KWGR614 Throughput

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March 11, 2008 06:37 PM

Categories: KWGR614 (Legacy)

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Borage

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Joined: 03/11/2008

I decided to perform a performance test from WAN to LAN, and I must say that I'm very impressed of the upstream capacity. My router performed more than 10 MB/s from WAN to LAN (upstream), but only 700 KB/s from WAN to LAN (downstream). Is that normal, or can I do something about it? My router has firmware V1.0.1_10.17WW preinstalled from the factory.

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wrthack

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March 12, 2008 2:36 PM

Which router are you testing our? is it KWGR614 or WGR614L?

Please be a little more clear about which one you are measuring - i.e. LAN-to-WAN or WAN-to-LAN.

The figures are normal in cases of DSL type of connections where upstream is much lower than downstream. It will be great if you could let me know about your test setup and what did you use to measure the performance.

Also I guess you mean 10MBytes/Sec and 700Kbytes/Sec and not Mbits/Sec.

In a controlled setup you would get almost the same throughput in both LAN-WAN and WAN-LAN directions.

wrthack

March 12, 2008 2:36 PM

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Nachi

NETGEAR

March 12, 2008 2:39 PM

Yes that's correct.

In case of KWGR614L - 10Mbytes/Sec tcp throughput is expected. WAN-LAN should also give almost the same (may be a little lower).

In case of WGR614L the throughput should be in the range of 3-4Mbytes/Sec for LAN-WAN traffic in both directions, provided your internet link has enough bandwidth.

Borage

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March 12, 2008 4:05 PM

wrthack said: Which router are you testing our? is it KWGR614 or WGR614L? Please be a little more clear about which one you are measuring - i.e. LAN-to-WAN or WAN-to-LAN. The figures are normal in cases of DSL type of connections where upstream is much lower than downstream. It will be great if you could let me know about your test setup and what did you use to measure the performance. Also I guess you mean 10MBytes/Sec and 700Kbytes/Sec and not Mbits/Sec. In a controlled setup you would get almost the same throughput in both LAN-WAN and WAN-LAN directions.

First of all, I've been working as a network technician since 1993. I know the difference between bits and bytes.

Router KWGR614 (as the name of this subforum).

It's correct that I got 10 Mega Bytes per second LAN to WAN (not 10 Megabit/s). According to the specification, this router provides wired-speed routing performance. Read the specification on the following page.

http://www.netgear.com/Products/RoutersandGateways/GWirelessRouters/KWGR614.aspx?detail=Specifications

The problem is that I only get wired-speed from LAN to WAN, not from WAN to LAN. Only 700 KB/s WAN to LAN.

I have a 100/100 Mbps internet connection.

Borage

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March 19, 2008 4:43 PM

Okey, I found the problem (or I think so). It was probably the switch between KWGR614 and the test server. The problem was quite unique. I connected my router right after I purchased it and got only around 5 Mbit/s download speed, and when I flashed it with a custom firmware, downstream speed immediately raised to around 85 Mbit/s.

I reverted to the stock firmware and again slow download speed, I started to be desperate so I flashed my router with the korean firmware and got immediately fast download speed. I repeaded this with 5-10 different firmwares, and always when I used the stock firmware, download speed decreased to around 5 Mbit/s.

I unplugged the network cable and plugged it in after 10 seconds , then I got full download speed with the stock firmware. I'm not sure what the problem is, but I never get this problem with my latest custom built firmware.

Peter Redmer

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March 19, 2008 4:55 PM

This is good for everyone in the community to know, Borage - thanks for your input and hard work on this and for posting your solution!

Peter Redmer
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Borage

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March 19, 2008 8:42 PM

I also learned something, I reviewed every piece of code, even if I didn't understood anything.

You can wake me up in the middle of the night and ask me for a firmware, and I'll issue the commands make menuconfig & make dep & make faster than you can say "Victoria's Secret on Fox Tonight at Nine".

Nachi

NETGEAR

March 20, 2008 2:43 AM

A very wild guess and may not be a correct guess - but at times the two ethernet PHY (one at the router's WAN port and the other at your switch) could negotiate down to 10 Mbps instead of 100Mbps (even when both are capable of 100MBPS) and that could possibly be the reason for almost 10 times less through put. I am not sure why this is happening with the stock firmware - possibly some problem with the autonegotiation setting in the MDIO.

Good luck and I will be very much interested if you could figure out what happned.

desiv

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March 20, 2008 9:45 PM

Borage said: I also learned something, I reviewed every piece of code, even if I didn't understood anything. You can wake me up in the middle of the night and ask me for a firmware, and I'll issue the commands make menuconfig & make dep & make faster than you can say "Victoria's Secret on Fox Tonight at Nine".

Q: Does that mean you have been able to compile custom firmware for the KWGR614?

I haven't been able to do that. Well, not and get something that worked with wireless.

Might you have some hints (downloaded file versions, options chosen, etc..)?

I downloaded the files from from Netgear and followed their instructions to the letter, and nothing.

I used some code patches from the Netgear forums, and I was able to get it compiled, but the leds were all wrong and there was no wireless. (Routing and switching appeard to work tho)

I'd love to be able to build successfully, even the standard firmware, so I could use that as a starting point.

Thanx,

desiv

Borage

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March 21, 2008 7:17 AM

desiv said: Q: Does that mean you have been able to compile custom firmware for the KWGR614? I haven't been able to do that. Well, not and get something that worked with wireless. Might you have some hints (downloaded file versions, options chosen, etc..)? I downloaded the files from from Netgear and followed their instructions to the letter, and nothing. I used some code patches from the Netgear forums, and I was able to get it compiled, but the leds were all wrong and there was no wireless. (Routing and switching appeard to work tho) I'd love to be able to build successfully, even the standard firmware, so I could use that as a starting point. Thanx, desiv

Yes, I have been able to compile a custom firmware. The firmware has WDS support, and if you are interested, you can download it from the following link.

http://www.rarhost.com/download-qvbiv2.html

I downloaded the file from Netgear's ftp server and fixed some bugs in the file "vendors/Realtek/RTL865XB/Makefile". You probably fixed that with the patch from the forum, otherwise you wouldn't be able to build the source.

There is two different versions of the GPL package. I think I used the file compressed with bzip2, but I'm not 100% sure. If it doesn't work out, try the other one.

ftp://downloads.netgear.com/files/GPL/KWGR614_V1.0.1_10.17WW_src.tar.bz2

Here is the other file.

ftp://downloads.netgear.com/files/GPL/KWGR614_V1.0.1_10.17WW_gpl_package.zip

desiv

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