If you're not running anything at high speed, you probably won't notice the difference. That is to say that the modem, with its firewall running is translating the incoming packets from its external IP address to the correct internal IP address. You can run that configuration if you want to, its just not terribly efficient as you now have a double Network Address Translation (double NAT) configuration running. After that, the router is doing the same for its network. Now, if you're running the modem in Gateway mode, which is its default operating mode, that means that the modem is providing its normal firewall, network management, wifi services, etc. So, it doesn't provide any firewall, network management, wifi services, etc. Typically, when a user installs a router, it's done with the idea in mind that the modem is set to run in Bridge mode, running as a modem only.
Modem vs router images how to#
That's what this forum is for, providing explanations of how to do things like replacing routers. Never worry about " less than stellar technical skills". The best that one can do normally is around -25 to -30 dbmw.īy looking at the text graphical data, that will show who else you're competing with, in terms of channel usage. That data column is a negative data column, that is to say, zero is at the top of the scale, -90 is at the bottom of the scale. Sort the data in descending order by selecting the RSSI column title, which will sort the data up or down depending on what is currently shown. In the upper text area, sort the data using RSSI, which is the received power levels in dB milli-watts. From that display, select "Spectrum" to show the graphical interpretation of the data. That will bring up the bottom data display. When that is running, select the Wrench (Tools) icon from the second row near the right hand side.
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If you don't have a Windows wifi analysis program, download Winfi Lite from After that you would have to set the modem back up again (ugh!) from scratch. That will initiate a Factory Reset followed by a reboot into Gateway mode. The other way is to run a Factory reset using the user interface, or, to depress the recessed reset button at the back of the modem for 30 seconds and then releasing it. This is an easier way to change the modem's operating mode back to Gateway Function. Enable the Residential Gateway Function and Save the Changes That will initiate a reboot back into Gateway mode with the previous settings intact. The log in addresses are specific to the operating mode of the modem, so that address does change. To kick the modem back into Gateway mode, log into the modem, thru the router, using 192.168.100.1 to navigate to the log in page. That will initiate a reboot into Bridge mode. Disable the Residential Gateway Function and Save the changes. To kick the modem into Bridge mode, log into the modem, thru the router, using 192.168.0.1 to navigate to the log in page. It will be a CGN3xxxx model, which is an Intel Puma 6 modem. The modem model can be found at the back of the modem on the product sticker. Modem's typically provide basic network and wifi services, and unless ISPs decide one day to become really generous and provide decent routers for their customers, anything that a customer buys will usually provide better service and capability than any modems the ISPs will provide. So, with the modem in Bridge mode you need to ensure that the router's firewall is up and running. With the modem in Bridge mode, the router will provide firewall services, network control, wifi services, etc, etc. Hopefully its been that way for a long time now. You should be using the modem in Bridge mode.
Set the 5 Ghz wifi channels to run in the 149 to 161 range to use the higher output power allowed for those channels.Ģ. Now, we have telephone lines that are partly analog and a lot of computer tech (e.g., laptops, desktops etc.) that is purely digital.You should definitely see improved wifi performace with the new router. While computer technology is purely digital, i.e., it relies on numbers to transmit and receive information, telephone technology, even to this day, is partly analog, meaning that it uses continuously varying electrical signals to transmit information. In fact, without modems, it would have been impossible for most users to connect to the Internet. (Photo Credit : ) (Photo Credit : ) Importance of a modemīack in the old days, when landline phones were the primary tool to communicate over long distances, modems came in pretty handy to gain Internet connectivity using telephone lines. This is an example of amplitude modulation, wherein the amplitude of the carrier wave is modified proportionally according to the amplitude of the input signal.
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