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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604 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
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3answers
908 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
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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 ...
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4answers
25k 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
646 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
186 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
308 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
563 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 ...
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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 ...
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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 ...
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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 ...