2 weeks ago 4000 kbps, now ~2500kbps

Xinef · Post by **Xinef** » Tue Jul 17, 2007 10:26 pm

I'm on Bell Sympatico's High speed 5 Mb line, I've never had any speed issues until now. I did not change any settings, or phone companies. Used to always get a constant 4.4 Mb, but now brought down to 2.5 Mb line. I havent called bell yet, but just wanted to see if tweaking will work. here are my stats.

« SpeedGuide.net TCP Analyzer Results »
Tested on: 07.17.2007 22:24
IP address: 70.52.xxx.xxx

TCP options string: 020405ac01010402
MSS: 1452
MTU: 1492
TCP Window: 65535 (NOT multiple of MSS)
RWIN Scaling: 0
Unscaled RWIN : 65535
Reccomended RWINs: 63888, 127776, 255552, 511104
BDP limit (200ms): 2621kbps (328KBytes/s)
BDP limit (500ms): 1049kbps (131KBytes/s)
MTU Discovery: ON
TTL: 114
Timestamps: OFF
SACKs: ON
IP ToS: 00000000 (0)

trogers · Post by **trogers** » Tue Jul 17, 2007 10:33 pm

Try the following with TCP Optimizer:

General Settings tab:
Custom settings - check
Modify All Network Adapters - check
network adapter selection - your NIC
MTU 1492
TTL - 64
TCP Receive Window - 127776
MTU Discovery - Yes
Black Hole Detect - No
Selective Acks - Yes
Max Duplicate ACKs - 2
TCP 1323 Options:
Windows Scaling - checked
Timestamps - uncheck

Advanced Settings tab:
Max Connections per Server - 10
Max Connections per 1.0 Server - 20
LocalPriority - 1
Host Priority - 1
DNSPriority - 1
NetbtPriority - 1
Lan Browsing speedup - optimized
QoS: NonBestEffortLimit - 0
ToS: DisableUserTOSSetting - 0
ToS: DefaultTOSValue - 80
MaxNegativeCacheTtl - 0
NetFailureCacheTime - 0
NegativeSOACache Time - 0
LAN Request Buffer Size - 32768
Then select "Apply Changes" and reboot to take effect

Xinef · Post by **Xinef** » Tue Jul 17, 2007 11:07 pm

hmm, its still the same, I will call bell. Hopefully its nothing wrong on my end, everything was fine before. Thanks for your help tho!

trogers · Post by **trogers** » Tue Jul 17, 2007 11:28 pm

Scan for possible spyware/malware.

Search Google, download, install, update and use the following:

SpyBot
Ad-Aware 2007
a-Squared Free

Xinef · Post by **Xinef** » Wed Jul 18, 2007 11:11 pm

Still slow download speeds compared to what I used to get about 2 weeks ago.
This is my latest speed test:

Compared to what I used to get:

So I called Bell today. And Earlier today it was running faster than it was now. I was getting around 300kB/s. And so I told him my situation. My speed dropped about 2 weeks ago and before that I used to always get a constant speed of about 500kB/s. So he makes me go through the usual tests, unplug modem blah blah blah. Then he tells me to go to the download.sympatico.ca website and download a usb driver, funny thing is, he tells me to download a driver that was not for the brand of modem that I am using. But anyways, while downloading, he asks what the transfer rate was, so I told him it was just under 300kB/s. His response "Sir, you are getting the right speeds. Those are the average speeds for High speed." I told him I understand that its the correct "AVERAGE" speed, and explained to him again WHY I called. His response is still the same "Those are the averages speeds for High Speed." Once again I tell him I understand that, but it's not what I used to get and I just told him forget it, obviously you're not listening to what I am saying and just hung up. Right away the phone rings, it was a 613 area code number. I figure it was the tech guy, didn't bother answering, he called twice. So now I am stuck with WAY slower than normal speeds, and still paying full price for it.

trogers · Post by **trogers** » Thu Jul 19, 2007 12:18 am

Could be a line problem. Do a tracert to http://www.yahoo.com and post.

Xinef · Post by **Xinef** » Thu Jul 19, 2007 8:05 am

Tracing route to http://www.yahoo-ht3.akadns.net [209.131.36.158]
over a maximum of 30 hops:

1 <1 ms <1 ms <1 ms 192.168.2.1
2 8 ms 8 ms 8 ms 64.230.197.237
3 6 ms 6 ms 6 ms dis47-toronto63_Vlan114.net.bell.ca [64.230.241.
73]
4 6 ms 6 ms 6 ms core4-toronto63_GE5-0.net.bell.ca [64.230.220.22
9]
5 6 ms 7 ms 6 ms bx1-toronto63_POS2-0.net.bell.ca [64.230.242.118
]
6 7 ms 6 ms 6 ms if-4-0.mcore3.TTT-Scarborough.teleglobe.net [216
.6.98.17]
7 22 ms 22 ms 22 ms if-6-0.core2.CT8-Chicago.teleglobe.net [66.110.1
4.9]
8 22 ms 22 ms 23 ms if-5-0.core1.CT8-Chicago.teleglobe.net [66.110.1
4.178]
9 46 ms 46 ms 46 ms 66.110.27.6
10 72 ms 72 ms 72 ms if-9-0-0.mcore3.PDI-PaloAlto.teleglobe.net [216.
6.29.25]
11 72 ms 72 ms 71 ms if-10-0.core3.PDI-PaloAlto.Teleglobe.net [207.45
.220.5]
12 88 ms 72 ms 82 ms ix-6-2.core3.PDI-PaloAlto.Teleglobe.net [207.45.
213.130]
13 72 ms 79 ms 73 ms g-0-0-0-p150.msr2.sp1.yahoo.com [216.115.107.73]

14 73 ms 73 ms 72 ms te-8-1.bas-a2.sp1.yahoo.com [209.131.32.19]
15 78 ms 84 ms 74 ms f1.http://www.vip.sp1.yahoo.com [209.131.36.158]

Trace complete.

trogers · Post by **trogers** » Thu Jul 19, 2007 8:33 am

Xinef wrote:Tracing route to http://www.yahoo-ht3.akadns.net [209.131.36.158]
over a maximum of 30 hops:

1 <1 ms <1 ms <1 ms 192.168.2.1
2 8 ms 8 ms 8 ms 64.230.xxx.xxx
3 6 ms 6 ms 6 ms dis47-toronto63_Vlan114.net.bell.ca [64.230.241.73]
4 6 ms 6 ms 6 ms core4-toronto63_GE5-0.net.bell.ca [64.230.220.229]
5 6 ms 7 ms 6 ms bx1-toronto63_POS2-0.net.bell.ca [64.230.242.118]
6 7 ms 6 ms 6 ms if-4-0.mcore3.TTT-Scarborough.teleglobe.net [216.6.98.17]
7 22 ms 22 ms 22 ms if-6-0.core2.CT8-Chicago.teleglobe.net [66.110.14.9]
8 22 ms 22 ms 23 ms if-5-0.core1.CT8-Chicago.teleglobe.net [66.110.14.178]
9 46 ms 46 ms 46 ms 66.110.27.6
10 72 ms 72 ms 72 ms if-9-0-0.mcore3.PDI-PaloAlto.teleglobe.net [216.6.29.25]
11 72 ms 72 ms 71 ms if-10-0.core3.PDI-PaloAlto.Teleglobe.net [207.45.220.5]
12 88 ms 72 ms 82 ms ix-6-2.core3.PDI-PaloAlto.Teleglobe.net [207.45.213.130]
13 72 ms 79 ms 73 ms g-0-0-0-p150.msr2.sp1.yahoo.com [216.115.107.73]
14 73 ms 73 ms 72 ms te-8-1.bas-a2.sp1.yahoo.com [209.131.32.19]
15 78 ms 84 ms 74 ms f1.http://www.vip.sp1.yahoo.com [209.131.36.158]

Trace complete.

There is one unusual point in your tracert - ping times from your modem (hop 2) are higher than those from the intermediate routers of your ISP (hop 3-5) even when they are located tens to over a hundred miles from you.

Check to see if you are using the latest firmware for your modem.

Also, what kind of firewall and antivirus are you using? They may be causing some degree of stalling to your signals.

Xinef · Post by **Xinef** » Thu Jul 19, 2007 9:45 am

Modem has latest firmware installed. The only firewall I'm using is the windows one, and I'm using AVG for anti-virus.

trogers · Post by **trogers** » Thu Jul 19, 2007 9:51 am

Try this NDT test. Post the report under the 'Statistics' button:

http://nitro.ucsc.edu/

Xinef · Post by **Xinef** » Thu Jul 19, 2007 6:34 pm

trogers wrote:Try this NDT test. Post the report under the 'Statistics' button:

http://nitro.ucsc.edu/

WEB100 Enabled Statistics:
Checking for Middleboxes . . . . . . . . . . . . . . . . . . Done
checking for firewalls . . . . . . . . . . . . . . . . . . . Done
running 10s outbound test (client-to-server [C2S]) . . . . . 665.0kb/s
running 10s inbound test (server-to-client [S2C]) . . . . . . 2.49Mb/s

------ Client System Details ------
OS data: Name = Windows XP, Architecture = x86, Version = 5.1
Java data: Vendor = Sun Microsystems Inc., Version = 1.6.0_01

------ Web100 Detailed Analysis ------
Cable modem/DSL/T1 link found.
Link set to Full Duplex mode
No network congestion discovered.
Good network cable(s) found
Normal duplex operation found.

Web100 reports the Round trip time = 202.1 msec; the Packet size = 1452 Bytes; and
No packet loss was observed.
C2S throughput test: Packet queuing detected: 1.02%
S2C throughput test: Packet queuing detected: 2.73%
This connection is receiver limited 92.07% of the time.
This connection is network limited 7.76% of the time.

Web100 reports TCP negotiated the optional Performance Settings to:
RFC 2018 Selective Acknowledgment: OFF
RFC 896 Nagle Algorithm: ON
RFC 3168 Explicit Congestion Notification: OFF
RFC 1323 Time Stamping: OFF
RFC 1323 Window Scaling: OFF

Server 'nitro.ucsc.edu' is not behind a firewall. [Connection to the ephemeral port was successful]
Client is probably behind a firewall. [Connection to the ephemeral port failed]
Information: Network Middlebox is modifying MSS variable
Server IP addresses are preserved End-to-End
Information: Network Address Translation (NAT) box is modifying the Client's IP address
Server says [70.53.XXX.XXX] but Client says [192.168.2.11]

Xinef · Post by **Xinef** » Thu Jul 19, 2007 8:47 pm

Hmm so I checked my modem stats, this is what i got:

By the looks of it, I'm on a 3 Mb line when I'm supposed to be on 5Mb. SO the stupid tech support guy doesn't know what the hell he is doing!

mccoffee · Post by **mccoffee** » Thu Jul 19, 2007 9:28 pm

Also some providers if you own your modem they might have to cuztomize the firmware for your modem model make sure your modem is rated for the new speed to begin with. Also with that comapny it's up to 8 they may only give a certain portation of it if you read there faq's on there site the my sate something simmilar

Xinef · Post by **Xinef** » Thu Jul 19, 2007 9:30 pm

I've been with sympatico for over a year now, this problem just started happening. I used to be able to get 4.4 Mbps because I'm (was) subscribed to their high speed 5 Mb line, and now on modem stats its shown as 3Mb, it wasn't an upgrade, the 3Mb to 5Mb upgrade happened when I first got symaptico.

mccoffee · Post by **mccoffee** » Thu Jul 19, 2007 9:36 pm

Thanks for the reply though is there any noise on the line ,clicks and static ? ,or did you move the modem at all?

Keep the modem away from all electrical devices make sure your filters on the phones ,and jacks the filters can go bad which could be a speed drop..

It's kinda odd they dropped the speed on ya there site unless i'm missing something which could be only stats the 3mb plain i'll keep digging.

Xinef · Post by **Xinef** » Thu Jul 19, 2007 9:40 pm

No noise on phone or clicks. Never had an issue before. I know for a fact I was on a 5Mb line, And should be able to stay on that 5Mb line. Calling tech support and chatting with them online did not help me at all. This is very frustrating.

Xinef · Post by **Xinef** » Thu Jul 19, 2007 9:59 pm

Wow this is truly getting out of hand. I am now getting constant drops, have to refresh my connection every 10 mins or i will get disconnected.

trogers · Post by **trogers** » Thu Jul 19, 2007 10:52 pm

The NDT test shows your Windows Scaling is turned off. That means your TCP Window is at 65535 or less.

Post your TCP Analyzer report again.

Xinef · Post by **Xinef** » Thu Jul 19, 2007 11:05 pm

« SpeedGuide.net TCP Analyzer Results »
Tested on: 07.19.2007 23:05
IP address: 70.53.xxx.xxx

TCP options string: 020405ac
MSS: 1452
MTU: 1492
TCP Window: 65535 (NOT multiple of MSS)
RWIN Scaling: 0
Unscaled RWIN : 65535
Reccomended RWINs: 63888, 127776, 255552, 511104
BDP limit (200ms): 2621kbps (328KBytes/s)
BDP limit (500ms): 1049kbps (131KBytes/s)
MTU Discovery: ON
TTL: 114
Timestamps: OFF
SACKs: OFF
IP ToS: 00000000 (0)

shoreke · Post by **shoreke** » Sat Jul 21, 2007 7:47 am

trogers · Post by **trogers** » Sat Jul 21, 2007 8:28 am

Try the following with TCP Optimizer again and make sure TCP Receive Window is set to 127776 before clicking 'Apply':

General Settings tab:
Custom settings - check
Modify All Network Adapters - check
network adapter selection - your NIC
MTU 1492
TTL - 64
TCP Receive Window - 127776
MTU Discovery - Yes
Black Hole Detect - No
Selective Acks - Yes
Max Duplicate ACKs - 2
TCP 1323 Options:
Windows Scaling - checked
Timestamps - uncheck

Advanced Settings tab:
Max Connections per Server - 10
Max Connections per 1.0 Server - 20
LocalPriority - 1
Host Priority - 1
DNSPriority - 1
NetbtPriority - 1
Lan Browsing speedup - optimized
QoS: NonBestEffortLimit - 0
ToS: DisableUserTOSSetting - 0
ToS: DefaultTOSValue - 80
MaxNegativeCacheTtl - 0
NetFailureCacheTime - 0
NegativeSOACache Time - 0
LAN Request Buffer Size - 32768
Then select "Apply Changes" and reboot to take effect

Xinef · Post by **Xinef** » Sat Jul 21, 2007 3:36 pm

Man, tech support are a bunch of liars!
I did not change the TCP optimizer settings yet, but I did another chat with tech support. and they tell me I am on a 3mbps line and its at full speed. WHAT? so they try and get me to upgrade to ultra. but no i decline, because I am on Highspeed and it is 5mbps as well or as it states on bells website Up to 5 mbps. Yes I know, UP TO, but as stated before I can achieve 5 mbps without the stupid ultra upgrade! this is so stupid! Im gonna email bell execs now. Useless talking to tech support.

shoreke · Post by **shoreke** » Thu Jul 26, 2007 8:20 am

Tweaks work