Sb6120 Modem - Wired Is Always Going To Be Faster Than Wireless
Jan 6, 2012
Just got cable and new hardware and been running bandwidth tests. I know wired is always going to be faster than wireless but was wondering if there were things I can do to see where the bottleneck is.
I have cable internet with a sb6120 modem and the asus rt-n56u router. When I go wired, I get 40+mbs down and when I go wireless I'm getting approx 20mbs down. Dont get me wrong, this is more than adequate but was wondering why the huge difference. I'm not anywhere close to the theoretical max.
The rt-n56u is on firmware 1.0.1.7f which is current. My desktop uses the WMP600n and my laptop has the Intel 5100 AGN built into it - both have updated firmwares.
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Mar 6, 2011
If i go wired i get 100mbps on both my laptop and desktop unit if i switch to wireless they both go 135 to 150 mbps any ideas? both units have megabit cards. My laptop i use at work at 1.0gbps no problem. It doesnt change no mater where i plug into at home or with different cables same speeds
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Oct 21, 2011
I called up the ISP and had him activate the Sb6120 modem.The Dir-655 will not link up with the Sb6120 unless I drop the WAN port speed down to 10MB. Then it will connect. (the light on the modem will come on). I thought the modem was bad so I had the ISP deactivate that one and we tried another Sb6120 samething.I did the firmware update on the Dir-655 to current but samething.
Firmware Version :1.35NA, 2010/11/12
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Sep 18, 2012
Can I access my Motorola SB6120 SURFboard DOCSIS 3.0 eXtreme Broadband Cable Modem while remaining behind my pfSense router?
My LAN Subnet is 10.0.0.1-254.
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Jun 19, 2011
why my wireless connection on my laptop is significantly better than my wired connection to my desktop. Internet ran just fine on the desktop at my old apartment; got to the new place, and now it's having serious issues.
After working on this problem for a while, I have come to the conclusion that for some reason, I am getting serious packet loss, consistently, at a particular "hop" on my desktop, which is not present on the laptop.Here are the Line Quality tests that illustrate the problem better than I could ever describe it in words:
Laptop: Line quality test packet loss and latency | DSLReports.com, ISP Information
Desktop: Line quality test packet loss and latency | DSLReports.com, ISP Information(and it appears they both fail the initial test, but the laptop connection runs just fine).
So at that one specific hop (ae-1-0.cr0.chi10.tbone.rr.com, I have no idea what that means), my desktop connection suffers serious packet loss while the laptop is more or less OK.This discrepancy is evident in the quality of connection on my desktop, while the laptop runs just fine. Here, in summary, is what I have tried:
-Going wired through laptop using same cables, ports, and router as desktop: laptop performs flawlessly.
-Updating router firmware, NIC card drivers, and Windows on the desktop
-Full virus disk scan and boot scan using Avast; full malware scan using Malwarebytes; Windows disk defrag
-Disabling QoS packet scheduler
-Performing netsh /flushdns; winsock reset; ipconfig release, renew
-(Temporarily) disabling Antivirus program
All of these actions together have made the desktop connection USABLE... however it is by no means an acceptable level of quality for a cable connection, and not nearly as good as any other in the apartment gets using the same connection, whether wired or wireless.The only visible difference I can find between the laptop and the desktop is the packet loss that is present at that one hop in particular, which is extremely debilitating for the desktop's connection.
Further info:
Desktop specs:
Realtek PCIe GBE Family Controller NIC (onboard on the mobo)
Windows XP Home Edition Version 2002 SP3
Intel Core 2 Duo E8400, 3GHz
2 GB Ram
Plenty of Disk space
Router:
Belkin F5D9230-4 Wireless G Plus MIMO Router
Here is the previous thread that details my troubleshooting efforts thus far; as the question has now become something entirely different, I thought it more appropriate to make a new thread.
Wiresless faster than wired connection
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Jun 22, 2011
I can't get my PC to connect to my broadband. I am running windows 7 64 bit and use the following:
Motorola Surfboard SB6120 modem;
NetGear WGR614 wireless router
I am able to connect with other devices (iPhone, Roku) to my wireless through the wireless router. My computer recognizes the broadband connection, but it won't connect to it. I get two errors when I try to connect:651: the modem has reported an error, and 638: the remote server is not responding in a timely fashion.I have tried connecting the ethernet cable directly to the modem, but I get the same results.Also, I have tried to cycle down the computer, router, then modem and turn them back on in reverse with no change in results.The connection worked until I clicked "disable connection" one day when I had trouble connecting (high traffic i think). Since then, the"home group" I set up originally with the connection wizard disappeared, and it had not been able to connect since then. When I try to connect I click on a small icon in the lower right that says, "not connected, connection available", then I click on the button to connect to broadband and get the errors described above.
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Sep 18, 2011
I was working with Motorola SB6120 cable modem regarding an odd power cycle issue (it would power cycle randomly for 24 hours). While trying to diag the issue, I was taking a peak in his router config and found a port set to forward as:
Application: Comcast
Port From: 888
Protocol: Both
IP: 192.168.100.1
Port To: 80
I understand that his modem admin page is now available from the internet. He said his friend set this up to "modem", but I don't see any advantage of having this done. At this point what are the other advantages of forwarding such ports?Another key note: When the port forwarding was disabled, suddenly the power cycle issues stopped.
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Sep 29, 2012
am having speed issues on the wireless side of my WRT54GL v1.1 router.When I hook up a laptop to the wired port, am getting roughly 5.4mps down when wired, but only 1.2mpbs down on wireless. I am tried doing a factory restore. I have made sure that no QoS is in place. I have tried multiple devices to make sure it is not something on the device side causing this problem, but all the devices perform just as poorly on wireless but as well on wired.
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Jan 11, 2012
I just got an E1200 router and connected wired to my win 7 machine, Im clocking in the single digit ranges (~8 mbs) download but on my dusty old win xp laptop wireless, Im getting 20 mbs (max speed from isp 20 mbs). Wife's Mac laptop wireless, same speed. What is going on? I updated the firmware, tried altering some settings based on other entries here suggested (WPA-personal, channel to "6") but no effect.
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Aug 18, 2012
My current home set-up is two desktops on Xfinity internet, using a MOTOROLA SB5120 modem pared with a WRT160N V3 router.I was told that my router was bottlenecking my download speeds. It is quite annoying when we can't download anything because it will slow any gameplay going on, we have to do one thing a time. Even Youtube videos will slow us down.[code] would I benefit from getting a new modem or router.
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Mar 24, 2013
I just upgrade my service with Comcast so I can now get up to 50Mbps, however the modem when directly connected to the PC can obtain these speeds, it does not when the PC is connected to the E4200 router. In fact the Cisco Connect speed test shows the upload speeds (10+ Mbps) to be faster than the download speed(4.82 Mbps). I upgraded the firmware to the latest level but it did not make a difference.
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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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Oct 19, 2011
So I just noticed on my Cable modem the link light is blinking orange, per Motorola if its blinking orange - Computer is connected via a 10 mbps or 100 mbps Ethernet port.
On the Linksys E4200 status page it says
Internet Port Speed:
Internet 10/100 mbps
Local Port Speed Port 1 - 1Gbps
Maybe I just noticed this with this router, but I'm pretty sure this didn't start happening until I updated to 1.0.03.
Previously the link light was blue indicating a 1Gbps connection.
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Dec 2, 2012
How to connect wireless modem in place of wired modem
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Jul 26, 2012
I have a wired ADSL modem+router, and also a Linksys WRT54G2 V1 router. How do I connect them such that I get a working wifi available?
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Aug 12, 2012
I've been using D-Link DIR-600 wireless router for two months with my ISP, SmartBro. A week ago my internet went down due to heavy rain and technical support had a home visit yesterday to re-activate my internet connection. My net connection came back smoothly using a direct connection from modem to laptop.When I tried to connect the modem to my wifi router, the internet was not detected. Even if I reset the router settings, no internet connection was detected. Initially, I thought there is a problem with my wifi router so I connected the modem to our Edimax wired router but still it could not detect internet access. Every time I open a browser while connected to a router, this message is shown (see attached screenshot).
I tried using another ISP, Wi-Tribe with both wired and wifi routers and everything worked well. So now I assume the problem lies with my SmartBro ISP. I called the ISP hotline but they told me that they do not provide support for router connection problems; only with single, direct connect to a PC.I asked a neighbor IT technician to look into my problem but he too could not solve the problem.
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Dec 19, 2012
My boss is been looking to expand his side business of trading online. He asked me to look into finding him the best and fast router possible that would give him the best speeds possible. He is currently using the asus black diamond router and the Motorola SB6120 modem but would like to know if there are better options, spending a few hundred on a router isnt a big deal. He also wants to know if there is anything else he can do with his pc, like network card or modem.
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Oct 15, 2012
I'm attempting to connect multiple computers, laptops and printers to the same LAN. I currently have the switch daisy chained to the modem. I'm having issues with conflicting IP addresses and wireless access. I think I have to create static IP addresses but don't know which nor how.The hardware I'm seeking to have on one LAN:
- Netgear CGD24G Cable Modem from Time Warner
- Netgear GS116E un-managed switch
- iMac OSX 10.8.x
- Dell PC desktop, Windows 7
- Sony Vaio PC desktop, Windows XP
- Dell PC desktop, Windows XP
- Sony Vaio laptop, Windows 7 Pro
- MacAir OSX 10.8.x
- MacBook Pro OSX (not sure which OS version)
- HP JetDirect 300x Print Serve (hooked up to HP LaserJet 2300)
- Epson Artisan 835
- Netgear Universal Adapter for Home Entertainment (SAVB5004)
- Netgear Powerline 500 Nano
- Apple iPhones (4 of these)
- Apple iPad
Several of these can work wirelessly, though I prefer wired whenever possible.I have been getting IP address conflict notices as well as the wireless signal not being received on some of the wireless capable devices, which seems to be random but it could be that I just don't know enough to recognize a pattern. I believe the devices are all set to automatic assignment of IP addresses.What is the correct way to daisy chain the cable modem and switch?What is the correct protocol for assignment of IP addresses in order to avoid IP conflict?Why does my wireless drop on some of the wireless-capable devices (such as the iMac, MacAir or Sony laptop)?
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Oct 13, 2011
I am using the WRT54G2 connected to a cable modem that requires a PPPoE login. I followed the Service Providers instructions and cloned the modems MAC address to the WRT54G and setup the PPPoE user id and password. I can then plug my PC into one of the Ethernet connections on the back of the WRT54G and everything works as expected. First I connect to the WRT54G2 and then I open a PPPoE connection in my network settings and it logs into the service provider and everything works as expected. But when I connect to the WRT5G2 wirelessly I connect to the AP fine. When I open the same PPPoE connection to the service provider it fails, the message says I have the wrong userid or password or that the protocol is not supported. Of course I know the userid and password is correct because it works when connected with Ethernet cable. I have tried disabling the security on the wireless network but that did not seem to work.The modem is a HomePNA HCNA Voice Endpoint.I am at the latest firmware 1.0.04.
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Mar 11, 2013
I tried restarting the router and the computer, but to no avail. I've also tried with another ethernet cable and tried several ports, but that did not work, either. What is interesting is that other computers in the household connect to the router via wire without problems. I suppose that means something's wrong with my computer, however, I do not know what. I have a netgear router which says "N300 Wireless ADSL2+ Modem Router DGN2200v3" on the back. My computer has Windows 7 Home Premium installed. I'm using a DSL connection, and Avast! antivirus.
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Dec 22, 2010
1. Our Motorola SB6120 popped out of existence today; FYI, this was plugged into a brand new APC UPS unit (which does not have coax/cable suppression features).
2. Previously (past days), one interesting thing I have noticed is excessive amounts of distasteful electrostatic shock when working in the closet and touching the metal bearings of the cable & wires. Is the cable not grounded properly, and is it the cause of #1?
Recommend me a surge protector/suppressor strictly for cable (do not need outlets/ethernet/rj45/etc).
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Aug 4, 2012
I'm setting up Blast! Comcast/Xfinity internet (50mb/s) using an SB6120 modem and a linksys E3000 router. I haven't done anything yet, as i haven't received the modem in the mail yet, but i want to be prepared and knowledgeable when it all arrives. Here are my questions I've heard that running this router/modem setup on the N band at 5Ghz provides the best signal strength. How do i configure this? The main goal is to take advantage of as much of the 50mb/s as i can (i know this number is not practical due to overhead estimations etc).My newly built desktop has one free PCI-E slot (the other is occupied by my EVGA GTX 670) and 1 or 2 PCI slots. What's the best option to give my desktop wifi capabilities (pci card or usb adapter) in order to maximize signal strength? I'm about 10 feet away from the router, a door separates the computer from the router.
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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 ......it's not as fast as a Cat 6 cable.
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Aug 10, 2011
I am about to buy an internet ready TV. I want to have a wired connection between my modem and TV (more reliable & performant than wireless I believe). Distance from telephone point to TV is about 8 metres. Should I put the modem near the telephone point and have a long ethernet cable, or put the modem near the TV and have a long telephone cable? Or will it make no difference?
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Jan 11, 2010
I just bought a new WRT120N Router. It worked perfectly wired and wireless.But my old laptop burned, and the new one came with a Atheros AR5B93 Wireless Network Adapter, which is Draft-N compatible.The laptop connects to the router fine, but using only the G type. When I set the router to use only 802.11n, i get a message from Windows, like: "Windows was unable to connect to the network."because the N configuration is much faster than the old G.
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May 21, 2013
I have two access points that I recently purchased from ebay. I updated them both to c1140-k9w7-mx.152-2.JB and I have been unsuccessful at getting either of them to connect at faster than 39MBps. After scouring google for answers I found several with the issue of not using the correct WPA2/AES configuration and that was me. However after changing the configuration, I am still unable to connect to either of the APs at faster than the 39Mbps. [code]
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Aug 18, 2011
Is it "possible to create a WiFi" or make my desktop using hardware connection, a hotspot? (Without buying a wireless router/modem/card) I mean, is there a tweak or program I can download to configure my desktop running on Windows 7 to create wi-fi? The reason why I'm interested in this it's because, for Bluetooth, it's possible. Just wondering if they have the same nature with WiFi (In terms of configuration and tweaks)^,
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Sep 30, 2011
was wondering if i go wired but through the router is it still being effected by the extra step or is that only going to effect wireless? asking because my wife is wireless but barely gets on, so if im about to do something intensive online would it be worth bypassing the router and plugging straight into the modem
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Dec 9, 2011
I have the AE1000 adaptor on my wife's computer and direct wired on mine is the E2000.The e2000 is set to 2.4mhz and when connected to the wireless network, my wifes ae1000 shows it is connected at 144mbps.When I change the e2000 to 5.0 mhz and then my wife connects to the internet, she shows the ae1000 at 16-53 mbps. When I switch back to 2.4 she shows 144. I thought that when the e2000 is connected at 5.0 she should have a "faster connection".
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May 18, 2012
I recently borrowed a friend's desktop and I am having issues with connecting with the router through an ethernet cable. I go to troubleshoot the problem and I get "Local Area Connection 2 doesn't have a valid IP configuration". Its nothing with the router because when I plug my laptop in with the same ethernet cable, I am able to connect perfectly.
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May 7, 2012
Some background on a scale of 1-to-10 with 10 being Sheldon Cooper and 1 being a computer less grandparent, I'm about a 6. I'm home from school for the summer and trying to access my parent's DSL by adding my router as a middleman. I tried the basic hookup (wall->modem-->router-->computer) using a Motorola MSTATEA modem and a Cisco E1000 linksys router
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Feb 23, 2013
I have 2 mbps line with D-link modem shared by 2 persons through wire. Sometime I feel that my client is using more band width than me so I want to know is there is any way I can control the speed of my client.
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Oct 29, 2012
I have a Netgear WNR3500L wireless router. I assume it's v1 because on the back it doesn't have "v" anything. Firmware version V1.2.2.44_35.0.53NA.When I connect using g I get 22+Mbps download speed. When I connect using n I get 10 Mbps. I've tried using both WPA2 only (laptop reports 130 Mbps connection I believe) as well as the combo WPA+WPA2 (laptop reports connection of 117 Mbps).Broadband download results don't change - they stay at the 10 Mbps level. I've fiddled with some of the settings on my laptop's wireless card - but the results are the same.For now I'm just trying to figure out where I should focus my investigation and fiddling efforts - on the laptop or on the router.
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