A type of network bridge that provides bi-directional data communication via radio frequency channels on hybrid fibre-coaxial (HFC aka CATV) infrastructure.

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Can I share my cable internet connection through my ADSL wireless router?

Over the xmas period I am at my in-laws. They have Virgin Broadband (cable) and have a basic modem / router that is plugged directly into their computer using an ethernet cable. My wife and I arrived ...
3
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3answers
297 views

premium cable Internet is supposed to be multi-MB per sec, right? I never break 800kb/sec

Premium cable Internet is supposed to provide multi-megabyte per second downloads, right? Meaning, I should be able to download a 20MB file in a second? When I download large video files, say from ...
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2answers
4k views

is it worth getting a DOCSIS 3 cable modem for premium cable internet service?

Is it worth getting a DOCSIS 3 cable modem for premium cable internet service? I currently have a 3-4 year old Motorola Surfboard DOCSIS 2 cable modem from my last apartment, but I am now paying for ...
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1answer
275 views

ISP knows if modem is communicating with router

I was speaking with tech support for my cable internet provider troubleshooting a faulty router. They knew, somehow, if and when my modem was communicating with my router. Just wondering how is this ...
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2answers
262 views

My cable modem won't communicate with my iMac but will with my other box

The other day I was forced by the aftermath of a failed software installation to reinstall Windows 7on my iMac. All went well except that I am unable to use the internet on that box now because for ...
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1answer
600 views

Should I buy a new cable modem?

My cable modem is about five years old, a Linksys BEFCMU10. Is there any performance advantage to be gained by getting a newer one? (I'm thinking maybe a Motorola SB6120.) I'm currently having ...
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4answers
2k views

DOCSIS 3.0 boot file generator?

We have been using docsis project ( http://docsis.sourceforge.net/ ) for generating DOCSIS cablemodems compliant bootfiles, from templates, for docsis 1.0 and 1.1 devices, now we want to move one of ...
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2answers
2k views

Can I use my WRT54G instead of my ISP's cable modem?

My ISP has provided a crappy Thomson cable modem with 4 LAN ports and wifi, which constantly crashes and reboots itself. I am going to ask for a replacement, but here is my question: --> I have a ...
2
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1answer
124 views

Connecting home LAN to cable internet

I have a small home LAN. We currently use DSL but are moving to an area where cable internet is preferred for speed reasons (3Mbit upload vs. 768kbit). I'm fairly savvy w.r.t. networking, but I have ...
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2answers
1k views

Wireless Connection not maxed out but “slow”

I just got a 20MBit cable connection at home and tried to measure the bandwidth from this with my laptop. After a few tries (5), I could see I was getting 14/1 Mbps (down/up) speeds from speedtest.net ...
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7answers
3k views

Why is it so hard to connect with a cable modem and router?

I've gone through various combinations of cable modems, routers, computers, and apartments in my life, and one thing has always puzzled me. Why is it so difficult to get these things to connect to the ...
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1answer
6k views

How to connect a wifi router to a cable modem router?

Here's the thing: I have a cable modem router (Thomson TCW710) with wifi-g that I rent from my cable company. I would like to use a wireless-n router (D-Link DIR-655, that I received for free) with it ...
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3answers
5k views

Home network with two isolated separate subnets, running on cablemodem/router and WRT-router

I have a new connection with a nice new router/cable-modem. I'd like to setup it up optimally and needs some pointers. I am a complete n00b when it comes to routing. I want to end up with two ...
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2answers
8k views

What does “blank” in Default Gateway mean?

I have reinstalled Windows XP and posted about not being able to connect to the internet. I did go and ensure all drivers are there. Now, when I type ipconfig /all, I get a physical address DHCP ...
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2answers
177 views

Offloading Cable Modem operations to Router

I may be crazy here, but I seem to recall a conversation in the past stating that it was possible to offload some of the operations taken by one's cable modem to one's router. The logic was that ...
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6answers
6k views

Why is my router not routing?

Starting a week and half ago my router stopped working with my cable modem. I went to sleep with it working and woke up with it not. I swapped in another router and am still having issues; I was ...
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3answers
615 views

Cablemodem frequent connection loss

I have a Linksys BEFCMU10 cablemodem and a WRT54GL router with Tomato 1.27 firmware on Cox cable. My question is this: I get what seems to be random disconnects from the internet, where the cable ...
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3answers
1k views

Why can I no longer access a particular website that I have been visiting for years without issue?

There is a private forum site that I have accessed without issue for a long time. As of about 2 weeks ago, without warning, I suddenly cannot access the site through any browser. My first assumption ...
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3answers
5k views

Being able to access cable modem's web interface

Updated I've got a Motorola SBG900 cable modem sitting in front of a Linksys WRT54G running DD-WRT. The DHCP server is running on the Linksys router not the modem. I can access the DD-WRT web GUI ...
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4answers
28k views

How do I forward ports on a Comcast SMC 8014 w/ a static IP? (Doesn't seem to work?)

I'm trying to set up port forwarding with my Comcast cable modem, an SMC 8014. Normally this is pretty straightforward (give a port range, tell it to forward to a LAN IP) but for some reason it ...
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2answers
657 views

Planning to purchase a modem to use with my Comcast connection… but what should I know before that?

I am planning to purchase an RCA DCM-425 modem to avoid getting those monthly $5 rental charges. This one seemed to be out of stock on Amazon so I was wondering if there are any alternate models that ...
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2answers
189 views

Can no longer reach DHCP server

I've read some of the other DHCP questions here, but my problem is a little different. I have a home laptop that has been working fine for ages. I brought my work laptop home at the weekend to finish ...
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3answers
2k views

Why would a cable modem work in one location and not another?

Up until last Thursday, my D-Link (don't know model) cable modem at home was working just fine. No issues besides needing a power cycle every once in awhile. Since Thursday, can no longer get online. ...
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3answers
1k views

Should I Replace My Old Wired Cable Router?

I have a LinkSys BEFSR41 wired cable-router (version 1) that I purchased back in 1998. Yes, its about 12 years old. It works, there is nothing physically wrong with it but I got to wondering - ...
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1answer
327 views

Does a Cable Modem work like a DSL Modem when it comes to use a Router?

Long title, short question :) I moved over from Europe to the USA. In Europe, I am used to DSL (over the phone line), but here in California, Internet over the TV Cable seems to be most common, with ...
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4answers
2k views

Does a cable internet connection remain active during a loss of power in the apartment building?

I live in an apartment building in Czech Republic, Europe. I have a cable internet connection with a static IP connected to an Ubuntu server I set up. Recently out building lost power, though the ...
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1answer
575 views

Performance Hit While Routing Cable Internet Through Surge Protector?

I recently purchased a Belkin surge protector with cable line protection. I have cable Internet, and that cord is plugged into my modem, which has an Ethernet going to my router where it splits and ...
4
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3answers
15k views

URL to reboot a WebSTAR DPC2100R2 cable modem with curl?

Does anyone know what the magic URL is for rebooting a WebSTAR DPC2100R2 with curl? I used to have a SurfBoard, and the curl command: curl ...
2
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7answers
5k views

How does cable modem power cycling improve the net speed?

After a while (can be days, can be weeks), my network access speed slows down to ~2Mbps. Power cycling the modem (router and modem power off, then modem on, then router on) improves the performance to ...
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2answers
2k views

Two public IPs behind a cable-modem using D-Link DIR-300

I have a cable-modem connection to the internet and I bought a router in order to share my internet connection betwen my laptop and my PC. The router I bought is D-Link DIR-300. The first weird thing ...