode is for use when the SNTP server is on the local network, that is, the same subnet as the IPLink.

When Unicast mode is enabled, the IPLink sends a request to the server designated in the field containing the SNTP server’s IP address. (See figure 81.) This is a point to point communication link. The IPLink requests from one server. The server sends the timing information directly to the IPLink. When disabled, the IPLink does not send any requests to any SNTP Server.

In Broadcast mode, the synchronization is with an SNTP server on the local network. Since routers do not for- ward broadcast IP addresses, the SNTP server and IPLink must be on the same subnet.

With Anycast mode, the IPLink’s SNTP client sends a request to a designated broadcast address. One or more SNTP servers may reply with a unicast message to the IPLink. The IPLink communicates with the server first responding. After this point, the IPLink operates in unicast mode. When Anycast is enabled, Unicast is auto- matically enabled and the IP address of 255.255.255.255 is in the SNTP server’s IP address field. Anycast takes precedence over Broadcast mode.

The field Configured IP Address of SNTP Server: is the IP address of the dedicated unicast server that the SNTP client will use for synchronization.

Figure 81. SNTP synchronization and server IP address configuration

Introduction

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Contents IPLink Series High Speed Routers Mailsupport@patton.com Summary Table of Contents Contents Models 2603, 2621, and 2635 Getting Started Guide Remote Site Configuration Central site configuration EMC Ethernet Cable 123 Adapter Models 2603, 2621, and 2635 Getting Started Guide List of Figures Models 2603, 2621, and 2635 Getting Started Guide List of Tables About this guide AudienceStructure Precautions Safety when working with electricityImpaired functioning General observations Factory default parametersGeneral conventions Typographical conventions used in this documentGeneral Information Chapter contentsGeneral attributes IPLink Series High Speed Routers overviewProtocol support EthernetPPP Support WAN InterfacesLogging or Smtp on events POST, Post errors, PPP/DHCP, IP SecurityFront Panel Status LEDs and Console Port Rear panel connectors and switches Console portOn the rear panel from left to right are the following Ethernet port outlined in green Power connectorGeneral Information Product Overview Introduction Sync Serial Application Applications OverviewInitial Configuration Hardware installation Interface cable installationWhat you will need RJ-48C pinout diagram Initial Configuration Ethernet connector Interface connector RJ-45 DB-15 Case being opened with a screwdriver Ethernet connector Interface connector RJ-45 DB-25 DCE Installing the AC power cordInitial Configuration Do the following Installing the Ethernet cableIP address has now been successfully changed IP address modificationWeb Operation and Configuration PC ConfigurationModel 2603 home Model 2635 home Ethernet LAN Port Ethernet Port LAN ConnectionsBasic Ethernet port attributes Configurable Ethernet parameters Serial Port Configuration WAN Serial Port Configuration Serial InterfaceVariables T1/E1 Interface Configuration Web Interface ConfigurationWeb Configuration , enter username See figure Configuring the IPLink Series 2603 for T1 OperationConfiguring the IPLink Series 2603 for E1 Operation Line Options Fractional T1Serial Port Configuration PPP Bridged WAN ServicesWAN Services WAN Service Configuration PPP ConfigurationPPP Bridged Leave User name and Password blank. Click on Create Remote site configuration PPP RoutedPPP Routed Configuration menu Click on CreateEdit IP address of WAN port Click the Update buttonPPP link status Username blank Password blank Click on the Create button LMI Management Frame Relay linksLMI Configuration Web Configuration Methods Dlci Number Use Frame Relay ConfigurationFrame Relay bridged creation Frame Relay bridgedCentral site configuration Relay Frame Relay RoutedDescription FR routed Frame Relay Channel Routed configuration IP route for Frame Relay routed application Cost Interface frame-0WAN Services Security Configuring the router Click on Create a new serviceClick on the Create a new Ip route... hyperlink Valid gateway route Configuring the security interfacesSecurity configuration home Click on the hyperlink New Policy... See figure Configuring Security PoliciesEnabling the Firewall Firewall PortfiltersDeleting a security Policy You can now ping between the two networks Security TriggersConfiguring TCP port filter for FTP Adding trigger for FTP data transfer Attack Name Protocol Attacking Host Blacklisted? Intrusion Detection System IDSSecurity Introduction to NAT Enabling NATGlobal address pool and reserved map Click on Add Global Address Pool button Dhcp and DNS Configuration Services and features normally associated with each other NAT Dhcp ServerDhcp Server web Dhcp server configuration web Parameters for the Dhcp Server subnetNext section see figure 58. has three parameters IP Addresses to be available on this subnetDNS server option information Example based on default range of IP address poolAdditional option information Default gateway option informationDhcp Relay Configuration of the Dhcp RelayDhcp Relay webpage Configuring the DNS Relay DNS RelayDNS Relay configuration webpage IP Services Next command disables the WEB server IP ServicesWEB Server CLI ConfigurationAssociated Ports for the different System IP Services System Configuration Authentication web page showing default superuser AuthenticationAccess the configuration and status of the alarms AlarmAlarm & Alarm Error Log configuration Remote AccessUpdate Backup/RestoreSave Restart Website SettingsSnmp Daemon Error LogSnmp Daemon configuration System ToolsSntp Client Configuration Configuring the Sntp Client Sntp Client Mode Configuration ParametersSntp Client General Configuration Parameters System Clock SettingConfiguration of the internal system calendar clock System Status Port Connection Status System StatusMAC address the MAC address of the Ethernet port LAN StatusWAN Status Hardware StatusStatus LEDs Contacting Patton for assistance Warranty coverage Contact informationPatton support headquarters in the USA Returns for credit Out-of-warranty serviceReturn for credit policy RMA numbersEMC Appendix a Compliance informationRadio and TV Interference FCC Part ComplianceCE Declaration of Conformity FCC Part 68 Acta Statement Model 2603 onlyIndustry Canada Notice 2603 Model only Appendix B Specifications Ethernet General CharacteristicsSync Serial Interface T1/E1 InterfaceProtocol Support PPP SupportManagement Power and Power Supply Specifications DimensionsAC universal power supply VDC power supplyAppendix C Cable Recommendations Adapter Ethernet CableAppendix D IPLink Physical Connectors Assuming the MDI-X switch is in the out position RJ-45 shielded 10/100 Ethernet portRJ-45 non-shielded RS-232 console port EIA-561 Serial port 35 M/34 and DB-25 ConnectorPin No Circuit Signal Name Direction 21 DB-15 ConnectorPin No Signal E1/T1 RJ-48C ConnectorAppendix E Command Line Interface CLI Operation CLI Terminology Using the ConsoleProduces a list of numbered transport objects Local VT-100 emulationThen Another example shows when the user must provide a parameterSetting user passwords Administering user accountsEnter the new password twice as prompted Adding new usersControlling login access Changing user settingsControlling user access For example, to change the security level for fred, enter
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