Comcast Modem To Support 2 Ethernet Pcs And Wifi

Jan 17, 2012

Just got home from the Comcast store with a $7 rented modem just to last me until I do research and purchase one. I realize that this modem has only one Ethernet port with no WiFi support so I have another PC and a laptop sitting idle because there's no internet access. Did a quick search using Comcast's authorized modem's list and all of them only have a single Ethernet port and no WiFi. Is there a modem with multiple Ethernet ports with built in WiFi? I am getting almost 20mbps with a download speed of 4mb/s which is a HUGE improvement over my ATT DSL service that I've had since forever at 3mbps with a download speed of 300kb/s. I have no idea what technical specifications to look for in a cable modem to get 100% of full potential speed from my service without disconnects or other various problems.

I have a ATT U-Verse router sitting here right now, I am wondering if I can somehow connect it to my Comcast modem. I tried to connect the ATT router into Comcast modem via Ethernet cable, but I couldn't get past the "Your DSL service is unavailable" in the browser, but in my desktop system tray, it shows I am connected to the internet. If I could use this router, I would rather spend money on a modem instead of getting a combo.

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D-link Dir-655 :: Arris Docsys3 Modem From Comcast Which Has A Built In Wifi Router

Aug 17, 2012

I have an ARRIS Docsys3 modem from Comcast which has a built in WiFi router. I also have a DIR-655. The Modem is in my office and I have a 100' Ethernet cable running through my attic to my front room where the dir-655 is located.

I use the DIR for WiFi as well I have it connected to my TV and Xbox.I use the ARRIS Modem for WiFi as well I have it connected to another Xbox and a Desktop computer.I want to have everything on 1 network, Dir-655 uses IP address and the ARRIS uses ranges I want to be able to connect to the dir-655 and have the IP for that connection join up with the 10.0.0... network so that I will be able to transfer files freely throughout the network.

I want everything on one network. Right now when I connect a laptop to the DIR-655, I can not access the printer that is connected to the Desktop on the ARRIS modem. I have to connect to the ARRIS modems WiFi to then use the printer on the desktop.Likewise, I want to use the media extender on the Xbox connected to the DIR-655 with the Desktop connected the the ARRIS modem, but I can not because of the to different networks.

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Comcast - Align IP Addresses Using Wireless And Ethernet

Feb 7, 2013

I work in small office with four users and we use Comcast as our ISP. A separate room from the office has our cable modem. The cable modem has a Ethernet cable going to a WRT54G WAN Port. The WRT54G is not being used as a wireless router.Coming from the LAN ports is a Ethernet cable going to a Netgear switch.The office has Ethernet ports and one of them is hooked up to a Netgear WDNR3700 wireless router. All users are utilize the wireless network to get online. There IP Address is 10.0.x.x. When I use a Ethernet cable to a computer my IP Address is 192.168.x.x.

What needs to be done so the IP Addresses of the wireless network and wired network use the same IP Address range?

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How To Upgrade Comcast Modem

Oct 17, 2012

I'm looking to upgrade my SB-5100 Motorola Cable modem that I now rent from Comcast. My main objective is to increase my internet performance.

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Dec 22, 2012

We have purchased Comcast fiber EDI services. They run a fiber to our office and connect to a Ciena 3930 switch. The speed we have is 30 down and use for Internet. Comcast provide a /30 and /29 address. Do I need an additional router to route /30 to /29?  I only have a PIX firewall.

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Comcast Netgear WNR1000 Modem Won't Work

May 25, 2011

I cannot get my computer to recognize my Netgear WNR1000. I have called Netgear to explain the issue and was on the phone with them for 45 minutes.They did get the laptop to work but my desktop still does not. They told me it was a browser error. If I disconnect the ethernet cable from the router to my computer everything works perfect.I tried to reinstall the CD that came with the router and as I try to get through step 2 it says no router detected.I think this is my hold up but I have no way to know how to fix this. I tried to go on the Netgear website and they tell me that I have to be able to connect to the internet to download through the router. Well I can't do that because obviously that is the hangup. If I click on my Network Connections. It shows my computer connected to a Network with limited capability and then a big red X going to the internet.

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D-Link :: DIR 615 - Comcast Thomson Modem With VOIP

May 28, 2010

Life was great with my DIR-615 and Motorola Surf Board SB-5100 cable modem, but my D-Link refuses to recognize the Internet signal from the Thomson.  The Comcast guy spent an hour trying to get it to work, but I'm stuck watching on a 24" monitor in a stiff office chair in my study, instead of on a 47" LCD in my living room.  How can I force the DIR-615 to accept the Thomson ACG905?  If you advise me to check settings or manually change them, please do not "assume" that I know how to access those settings. 

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Cat 5 Cables :: Connect Comcast Modem In Wiring Closet

Feb 11, 2013

Moved into a home that has a wiring closet in the basement. Typical wiring closet setup, Cat 5 cables and Coax cables from the house outlets terminate there. There is a Suttle sam v8m voice distribution module installed. Looks exactly like the one in this user manual:Page 5 of 8, Wiring Diagram.URL,However, there is NO Sam D8 switch below installed in the wiring closet. The Cat 5 cables from the home outlets enter the wiring closet and plug directly into the Sam V8m.Can a comcast modem be connected to the Shuttle Sam V8m to make the Cat 5 outlets hot? Or, does the Sam D8 (or similar) need to be installed?

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Cable Modem From Comcast - Unable To Add Additional Port?

Jul 24, 2012

Our small business just moved into a new building and I am in charge of setting up the network infrastructure. I am not new to computers or networking but I have never had to deal with this set up before.

Our current set up.We have a cable modem from comcast that has the Coax cable connected to it.The modem has 4 ports on it. The ports are connected to a built in 24 port switch that was already in the building. The switch has it's ports connected to outlets in the walls. Currently we have 4 computers on our network and since the cable modem had 4 ports it worked fine.

What we need? We will have another person join our office so I will need to activate one additional port on the switch that already exists. However, since all 4 ports on the modem are already taken, I have no way to add an additional port. They also want us to get wifi in the building.How I think I have to solve the problem (most likely wrong).I have to get another switch (like 8 port) and connect the cable modem to the switch using a cross over cable (if there is no designated internet port). Since I have the modem connected to the switch, I will have to move the 3 remaining connections to the switch.

Then I connect the 4 remaining ports on the switch to the existing 24-port switch that is already there. I will use one of the outlets in the building to connect an AP for Wi-Fi for better signal. Currently the modem and switches are hidden in a closet away from the office space and would mess up the signal.

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Comcast Modem / Netgear Router - No Internet On New Desktop

Feb 15, 2012

I hav a laptop conecteted to the internet with comcast service and a netgear wireless router that works fine. but bought a desktop and when i hook it to the router i get no internet. im running windows 7 ultimate on both machines. i am gettin a thing saying unidentified network in my network settings and i called comcast whent through resetting the modem and router with them and nothing then they tell me i have to pay them to run another machine of of my router this is ridiculas i have the machine pluged into the port on the router with anethernet cable everything is hooked up right i know this im pretty computer savy as ive built many machines in the past.

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Good Modem And A Router Combo For Comcast Xfinity?

Oct 21, 2012

I switched to xfinity and I really don't feel like renting their gateway for $7 dollars a month. Gateways are crap anyways. So do any of you know of a good router and modem that can be paired up to work well with xfinity and has good speed?

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Cisco :: Access Separate Comcast Modem Administration Through Switch

Jun 28, 2012

We have a rack with a Cisco Catalyst 3750 that is networked with other racks in the data center and uses bandwidth from the data center co-location (which is also an ISP). We had a need to install a Comcast Business Class modem in this rack and want to be able to manage this modem remotely. What I have done so far is.

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D-Link DIR-615 :: Setup Two Wireless Networks On One Comcast Cable Modem?

Apr 7, 2013

We have kids in the house and I'd like to limit their internet access to certain times of the day but because of the great amount of devices they use (phones, tablets, laptops, etc.) the only way I could think of doing that easily was to set up two wireless networks: one that the adults could use 24/7 and the other that the kids could access during certain set hours.

Here's the equipment I'm working with:

DLink DIR 615 wireless router
DLink DIR 515 wireless router
Motorola Surfboard cable modem S85101U

I plugged the DLink 615 in, set it up for DHCP client and plugged it into the cable modem. I lef the default IP address for the device. On that router, I also reserved the IP address and assigned it to the DLink 515.I also gave the DLink 515 device the IP so I could administer it.I set the DLink 515 to static IP and made the IP and the default gateway plugged the DLink 515 into one of the LAN ports in the DLink 615.I set a schedule on the DLink 615 to shut down internet access to the DLink 515 at a certain hour and turn it back on at another time.Everything seems to work ok, but at least once a day we have to unplug and plug the routers to reset them.

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Linksys Wireless Router :: Set Up DPQ3925 Gateway Modem With Comcast?

Sep 21, 2012

I bought this wonderful voice gateway off the internet from someone. So not sure if they ever used it with Comcast.So far I hatve had no internet once I plug it to the cable. I have asked Comcast tech for activating this device. However they say it is not supported and they have tried sending it the Activation signal but they say it fails. I can see all lights lit up and go green when I connect this device to the cable, is there a firmware upgrade for DPQ3925 ? 

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Cisco WAN :: Connect Comcast Modem To 2800 Series Router?

Jun 29, 2011

I have a comcast business class cable modem and am trying to connect it to my cisco 2821 to route only certain types of traffic.

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ASUS AC66 Router Plugged Into Comcast Cable Modem

May 27, 2013

I've got a ASUS AC66 router plugged into my Comcast cable modem (regular dumb modem), it's running the Merlin (OEM-modified) firmware.I've got a Netgear 3400 router flashed with DD-WRT (latest build), it's a replacement for another N router that died on me.

Anyways, I went to set client bridge like always. Main router is so I set DD-WRT router as, set the wireless modes to client bridge with matching SSIDs for my 2.4/5GHz radios, input the correct security keys on the security page (AES), then I put the router in router mode (from gateway) Basically, I followed the instructions on DD-WRT's website, which worked perfectly until the other router died.

This time around as soon as the DD-WRT router reboots with its bridge information saved it immediately causes some sort of conflict on my network and kills the internet and all network connections. All devices lose their IP address. It's like the DD-WRT router is somehow shutting down the network and my default router.

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Belkin Basic Router Is Connected To A Comcast Modem But No Internet Access?

Nov 27, 2011

My neighbor is using my Belkin Router the basic one and has comcast. We both use his internet and have had no problems until the past 3 days. He just got the home phone service from comcast and the phone line is setup through the modem. Ever since comcast came to his apartment and set this up the home phone service to his modem the router is connected but there is no internet access. What is going on and how can I fix this. He has an HP with windows Vista and I have a Toshiba Satellite L675 that has Windows 7 Home premium edition on it.

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Linksys Wireless Router :: WRT610n 2 Networks From 1 Comcast ISP Cable Modem

Jan 12, 2010

I have a need to have 2 seperate networks from my comcast cable modem.I was hoping to plug a 5 port hub into the cable modem and then plug both the wrt610n and the wrt54g into the hub. Seem that only one of the routers will get an ip assigned from Comcast.Is there a way to have one ISP cable modem and create two different home networks with the two linksys routers, thus two separate independent networks?
-Network 1: public household use and family (Jane's wireless laptop, household PC's etc).

-Network 2: private household/company use and separate from the public family network (company wireless laptop/company PC, un-secure media server).

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Wireless :: Netgear Router Connected To Comcast Modem - Internet Access Failing

Mar 23, 2011

Every day for the past week my Internet access goes down. I have a netgear router connected to Comcast modem. I have to reset the modem then the router constantly and it gets irritating. I called comcast and they say reset them. But why should I have to constantly reset.... Sometimes I just ignore it and it comes back up later... what is going on??

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Linksys Wireless Router :: WRT160N Won't Hold Connection After Comcast Sent Signal To Modem

Aug 9, 2011

Comcast had us unplug our modem in order to upgrade to their new faster speed.  now our wireless router won't work.  We've reset the router twice.  we can set up the wireless network but we cannot connect to it.  The connection last for about 5 minutes and then we get an error, cannot read IP address.  Comcast says it is not their problem and linksys says they can't assist either.

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Jul 24, 2011

I have an RVS4000 V1 router connected to a Comcast Extreme 100 mbps cable modem.The port setting for the port (number 4) is 1000Mbps Full Duplex, auto Negotiate.why the RVS4000 is throttling the port?

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Wireless :: Comcast Wifi Connections Bump Internet Off Another Pc

Feb 17, 2013

When we got broadband through our cable provider (Comcast), we were sold a single user license even though we were explicitly connecting two computers.Upgrading to a multi-user subscription (for up to 5 connections) solved that.I'm currently trying to configure 4 computers to connect. I have noticed that if a configuration for one has WPA and another has WPA-2 they will bump.This may be true for differences in WEP-keys, TKIP setting, etc. If you do new configurations, the settings may revert each time to a default, which you may not notice.Keeping the network settings matched may work. Using a portable memory device to run a saved configuration on each machine can improve their synchronization.

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Apr 25, 2013

Currently have a linksys wrt54gs connected to an Arris TG852G/CT.  Currently getting poor speed via WIFI for Comcast Xfinity service.  The Arris modem is connected directly to the Linksys Wireless Broadband Router via Ethernet.  It lists the linksys broadband router as unknown device and does need utilize the 54 mb/s g standard available on this device.  I have updated the firmware to 1.52, reseted the Arris gateway to factory defaults, and reset the linksys to factory defaults as well. The IP  address is for the linksys/ for the Arris gateway.How do I improve connectivity between the Arris Gateway and the LinkSys broadband router (model WRT54GS ver 6.0)

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Jan 16, 2013

I want to connect my tata photon device to my bsnl wifi modem via a usb portavailable on the bsnl modem. This is to provide a wifi network that i can use to surf the net on my phone.

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Sep 7, 2012

realtek RTL8168/8111 ethernet Family PCI-E gigabit ethernet the question is written as above.can i use it to connect to internet in wireless?

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May 29, 2012

Region : Ireland
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I have my router updated with the latest firmware and I'm pretty sure all the settings are correct but I'm only getting a max transfer rate of 144Mbps. I know this because I use InSSIDer 3 to analyse my wifi network etc. I stream movies over my network and while DVD quality movies play fine, HD movies tend to freeze and buffer a lot. I have the router's channel width set to 40Mhz, so I know that's not the problem. Strangely, I also use a Netgear wifi extender with the MR3420 and it's max rate is 300Mbps.

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Dec 15, 2012

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Nov 23, 2012

Region : CzechRepublic
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Firmware Version :
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I have a modem ANY DATA ADU-520L and I would like to know whether you are considering supporting this modem in your router?

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May 3, 2012

Have a potential customer that is looking at the IE2000 series switch and at the Rockwell Allen Bradley switch
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Aug 1, 2011

My laptop connected to the LAN for internal access, the LAN is limited access ( limited permission for internet connection), so I bought USB Modem. But when i connect to USB modem I lose my internal connection. ( I want to use LAN for internal access and USB Modem for Internet access at the same time)

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Apr 4, 2012

I seem to be having a problem connecting to the internet via ethernet cable that goes directly to a router. I am currently running off of a crappy wireless card. Ive checked my drivers with device manager and that yielded nothing. I recently reinstalled windows 7 and thats when the problem started. My motherboard is a Amd Athlon II x4 640 (Socket AM3) GA-M74GM-S2.

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Apr 3, 2013

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Does this modem support NAT Loopback? I can't get it to work.If so, why not, can we have a firmware that supports NAT Loop back?

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May 2, 2013

Region : India
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