SG Broadband Community

trogers

I changed my MTU to 1492 but didn't noticed any improvements.
Any other ideas?

And btw is it able to go around the "Auto Tuning" and disable it somehow and tweak the RWIN?
I'm going to try the default settings and see if I notice any improvements or deterioration.

See: http://www.speedguide.net ...

trogers

sorgard6 wrote:I should really want some help fast, going to bed in 1 hour or something, everyone who have knowledge please help me out! Thanks once again!

Set your MTU to 1492 and see if problem persists.

trogers

daniellindon wrote:My only query would be that the router is in the same place as my old one though, which is why I am guessing there is some technical aspect I have got wrong ??

A tracert to http://www.yahoo.com to check on ping times at the first few hops will show if interference is the cause.

trogers

I have it in my living room, the opposite side to all my TV, games systems, sky, sound system etc. The closest thing to it will be my fish tank which uses electric for the heater and lights. I understand that fish tanks may deflect wireless but I have never experienced problems from this, my old ...

trogers

daniellindon wrote:Hi

I have now changed to a new router (Asus DSL-N13 802.11n Wireless ADSL 2/2+)

I believe this is a gateway device, a modem cum router. Make sure it is placed isolated away from ALL other electrical devices.

trogers

sorgard6 wrote:Hello forum!

I have ADSL

MSS: 1460
MTU: 1500

Had always thought that ADSL employs MTU of up to 1492 only.

trogers

Ping times look much better. A modem is sensitive to electrical interference emitted by other devices and is best placed isolated. Electricity passing through coiled wires generate electromagnetism that can also interfere, thus we avoid coiling cables up.

trogers

Hi guys,

ive got a 100 mbit cable connection, which is working perfectly, but after some time the speed drops to like 4.5 mb/s with only 1.4 mb/s per thread at max. when i reboot my computer or deactivate and activate my networkcard the problem is solved. so it cant be my line. anyone know what ...

trogers

Speed test shows you are getting 1.5 mbps download speed. What speed did you pay to get?

trogers

Sounds like high ping times are due to network congestion, your network or some network along your signal route to the game server. There are no program that can help in this.

trogers

Uneven ping times at your modem in hop 1 of both tracerts. Power off the modem and relocate it to a spot a few feet away from ALL other electrical devices, including away from the router if it is a separate device. Also, make sure you do not coil up any signal or power cables.

trogers

See: http://www.speedguide.net/faq_in_q.php? ... 42&qid=292

trogers

Our home XP and Window's 7 rigs ...

Tested everyday since my last post and the only problem I see is around 2:30 in the afternoon there is some sort of interference and the speeds are very erratic? Any suggestions to find out what the interference might be? Is there a tool that picks up air waves ...

trogers

Post your TCP Analyzer report.

Where are you located?

trogers

Your XP comp is not tweaked for 7 mbps line.

Try the following on your XP computer with the TCP Optimizer:

General Settings tab:
Custom settings - check
Modify All Network Adapters - check
network adapter selection - your NIC
MTU - 1300
TTL - 64
Checksum Offloading : enabled 0
Windows Scaling ...

trogers

Packet losses slow speed more when latency in the connection is higher. A wired connection does not suffer wireless interference and thus does not encounter packet losses.

trogers

If a packet size isn't a multiple of 48 bytes it will be *padded*

If MTU is set at 1448, and MSS is 1408 (less 40 for overheads), neither values are multiple of 48.

trogers

Does speed drop with only wired connection, or with only wireless. Firmware of router is up to date. What about the drivers of the network and wireless adapters in the computers?

trogers

Pay attention to if it's a capital "B", or a lower case "b".
Connection speeds and transfer rates are rated differently. Usually you'll find actual transfer speeds are 8 times less, and use the "B".

What this means is "B" is file transfer rate in Bytes. And internet speed is "b" in bits.

1 ...

trogers

Could be the same cause as this: http://www.speedguide.net/articles/rout ... olved-1885

trogers

Do a tracert to http://www.yahoo.com and post.

trogers

Are the disconnections at the modem or the router?

If modem, problem may be along the line, or the modem is being placed near to some other electrical device such as speaker, phone set or the router.

trogers

My cordless is Dect 6.0 so that should not cause any interference... i think!?!

I updated the wireless adapter card driver and still no improvements in speed... in fact it's slowly started to slow again and is now back down to speeds of 4.6mbps download and 0.51mbps upload with a ping of 21ms ...

trogers

Tracing route to google.com [74.125.91.106]
over a maximum of 30 hops:

1 8 ms 10 ms 17 ms 192.168.1.1

Normal ping times at the router in hop 1 should be

1 <1ms <1ms <1ms when the comp is connected to the router with ethernet cable

and

1 1ms 1ms 1ms when connected through wireless.

My ...

trogers

buffers are 160 each, is that any good?

Mine are set for receive - 100 and transmit - 50.

These buffer settings are applicable between the NiC and the comp, and will not influence buffer for the internet connection. TCP window or Rwin is the set buffer for the internet, and in Vista and Win 7 ...

trogers

Already done that, what should I have my speed and duplex settings on, and my transmit and receive buffers to?

Speed & Duple should be set to auto, and buffers set at default.

Then test at this site: - http://nitro.ucsc.edu/

If there is duplex mismatch, set Speed & Duplex to 100Mbps Full ...

trogers

Perhaps the comp needs a driver update for its network adapter card to match its operating system.

trogers

The lifestyle of Suburbia is not sustainable without cheap oil, and the poor internet service in the US is only pointing out this reality. Perhaps each community pools funds together to pay and maintain a 50-mile fiber line to the nearest ISP ultra speed node, then the cost of living in such a way ...

trogers

The problem is not in the line as one comp can get much more than subscribed speed.

Probably difference is how the browser is reacting to speed boosting feature of the ISP.

trogers

No, RWIN Scaling: 0 bits means Windows autotuning is disabled.

Run TCP Optimizer with admin rights and set to Optimal mode.

trogers

Upstream power level at 33 dBMV is too low. See - http://www.speedguide.net/faq_in_q.php? ... =92&qid=78

You need to call in your ISP tech to check on signal quality.

trogers

Win 7 autotunes, and Rwin cannot be manually set. Seems your TCP settings are already optimized.

The very low upload speed indicates either the presence of malware, or your have problem with signal quality.

First, log into cable modem and check out its signal power levels.

trogers

« SpeedGuide.net TCP Analyzer Results »
Tested on: 06.02.2011 11:30
IP address: 59.182.xx.xxx
Client OS: Windows XP

TCP options string: 020405ac0103030201010402
MSS: 1452
MTU: 1492
TCP Window: 257004 (multiple of MSS)
RWIN Scaling: 2 bits (2^2=4)
Unscaled RWIN : 64251
Recommended RWINs ...

trogers

Because your internet service is ADSL.

trogers

Try the following with TCP Optimizer:

General Settings tab:
Custom settings - check
Modify All Network Adapters - check
network adapter selection - your NIC
MTU - 1500
TTL - 64
Windows Scaling - uncheck
TCP Receive Window - 64240
MTU Discovery - Yes
Black Hole Detect - No
Selective Acks - Yes
Max ...

trogers

Tell us your location and the speed you paid to get.

trogers

Yes, the channel mode is set to interleaved which is the only mode my ISP supports right now unfortunately. So I guess the only solution is to get another ISP that offers other channel modes, right? :(

Interleaved signals are employed in areas where the phone lines are rather old, to reduce ...

trogers

Log into your router to check if connection is interleaved DSL.

If so, ping times at hop 2 are correct. Only non-interleaved signals give ping times below 20ms at the modem.

trogers

C:\Users\ELMS>tracert http://www.yahoo.com

Tracing route to any-fp.wa1.b.yahoo.com [209.191.122.70]
over a maximum of 30 hops:

1 21 ms 24 ms 23 ms 112.204.xxx.xxx.pldt.net [112.204.xxx.xxx]
2 22 ms 22 ms 23 ms 119.93.255.133
3 193 ms 275 ms 120 ms 210.213.133.38.static.pldt.net [210.213.133 ...

trogers

Thank you so much my internet is faster now but can you make it even faster or this one is good? thank you again.

http://www.speedtest.net/result/1317581338.png

Do a tracert to http://www.yahoo.com and post.

Start and type cmd into the box and press enter

A black DOS box will pop up

After c ...

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