Gateway DPC3925, EPC3925 Renewing the IP Address on Windows NT, 2000, or XP Systems

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Frequently Asked Questions

Renewing the IP Address on Windows 95, 98, 98SE, and ME Systems

1Click Start, and then click Run to open the Run window.

2Type winipcfg in the Open field, and click OK to execute the winipcfg command. The IP Configuration window opens.

3Click the down arrow to the right of the top field, and select the Ethernet adapter that is installed on your PC. The IP Configuration window displays the Ethernet adapter information.

4Click Release, and then click Renew. The IP Configuration window displays a new IP address.

5Click OK to close the IP Configuration window, you have completed this procedure.

Note: If you cannot access the Internet, contact your service provider for further assistance.

Renewing the IP Address on Windows NT, 2000, or XP Systems

1Click Start, and then click Run. The Run window opens.

2Type cmd in the Open field and click OK. A window with a command prompt opens.

3Type ipconfig/release at the C:/ prompt and press Enter. The system releases the IP address.

4Type ipconfig/renew at the C:/ prompt and press Enter. The system displays a new IP address.

5Click the X in the upper-right corner of the window to close the Command Prompt window. You have completed this procedure.

Note: If you cannot access the Internet, contact your service provider for further assistance.

Q.What if I don't subscribe to cable TV?

A.If cable TV is available in your area, data service may be made available with or without subscribing to cable TV service. Contact your local service provider for complete information on cable services, including high-speed Internet access.

Q.How do I arrange for installation?

A.Call your service provider to inquire about professional installation. A professional installation ensures proper cable connection to the modem and to your PC, and it ensures the proper configuration of all hardware and software settings. Contact your service provider for more information about installation.

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Contents Important Safety Instructions This DocumentImportant Safety Instructions Mitteilung für CATV-Techniker Aviso a los instaladores de sistemas CatvPower Source Warning Ground the ProductVerify the Power Source from the On/Off Power Light Protect the Product from LightningCheck Product Safety Protect the Product When Moving ItTelephone Equipment Notice Declaration of Conformity Canada EMI RegulationDynamic Frequency Selection DFS Dual Band Frequencies Radiation Exposure Statements CanadaAustralia CE Compliance National Restrictions France Italy LatviaAntennas Benefits and Features IntroductionIntroduction Whats In the Carton? Front Panel Description Back Panel Description Back Panel Description What Are the System Requirements for Internet Service? Minimum System Requirements for a PCMinimum System Requirements for Macintosh System Requirements for an Ethernet ConnectionDo Not Have a High-Speed Internet Access Account Already Have an Existing High-Speed Internet Access Account Want to Use the Application Server for Telephone ServiceRev a How Do I Mount the Modem on a Wall? Optional Before You BeginLocation and Dimensions of the Wall-Mounting Slots Mounting the Residential Gateway on a Wall What Are the Requirements for Telephone Service? Telephone Wiring RequirementsNumber of Telephone Devices Telephone Device TypesConnecting and Installing Internet Devices To connect devicesRev a Rev a How Do I Configure My Docsis Residential Gateway? Logging in to the Gateway for the First TimeHow Do I Configure My Docsis Residential Gateway? Setup Quick Setup Configuring Quick Settings Wlan Setup Lan Setup Configuring Your Network SettingsLAN Dhcp  Connected Devices Summary Pre-assigned Dhcp IP Addresses Starting IP AddressSetup Ddns Disabling Ddns Factory Default Settings DdnsConfigure Wireless Settings Wireless Basic SettingsWi-Fi Protected Setup WPS Section Field Description Basic Settings Wi-Fi Protected Setup ConfigurationWPS Push Button Setup Option WPS Setup Using the Gateway PIN Option Section Field Description Basic Settings Wireless Network Wireless ConfigurationNetwork Mode Only, B/G Mixed, B/G/N Mixed factory defaultWireless Wireless Security Section Field Description Wireless Network Name SsidBssid Broadcast SsidWireless Security Page Description Section Field Description Wireless Wireless Security ModeWEP Field DescriptionsWPA Security for Personal Networks WPA or WPA2 Personal ModesConfigure Wireless Settings Wireless MAC Filter Wireless MAC Filter Page DescriptionWireless Advanced Settings Section Field Description Access Access RestrictionMAC Address Filter List Wireless Advanced Settings Page Description CTS Protection Mode Beacon IntervalSection Field Description Dtim Interval Fragmentation ThresholdRTS Threshold Wireless WDS Settings Wireless WDS Settings Page DescriptionWDS Wireless QoS Wireless QoS Page DescriptionDisable Enable Section Field Description No ACKConfigure Security Security FirewallSection Field Description Firewall SPI Firewall Protection Block IP Flood Detection checked factory default Section Field Description Filters Filter ProxyBlock Pop-Up Windows Block Web Page CookiesDisable Pptp Passthrough Security VPN PassthroughVPN IPSec PassthroughSecurity VPN Security VPN Tunnel Page Description Section Field Description Remote FqdnKey Management Key Exchange Method Section Field Description Key Auto IKEManual Advanced Settings Phase 1 Operation ModeSection Field Description Status Connected or DisconnectedView Log Control Access to the Gateway Access Restrictions IP Address FilteringAccess Restrictions MAC Address Filtering Function Keys Access Restrictions Basic Rules Parental Control check box and click Apply Add RuleRemove Rule Keyword ListBlock Access to Websites Section Field Description Override the PasswordRe-Enter Password Access DurationAccess Restrictions Time of Day Rules Access Restrictions Time of Day Rules Page DescriptionAccess Restrictions User Setup Access Restrictions User Setup Page Description Access Restrictions Local Log Section Field Description Inactivity TimeConfigure Applications and Gaming OverviewApplications & Gaming Port Filtering Applications and Gaming Port Filtering Page DescriptionApplications & Gaming Port Range Forwarding TCPUDP Applications and Gaming Port Range Forward Page Description Section Field Description Port Range Forwarding StartEnd IP AddressApplications & Gaming Port Range Triggering Forwarded Range Start PortApplications & Gaming DMZ Section Field Description End PortApplications and Gaming DMZ Page Description DMZDMZ Hosting Select the desired optionAdministration Management Administration Management Page DescriptionManage the Gateway WAN MTU Field Description Remote Access Remote Management Management PortUPnP IgmpAdministration Reporting Section Field Description Reporting Mail AlertsSmtp Mail Server Mail Address for Alert LogsView Log Administration Diagnostics Administration Backup & Restore Administration Factory Defaults Restore Factory DefaultsMonitor Gateway Status Status GatewayMAC Address CM MAC Address Current TimeStatus Local Network Section Field Description Internet Connection IP AddressDNS1-3 WinsEnd IP Address Status Wireless Status Wireless Page Description Network Name SsidWide Channel SecurityStatus Docsis WAN Docsis WAN Page DescriptionMonitor Gateway Status Frequently Asked Questions How Do I Configure TCP/IP Protocol?How Do I Renew the IP Address on My PC? How do I arrange for installation? Renewing the IP Address on Windows NT, 2000, or XP SystemsWhat if I dont subscribe to cable TV? Common Troubleshooting Issues Dont understand the front panel status indicatorsHow does the residential gateway connect to my computer? Can I watch TV and surf the Internet at the same time?Tips for Improved Performance Check and CorrectFront Panel LED Status Indicator Functions Step100 Rev a Normal Operations AC Power applied Front Panel LED Status Indicators During Normal ConditionsFront Panel LED Status Indicators During Special Conditions Special ConditionsTrademarks DisclaimerDocumentation Copyright Notice Software and Firmware UseCustomer Service For InformationIf You Have Questions Region Assistance Centers Telephone and Fax Numbers

DPC3925, EPC3925 specifications

The Gateway EPC3925 and DPC3925 are powerful wireless gateway devices that provide high-speed internet access and advanced networking features. Designed primarily for residential and small business environments, these devices offer a combination of ease of use, reliability, and performance that makes them a popular choice among users.

One of the main features of the Gateway EPC3925 and DPC3925 is their support for DOCSIS 3.0 technology. This enables the devices to deliver high-speed internet connectivity by allowing multiple channels to be bonded together, significantly increasing download and upload speeds compared to previous DOCSIS standards. DOCSIS 3.0 can support speeds of up to 1 Gbps, making it suitable for bandwidth-intensive applications like streaming HD videos, online gaming, and large file downloads.

Both models are equipped with a built-in Wireless-N (802.11n) router, which allows users to create a wireless network in their home or office easily. This standard provides a stable connection with improved range and speed compared to older wireless standards. Additionally, users can connect multiple devices, such as smartphones, tablets, laptops, and smart TVs, without experiencing significant drops in performance.

Security is a critical aspect of the Gateway EPC3925 and DPC3925. These devices come equipped with several security features to protect the network from unauthorized access. The devices support WPA/WPA2 encryption protocols, ensuring that wireless transmissions are secure. Moreover, they offer features such as a firewall and DMZ settings, which provide additional layers of protection for users’ data.

Another noteworthy characteristic of the EPC3925 and DPC3925 is their user-friendly interface. The web-based management console allows users to easily configure settings, manage connected devices, and monitor network performance. This intuitive interface makes it accessible for users with varying levels of technical expertise.

The Gateway EPC3925 and DPC3925 are also compatible with multiple ISPs, making them versatile options for customers looking for reliable internet connectivity solutions. Their compact design allows for easy placement in various locations, ensuring that users can integrate them seamlessly into their existing setups.

In summary, the Gateway EPC3925 and DPC3925 provide a robust solution for those looking for high-speed internet access combined with advanced networking features. With their DOCSIS 3.0 support, Wireless-N capabilities, and comprehensive security measures, these gateways are designed to meet the demands of modern internet usage, making them ideal for both home and small office environments.
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