Cisco Systems DPC/EPC2325 DOCSIS specification

How Do I Configure My DOCSIS Residential Gateway?

Configuring Network Time Synchronization

Use the Basic Settings Enable/Disable time synchronization by Network Time protocol page to enable or disable time synchronization by Network Time protocol.

Note: If you are not familiar with the time configuration procedures detailed in this section, contact your service provider before you attempt to change any of the residential gateway default time synchronization configuration settings.

Click Set Time in the Basic Settings section of the Setup page to access the Basic Settings Enable/Disable time synchronization by Network Time protocol page.

Setup Basic Settings - Enable/Disable Time Synchronization by Network Time Protocol

The following illustration is the initial view of the Basic Settings Enable/Disable time synchronization by Network Time protocol page.

32	4024320 Rev A

Image 32

Cisco Systems DPC/EPC2325 DOCSIS important safety instructions Configuring Network Time Synchronization

Contents

Important Safety Instructions This Document Important Safety Instructions Mitteilung für CATV-Techniker Aviso a los instaladores de sistemas Catv Power Source Warning Protect from Exposure to Moisture and Foreign Objects Verify the Power Source from the On/Off Power LightGround the Product Protect the Product from Lightning Service Warnings Check Product Safety Protect the Product When Moving It FCC Compliance United States FCC ComplianceDeclaration of Conformity Canada EMI Regulation Australia Radiation Exposure StatementsCanada Introduction Benefits and FeaturesIntroduction Allows automatic software upgrades by your service provider Whats In the Carton? Front Panel Description External Power Supply Model Back Panel Description Rev a How Do I Mount the Modem on a Wall? Optional Before You Begin How Do I Mount the Modem on a Wall? Optional Location and Dimensions of the Wall-Mounting Slots Mounting the Residential Gateway on a Wall What Are the System Requirements for Internet Service? Minimum System Requirements for a PCMinimum System Requirements for Macintosh System Requirements for an Ethernet Connection Already Have an Existing High-Speed Internet Access Account How Do I Subscribe to High-Speed Internet Service?Do Not Have a High-Speed Internet Access Account To connect devices Connecting and Installing Internet DevicesHow Do I Connect My Devices to Use the Internet? Connecting the Modem for High-Speed Data Service How Do I Configure My Docsis Residential Gateway? About Your Modem Page Example Accessing the Residential Gateway About Your Modem Page Description Software File Name and Revisions Section Setting Configuration Options First Time Users Setup Setup Page Section Headings Basic Settings Advanced Settings Firewall Wireless Parental Control To set up your password Configuring Your Password SettingsSetup Basic Settings Password Settings How Do I Configure My Docsis Residential Gateway? Configuring Network Time Synchronization Function Keys Key Description How Do I Configure My Docsis Residential Gateway? Setup Basic Settings Network Configuration Page Description Configuring the Network SettingsSetup Basic Settings Network Configuration MAC DNS Configuring and Managing IP Addresses Setup Basic Settings IP Management Page Example Setup Basic Settings IP Management Page Description Function Keys Setup Basic Settings Fixed CPE IP Assignment Reserving IP Addresses Field Name Description Setup Basic Settings Restart Cable Modem Restarting the Gateway Modem Saving Your Configuration Setup Basic Settings Save RG Configuration to Local PC Setup Advanced Settings Options Page Description Enabling and Disabling Advanced FeaturesSetup Advanced Settings Options Field Name Description Setup Advanced Settings IP Filtering Page Description Configuring IP Address FiltersSetup Advanced Settings IP Filtering Setup Advanced Settings MAC Filtering Page Description Configuring MAC Address FiltersSetup Advanced Settings MAC Filtering Setting Up MAC Address Filters Setup Advanced Settings Port Filtering Page Description Configuring and Enabling TCP and UDP Port FiltersSetup Advanced Settings Port Filtering Setup Advanced Settings Port Forwarding Page Description Configuring Port Forwarding for Local IP AddressesSetup Advanced Settings Port Forwarding How Do I Configure My Docsis Residential Gateway? Configuring TCP/UDP Port Triggers Setup Advanced Settings Port Triggers Setup Advanced Settings Port Triggers Page Description Setup Advanced Settings DMZ Host Page Description Configuring the DMZ HostSetup Advanced Settings DMZ Host Configuring VPN Termination Setup Advanced Settings VPN Termination Status New Tunnel, the VPN Setup page opens Creating and Configuring IPsec VPN Tunnels Setup Advanced Settings VPN Setup Page Description Tunnel Section Local Endpoint Settings Remote Endpoint Settings IPsec Settings Fqdn Field MD5 SHA Setup Firewall Options Page Description Configuring Firewall ProtectionSetup Firewall Options Field Name Description Setup Firewall Event Logging Page Description Configuring Firewall Event Logging and E-mail AlertsSetup Firewall Event Logging Key Configuring Parental Control Setup Parental Control User Setup Setup Parental Control User Setup Page Description How Do I Configure My Docsis Residential Gateway? Function Keys Configuring Parental Control Basic Rules Setup Parental Control Basic Setup Setup Parental Control Basic Setup Page Description To use Keyword and Domain Blocking ORG, or .GOV extension Configuring Parental Control Time of Day Access Filters Setup Parental Control Time of Day Access Filter Function Keys Setup Parental Control Event Log Page Description Configure Parental Control Event ReportingSetup Parental Control Event Log Setup Wireless Basic Page Description Configuring Your Wireless Access Point ParametersSetup Wireless Basic Field Name Description Using Wi-Fi Protected Setup WPS Setup Wireless Security Setup Wireless Security Page Description TKIP-AES Subscribe to High-Speed Internet Service? on page 19 for Field Name Description Field Name Description Wi-Fi Protected Setup WPS Section WPS Setup AP Section WPS Add Client Section Keys Description Configuring Wireless Data Rates and Wi-Fi Thresholds Setup Wireless Advanced Page Example Setup Wireless Advanced Page Description How Do I Configure My Docsis Residential Gateway? Field Name Description Setup Wireless Access Control Page Description Configuring Wireless Access Point Access ControlSetup Wireless Access Control Function Keys Setup Wireless Bridging Page Description Configuring Remote BridgesSetup Wireless Access Control Page Example My residential gateway does not recognize the cable network How Do I Troubleshoot My Internet Service Installation?Cannot connect to the Internet Frequently Asked Questions How many Ethernet network devices can I connect? What are the requirements for wireless networking? How do I renew the IP address on my PC? Renewing the IP Address on Windows NT, 2000, or XP Systems Configuring TCP/IP on Windows XP Systems Configuring TCP/IP on Windows 2000 Systems Configuring TCP/IP on Windows 95, 98, 98SE, or ME Systems Configuring TCP/IP on Macintosh Systems What if I dont subscribe to cable TV? Can I watch TV and surf the Internet at the same time? Common Troubleshooting Issues Having Difficulty? Tips for Improved Performance Check and Correct Front Panel LED Status Indicator Functions High Speed Data Registration Normal Operations AC Power applied Front Panel LED Status Indicators During Normal Conditions Front Panel LED Status Indicators During Special Conditions Special Conditions For Information If You Have Questions Trademarks DisclaimerDocumentation Copyright Notice Software and Firmware Use OpenSSL BroadcomWin32 Ipsec Layer from SSH OpenSSL License SSLeay License Rev a 113 Mini-HTTPD ECos GNU General Public License Version 2, June 116 Rev a Rev a 117 118 Rev a Kerberos NetSNMP Part 1 CMU/UCD Copyright Notice BSD like Rev a 121 Part 4 Sun Microsystems, Inc. Copyright Notice BSD Apache Software License Kame IPv6 Stack Apache License, Version Global IP Solutions iLBCApache 126 Rev a Rev a 127 128 Rev a MIT License BSD License GPLv2