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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1answer
29 views

DHCP Lease Expire Time (IPV4)?

Could someone tell me what this does? I assume it changes my WAN IP address? Recently somebody got my WAN IP address and for security reasons I wish to change it, should I wait till the DHCP lease ...
0
votes
1answer
29 views

How does my cable internet connection connect to the ISP? [closed]

Say I have comcast internet. I connect a modem to a coaxial wire that is connected to the wall. where does it go after that? does my coaxial cable combine with other users' coaxial before heading to a ...
0
votes
1answer
42 views

Force modem to return IPv4 address

I recently got a new cable modem and when I reset the IP it gave me an IPv6 IP address. This is a problem because it is a hassle to type in this long string of hexadecimal numbers and also PuTTY does ...
0
votes
1answer
94 views

How can you “press” a button of a webpage from the command line to restart a cable modem?

I'm trying to reboot my cable modem programmatically. I used to be able to do this by using wget: wget http://192.168.100.1/reset.htm?reset_modem=Restart+Cable+Modem However I changed my cable ...
0
votes
1answer
321 views

Super hub 3.0 unable to communicate with Chromecast

I recently got Virgin Media installed and their SuperHub 3.0 which is not able to communicate with my Chromecast, also my kodi/osmc does not show up in yatse either. This all worked fine when I was ...
0
votes
3answers
130 views

How to access cable modem dashboard from laptop, when there is router in between?

Obviously, when I connect cable modem directly to laptop using LAN cable I can access it (http://192.168.100.1). But when router is between my laptop and cable modem it's obviously not as easy as ...
0
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0answers
27 views

Renewing public ip address of an individual machine with cable modem

I used to have broadband internet and on each machine I could connect via broadband using the same username and password (pppoe) and every machine could have a different public ip. I now have cable ...
0
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0answers
28 views

Internet goes out 15-20 times per hour

I have 90 megabit Comcast Internet at my house. It comes in via coax, and my PC is hardwired to the modem-router via Ethernet cable (not wi-fi). Roughly 15-20 times per hour (every few minutes), my ...
0
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0answers
59 views

Duplicate IP Address during traceroute / mtr?

While using MTR or trace route I notice that there is a duplicate gateway address showing (10.10.10.1). This happens no matter which physical device or VM that I utilize to test this. I am leveraging ...
0
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0answers
29 views

Reusing a docsis 2.0 modem

Comcast recently refused to activate an old docsis 2.0 modem that I had with me. I am wondering if it could be put to any use. One idea I had was to connect it to a TV through the coax, and stream ...
0
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1answer
48 views

managing port 25 in windows 8.1 home and cable modem [closed]

A cable modem has port 25 blocked. Two computers are on the local wifi network managed by the cable modem. One computer is a windows 8.1 machine that sends and receives email using tools like ...
0
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0answers
16 views

DLink DCM 319 modem suddenly not getting upstream

So, I've hit some hard times and could not pay my cable bill last month. TWC came out and disconnected me. Since then I was able to pay what I owe to just get internet. When they turned the stream ...
2
votes
2answers
2k views

“WAN: disabled” when connecting router to cable modem

I am trying to set up internet access with a Linksys WRT54G router (DD-WRT, set as a AP) and a Motorola/Arris SB6121 cable modem which uses WOW!. The problem is that the router can’t connect to the ...
0
votes
0answers
37 views

Modem ethernet disconnects upon connecting to Internet

I am able to access my modem via ethernet when it's not connected to the internet. When I plug the cable connection and and the modem connects to the internet, the ethernet connection disables and on ...
1
vote
1answer
58 views

When torrenting gets too fast, my modem becomes unresponsive?

I have a Zoom DOCSIS 3.0 modem between my Comcast internet and my wireless router. My tower that's doing the downloading is wired to the router. I've found when large torrents pick up too much speed (...
12
votes
5answers
3k views

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

I was wondering what type of cable runs from the modem to the wall outlet in my house? Is it a coaxial cable? I'm very confused by what I've read around the internet. There seem to be many variations. ...
0
votes
1answer
53 views

How far from the TV/Internet splitter can I place the cable modem?

Does my cable modem for my internet need to be connected right at the point where the cable comes into my house? In other words can I split the input cable for the TV and Internet at the entry point ...
-1
votes
1answer
3k views

How to find out who is DDoSing you

So I (had) a friend who now hates me and he said he would take me offline if I blocked him on Skype. I did not believe him and I said "I don't care, do your worst". Big mistake - he found out my IP ...
1
vote
0answers
83 views

Cable modem drops connection upstream - why?

I have internet via coaxial cable (aka cable TV). The cable modem is of type Netgear CG3000. (comes from the ISP). The connection is of type DOCSIS 3.0. About a year ago the cable TV guys went ...
0
votes
0answers
107 views

Why can't my second router (in DMZ) automatically find DNS settings?

I'm trying to set up my own router after the ATT modem/router combo. There is no bridge mode to bypass the ATT router. So I set up the DMZ to point to my personal router and wasn't able to get any ...
2
votes
0answers
260 views

Compatibility between Cisco DPC3008 cable modem and Gigafast WF719-CAPR Wireless-G 4-port Broadband Router

After my connection with Comcast started going down once every hour or two, I went along with the tech's suggestion of getting a DOCSIS 3.0 compatible modem (previously, they kept saying that it was ...
0
votes
1answer
234 views

Avoid cable modem device limit restriction (MaximumNumberofCPEs)

The cable modem of my ISP is restricted to four devices. Is it possible to avoid this restriction if i connect a WIFI Router with own DHCP server, static IPs etc. to the cable modem so that I can ...
1
vote
1answer
88 views

Intermitent high latency caused by Cablemodem

I have 2 computers conected to my Thompson model TCW770. I have been experimenting connection problems while playing online in different games. I have some seconds every 2-5 minutes that the game is ...
-1
votes
1answer
643 views

How to monitor WAN traffic? [closed]

I'm looking for a way to monitor the WAN traffic for my Arris Touchstone cable modem/router mainly to check the speed. The modem's web GUI doesn't offer any option of that sorts and I was looking for ...
0
votes
3answers
1k views

Blacklisted MAC address for modem

I currently lease a router for High Speed Internet from Comcast. I have just purchased my own router online from Ebay to avoid monthly rental charge. The ebay-purchased router is the same make and ...
-4
votes
1answer
62 views

how to cut plugin (head) from lan cable (for internet)?

Is there easy way to cut plugin from cable, if it possible without pincers? I want to cut from cable which is bought in shop, and put on cable which came from wall?
2
votes
1answer
696 views

Cable modem configuration page won't open

Just installed Arris DG1670A cable modem. It works fine accessing the Internet, but when I try to get to the configuration interface at http://192.168.0.1/, the page never loads. Strangely enough, I ...
1
vote
0answers
140 views

Router stops giving internet randomly while modem continues to work

My internet provider had installed in my house an Alcatel modem (FTTH). I have a dd-wrt TPLINK router. For months my internet was working perfectly having the modem (bridged mode set by ISP) ...
0
votes
2answers
96 views

Which cable needed to connect cable modem to DLink router?

Here's the pic of back of my Cable modem ...and this is how the back of new DLink router Could you please inform which cable to use to connect Router to Modem?
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votes
0answers
416 views

upstream power level causing modem disconnects and reboots

I read an answer for this question from 2012. The reason I ask is that the Comcast connection troubleshooting site states that upstream power levels above 50 dBm will cause disconnects and reboots. ...
2
votes
2answers
5k views

Configure DD-WRT router behind a Cisco cable modem

I have a Linksys WRT54GS router flashed with DD-WRT that I'm trying to get a connection on behind a Cisco DPC3010 cable modem. I can get a connection just fine when I plug my computer in directly ...
3
votes
3answers
3k views

Slow Internet speed when HomePlug combined with router

I'm using HomePlug AV2 600 devices to connect upstairs with downstairs (router is downstairs). A check with iperf shows bandwidth of ~100Mbps, and data transferred on the local network from downstairs ...
0
votes
0answers
163 views

Can't access modem web interface

I have cisco modem with Linux firmware. I can't connect to modem admin interface via ip 192.168.100.1. I can't SSH to it either. I tried to ping it and it is unreachable. I noticed that sometimes this ...
0
votes
1answer
624 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?
0
votes
2answers
1k 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
votes
1answer
57 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 "...
0
votes
1answer
215 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 ...
0
votes
1answer
958 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 ...
0
votes
1answer
176 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 ...
1
vote
1answer
242 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 ...
2
votes
2answers
6k 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 --coax--&...
0
votes
3answers
14k 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?
0
votes
0answers
1k 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 ...
2
votes
2answers
6k 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
304 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 ...
0
votes
0answers
319 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 ...
1
vote
1answer
8k 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 ...
2
votes
1answer
3k 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
votes
1answer
480 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 ...
0
votes
3answers
76 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 ...