![]() ![]() Why Router?Ī router is a layer 3 device that routes traffic between networks. In order for devices on the network to connect to the Internet, the router must be connected to a modem. While connecting to a router provides access to a local area network (LAN), it does not guarantee access to the internet connection. It is a "bridge" between your modem and your devices. This means that a router is what brings all your home devices together. A modem can work without a router, delivering internet connection to a single PC.Ī router is a device that is used to connect networks with different subnets. By connecting a modem to your router (instead of directly to a PC), all devices connected to the router can access the modem, and therefore, the internet connection. Also, it modulates the out going signal into analog signals.Ī Modem Establishes and maintain a dedicated connection to your ISP to give you access to the internet connection. As analog data comes from the internet, the modem converts(demodulates) the incoming analog signal into a digital signals so that computer can understand it. Since a computer only reads digital signals while the signals from ISP's are analog signals. Because there are two different types of signals are used between a computer and ISP. The main purpose of Modem is modulation of an analog signal to digital signal and vice-versa. A Modem has only 2 ports one for connecting to ISP and other for connecting a computers or router. Modem works in Layer2 of Open Systems Interconnection (OSI) Model and data is carried in form of frames. This means that a modem is a device that provides access to the internet connection. ![]() Normally, the router in our homes are performing both the functions of a ROUTER and a MODEM that is why most users cannot differentiate.Ī modem (short for modulator/de-modulator) is your gateway to the internet connection. This means that a modem is your gateway to the world wide web, while a router is a central hub for your all devices such as mobile phones, laptops, desktop computers, and smart TVs. The main difference between the two devices is that a modem lets you connect to the internet (ISP), while a router distributes that connection to different devices. Both have fundamentally different purposes, though they are used in digital communication. Log in to the router user interface and change IP address to 192.168.2.1 or 10.0.0.1 under LAN Setup ( ADVANCED > Setup > LAN Setup).Modem and router are two most commonly used external devices in the computer. ![]() You can also try changing LAN IP address of router.If the IP Address displayed under Ethernet Adapter Local Area Connection is either .x or 10.0.x.x, then the modem should be bridged.Ĭall your Internet Service Provider to set the modem to bridge mode.To view your IP address on Mac computers or Windows 8, see What is the IP address of my NETGEAR router? On the command prompt, type ipconfig and hit Enter.Click Start > Run > Type cmd (command for Windows) and press Enter.Connect the computer directly to the modem Ethernet (LAN) port.Note: This list identifies only the common models and does not cover all modems. Here is a list of common service providers and modems that may require setting modem to bridge mode: Note: You will need to call your Internet Service Provider for the bridge mode settings. The modem has to be bridged before connecting to a router since applications like VPN, P2P, and remote management require a public IP Address on the router WAN port for a successful connection. ![]() NAT allows multiple hosts on a private network to access the internet using a single public IP address.īridge mode is the configuration that disables the NAT feature on the modem and allows a router to function as a DHCP server without an IP Address conflict. In computer networking, the process of Network Address Translation (NAT) involves re-writing the source and/or destination address of IP packets as they pass through a router. When two NAT devices are connected in series (for instance a modem with built-in NAT capabilities is connected to a router which is also a NAT device), it is advisable to configure your modem in bridge mode to avoid conflicts. ![]()
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