D-Link DIR-655 :: Upload Speed Gone Down Below 1Mbps?
Jun 10, 2011
ISP is Comcast. The routers hardware version is A4 with firmware v.1.33NA. The upload speed used to be above 4Mbps but recently it has gone down to below 1Mbps. It comes back to above 4Mbps if the router is bypassed or the PC is directly connected to the modem.If I on/off power cycle the router, the speed comes back but only for short period. I tried a new DIR655 of hardware v.B1 with firmware v.2.00 but exact same problem was noticed. I tried my old spare router of Linksys WRT54G and no such problem was noticed.
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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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Sep 19, 2012
My laptops wifi speed drops from 54Mbps down to 1Mbps which is often causing me to disconnect from web application etc I am currently using a usb wifi dongle and the speed does not drop from 54Mbps which has made me believe the problem lies with the laptops internal wifi settings, after re installing my internal wifi's driver to a more recent version the problem is still the same, I am using a lenovo t61 laptop and my wirless router is a D-LINK DSL-240R, how to fix my internal wifi so that its speed is a constant 54Mbps as my 2 other laptops and notebooks are all at 54Mbps, because of this I believe this is an isolated problem.
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Dec 30, 2012
Installed brand new CAT6 cable from my office PC (W7) to my HTPC (W7) to stream movies (150 feet) and I cannot get file transfer speeds higher than 1MBps. I get the sames slow speeds whether I use the router or plug the two PCs together.
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Dec 23, 2011
Been plauged with some slow speeds lately and decided to check the speeds, with cable in modem i have 4.9 mbps upload but when i go through the router i have 0.3 mbps. Router is relatively new, just a couple months, firmware 8.00.
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Jan 6, 2013
When I bypassed the router and connect my pc to the cable modem directly, my download and upload speeds are over 20mbps/10mbps. But when I connect my cable modem with the router, it reduced dramatically to under 10mbps/5mbps.So the bottleneck is with the router. How can I troubleshoot the router to remove this bottleneck?
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Dec 3, 2012
Region : Romania
Model : TL-WR841N
Hardware Version : Not Clear
Firmware Version : Latest
ISP :
i just bought this router, all good until i had to upload wireless over ftp or samba. It is version 8.2
Firmware Version:
3.13.27 Build 120802 Rel.51024n
Hardware Version:
WR841N v8 00000000
I bought this router for the advertised 300 mbs, my last 150 router was giving me 6/7 mbs over wireless upload on ftp. Tp link router is giving me 800 k.
Download works on wi fi , i got 9,3 mbs from a 150 N adapter.
I tried all security options , even mac filtering . And i am trying to ftp over network , not the internet.
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Nov 8, 2012
Region : Romania
Model : TL-WDR4300
Hardware Version : V1
my Wi-fi card is an Intel Centrino 130N. When I connect to the Internet directly, the speeds I get are: DL: 11 MBs and UL: 9 MBs. (I know the difference between MB and Mbits). Although, when I'm connected through wireless, I get: DL: 3.4 MBs and UL: 4.7 MBs.how do I get my DL speed to be higher than the UL speed in wireless mode ? I read somewhere I have to disable QoS and WMM, but I simply can't find that option in the router's settings. even if I am in the same room as my router, when I check the status of the wireless connection, the maximum speed is 72 mbps. Should that be 130 mbps, as I run it in N mode, not G? How to improve that ? I have Win 7 and all the latest drivers and everything.
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May 22, 2011
But my wireless set up does not work. At all. I have a DIR-655 (obviously) linked to a DWA-130. I tried multiple configurations but STILL only get less than 1Mbps download speed.
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Jan 11, 2011
Recently my desktop has experienced very slow download speeds (~0.11 Mbps), however the upload speed appears to be in line (~2.0Mbps). These numbers are taken from Comcast's speed test (my ISP). It is obviously a problem with my PC because everything else on the network (PS3, Laptop) have great signals with no problems. I just recently reverted the Desktop back to its factory state, and everything was working fine for a couple of months. The desktop in question uses Vista 32-bit and the Belkin Basic USB Wireless Adapter.
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Dec 11, 2011
I'm just wondering how I would get a faster upload rate. Is it my modem? Is it my internet connection? At the moment my upload rate is
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Apr 5, 2012
I ru n the speed test from my desktop and laptop and the download speed are in the same range in both pc's, around 20mb/s. However the upload speed is higher in the laptop (around 4 mb/s) compared the desktop (300 kb/s)My connection is supposed to run at 50 mb/s and 5mb/s?
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Oct 27, 2011
I was wondering why my upload speed btw the test. and reading this forum post: Sudden slow upload speed?
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Dec 9, 2011
About 2 months or so ago, my upload speed just pretty much stopped working. Nothing changed with my PC/modem/router, so I don't know what happened. My download speed is FINE, fast like it's always been(over 20 Mbps). I can upload a file maybe 500KB or lower, but it takes several minutes. If I try to upload anything bigger, it doesn't work(errors/gets stuck).
It's not my PC because I have the same problem on my tablet and ipod. It's not the router because I tested it by just hooking up the modem directly to my PC.
At speedtest.net, it just gets stuck on the upload test and never gives me results.
I rent my modem from Comcast. Should I just bring this modem in and get a new one?
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Jun 27, 2012
This is the first PC I have ever built, but I built it with a buddy who is very experienced and everything went okay. The computer is maybe 3-4 weeks old now, everything is running fine, until today when I decided I wanted to try streaming some Diablo 3.This is when I discovered my upload speed was absolute garbage.I have verizon FIOS - I pay for 15/5, the download speed is always at 20+ mbps, I have never had any problems with it., but my upload speed is fluctuating between .34-1.5 mbps, changing every second.I know this is a problem with the computer because I brought in my old laptop, unplugged the ethernet from my new desktop, plugged it into the laptop in order to keep all variables the same, and it was getting 25/5 without any hesitation.When I was downloading the drivers for my mobo I installed something called Windows Firewall with Advanced Security(maybe that was with a windows update, im not sure).
Specs of my PC (if this matters)
-Asus P8Z77-V LK
-8g ddr3 Ripjaws
-i7 2700k
-Corsair H60
-EVGA GTX 670
-Crucial 128g M4 SSD
-Caviar Blue 1TB HDD
-750W OCZ Modular PSU
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Dec 9, 2012
I bought comcast xfinity internet about a month ago, and I cannot get any upload speed. It's jammed up at about .40, and I'm paying for 3-4 mbs. My plan is 15/3, but the download speed is always over 20 mbs, while the upload is .40.
Comcast has been here twice with two new modems, and ran brand new cable under the house, because they said the signal was weak. Now it's strong, the modem is fine, and there is STILL no upload. I can barely upload pics to photobucket. Comcast basically told me there is nothing wrong on their end, and there is nothing they can do. The signal is strong, the modem is fine, the cabling is fine, and they are providing their service on their end.
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Aug 26, 2012
I uploaded an .avi media file, which filled 2.81GB and it took me 7 hours!I was like holy ***, how is it even possible for it to take so long time for an file that only fills 2.81GB?
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Dec 1, 2011
How much faster is a T1 (1.5 Mbs) link vs. a 128Kbs link? Is it as simple as dividing one into the other which would equal roughly 11 times faster? What will this look like for the user who goes from 128K one day to a T!
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Jun 28, 2012
After every attempt and changing of radios still download and upload was very slow.
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Mar 9, 2013
I'm having a big trouble with my internet connection. The Upload speed is extremely slow after i got a new mainboard, that problem appears.[code] I'm tired with my suck internet connection! Upload a 1MB photo to Facebook took me hours..This problem has started for a week.
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Jun 30, 2011
I just upgraded my cable modem from the Motorola Sufboard 5120 to the DOCSIS 3.0 capable 6120. Provisioned it with Comcast and their "Blast" service (supposedly it caps at 16 down, 2 up).
I had, in the past, used my desktop via N-format wireless (DWA-525 N-format PCI adapter and DIR-655 N-format router) to do a speedtest.net test. I was getting 16 down and 2 up (as advertised). When I switched to the 6120, I did a speedtest.net test again to see what kind of gains, if any, I was getting. Turns out, I was getting 20+ down (nice improvement) and 1/2 Mbps up (a fourth of what I used to be getting?). Called Comcast. They "sent signals" (don't they always?) and claimed that it fixed it. My download speeds increased a smidge (about 22), but my upload speeds were still .5. Called Motorola, they had me do a few things and now I get 1 Mbps up and 27 - 30 down via wireless.
My download speeds are great. I'm content with that. If I hardwire from the cable modem directly to a ****py old laptop, a speedtest.net shows 4 Mbps up. So why do I get such a high upload speed when hardwired (4 Mbps), but a fraction of it (1/4th) when wireless? I'm not using any other devices to sap bandwidth (some are connected -- i.e. another desktop, my Droid phone, etc., but aren't actively pulling packets). And why would it go from 2 up (on my desktop via wireless in the past) to only 1 up (via wireless now) when the setup is the same across the board (as best I recall) other than upgrading my cable modem.
Since I get 4 up when hardwired straight off the cable modem, I assume my DIR-655 is slowing me down somehow. How to pick up the pace a bit? I've already tried the standard "power cycling", etc.
Oh, and the reason I go wireless -- my cable modem and wireless router are in my game room in the basement for my PS3. My desktop computer (and the wife's desktop computer) are two floors directly above it in our "office". Signal strength is "excellent" ... always has been. And again, pretty much everything is the same.
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Jan 2, 2013
First discovered this problem because I was unable to connect to a particular web site that was functional according to a friend that I was talking to on the telephone while trying to connect.
Problem: Network UPLOAD speed is randomly reduced from 2Mb to 600Kb while download speed seems unaffected (Abt. 30 to 50Mb). First eliminated the router, modem and cables as suspects working with ISP tech support. CAT 5 cabling to router and cable modem. Then I discovered that another machine on the network did not have this problem. I then discovered that disabling the network and re-enabling the network cured the problem.....temporarily. Downloaded and installed latest NIC driver from MB web site. No solution. Downloaded and installed latest NIC driver from Realtek web site. No solution. Updated MB BIOS. No solution.
MB= Asus M5A97 EVO
CPU: AMD FX-4100
OS: MS Windows 7 Professional 64-bit SP1 (Latest updates)
RAM: 8.00 GB Dual-Channel DDR3 @ 802MHz (11-11-11-28
NIC on MB Realtek PCIe GBE
Disabled TCP/IPV6. No solution. I suspect it is one of the "Advanced" settings for the Realtek PCIe GBE, but I don't know what they do. Anytime I disable and re-enable the network adapter my upload speed returns to normal. I haven't been able to isolate a particular action that causes the slow-down. The attached pics show speed test, before and after disable - re-enable network adapter. Same server.
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Oct 17, 2012
Windows 8: So I am trying to transfer files over to a friend. I used to get upwards to 2MB/s but now I am getting 255kb/s upload - both tested using Hamachi network transfer and Bittorrent with private trackers and direct connect also tried with public trackers.
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Feb 15, 2011
Just got a new 10M circuit installed a few days ago and noticed that when doing bandwidth tests I am getting 9.85 down but only 4.5 up. I plugged directly into the isp's adtran with my laptop and I can hit 10/10 consistently. Not sure what's causing the ASA to get half upload speed. I set the interface speed and duplex to 100/full so I set it back to auto/auto. Thoughts? See config below. We aren't doing any QoS on it.
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Sep 30, 2011
download is now 25.24 up is 3.97 should this be corrected?
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May 29, 2012
am not a network expert but I understand that the download speed is always higher than the upload speed, right? I just bought a new internet package that comes with 5 mb/s download speed. The Upload speed should be around 1 mb/s right? Speedtest.net gives me 5 mb/s download speed and 53.62 mb/s upload speed. I called my internet provider and the girl told me it is normal. How can that be normal? I also have another weird issue. When I try to watch a video (youtube, netflix, etc...) the video starts loading correctly but stops loading after 10-15 seconds. I did a download test by downloading Itunes and the download starts correctly at 600 KB/s but after a 2-6 seconds, the downloaded megabytes stop increasing and download speed just drops until it reaches 0 and the download cancels itself.
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Feb 2, 2012
What would be the ideal download and upload speed for a server of more than 50 people ?
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Apr 21, 2012
I am working on a small business network. 8-10 computers, usually only 3-4 being used at any one time. I'm trying to improve network file transfer speeds between the local machines and a network READYNAS NV+. There are both 32 and 64 bit OS's in play. Between the READYNAS and the local machines are two non-managed switches (jumbo frames capable) and a patch panel. The cable from the READYNAS goes into the first switch, then out of that into the patch panel then into the second switch, and then out to several local machines.
Though i would love to improve performance to all the local machines, I am primarily concerned with one in particular. It has Windows 7 64 bit and an onboard Broadcom Netlink Gigabit network adapter. This device does NOT have a Jumbo frames option in the advanced settings. Here's the issue: When copying files from the READYNAS the upload speed is only 16mbps (jumbo frames enabled on the READYNAS) if I turn jumbo frames off on the READYNAS the upload speed drops to 9mbps. Just FYI, this is a photography studio and the files are always LARGE.
I have several questions that hopefully will lead to an illuminating discussion. 1) Is it possible that the universal patch is in any way a problem? Sorry if that is totally stupid, but I've never encountered one before. I understand routers and switches, but this patch thing is new to my experience. 2) Is having two switches a bottleneck? 3) Is it possible that the onboard Broadcom network adapter is junk? Why doesn't it have jumbo frames options? 4) Could I get better performance from an add on network card in a PCI-E slot and a couple of managed switches?I realize I'm all over the map here. Bottom line, I've got a small network situation here. Very simple, uncomplicated layout. All I want is better read/write performance to a single READYNAS NV+ to a handful of local machines. If I need to settle, I can live with better performance to the one single machine. 16mbps just seems tragically slow.
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Oct 22, 2011
I got a new Netgear N600 Router and installed. Everything works fine, except my PC, which is using a Belkin F5D8055 V2 USB adapter. My upload speeds are less than 1Mbps, while on my net book, ipad, and iphone they are 5Mbps+. I can not firgue out how to fix this. I am running Windows 7 Home Premium, SP1. My PC has an I7-920, 18GB RAM, and 2x Radeon 5870.
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May 28, 2012
I have a Linksys E1200 router, which replaced a Linksys WRT54G wireless router. The WRT54G ran perfectly, but did not support wireless N, so I replaced it with the Linksys E1200. The router is physically located in a good spot, up high and centrally located in my house.Problem is, my download speed on my android tablet, xBox, iPhone is very slow, yet my upload speed is screaming fast.
Wireless: Ping: 30ms, Download 1.93Mbps, Upload 6.27Mbps.
Wired: Ping: 14, Download 17.88 Mbps, Upload 6.7Mbps.
I've changed channels on my router, changed channel width. Connection type is DHCP. My security is WPA2. I use the wireless MAC filter (allow only these MAC addresses access). No parental controls, I don't use port forwarding or triggering, and my firmware is up-to-date. why my speed changed from the older router to the newer router?
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Dec 30, 2011
I am getting very slow download speeds on my wireless router (Linksys model#WRT160N). I measured it on speedtest.net. with my ASUS laptop, ASUS Transformer Prime tablet, and 2 Ipod touches. All similar speeds.
Download avg: 1.30 Mbps
upload avg: 6.20 Mbps
I measured my desktop speed that is hardwired through the router to the modem.
Download avg: 30.00 Mbps
upload ave: 6.20 Mbps
I have scanned all the wireless connection in my area and found them to occupy channels 1, 6, 11. I tried changing my channels one at a time for all 11 channels. Some did a little better than others but not a lot.Also, if I by a dual channel router, can all wireless devices pick up on the 5GHz spectrim and if some, could this alleviate some interference?Is it possible that my router is going bad and a new single channel 2.4 GHz router will be fine?
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Jul 14, 2012
I recently upgraded to 1.0.3 fw on my x3000 in the hope of getting rid of the issue with my upload speed. However, now it is denying me connection to the outside world about once a day. It is getting an ip, even if I am renewing the IP address.I am using it on my Fullrate broadband 20/2 connection, and I can at most get 1mbit UL, but with the old router, I could get 2.1mbit. I bought this one because the other one sucked (the standard from my ISP).I have set the router up as the old one was, however, it is still slow, and now it also needs reset every day.
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Feb 8, 2011
I am using a Cisco RVS 4000 to test a new 10M/10M internet connection. I'm having a small problem performing the ISP's speed test (speedtest.cavtel.net). The download test consistently gives me 10Mbit/s, full speed for the connection, however the upload speed is usually about 5.5 Mbit/s. My ISP has been onsite and has checked the lines and tested directly, and we have determined that if connected directly we can test to full upload speeds, but when the RVS is connected, we cannot get full speed.
We've tried different cables, reseting to factory defaults, updating firmware, changing port settings, and toggling most of the other setting on the router. Some settings do have a minor effect on the upload speed, but nothing that gets me back up to 10Mbit/s.
I did notice that there appears to be no way to set speed and negotiation settings on the WAN port. Perhaps I am missing it, because that seems like a possible culprit.
Otherwise, the only only thing I can think of is a warranty return to determine if the unit itself is defective.
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