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Router vs. Modem/Router Combo: Should You Buy a Separate Router?

April 21, 2014
Router vs. Modem/Router Combo: Should You Buy a Separate Router?

Combined Modem-Router Devices vs. Separate Routers

A growing number of Internet service providers (ISPs) are currently supplying customers with integrated units. These devices serve a dual purpose, operating as both a modem and a wireless router.

This consolidation eliminates the need for a separate router purchase, although the option to acquire one independently remains available.

Advantages and Disadvantages

Although standalone routers often boast superior power, customization options, and a wider array of features, these benefits aren't universally desirable.

The decision of whether to utilize a separate router hinges on the specific compromises a user is willing to accept.

Factors to Consider

  • Simplicity: Combined units are generally easier to set up and manage.
  • Cost: Avoiding a separate purchase can result in savings.
  • Performance: Dedicated routers may offer faster speeds and broader coverage.
  • Control: Separate routers typically provide more granular control over network settings.

Ultimately, the optimal choice depends on individual needs and technical expertise. A combined modem-router is often sufficient for basic home networking.

However, users requiring advanced features or experiencing performance issues may benefit from investing in a dedicated router.

The Convenience of Integrated Router/Modem Units from ISPs

The primary reason individuals utilize combined router and modem devices is due to their inherent simplicity. Internet service providers can furnish customers with a single unit capable of establishing an internet connection, broadcasting a Wi-Fi signal, and facilitating connectivity for numerous devices. This eliminates the need for customers to independently purchase and configure a router.

Furthermore, consolidating these functions into a single device presents logical benefits. Separating the functionalities into two distinct units can introduce compatibility issues and necessitate additional power outlets. Potential complications are also reduced, as troubleshooting is streamlined when a single unit is responsible for both modem and router functions.

ISPs also benefit from the control afforded by these integrated units. They can implement features like providing customers with access to public Wi-Fi hotspots directly through the combined modem/router.

The most significant benefit of retaining an ISP-provided combined unit is its ease of use. No additional purchases or setup procedures are required if you already possess one. Moreover, if the device was supplied by your ISP, they are generally responsible for providing technical support.

This means you avoid potential issues arising from communication failures between separately purchased modem and router devices. Troubleshooting is simplified, as the ISP handles the complexities of the integrated system.

Additional Considerations

  • Simplified Setup: A single device reduces the complexity of network configuration.
  • ISP Support: Troubleshooting is typically handled by your internet provider.
  • Reduced Compatibility Issues: Integrated units are designed to work seamlessly together.

Maintaining a combined modem/router offers a straightforward solution for internet access. It’s a practical choice for users prioritizing convenience and ease of maintenance.

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Utilizing a Personal Router with Your Existing Setup

Related: Addressing Internet Connectivity Issues

Many integrated modem/router units offer the option to deactivate the routing capabilities. This action configures the modem to function solely as a connection pass-through to the subsequent device. A dedicated router can then be connected to the modem using an Ethernet cable through the modem’s LAN port.

Upon connection, the router will be assigned a public IP address directly from the modem. This allows for standard routing functionality, facilitating the transmission and reception of network traffic.

Even if complete deactivation of the built-in router isn't possible, connecting your own router to the LAN port remains a viable option. This establishes a distinct Wi-Fi network.

However, the external router will receive a local IP address from the combined unit, creating a network nested within another. This configuration can introduce complexities with port-forwarding, though basic functionality should still be maintained.

While not the most optimal solution, it is certainly achievable. Often, the Wi-Fi functionality of the combined modem/router can be disabled, resulting in a single, unified Wi-Fi network. Numerous configuration options are available for these network settings.

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The Benefits of Using a Personal Router

A primary reason to invest in your own router is the potential for enhanced hardware capabilities and functionalities not offered by the router supplied by your Internet Service Provider (ISP). Consider a scenario where you desire the latest 802.11ac Wi-Fi technology, but your ISP-provided modem/router combination lacks this feature.

In such cases, acquiring a dedicated wireless router equipped with 802.11ac and connecting it to your modem via an Ethernet cable allows you to benefit from faster Wi-Fi speeds. Data transmission between your router and modem will occur over the established wired Ethernet connection.

Expanding Functionality Beyond the Standard

Beyond speed improvements, you might seek additional features absent in your ISP’s equipment. For instance, dynamic DNS can simplify remote access to servers hosted on your home network.

Furthermore, quality of service (QoS) features enable prioritization of network traffic, ensuring smoother performance for critical applications.

Advanced users may also be interested in installing custom router firmware, such as OpenWrt. This allows for extensive customization and control over the router’s operation.

  • OpenWrt is essentially a Linux-based operating system designed for routers.
  • It includes a package manager for installing various servers and tools.
  • This level of customization is unavailable on the typically locked-down routers provided by ISPs.

With OpenWrt, your router can be transformed into a highly configurable device, capable of running a diverse range of applications. This is a significant advantage for those seeking greater control and flexibility.

Is a Dedicated Router Worth the Investment?

Related: Consider Purchasing Your Cable Modem to Achieve Annual Savings of $120.

The choice of whether to acquire a separate router is a personal one, contingent upon individual needs and preferences. If your current combined router/modem device adequately fulfills your requirements and you don't desire expanded functionality, retaining the equipment provided by your Internet Service Provider (ISP) is a reasonable course of action.

However, should you seek access to cutting-edge wireless technology or supplementary features, investing in a dedicated router and connecting it to your modem offers a pathway to enhanced performance and greater control.

For those currently leasing a combined router/modem unit from a cable internet service provider, an alternative exists: purchasing your own router can eliminate the recurring router rental charge from your monthly bill. This benefit is exclusive to cable internet services and does not extend to ADSL, fiber optic, or satellite connections.

Image Credit: DeclanTM on Flickr, Kevin Jarrett on Flickr

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