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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17 views

How to re-enable NAT on Netgear CG3100?

I just accidentally disabled NAT on my CG3100. Now I only have 4 public IPs for all the devices. I really need to re-enable NAT on my CG3100. How do I re-enable NAT on a CG3100?
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2answers
46 views

How to disable DHCP on Netgear CG3700EMR-1CMNDS?

I just got a Netgear CG3700EMR-1CMNDS from my ISP. How do I disable its DHCP server? I'm unable to find the setting.
2
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1answer
35 views

What is an “Insertion Fault”?

I'm having internet connection issue and after a long and painful phone call the engineer from my ISP (Virgin Media in the UK) has diagnosed that my Modem (Virgin SuperHub 2) is generating 2000 ...
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1answer
45 views

Is there any reason to purchase a cable modem with a faster speed than your internet connection?

My cable provider allows you to purchase and use your own cable modem, from a list of approved ones. Some of them, e.g. the Motorola SB6141, are rated at a speed much faster than any of the internet ...
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0answers
18 views

Zoom 5143j modem disconnects from cox

It seems that we lose connectivity to cox and the zoom modem does not automatically reset itself without us pushing the reset button or disconnecting and re connecting power. We are always able to ...
0
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1answer
74 views

Any tools for signal logging Motorola SB6141 on my PC?

For years I had an application someone had written for older Motorola Surfboards. You could run the app in your tray and it would poll the cable modem and log all of the signal data in a csv file ...
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1answer
29 views

Router setup for cable net connection

Cable connections are now very popular in India. Companies like Meghbela, Allience are providing internet connection through cable. To access internet user need to open a authentication web page from ...
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0answers
72 views

D'link router DIR 600L A1 default password not working?

I just got D'link router from my brother and have connected it via the ISP line and got the login page. My brother told that when he set the router he got the basic wizard page, set the password and ...
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1answer
39 views

Network Performance: Coax Splitters, Routers, and Switches

I'm trying to decide between two home network layouts. Here are my goals that I'm trying to achieve:. Network Goals IPv6 Support WAN and LAN speeds capable of handling 2-3 HD video streams (HD ...
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1answer
240 views

Can MoCA be used behind a wired router?

We have Comcast cable internet, and we want to connect two devices: one WiFi router, and one PC via a wired connection. We have these all set up in the same room and it basically works: wall ...
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3answers
275 views

Can I split the ethernet signal from cable modem

Can I connect the Ethernet cable from my cable modem into A wireless router A direct Ethernet connection to a PC Do I need anything special? What kind of splitter?
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0answers
51 views

How do I check for a dying cable modem without a known working one?

That pretty much sums it up. Have to rule out a finicky modem as the cause of my bandwidth issues, but I'm not geeky enough (read too cheap) to keep an extra modem in my spare parts box. I'm pretty ...
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1answer
829 views

No DHCP Lease with a new SB6141 Modem and a Linksys Router

I'm trying to help a friend remotely with an internet connectivity problem. His internet went down this morning and the cable company had him switch to a Motorola Surfboard SB6141 modem from an older ...
3
votes
1answer
122 views

Am I the victim of internet service theft from a cloned modem?

I purchased a modem from someone on craigslist to use for my new cable internet service. The modem appeared to be unused and in brand new condition. However, the sticker on the box with the modem's ...
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0answers
145 views

Intermittently disconnected from the Internet. Bridged cable modem

After I recently had my cable modem company (Shaw) bridge their cable modem with my router, because their Cisco DPC3825 works so poorly on its own, I occasionally cannot connect to the Internet. I ...
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0answers
2k views

WIFI: iPhone/iPad getting much slower bandwidth than laptop

I just got cable internet installed (Comcast). It claims that my down speed should be 25mbit. Over wifi, I get close to that on my laptop, but only about 8 on average with my iPhone/iPad. I'm using ...
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1answer
407 views

Configuring my cable modem/gateway to hide its country location

My ISP is a cable company which provides the modem/gateway but has fully configurable access. I want to be able to use websites in the U.S. that don't allow me to access them outside of the country ...
0
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1answer
204 views

New Cable Modem blocking TOR?

I've been using the TOR browser bundle under Windows for several weeks now to watch British television while in the US. However, today I received a new cable modem/wireless router combo unit from ...
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3answers
57 views

Why is my public my IP change based on whether I'm using my modem solo or using my modem through my router?

When I am using my cable modem through my router to my PC, I have one IP address. When I skip my router and go from modem directly to PC, I get another IP address. When I go back through the router ...
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0answers
572 views

How can I avoid daily reboots of my wireless router?

I recently decided to purchase my own cable modem (ISP decided to charge rent on the unit they provided), but have since had to reboot my wireless router daily. I suspect the address provided by the ...
3
votes
3answers
1k views

How to determine mac address of a modem on Windows 7?

For a validation process I need to know the MAC address of a cable modem. (I do not need to know the MAC address of the network adapter.) The cable modem though is placed somewhere hardly accessible, ...
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1answer
1k views

Can I Share My Cable Internet Connection Through my ADSL Wireless modem + Router

At first I want to say this question can be found by googling but I cannot find any satisfactory answer. So I am posting it here. I have a ZTE-ZXDSL-531 ADSL Modem. At first I used an ADSL broadband ...
2
votes
1answer
106 views

Is there an equivalent to the WRT54G router for cable modems? [closed]

So my ISP is starting to charge me rent on their (undoubtedly sub-standard) modem. I've never really paid the modem any attention and don't know what the spectrum of options looks like. Is there an ...
1
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1answer
654 views

Access Internet on android phone by connecting it to laptop?

My latop is connected to a wired modem for internet. I want to access internet on my android phone. Can i do it by connecting my Android to laptop via usb cable and then enabling tethering. Edit: ...
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1answer
127 views

Cable modem ping times go to thousands of milliseconds after 10 minutes of use

I have a wireless router (NetGear WNDR4500) which has a wired connection to a cable modem (Thompson DCM275). My connection to the wireless router seems to be working fine and the traceroute and ping ...
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1answer
1k views

Using Motorola NVG510 as wireless router via connecting it to Motorola SB5101 Cable Modem

I have a comcast cable connection at home. I have a Motorola SB5101U cable modem and Motorola NVG510. What I want to do is connecting the cable modem to the comcast cable and have internet access, and ...
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0answers
39 views

Besides throughput, is there any advantage to having more bonded channels in a cable modem?

Let's say there are two cable modems whose downstream channels can each do 40Mbit/sec, but one modem has eight channels and the other has four. Assuming an ISP limits downspeeds to 50Mbit/sec, does ...
2
votes
0answers
1k views

How to Replace Firmware/Software on Motorola SURFboard SBG6580

I have a Motorola SURFboard SBG6580 Cable Modem/Router combo that was working great until I upgraded my Internet speed with Comcast at which time, they pushed either a firmware or software update that ...
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2answers
2k views

How to test if a cable modem is functional?

I have an old Motorola Surfboard SB6120 that I bought used and never used. It has some light rust on irrelevant parts mostly around the lan port support bracket and on the cable tuner shield, and it ...
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1answer
302 views

Attempting to Determine if ISP is Blocking Port 3074

In the last week I have experienced problems getting onto Xbox live. I have a wireless access point / router connected to a cable modem provided by my local ISP. After checking the settings on my ...
0
votes
1answer
97 views

DLINK DIR-685 Rev.A shows ping flood attacks from my modem ip address

DLINK DIR-685 Rev.A shows ping flood attacks from my modem ip address This has happened with ADSL(dont remember model) and now Cable modem(Motorola SB6141). What if anything is wrong? Is this a ...
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1answer
1k views

Zoom 5341J No Longer Provides Internet Connection via Router, Works via Direct Connection [closed]

I've been tracking down a confusing problem over the last couple days and I'm hoping someone here might've experienced it before. First, the short version of the problem: My Zoom 5341J modem provides ...
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1answer
58 views

Cable modem and connectivity issue

I have new cable modem and moved to a new location. I have Cable point, which attaches itself to the cable modem. Every now and then I realize that my cable modem's either upstream or downstream ...
3
votes
3answers
537 views

Is a cable modem registered to a CMTS or the entire ISP?

I am curious if I were to move, do you have to tell your ISP, in this case my cable company, that I am moving? Is the cable modem MAC restricted to a certain CMTS, or could I use any CMTS belonging ...
1
vote
2answers
591 views

Wifi N speed is slow for internet downloads, yet fast locally, and decent in bridge mode. What gives?

I have an e2500 and a macbook pro early 2011 bonded with it at 300 Mbps. My Comcast internet connection is 50+ Mbps via ethernet but only 25-26 Mbps via Wireless-N. When my wireless router is set to ...
0
votes
1answer
88 views

Looking for clues regarding weird wi-fi issue

I've been running a Linksys WRT54G for many years now without issue. We have about 15 devices that are present on our network at various times, including Windows XP, 7, 8, OS X (Mountain Lion), ...
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votes
1answer
969 views

Setting up of a WIFI router

I recently changed my ISP. So I have 2 modems one is a ADSL2+ Modem and Router with Wifi ( Beetel 450TC1) and other is a cable modem which has 2 RJ45 ports ( No brand mentioned on the device it’s from ...
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1answer
3k views

Connecting router (SMCWBR14S-3N) to modem (SB6121)

We recently purchased a Motorola SURFboard SB6121 modem and activated it with Comcast. After the technician activated the modem, she instructed me to connect a computer to it and try to go online. ...
2
votes
0answers
595 views

DMZ forwarding on Cisco DPC/EPC2100 Cable Modem to Linksys Router for IP Cameras

I have one of the old Cisco DPC/EPC2100 Cable Modems and wanted to know if anyone has had any luck setting up DMZ on it? Link to modem: http://www.cisco.com/web/consumer/support/modem_DPC2100.html ...
1
vote
2answers
3k views

Forcing a Modem/Router combo to pass it's WAN IP to a dedicated router

I wish to use an ASUS RT-N56U router router with my ISP provided Motorola SBG6580. My goal is to disable the routing capabilities of the modem/router combo and use my Router as the Gateway, DNS, ...
0
votes
2answers
165 views

Planning home network

I'm planning to setup my home network from scratch and want to ask professional opinions or tips. My home is connected to Internet with a cable connection (100 Mb/s). The devices I would like to ...
1
vote
2answers
4k views

Running two wireless networks, with two different DHCP ranges (Virgin Media superhub woes)

I'm trying to create two wireless networks in my house, that would provide the client devices different ip address ranges and DNS settings, depending on which network they connect to. My current ...
17
votes
7answers
6k views

Is it possible for a router to “go bad” with time?

I've been having problems with my internet connection over the past weeks (intermittent disconnections, slow transfers, etc), and my provider keeps telling me that the problem is not on their end. I ...
0
votes
1answer
810 views

wireless network with cable modem and access point

I have a Scientific Atlanta EPC2203 cable modem and a TP-Link TL-WA500G access point. When I connect my computer directly to modem with a CAT5e cable I have internet connection on my laptop (when i ...
2
votes
1answer
538 views

Bizarre and very specific Internet connection loss

Yesterday (Friday, September 21, 2012), my Internet connection started acting up. After some testing, I confirmed a very specific and baffling set of symptoms: Internet connection goes away every ...
0
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1answer
119 views

Connection Time Outs, is it ever normal? [closed]

I have a wired connection which has periodic timeouts. These time-outs are really getting frustrating when trying to do any sort of live connection as it causes lag and sometimes a complete service ...
2
votes
2answers
2k views

Can I use a Siemens SL2-141 DSL Modem-Router as a hub/AP?

I am visiting a place where there is a Cables connection to the internet via a cable modem. They used to have a standard home wireless router, so I could connect my laptop wirelessly around the ...
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vote
0answers
427 views

Is there any reason to buy a more expensive cable modem? [closed]

I recently went shopping for a cable modem. I noticed there was the basic (~$50) model and the more expensive (~$100) model. The more expensive model said it could demodulate up to many 100s of ...
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vote
1answer
293 views

Configuring home wireless network

I'm new to setting up a home wireless network. I have Comcast TV/Internet/phone service (modem included) as well as a wireless router. How can I determine the performance of the following parts of ...
0
votes
2answers
588 views

Internet connection pauses

I have a Motorola SB5120 cable modem. My provider is Atlantic Broadband in North Miami Beach. I've had this modem for over 5 years and has always worked the same way. Even in 2 different locations. ...