Frequently Asked Questions

5Select both Obtain an IP address automatically and Obtain DNS server address automatically in the Internet Protocol (TCP/IP) Properties window, and then click OK.

6Click Yes to restart your computer when the Local Network window opens. The computer restarts. The TCP/IP protocol is now configured on your PC, and your Ethernet devices are ready for use.

7Try to access the Internet. If you cannot access the Internet, contact your service provider for further assistance.

Configuring TCP/IP on Macintosh Systems

1Click the Apple icon in the upper-left corner of the Finder. Scroll down to Control Panels, and then click TCP/IP.

2Click Edit on the Finder at the top of the page. Scroll down to the bottom of the menu, and then click User Mode.

3Click Advanced in the User Mode window, and then click OK.

4Click the Up/Down selector arrows located to the right of the Connect Via section of the TCP/IP window, and then click Using DHCP Server.

5Click Options in the TCP/IP window, and then click Active in the TCP/IP Options window.

Note: Make sure that the Load only when needed option is unchecked.

6Verify that the Use 802.3 option located in the upper-right corner of the TCP/IP window is unchecked. If there is a check mark in the option, uncheck the option, and then click Info in the lower-left corner.

7Is there a Hardware Address listed in this window?

If yes, click OK. To close the TCP/IP Control Panel window, click File, and then scroll down to click Close. You have completed this procedure.

If no, you must power off your Macintosh.

8With the power off, simultaneously press and hold down the Command (Apple), Option, P, and R keys on your keyboard. Keeping those keys pressed down, power on your Macintosh but do not release these keys until you hear the Apple chime at least three times, then release the keys and let the computer restart.

9When your computer fully reboots, repeat steps 1 through 7 to verify that all TCP/IP settings are correct. If your computer still does not have a Hardware Address, contact your authorized Apple dealer or Apple technical support center for further assistance.

 

Q. How Do I Renew the IP Address on My PC?

 

A. If your PC cannot access the Internet after the residential gateway is online, it is

 

possible that your PC did not renew its IP address. Follow the appropriate

 

instructions in this section for your operating system to renew the IP address on

 

your PC.

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Cisco Systems DPC3825, EPC3825, 4034441, 4034138 important safety instructions How Do I Renew the IP Address on My PC?

4034138, EPC3825, 4034441, DPC3825 specifications

Cisco Systems has long been a pioneer in networking technologies, and the DPC3825, EPC3825 models are prime examples of its commitment to providing reliable and advanced solutions for consumers and businesses alike. These models are equipped with features that cater to a variety of networking needs, making them ideal for both residential and small business environments.

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Security is a priority in today’s online landscape, and Cisco has incorporated advanced security measures into these models. They come equipped with robust firewalls, encryption protocols, and support for various authentication methods, ensuring that users’ data remains safe from unauthorized access. Moreover, the user-friendly web interface allows for easy network management and configuration, enabling users to customize their settings according to their specific needs.

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In summary, Cisco's DPC3825 and EPC3825 cable modems exemplify high performance, security, and energy efficiency. With their advanced features and technologies, they cater to the evolving needs of users, making them a preferred choice for reliable internet connectivity in homes and small businesses.