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

learn more… | top users | synonyms

7
votes
7answers
2k 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 ...
8
votes
1answer
5k 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 ...
6
votes
3answers
4k 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 ...
3
votes
2answers
4k 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 ...
2
votes
2answers
166 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 ...
6
votes
6answers
5k 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 ...
0
votes
3answers
609 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 ...
3
votes
3answers
943 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 ...
3
votes
3answers
4k 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 ...
1
vote
4answers
26k 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 ...
0
votes
2answers
649 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 ...
1
vote
2answers
188 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 ...
0
votes
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. ...
1
vote
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 - ...
2
votes
1answer
314 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 ...
2
votes
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 ...
1
vote
1answer
567 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
votes
3answers
14k 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
votes
7answers
4k 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 ...
1
vote
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 ...