LS-WXL5BF - Gigabit NAS Only Using About 20% Of Link Speed
Jan 8, 2011
I've got a Buffalo LS-WXL5BF connected directly to one of my PC's gigabit ethernet ports. The link in the Win7 network and connections is showing it connected at 1Gbit but the actual transfer speed tops out around 150-200 Mbit or roughly 15-25MB/s (which is well under what the unit is advertised to perform at.)
I'll be swapping out the cable that came with it for a good CAT5E I got from monoprice but other than that I'm not sure what to try.
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Feb 13, 2011
my problem is that i have a computer connected via gigabit lan with a cat5e cable.i have a notebook with a d-link dwa-140 usb wifi adapter connected.and the max transfer speed i get is 14 mbps. d-link dir-655 firmware 1.34eu.in windows it reports 300mbps.in the router it reports 270 mbps sometimes 300. the settings in the router is 40mhz only,. ch 13. wpa2 aes. as described in the sticky.the devices are within 3 ft of each other.
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Aug 8, 2011
I cant figure it out and can not find a solution. All three computers have gigabit nics, I have gigabit router and switch, my d-link 321 is set to gigabit, the only thing on my network that is not gigabit is my printer. I'm not getting gigabit transfer speed from my computer to dlink 321. I rarely do computer to computer transfers, so I dont know what the speed is of that. The best tranfer rate is from 7-12mb. I am also using cat 5e wires on all connections. What am I missing?
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Mar 14, 2012
According to Cisco's site the WS-X6748-GE-TX is a "10/100/1000" module.URL
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Feb 25, 2012
to what extent gigabit lan port affect speed of internet?
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May 21, 2011
I have a desktop and a laptop computer. both equipped with Gigabit Lan port... I connect them with Straight cable by assigning both computers IP address. I havnt use any switch or router between computers.... The problem is that my transfer speed is about= ~10MB/s..... As far i know the transfer speed should be around 70-80MB/s (125MB/s for Gigabit Lan).....
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May 25, 2013
My laptop will not connect at full speed whilst on a wired connection. All my other laptops connect at full gigabit speed OK using the same cable. My XPS will only connect at 100Mbps.I have the Realtek PCIe GBE Family Controller.
I am using Win 7 64Bit but I have also tried Ubuntu 12 with the same result. Is this a known problem ?I think this may have been like this since new, My most expensive laptop is the slowest on my network.
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Apr 15, 2012
I am currently connected to my router via a 100 megabit cable (the router port itself is either 100M or 1G, I can't remember). There are no free ports on the router, but I want to connect additional computers to the network. If I get a gigabit switch and connect two of my PCs to it using gigabit cable, can they communicate at gigabit speeds, or will they be limited by the 100M connection back to the router? (In other words, does traffic between two computers on the switch have to be sent through the router, or not?)
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Feb 25, 2012
I have a two computer network. Here are the network adapter details of the two computers.
-Realtek RTL8111E Gigabit Ethernet Controller
-Broadcom NetXtreme Gigabit Ethernet
I'm using a CAT5e cable. But it gives only a 10 MB/s file sharing speed. What is the reason for this? (In both the computers under "Local Area Connection Status" it shows 100 Mbps for the speed)
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Mar 19, 2012
Have been running win 2000 pro for last 5 yrs with trendnet pcitxr 1 gigabit nic card. Never had any problem running & connecting. Now cannot access internet @ 1 gigabit, ok @100mbit, for the most part. sometimes browser will lock-up, firefox or IE. Never had any problems like this before. Have changed nic card, replaced cable modem, wires. Have delete trendnet software and reloaded, ran winsock fix, move router cables, ran directly from cable modem, bypassing router, move nic to new slot, ran ipconfig /release & reset. All to no avail. when I ping comes back good. NIC cards I have tried all seem to be working.
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Apr 23, 2013
I have purchased Linksys WRT320N because my ISP give me speeds of 400 mb/s download and 200 mb/s upload. After I tested the speed my router get only 137 mb/s, why is that? I paid for gigabit router!?
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Jul 31, 2011
i'd like to force the speed/duplex of the integrated Gigabit interface on a LAP1042N, managed by a 4402 running software version 7.0.98 but I cannot find the command either by command line or on the GUI.
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Feb 3, 2012
If I connect wire directely to the PC Ethernet port the Internet speed is about 400 Mbit/sec (speedtest.net)When my PC is connected through the Linksys E4200 Internet speed is not above 90 Mbit/sec.
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May 18, 2013
I have a question about speed negotiation process between interfaces. I have 3650X Sw and 2960S-48port. All ports of two are GigabitEthernet, however the link between them is only 100Mb/s, Full duplex. I try to set the speed 1000 Mb/s manually in the interface then the interface never up. Its status is down/down. I must set back to speed auto. I show interface Gigabit0/24 in Sw 3650-X and figure out that there are many output drop (over 600000). I clear counter then after two days the output drop is over 70000. This link is trunk link between two switches, all ports of access SW are Gigabit and connect to PC. First, I thinks the 3650X is throttled somewhere in output direction of trunk link. But there is another trunk link (Gi0/23) to another 2960S-48port and no output drop number in this interface. This Giga 0/23 speed is 1000 Mb/s (auto speed, auto duplex)
Does any outside things impact the speed negotiation process between 2 interfaces? And output drop number may caused by abnormal speed between two Gigabit interface?
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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 26, 2012
I have an Ethernet Loopback Plug (4 Pairs) made and trying to test the Gigabit Interface on a 3845 Router with a fail result. The interface will show up/up only if I set the interface to 100M/Full Duplex when I plug-in the Ethernet Loopback Plug (4 Pairs). I don't see this Gigabit Interface @ 3845 router has any option to set it to internal or external loopback.
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Jan 7, 2011
DIR-655 Firmware: 2.00NA (most recent) Hardware Version: B1 I am not getting Gigabit LAN wired. I am only averaging 25% of that, which means 256mbps or 32MBps. note the following:
- Router only connected to two computers (wired), wireless turned off
- Cable length does not exceed maximum specified length of 100 meters (328 feet). Neither does it exceed the usual maximum length of 100 feet. (both ends)
- Cable is CAT 5e (both ends) allowing Gigabit speeds
- NICs on both computer are able to run at Gigabit
- Both computers recognize the Gigabit connection speed
- Sustained Hard drive speeds are rated at 101.9MBps and 86.6MBps or 815.2mbps and 692.8mbps (therefore, connections should run at least 692.8mbps or 69% usage)
- Minimal programs were running in the background (in fact, almost nothing except for the OS itself)
- Windows 7 on both computers
- Later, I ran a streaming of a file and transferring files over the network, the speed still remained around 25% usage, which means there's isn't a cap of network usage per program. (is there usually a cap?)
Things I don't want to hear:
- Cat 5e doesn't support gigabit
- Check cable has 8 cables instead of 4 (it has
- CPU not good enough (it's plenty fast for copying files, quad and hex core)
- Not enough RAM (plenty of that too, I don't know how much role RAM plays in transferring files over the network)
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Nov 23, 2011
I'm running an Optiplex 330 with the Broadcom NetXtreme 57xx Gigabit ethernet card.
The computer is running Windows 7, 64bit, but there do not appear to be any drivers for that OS.I tried selecting Vista 64bit, but there were no drivers. The Vista 32bit doesn't work.
Then I went to Broadcom and found these drivers: [URL] the W764bit drivers didn't change the fact i'm still on a 100Mbit card (as seen on Local Area Connection Status screen and the Device manager)
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Mar 9, 2012
I have a D-Link N 300 Gigabit Router. It's only allowing me to download like 30 MB at a time. If I bypass the router, the internet works just fine.How do I fix that?
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Jun 13, 2012
My router is on a static IP, it is a Linksys WRT150N, and it doesn't have gigabit ports. Is it possible to run it through the 1522's gigabit ports.Modem -> 1522 -> actual router.
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May 20, 2012
Whenever I use my router web pages often fail to load. Then after about 30 or seconds or so it will start working again. Even worse,if I go to game online I will have lag like crazy. Even if I am the only one on the router.I'm using a D-Link n300 gigabit router.
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May 25, 2013
I recently modified my home network in hopes of getting faster file transfers between devices. But it looks like something's not right.I'm suing Lan Speed Test and the best performance I get over WiFi is about 44Mbps (avg.). From my laptop to my NAS. If i turn off the WiFi and do the test over a wired connection the best I get is 200Mbps (avg.).
1. AT&T 2Wire cable modem. Internet comes in the house through this box and it's currently set up to be in bridge mode so that the TPLink router handles everything.
2. TP-Link WDR3600 gigabit/wireless router set to work in 5Ghz only, 11an mixed mode.
3. WD My Book Network Storage. Wired gigabit connection.
4. Desktop PC. Wired gigabit connection.
5. Laptop PC. Wireless.
6. 1 ipad v.2, 2 iphone v.5. Wireless.
Current setup:
1. internet cable goes into 2Wire Modem.Wireless on this device is OFF.
2. cable goes from LAN port on modem to WDR3600 router's internet port
3. cables go out from router to Desktop PC and NAS
4. all other devices are connected to the 5GHz wireless network created by the router.
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Jan 2, 2013
Got 1 Linksys WRT54G Router on the ground floor which uses PTCL DSL Internet and 1 D-Link Wireless N Gigabit Router on the first floor which uses World Call Cable Internet of my house. So yeah we have two internet connections.Getting weak signals from both of the routers in my room on the far left side of the house and little to no signals in the basementSo what I want to ask is that should I purchase better routers or should I go with a signal booster of some sorts like an Access Point or a Range Extender?Also is there such a device which would catch signals from both of these differently configured routers ( different internets, different wireless security keys etc ) and then boost them throughout the house if placed in an area where both the router signals are strong?
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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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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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Jan 20, 2011
About 3 or maybe 4 years ago I bought a Dlink DIR-655 wireless router.On the box it listed it as an Xtreme N Gigabit Router, Wireless N (Draft N). I've had two Windows PCs connected to this router by Cat5 with "Intel 82562V-210 10/100 Network Connection" NICs on each set to "Auto detect". The link speed on the NICs show as 100Mbps.Also, I have an MBP and a Windows laptop that connects to this router at times, both with built-in wireless cards.I have Insight Cable and a 20Mbps download and 1.38 upload speeds.This router has worked great for the past years. Since it was getting a little old, I thought I would buy another just like it to have when this one defaults.I ordered a replacement from Amazon. The picture of the router at Amazon was the same as the one I have now.When the router arrived, it was a Dlink DIR-655; however, the router had a different faceplate and larger lights.On the box it listed it as "Xtreme N Gigabit Router". Also listed was N+ 300.
When I set the new DIR-655 up for my LAN and wireless, everything worked OK.However, I noticed the link speed on the NICs had dropped to 10Mbps.I can disable the NIC and then enable, or, unplug and plug in the Cat5 cable, and it will connect at 100Mbps for about 5 seconds and then revert back to 10Mbps.I returned the router to Amazon and purchased another just like it from Office Depot.The same problems are back.I have used the router set-up disk and have done a manual set-up. I cannot get the NICs to connect to the router above 10Mbps.I have turned off wireless, made different settings throughout the router and nothing works.I can set the NICs to 100Mbps full duplex and I get 1.5Mbps download speeds. If I set them to 100 half duplex, I might get 5Mbps.Believe me; I have just about changed every setting on this router with no success. I've turned the firewall, QoS off then on, wireless off and on, put one PC outside the router, but nothing works. Also, firmware is up to date.When I connect my PC direct to Insight modem or connect the original DIR-655, I get 100Mbps on the NIC and 20+Mbps download speed.I cannot get the NICs to connect above 10Mbps on this "new DIR-655" router.
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Mar 21, 2011
I replaced my old netgear router, which died recently, with a shiny new DIR-655 on my gigabit wired home network. Now I see that file transfer from my NAS is very slow (about 1 megabyte per second). I would like to check if the NAS has connected at 1Gbps to the router. I was browsing the "stat" or "attached device info" in the routers configuration webpage, but could not find it. To be precise, I do see the connection to the NAS, but there is no indication of the connection speed
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Jul 26, 2011
I have DIR-655 and Dell notebook with 1702 802.11 b/g/n adapter. I can not get better speed then 65Mbps.
DIR-655 has next settings for its wireless:
802.11g/n mixed mode
transmission rate: best
channel width: auto 20/40MHz
and WPA2 with AE
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Feb 21, 2012
I've had a DIR-600 for years, and this past month it has been really bad. I have a 3mbps Cable connection, always worked fine and fast, but since the start of the month I've been getting, at most, 60kb/s of download speed (I have a wired connection to the router). Speed tests register everything as fine, except for the download speed, which is really unstable and shoots all over the place, going from 1MB/s to 0 in some instances. I thought it was the ISP being bad since we're having a lot of problems with this provider where I work, but got tired of it and decided to do some troubleshooting myself. When I connect directly to the modem, without the router, I get the same fast speeds I used to. I tried rebooting everything, I tried resetting the router to factory defaults, but nothing seemed to change that. DL speed is always below 60KB/s and if something is downloading at that speed, a single page takes a minute to load.
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Nov 17, 2012
How can I go about checking the link speed of my wifi on my iPhone? Android devices show it as standard when you click on the network you're connected to and Windows shows it via Task manager/Wireless properties.
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Jul 14, 2011
I recently picked up this router on clearance to replace a Linksys WRT54GS in the hopes that I would get better speeds for streaming multi-media (NETFLIX). I live in a single story home with a room over the garage (this is where my cable modem and Dlink router are located). To increase signal strength throughout my house I had previously purchased an EnGenius ERB9250 range extender (which supports 802.11N 300mbs), now all my wireless devices show full bars anywhere in the house. Unfortunately when I test my connection to the wireless network I seem to only be registering about 5 - 8 mbs. This really isn't any better than I was getting with my older Linksys, but I thought the Dlink could do up to 150mbs. I have verified that both my range extender and the router are configured correctly, and have tried disabling the QoS (read somewhere that it might drop signals). So far nothing I do seems to increase performance. Is this normal for this router? Am I being unrealistic in trying to get better performance? Is there anything special I need to do to increase performance? I downloaded several wireless sniffers and have set my router to wireless channel 6 as this is the least used by my neighbors (actually shows as 6+2).
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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 7, 2012
Router Starts at full speed 300/270/243, jumps around a bit. Then around 5 minutes speed is cut in half 130 Mbps. I tested it out for 2 hours rebooting it, and in almost exactly 5 minutes the speed is cut in half every time. Is my router bad? Or is the good neighbor policy just going into effect? I do have a lot of traffic, I am in a apartment, but I use a free channel
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