D-Link DIR-655 :: Motorola SB6141 Link Speed LED On Cable Modem Never Glows Blue
Feb 26, 2013
when I connect my DIR-655 to the Motorola SB6141 cable modem I notice that the link speed LED on the cable modem never glows blue indicating a gigabit connection, it only glows amber indicating a lower negotiated speed. I am using a Cat6 cable between the two devices and have also tried a Cat5e cable.
When I try and force the WAN port speed to 1000Mpbs in the router interface the cable modem link speed will not light at all with no connectivity. Only resetting to Auto WAN port speed restores functionality albeit at the lower negotiated speed setting.
I'm running the DIR-655 rev B1 at 2.03NA firmware level.
I did connect the modem directly to my PC that uses an Intel Gigabit ethernet card and still had the lower connection indication (Amber) so it seems that the modem might be faulty.
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Feb 13, 2012
I've been trying to connect my D-Link DIR-601 router with a Motorola SBG901 cable modem. The modem itself has a built-in WIFI (G) and one ethernet port, but not good enough for my purposes. I need more wired connections and an (N) WIFI connection, which the D-Link could provide, if I could get it to work. I just cannot get the two pieces of equipment to talk to each other. I can set up 2 independent LAN's, but no WAN (internet connection) from either. D-Link has provided pages of instrutions, but nothing works.
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Sep 20, 2012
I was wondering if it was possible to connect my Motorola Surfboard SB6141 to my xbox 360. The internet works fine on my computer but when I plug the cable into my xbox it doesn't connect to live at all.
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Mar 19, 2011
I get this at random times. My internet disconnects until I reset my modem and I don't think it has anything to do with the modem because I had it replaced by my ISP and they did a few line tests and nothing was wrong. What can I do to avoid having this problem anymore? It's been doing it for almost 2 weeks now and when it decides to do it is random.
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Mar 22, 2011
So I've had this problem before and normally I solve it by simply unplugging everything from my modem and router but ive tried that this time several times to no avail. The internet suddenly cut out one day and when I did my usual unplugging thing it came back unbearably slow.Right now I'm running off a motorola SB5100 Surboard modem and a linksys WRT54G2 router and its not my computer, everyone in the house is getting terrible speed.
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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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Jan 6, 2012
Would this work ?. also, on the back of the modem is a rectangular, not the typical, usb slot. I cannot move the modem because it is connected to the wall. I don't want to use an extra long wire either. What do I need to buy so I can use the wired modem, as a wireless one on my pc downstairs ?
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Jan 11, 2013
I am looking for a router or something else that still allows me to connect my phone line to my router or computer so people in the house can make calls. My cable modem is a Motorola SBV5120 I had it for eight years now and I am thinking of switching our network to wireless so I don't get those cluttered wires.
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Mar 19, 2012
Trying to figure out if I have a bad modem or bad wiring leading to the modem.I'm losing connectivity usually in the evening when I'm sure everything is more loaded.he reason I'm concerned about the modem is that when I lose connectivity, I can't access the modem through my browser. It won't respond. This isn't just for a moment. I'll unplug the modem and plug it back in. I can access the modem after that with my browser, but more often than not, I don't regain connectivity. It keeps trying and failiing.its a Motorola SB5100 from 10 years ago. how to seperate bad wiring from a bad modem?
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Nov 17, 2011
I have Comcast and my modem is indicating (blue light ) that my signal incoming is weak but my out going is fine. I tried resetting the modem ...no change . Is my problem with the modem or Comcast ?
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Apr 22, 2012
I have a 192.168.1.xxx network connected to Verizon FIOS via Actiontec MOCA / router. I also have a 192.168.15.xxx network connected to Comcast via Motorola VT2442 router (used for Vonage) and a Motorola SB6121 cable modem.
Each network has it's own gigabit switch connected to each router. The two networks are physically separated but switches and routers are physically side by side.
What is the best configuration to allow devices on 192.168.1.xxx network to communicate with devices on the 192.168.15.xxx network (share printers, NAS, etc), but still have each network served by it's respective ISP, and each device still get it's dhcp, dns, gateway, etc from each respective router?
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Nov 7, 2012
Today I purchased a Motorola SURFboard extreme Cable Modem DOCSIS 3.0 in order to replace my old modem which is out of date and has been very slow as of late. I connected the coaxial cable, Ethernet cable(to Linksys wireless router), and power expecting it to simply work. All four lights came on green (power, downstream, upstream, connectivity). The downstream light turned blue which indicates a bonded connection.The device light was blinking on the modem. I connected to my wireless router, but no internet access. I then tried connecting my laptop to the modem directly via Ethernet cable, still no access. I think that rules out the router being the problem. I also ruled out my laptop being the problem as the same thing is occurring with my other laptop and desktop. I called my ISP (Cox Cable) and had them re-establish connection with my modem, this did nothing. I thought for sure this meant I had purchased a faulty modem; I hooked up my old modem and the results were the same, the modem connected fully with no problem (all four lights were green) but I have no internet access.
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Sep 4, 2011
I have a Motorola modem SURFBoard SB4200, along with a wireless Linksys router that connects to that modem. The router works normally but the modem often dies and restarts itself after about 1-2 minutes.
What could be causing this problem? How should I start debugging it?
Could an excessive amount of network traffic be bringing down the modem? Are there any tools that can monitor the modem?
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Jun 10, 2011
I recently switched from dsl to cable. I have a e2000 router that I would still like to use. The modem I have is a Motorola Surfboard SB6121. It has no options that I can modify. The modem has a built in DHCP server. However, I can't modify it and I don't like the ip configuration it uses. For the time being I have the modem connected to a switch which is working fine. What I would like to know is how to configure the e2000 to use the modems connection. I used PPPoE for DSL and had login information.
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Feb 17, 2013
Region : France
Model : TL-WR1043ND
Hardware Version : V1
Firmware Version : 3.13.13 build 120405
ISP :
i discovered a speed issue with cable with my router TL-WR1043ND. i have no more than 11 MB/s from computer to NAS... so like all transfer speed was setup like a 100Mbps adapter. my card on my computer is in auto negotiation. If i set it manually to 1Gbps no link is active between router and computer. i tried it with my laptop and once again the same issue.
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Jun 6, 2011
i'm trying to connect to my wii n my laptop. i have a cricket broadband hookup to desktop.
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Mar 11, 2011
i'v recently bought a WAG120N for my home and set it up after that i checked that my wireless link speed on my laptop is 72mbps instead 150mbps after a few googling ive found that 150mbps is only avalaible on 40MHz radio band but in setup page i only found 20MHz.
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Jan 9, 2013
I've had a dlink604router connected to a dsl modem for the longest time with all my computers receiving internet without any problems. I just switched to a cable modem and the router blinks as if it's communicating with the modem but no internet is getting to the computers connected to the router. I've always left the dlink's settings to default-my 2 macs receive automatic dhcp. If the settings on the dlink have to be changed to communicate with the new cable modem?
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Jul 21, 2012
We ran a D-Link DIR-655 for about 5 years on our home network of 7 desktop computers (LAN) and two laptops (wireless) with essentially no problems. However following a power outage last week the router stopped communicating with the cable modem (WAN port failure?). From the web site we determined that the DIR-825 is a fancier version of the DIR-655 (extra 5 GHz transmitter) so we upgraded to a new 825 three days ago. I did not use the wizard on the CD to set up the new router -- rather did it manually because I thought I'd configure the new router exactly the same as the old one -- this was probably not a good idea in retrospect. (FYI our new DIR-825 is a ver. B1 unit with ver. 2.02NA firmware.
After setting the router up -- it lit up like a Christmas tree and I could see all 7 desk top computers (3 are WIN7 & 4 are WINXP) in the LAN and all would go on-line with no issues. (FYI 3 desk tops are directly attached to the DIR-825 and four attached via a switch). However, when I tried to map the network I find that only 5 of the desk tops we assigned to our named home network -- 2 or them could not be mapped as they were assigned to a "public" network. So while they all still communicate with each other two are no longer in our home network. I do not think this was anything that I did -- knowingly at least.
I logged back on the the router home page but I see nothing that clues me in as to what I did wrong.So I'm wondering how the DIR-825 made these "assignments" and what I can do to redirect the router to bring the other two computers into our home network. (BTW one of the two "miss-assigned" computers is WIN7 and one is WINXP so its not a window version issue).
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Jun 30, 2011
I've had my DIR-601 for almost a year now and it's been working near flawlessly until just recently. I have a very simple setup with a desktop PC, router, Time Warner cable modem, and the only device that accesses the router is my Droid phone. I shut my PC down every night. The next day when starting up my PC, there's no internet connection. I haven't fooled around with any router settings, but what I've been doing to re-connect is unplug the cable modem power cord and router power code, wait a minute, then re-plug them back in and it connects right away. Is there something easy that I can do/repair to correct this? Maybe I should check if there are firmware updates?
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May 9, 2011
The internet connection light is blue, i am assuming this means the device thinks that it is connected. However wired or wireless I can't hit any web pages. When I use the internal tools neither can the device ping any address.
I am using:
Firmware 2.00NA
DSL modem ATT-Yahoo-SBC (Speedstream 4100 using DHCP)
I am planning to upgrade the firmware to 2.01NA and give that a shot.
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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 192.168.0.1 IP address for the device. On that router, I also reserved the 192.168.0.199 IP address and assigned it to the DLink 515.I also gave the DLink 515 device the IP 192.168.1.1 so I could administer it.I set the DLink 515 to static IP and made the IP 192.168.0.199 and the default gateway 192.168.0.1.I 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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Feb 8, 2012
my dir-655 rev. A2 router won't connect to the new modem that Charter sent me. I had the scientific Atlanta model dpc2100r2 modem but Charter called and said that they have upgraded my speed for free from 18/2 to 30/4 and that I needed a new docsis 3.0 compatable modem in order to take full advantage of the speed upgrade. I received the modem and connected an activated it according to their instructions. The modem works fine when connected to the PC only but as soon as I connected to the dir 655 the link light went out on the modem and I lost my internet connection. The first step I took was to clone the mac address in Wan section of router. It still did not work. The next step was to turn the modem off, the router off and shutdown the PC. I waited until this morning to reconnect everything. I started the PC, then I started the modem and waited for it to stabilize and finally I restarted the router. I still had no connection. The status page of the router said that the cable was disconnected and that network was disconnected. There was no info to release so I clicked the renew button but nothing happened.
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Feb 14, 2013
Region : UnitedStates
Model : TL-WDR4300
Hardware Version : V1
Firmware Version :
ISP : charter, its smarter.
so i have a sb6141 cable modem that is mine and not a lease. it works like a champ when hard wired to my desktop. i just got my hands on a new shiny tp-link wdr4300 yesterday and after messing with it for the better part of 2 hours, something seems to be amiss with the communication between the two. everything will be humming along fine and all of a sudden i get the dreaded PAGE CANNOT BE DISPLAYED. sure as the world i look at the modem and all the lights are off and its resetting itself. and honestly this continues until i pull the power and plug it back up. i think maybe one time in the middle of the night i actually saw it reset itself and then come back online.
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Apr 3, 2011
My internet light flashes at times yellow.Some times i lose internet connection .I have never had this problem with my linksys router.
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Nov 5, 2011
i have a PPPOE type of connection for my modem and just now my router is blinking both lights Orange and blue at the same time....but the internet is still connected..
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Mar 29, 2013
Region : UnitedStates
Model : TL-WR841ND
Hardware Version : V8
Firmware Version :
ISP : optimum online
I have two wireless routers:
TP Link TL-WR841ND
and
TP Link TL-WR541G
I would like to:
use the TL-WR541G for my children wireless laptop, wireless ipad and wireless iphones.
I can turn this unit off at a specific time each evening as I wish.
The WR841ND is used for my wireless laptop, wired iMac, wired Roku stream player and wired Voip adapter.
I tried a few things but really do not know what I am doing and I cannot get both wireless routers to access the internet.
What I tried so far:
Cable modem ethernet out to the input on the WR841ND router. took one of the four hardwire outputs from the WR841ND and ran into the input on the WR541G I powered on the cable modem....it booted... i then powered each router up and waited for each to boot. I launched web browser and navigated to : http://192.168.0.1/ this allowed me to setup the WR841ND router.
it's current settings:
Firmware Version: 3.13.27 Build 121101 Rel.38183n
Hardware Version: WR841N v8 00000000
WAN type: dynamic IP
LAN IP address: 192.168.0.1
subnet mask: 255.255.255.0
DHCP Server: enabled
Start IP: 192.168.0.100
End IP: 192.168.0.199
How do I set up the second router? I tried to disable the DHCP server on router 2 (WR541g) and change the IP but don't know what to change it to.
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Feb 17, 2013
-Region : Poland
-Model : TD-W8951ND
-Hardware Version : V5
-Firmware Version : 5.0.0 Build 120522 Rel.23978
-ISP : Orange/TPSA
Is there any way to change web interface / firmware from orange version to blue version? Blue version has more options and better "System log" presentation page.
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Jan 9, 2013
I have a DIR-655 that I have been using for a while (b1 revision). and suddenly I noticed my wifi speed fluctuates constantly. My lenovo Y580 sees speed drop to 130 immediately and then it can slowly progress to 1 Mbps until the hardware is all rebooted. Same happens to my Nexus 7, Dell XPS M1530 and to my roku. I have updated to 2.07 (since 2.10 is advised to avoid). And I have attempted changing channels or factory refresh.What Firmware version is currently loaded? 2.07What region are you located?
What ISP Service do you have? Cable or DSL? Cable (link speed independent of internet speed)What ISP Modem do you have? Stand Alone or built in router? Separate Motorola ((link speed independent of modem)What ISP Modem make and model do you have? Does not matter, router issue.If this modem has a built in router, it's best to bridge the modem. Having 2 routers on the same line can cause connection problems.To tell if the modem is bridged or not, look at the routers web page, Status/Device Info/Wan Section, if there is a 192.168.0.# address in the WAN IP address field, then the modem is not bridged. Not bridged
Turn off all anti virus and firewall programs on PC while testing. 3rd party firewalls are not generally needed when using routers as they are effective on blocking malicious inbound traffic. Independent of issue, not a factor
Turn off all devices accept for one wired PC while testing. Wired works perfect.Check cable between Modem and Router, swap out to be sure. Cat6 is recommended. Wireless issue.
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Nov 19, 2011
I can't seem to get DIR-655 to communicate with Motorola SB6121 cable modem. Don't know if it has anything to do with the old firmware 1.21?? Should I update the firmware? If so, which version?
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Oct 23, 2012
My X2000 modem connect only with small speeds Kbps, it's very weak than Linksys WAG54GP2 MBPS. If I put laptop near the modem speed doesn't change.Only change occurs when I change the channel. But it speed down after a while.I set, N connection, security is WPA-personal, tried some different channel, connection 20-40mhz, update the firmware (there is no problem with laptop, with another modem I can connect with 150kb/s speed) And, if I choose auto setup, security change to WPA, If I'm not wrong.
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Mar 17, 2011
I live in the tampa bay area, I have bright house (BHN) as my service provider, which provides a Road Runner Lightning (40/5) package. I previously used BHN's top tier (20/2) back in July (and prior) with no problems.
After converting to Lightning in August of this year (2010). Of course, BHN (and every other provider) wants to force a modem/router down your throat, so I had them bridge it (in short, turn it into a dummy modem with no routing). I had an SMC branded modem gateway at the time. I work from home 2 days a week (so I can spend more time with my kids during morning, lunch, right after work) and this requires me to use QoS to ensure my VOIP work calls don't get dropped, if the family is watching youtube videos or watching netflex.
My network was as follows SMC Modem >WAN IP>>WAN Port>>D-link DIR-655>>Switch Ports>PC1, PC2, PC3
Everything seemed fine (from a usability stand point) till about 2 weeks ago when my upload speed seemed to grind to halt. Normally I was able to upload about 200-300K per second, and I noticed this dropped to about 45K per second during a drop box upload. First thing I did was power cycle both my modem and router (in the proper/usual order). After they both come up, I start using speed test to find out what my upload speeds were. I was getting about 39Mbps down, but only .56Mbps up still. I factory reset my router.... test, similar speeds. Power cycle all computers (just in case), and then modem/router. Tested, similar speeds. Updated the firmware to the latest. Same issue
Called BHN customer service, they factor reset it, but it wasn't in bridge mode. If I by passed the 655, in factory mode (non bridge mode) upload speeds returned to better than expected states. If I bridged the cable modem, upload speeds seemed to crash.
Had BHN replace the modem, seemed fixed for a day, then issue came back. Had them come back out and replace it again, this time with a Motorolla Surfboard modem... same issue. Fine during factory reset, however after they bridge the modem, upload speeds were fine. Told BHN I would take it from there.. Connected up the DIR-655, and upload speeds crashed again. (.6Mbps). Called D-Link Support, and the Chinese English speaking rep seemed to not be listening to me and tried to have me adjust my MTU as well as Wireless settings. Long story short... the rep was a level 0 id10t and I hope D-link will consider hiring better employees/contractors. So I was all about to give up and replace it with a DD-WRT capable router (which it takes me a lot to want to swap hardware), when I discovered the wan shaping was on. Which I thought to myself... nah... QoS has never messed up before... why would it be the cause. Turned off wan shapping... and voila. Issue seemed to be insta-resolved.
Unsatisfied with that... I decided to dig a lil deeper. I turned on Wan shaping again, but decided to set the settings manually instead of auto detect.
Here are the settings I used... (Advanced Tab>QoS)
Enable Traffic Shaping - Checked
Automatic Uplink Speed - Unchecked
Manual Uplink Speed - 5000
Connection Type: Cable or Other Broadand Network
Enable QoS Engine - Checked Automatic Classification - unchecked (this checked seemed to affect my upload speed by about 5-10% during testing) Dynamic Fragmentation - unchecked (this checked seemed to be the worse enemy for upload speed)
While I know I'm not any network guru (still have to use a subnet calculator for subnetting), I think I did a pretty good job drilling down the issue (once I got passed my service provider replacing modems).
Anyways, I've had overall good luck with D-Link products, even have a 5 port 10/100 switch (all metal) from 1998 that works great. Hopefully, D-Link will just either put more documentation on the web, or hire better employees.
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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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