Hot answers tagged

43 votes

How do I access my modem's GUI when it's in bridged mode?

I am appalled at the misinformation in the accepted answer. While I have no experience with the ActionTec P5001a, I do have experience with half a dozen similar devices, and they all work the same ...
  • 573
39 votes

My ISP doesn't use a modem. How does this work?

There could be a modem connecting to the switch/router gear that is in the other side of that Ethernet connection, however a modem is not mandatory. Depending where you are, it is entirely probable ...
  • 65.1k
37 votes

How can Internet speed be 10 times slower without a router than when using the same connection with a router?

The first two are easy to explain - you live in an area with a fair amount of Wi-Fi noise or are far away from the router or have a crappy router, so a wired connection is faster - indeed that ...
  • 65.1k
31 votes
Accepted

My ISP doesn't use a modem. How does this work?

Modems are not a requirement, at all. They just happen to be the common case in many parts of the world because they allow usage of existing (quite often old) telephony or cable television ...
22 votes
Accepted

What is the cable that runs from the cable modem to a wall outlet

What type of cable runs from the modem, to the wall outlet They are Coax cables. The first image shows an isolator, which is used to protect your equipment from surges from your ISP's upstream ...
  • 145k
17 votes

How can Internet speed be 10 times slower without a router than when using the same connection with a router?

It could possibly be a QoS issue. I recently attended a presentation at work that included some discussion about a problem where people who paid for a 100 Mbit/s Internet connection could only ...
14 votes

Router restarts after big git push or big file upload

You’ve made a well written, descriptive post. But, it’s written from the perspective that there must be something external to the modem causing the problem. You wrote I am able to see a log of ...
  • 11.2k
13 votes

How do I access my modem's GUI when it's in bridged mode?

In case of Arris routers (such as the DG1670) when in bridged mode the UI is available at: http://192.168.100.1:8080/
  • 323
12 votes

Two Internet connections via two modems, one router, specify which modem to use on PC

You can run a single network with two DHCP servers by assigning the same network prefix but different ranges of IP addresses. For example: Router 1: Network address: 172.25.60.0 LAN interface: 172....
  • 2,821
11 votes
Accepted

Wi-Fi stops working every 10 minutes on Mac OS X

Solution (May 24, 2015) The unstable connection turned out to be a problem with Mac OS X Yosemite and is apparently a common thing. There are numerous potential solutions to this problem posted all ...
11 votes

Will daisy chaining routers cause issues?

It will work correctly for basic internet access, such as displaying internet web sites in a browser. More "advanced" use cases may break because of double NAT (with IPv4). It still a concern today, ...
11 votes

How do I split my modem connection into a router and an additional ethernet output?

The easiest option will be to move the router to where the modem is and put a switch where the router was by your TV and use the existing cable between the current modem and router setup to connect ...
11 votes

How can Internet speed be 10 times slower without a router than when using the same connection with a router?

I may be able to offer an explanation for #3, at least. First, my assumptions going into this, since there's a good deal of detail missing from your question. Please do correct anything I got wrong (...
  • 1,230
10 votes

Connecting a switch to a cable modem

You will probably need to get a second router. It does not need to be a WiFi router, but you need to have a router between your cable modem and your switch. Reasoning: Most residential ISPs only ...
  • 61.1k
9 votes

How do I access my modem's GUI when it's in bridged mode?

Managed to find my GUI in new address: http://192.168.100.1 (original was 192.168.0.1 before bridged mode) logged in and turned it back to router mode and after waiting it to reset Clicked network ...
8 votes

Is a DSL splitter required, if only a Modem is attached to the line?

A DSL filter performs 2 functions: To prevent DSL frequencies from reaching non-DSL devices To prevent spurious noise from non-DSL devices from interfering with DSL frequencies If there are no non-...
8 votes

Can I plug my modem to an ethernet switch for my router to use?

No, your Linksys CM3024 is a pure DOCSIS modem (that is, it does not include any gateway/router functionality), and the DOCSIS specification doesn't allow a modem to talk to more than one device. ...
  • 98k
7 votes

What type of a modem/router/switch for LAN party where no internet access is needed?

Technically, a basic Ethernet switch is enough for LAN communications. All you really need is the ability to exchange packets, and switches & hubs do exactly that; and they most certainly work ...
  • 387k
7 votes
Accepted

How does a NAT behind a NAT work (router's NAT and ISP's NAT)?

Let's try a simple example. In a "normal" NAT'd home network, 192.168.1.2:11223 gets mapped to the "public" address:port pair 203.0.113.5:22334. So the eventual destination host thinks it received a ...
  • 59.5k
7 votes
Accepted

XDSL Internet Connection Over Optical Fibre Telephone Line?

Well, to begin with, you can see that your modem has an electrical connection for xDSL – but it does not have an optical input, so how are you going to connect the ISP's fibre? Only by using a ...
  • 387k
7 votes

Effects of extending RJ11 cable length to modem

The best thing you can do is home run a CAT-5E solid conductor cable back to the DMARC. (Outside box where the PSTN copper line comes in.) You can put one DSL filter here in parallel with the CAT-5E ...
  • 5,764
6 votes
Accepted

Asus RT N16 router. Prevent redirection when there is no internet connection

Go to the Administration menu and open the System tab. Enable the telnet server by setting “Enable Telnet” to “Yes”. Click Apply, wait for the changes to complete, then telnet to your router’s IP ...
  • 452
6 votes

How do I access my modem's GUI when it's in bridged mode?

I ran into this issue when switching the internet connection on my Linksys WRT1900ACS from DSL to a mobile hotspot. I'm bridging through the 5 Ghz radio and serving clients through the 2.4 Ghz side. ...
  • 61
6 votes
Accepted

Can ADSL modems connect by dial-up over phone lines without paying for DSL service?

Sorry, but no. DSL and ADSL use frequencies to carry the data which are above the frequencies which ordinary phone lines will carry. Special conditioned lines without load coils must be used, and ...
  • 9,243
6 votes
Accepted

Use a server as an ADSL modem

An ADSL connection is not just Ethernet; it's a bit more than that. While it does carry Ethernet traffic, the frames aren't sent directly over the wire, but inside an ATM virtual circuit, using ATM ...
  • 387k
6 votes
Accepted

Portforwarding is not working in E5172 Huawei 4G Router

Using Zain, I suppose you are in the Middle East. When I was in KSA, I also had this same Huawai 4G Router. While the software allows you to set port forwarding/enable DMZ, it won't help you! With 4G ...
  • 503
6 votes
Accepted

Why is USB Serial so fast in linux?

There is no actual serial link to run at 115,200 baud or any other baud rate. The interface a serial link would provide is emulated to allow the modem to work with software designed to work with an ...
6 votes

Two Internet connections via two modems, one router, specify which modem to use on PC

Set up a USB printer server - a lot, but not every router has this built in. It would also need to be wireless so it can attach to the 4G Wi-Fi network. Something like the TL-WN822N - WLAN USB adapter....
  • 3,105
6 votes
Accepted

Effects of extending RJ11 cable length to modem

Telephone cable for RJ11 connections is simple round cable with some twist to the wires (but not in pairs). You can extend by 10 meters without any significant degradation. The signal from the ISP is ...
  • 38.4k

Only top scored, non community-wiki answers of a minimum length are eligible