Best Settings For SBG6580 DOCSIS 3.0 Modem?

Aug 15, 2011

i just recently upgraded to Road Runner Extreme which Uses DOCSIS 3.0 SBG6580 Modem and i was wondering what internal settings i should use to maximize my speeds and online gameplay. I'm running a Ethernet line into my Xbox360 and wireless for my laptop. Also, i was told that Road Runner Extreme would get me 35Mbps downstream and 5Mbps Upstream, yet these are the speed test's i'm getting [URL]


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Aug 16, 2012

I have 1 EuroDocsis modem and 2x 1130AG wireless things.How do I manage to get this connected to each other wirelessly?The  internet is allready configured at the EuroDocsis modem and I now want  to distribute it wirelessly to both 1130AG's. The EuroDocsis is using  WPA2 PSK.I read something about WDS, but I don't get that to work either.

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Mar 9, 2012

if my internet carrier supports both, why should I spend a little more to get a cable modem that has DOCSIS 3.0 support? What's the benefit over DOCSIS 2.0 (or 1.0)?

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Sep 3, 2011

I just got a Motorola SB6120 SURFboard DOCSIS 3.0 eXtreme Broadband Cable Modem and the box didn't came with the Ethernet cable inside to connected to my router .Now... I been reading in some places that it came with a (Patch cable) and in the User guide it says ( Ethernet cable) and then I found out that it says ( Interfaces 1 x Modem - F connector,1 x Network - Ethernet 10Base-T/100Base-TX/1000Base-T - RJ-45 ) So ... I found that, that kind of Ethernet cable it's a "crossover cable" So...I'm a bit confused here now .I read that this kind of cable it's a "Cat 5e(nhanced) cable" ; But's not as fast as a Cat 6 cable.

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Nov 11, 2011

I forgot password for my modem settings. I changed the default 'admin' 'password' for security reasons but now I forgot it.Without it I couldn't even change WEP Key to connect wireless. I'm using Compex WRL254G All in One Router/Modem.

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Mar 3, 2013

I currently have a pc, iMac, PS3, a win7 laptop, 3 phones in the household.Till very recently i have been using a dlink dir615 wireless router as i had a wimax connection.I have changed ISPs and now have to get internet through a ADSL modem..i have just bought a Dlink N300 ADSL2+ modem...i need to have all settings exactly the same (or with minimum hassles) to change over the connections.getting all the devices to handshake on the network especially the mac and pc was not the easiest thing so i don't really fancy doing it again...

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Oct 8, 2011

Got a Belkin wireless modem router some 18 monthes ago, and after a bit of a struggle managed to set it up. It worked fine, aside from the odd depower repower. For some reason, it just stopped working yesterday. I initially checked all my cabling etc and everything seems fine. I next tried resetting my modem/router to factory settings. When I tried to install the Belkin software I fell at the first hurdle with a message saying "The setup assistant is not able to connect to the router". After googling my issue, I followed others advice and running the cmd setting and typing in "ipconfig" only to find that my media state was disconnected.

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Mar 31, 2012

can i connect to internet without settings in modem is dat possible?

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Feb 5, 2012

I've a Shiro DSL805E Modem and to connect to multiple computers, I connected an Encore 5 Port Switch. Now I got laptop and thought of getting a wireless network, so I bought TP-Link TL-MR3420 Wireless Router and connected it to the one of the wires from the Encore Switch. But I'm unable to access the internet through TP-Link Router but the internet works fine for the computers which are directly connected to switch. how to do ip settings for TP-Link Router. But when I connect router directly to modem by bypassing switch, it works fine but not via switch. I have some restrictions due to which I have to strictly following this sort of connection: Modem -Switch - Router

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Jan 6, 2012

I am very new to port forwarding and firewall issues. I have been told that the software issue that I have probably is a router/modem issue as every other possibility has been ruled out. I have a Westell 7500 modem. How do I access, set or change settings on it? And, which is the better modem, a Westell 7500 or a Westell 327W??

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Linksys Wireless Router :: Port Range Forwarding On Cisco DPC3827 DOCSIS 3.0

Jan 26, 2013

I'm trying to make the server work for minecraft and I have the port number for the port which is 25565.I just need to know where exactly to enter this information. I also know that the protocol is supposed to be set for both tcp/udp.
So basically I guess my question is, where exactly do I put the port number if the one given to me was 25565?

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Feb 26, 2013

We have a Comcast business class cable modem with a static IP address. There are two devices hardwired to it; a server and a Linksys WRT610N, The server is hardwired to it with port forwarding set for ports 21, 80 and 5900. It works perfectly and can be reached as intended by the outside world but not by our own network. Our Linksys WRT610N is hardwired to the modem. All computers on the wireless network see each other and can access the internet perfectly. So all seems well enough. BUT, no computer on our network can reach our server. Using the domain name or VNC connections from inside our system results in time outs and no connection.

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May 15, 2011

I try to change modem speed from 1200 to 19200 on aux 0 interface.But I can't save the settings using "write memory" In show running-config, I can see modem speed successfully changed.
Cisco3825's OS information is here. c3825-spservicesk9-mz.124-25b.bin

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Apr 16, 2013

I had an WRVS4400 (but didn't use the wireless), it it died. I'm replacing with an RVS4000. I have all the settings from the prior router, but my question has to do with the DSL modem in use in conjunction with the router, because (in my absence) my wife had a conversation with SBC, trying to use the hook to the modem directly and ended up altering settings on the modem that may affect the RVS4000 when I go to install it upon its receipt from Amazon tomorrow.
We have a business that uses a third party software vendor's website; their servers access our data on our server behind the router.  So we use a static IP address, and port forwarding. No problem there. But I could have sworn that, with the WRVS4400 we used to have the modem configured as bridged; as of this morning, the modem shows PPPoE, and my wife can't recall what SBC had her do in that regard!
So, for the situation I've described, should I put the modem into bridge mode (and porting it into the RVS4000). Like I said, we have a static WAN IP address, and a range of more static IP addresses. 

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Belkin Routers :: N750 Required Settings For Cisco DPC3008 Modem

Jan 20, 2013

Recently switched DSL providers and now have Cisco modem DPC3008. Able to connect to internet directly thru modem. Able to connect wired or wireless to router. Unable to get router to connect to internet via modem. Tried restart, reset, and new set-up. Called ISP (Charter) - no way, said contact Belkin.

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Feb 24, 2012

Comcast service went down in our neighborhood and when it came back up my internet was down and all five LED lights on my Linksys router are solid green. Tech support tells me that I have to reset the unit to get it to function again.It's been a very long time since I set up the home network and while I'm pretty sure I can make my way through setting up from scratch (I'm assuming resetting goes back to factory settings)  I was hoping there was a way to reconnect the router to the modem while retaining all the current security and settings.

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Should A Wusb54gsc See Signal From A Sbg6580

Feb 23, 2012

should a wusb54gsc see signal from a sbg6580

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SBG6580 Will Not Connect To Network?

Jan 3, 2013

Model SBG6580 dropped offline last night. I called Charter my ISP. The Modem IP address has changed. I get no internet connectivity. Computer appears to connect to the network but ID' s it as an unidentified network. I have tried to connect both WIFI and wired.[CODE]

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Aug 12, 2011

I want to connect to the Internet small office where docsis (internet over tv cable) is used as WAN.For similar tasks but other WANs (adsl, dial-up) I used 800 series. But now I can't find anything in this series to solve my issue. There is 815 but it has no wi-fi.
I can use cable modem that my ISP gave to me: this modem acts as bridge so I can use router with FE-based WAN but it is better to have one device instead of two.

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Mar 23, 2012

I recently got the sbg6580 an want it to work in bridged mode with my linksys wrt54g router. The problem is everything that is connected wirelessly like my Xbox or iPhone are connected to the Internet but my desktop pc which is a wired connection won't connect to the Internet.When I directly connect the modem to my desktop it works fine.

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Where To Find Network Security Key On Sbg6580

Apr 10, 2012

where do i get the security key

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Sep 11, 2012

I have a broadband Motorola SBG6580 cablemodem that feeds internet into my main home computer via a cable. The modem is also a wireless router.The modem is in an "office-room" inside my house. The main bedroom is located about 25 meters, with two bedrooms in between the office-room and the main bedroom.I broke a leg so I figured I could work on bed, but I have this problem: the signal from the motorola wireless router is so low at the main bedroom that the connection drops all the time. Oddly (or maybe not), I can see like 10 other access points, presumably from my neighbors, all with a full signal. And I live in a "full-floor" apartment so I only have neighbors above and below.I connected a linksys WRT54G2 that I have and I get the exact same problem.

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Motorola SBG6580 / How To Change The SSID

Mar 12, 2012

Motorola SBG6580, How do I change the SSID?

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SBG6580 Private LAN Subnet Conflict

Jun 28, 2012

I have a Motorola SBG6580 wireless gateway/router and am happy with it in general. I had a 192.168.2.n subnet with old Linksys but I find that I cannot change the MOT from its pre-set 192.168.0.n net to the because it conflicts with a "private LAN" in the same range. How do I change the provate lan to, for example, ..9.n so I can use the ...2.n net? I'm running with the ..0.n now, just fine, but, I VPN into office and primary net there is ..0.n and so is confusing with IP shortcuts/conflicts. how to make the change?

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Motorola Sbg6580 Configured With Vonage?

Dec 9, 2011

Can the SBG6580 be connected to the Vonage router and function?

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No Internet Access After Connecting To Sbg6580 Gateway?

Mar 4, 2013

Acer aspire 7741Z-4633 with windows 7 connects wireless to sbg6580 gateway that was just installed, but no internet access. able to connect other devices.

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Run Motorola Sbg6580 With A Netgear Wndr4500 Router?

Apr 26, 2012

I have time warner internet service and just upgraded my service to their extreme internet. In doing so I had to change my modem to a docis 3.0 modem; the motorola sbg6580. Its a modem that has a router and wifi built in but its really bad and not nearly as good as my net-gear router.

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Oct 2, 2012

Since the new cable company won't let me use my SB6141, I need to pick up a new cable modem. One that works with Oceanic TWC is the new SBG6580. It has wireless built-in; however, I don't want to use it. Is it possible to use this modem and leave the wireless off? Or does the wireless automatically turn-on whenever the modem is on? With all that said, is the built-in wireless any good? I recently purchased an ASUS RT-56 and would prefer using it to some built-in system.

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Motorola Surfboard SBG6580 / 2nd Computer Keeps Randomly Disconnecting From LAN?

Oct 12, 2012

I have a 2nd computer wired up to my modem, but the LAN keeps randomly dropping every 2-5 hours It never drops for my main computer.I tried swapping cords and ports, but it still disconnects, while my main computer remains connected The internet worked fine when connected to another modem in another house.Do you think this is a problem with the modem or Windows7?I hard-reset the modem to factory settings, but it still happens.the modem is a Motorola Surfboard SBG6580

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Adding Belkin N Wireless F5D8236-4 To Motorola SBG6580

Jan 7, 2012

Looking to add my belkin wireless router to Sbg6580 router as an access point to extend wireless. I've read up enough to understand the fundamentals - LAN to LAN, changing IPs, turn off DCHP etc. - but am confused by a couple of things.

First, belkin faqs says to Open the router page, click on "use as access point" (I get that) "Select Enable" (I also get that), and then it goes on to say "This will give you the options to set the IP Address and Subnet mask for the router.**These settings should match your existing network settings; by default the IP address will be set to and the Subnet mask will be". Does this mean to set the IP address of the Belkin to that of the Motorola (which is on this page?

Then the FAQ goes on to say access the LAN and "change the IP Address to something such as or you can use**As long as the first three sets of numbers match your existing network, you will be fine". I thought the LAN IP address should fall outside the DCHP range of the Motorola? So if the DHCP range for the Motorola is through then I'd assign to the Belkin?

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Motorola SBG6580 / Using A Gateway As A Access Point / Router

Mar 16, 2011

I switched to comcast internet recently and got a new modem. The modem is the telephony Arris one, but the problem is that I already have a Motorola SBG6580 but can not use that for my wireless laptop options. I want to be able to use the SBG6580 as my access point and LAN, but it isn't allowed any internet to share wirelessly?

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Motorola SBG6580 Where To Download Software To Configure Network

Jun 30, 2012

I am missing my Installation CD, where I can download the software to configure my network (rename, etc.)?

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Motorola SBG6580 Surfboard :: Port Forwarding Minecraft On This Device

Jul 30, 2012

How do you port forward Minecraft on a Motorola SBG6580 because I tried it and it didn't work I really want to have my own minecraft server,Dont say to go to because I tried it and it didn't work it says the port is still closed when I check it on

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Linksys Wireless Router :: SBG6580 And E4200 - Connection Keeps Dropping

Feb 4, 2011

I just got an E4200 and have a SBG6580 cable modem. I cant seem to set this up properly and my connection keeps dropping. What is the proper set up ? I would like to configure it so the cable modem handles the DNS and the E4200 handles the wireless.

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Motorola SBG6580 Gateway Acting As Router / Wireless Access Point?

May 4, 2012

I cant seem to to connect to my nintendo i have a motorala surfboard SBG6580

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Aug 23, 2011

My Motorola SBG901 Modem/Router combo has stopped connecting to the internet. I have done all the troubleshooting with Comcast and with Motorola and it is out of warranty, so I will have to purchase a new one.In the mean time, I wanted to use it only as a wireless router connected to my Scientific Atlanta DPC2100R2 modem. Is there anyway to do this? Is there a way to disable the modem in the SBG901? Simply connecting with the ethernet cords has not worked. I connected the DPC2100 to the SBG901 via ethernet cord. My computer was able to pick up a wireless connection but there is no cable connection.

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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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Setting Up A Modem / Router Combo (D-Link DSL2730-B) As A Dedicated Modem?

Feb 28, 2013

i just bought a Netgear WNDR4000 router due to troubles with my current modem/router combo (D-Link DSL2730-B). The router doesnt have in built modem functionality obviously so I need to set up the modem/router as a dedicated modem.Also should I use the current modem/router as the dedicated modem or an older model i own (I think its a DSL 502T)? Because the current one often drops the internet connection. Don't know if its a problem with the modem functionality or something else. Will the older one serve better since i didn't have any problems with that one or will it be outdated? I only upgraded due it not having wireless capabilities. Otherwise it's fine.Or will I be even better off buying a dedicated modem? I really don't want to spend more money but if this is a far better alternative I guess i will.

EDIT: Ok so found out that I have to put the modem/router in bridge mode in order for this to be possible. However, looking up how to do this lead me to a dead end because i need to fill in some fields that i have no idea how to interpret.

VCI: These 2 already came with presets. Should I just leave them?
Select DSL Link Type (EoA is for PPPoE, IPoE, and Bridge): Choices of EoA PPPoA and IPoA
Encapsulation Mode: Choices of LLC/SNAP-BRIDGING and VC/MUX
Service Category: UBR without PCR, UBR with PCR, CBR, Non Realtime VBR, Realtime VBR


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Broadband :: Connect A Modem / Router To A Cable Modem?

Feb 7, 2012

I have a cable modem installed to my property but want to use my modem/router to go wireless. The proble is my cable modem output is a RJ45 and the router input is RJ11.

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Jul 5, 2012

my computer randomly disconnects from my modem and will not reconnect until I restart my computer (do not need to restart modem). When I check the modem, it always is still running. The lights on the modem do the exact same thing whether the internet is working or not. The disconnection is entirely random. Sometimes it will disconnect immediately, sometimes it will take up to a few hours. I do not have a router hooked up to the modem, and the only other thing the modem is hooked up to is our tv. But even when the tv box is off, we still randomly disconnect.

On the previous forum thread that I read, some of the comments asked for the person to paste their entire ipconfig and their entire ping list from command prompt I will post that below: [code] Could it possibly be a virus? I am currently performing a virus scan using Microsoft Security Essentials. I will report the results of that tomorrow, seeing that it will take several (up to 10) hours to finish and it is nearly midnight of me posting this.I should also note that whenever I unplug my Ethernet cord it gives me a symbol that looks like this other than the regular disconnect with the red "X" over the wire symbol.

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Jan 6, 2013

I'm switching to cable internet service instead of DSL. My Netgear router will not work with my cable modem; but it works like a charm with my DSL modem. Is it a problem with the router setup? Good thing I still have the DSL service.

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Mar 15, 2012

I have Desktop and Laptop connected to a Huawei-make,Model No Smart AX 882, ,via ethernet & USB port. Is it possible to convert the same ADSL wired modem into a wireless modem for my Laptop. the type of hardware to be used (e.g., wireless access point or a wireless router) through my USB port in the wired modem? what is the configuration change I have do in my wired broad band modem?

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Feb 26, 2013

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Dec 28, 2011

Where can I find my wep settings?

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Dec 17, 2011

I have posted on other sites as well everyone says to use Qos but they dont tell me how.I would just like to be able to limit my brothers bandwidth not just programs. We both use laptops, I use Ethernet, he uses wifi. My router does not have a wifi speed setting. I have tried multiple times to try and set up Qos on my own but it has not worked at all

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