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Dok

Charter cable internet really slow, comments please

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i have charter cable internet and it is supposed to be 3mb/s download but heres my results.

:::.. Download Stats ..:::

Connection is:: 354 Kbps about 0.4 Mbps (tested with 1013 kB)

Download Speed is:: 43 kB/s

Tested From:: https://testmy.net (server2)

Test Time:: Tue Jan 24 18:34:12 CST 2006

Bottom Line:: 6X faster than 56K 1MB download in 23.81 sec

Diagnosis: May need help : running at only 12.74 % of your hosts average (charter.com)

Validation Link:: https://testmy.net/stats/id-6T5OABEN8

i am running a xeon processor 3.8 GHz , 1.5gig ram , radeon 9800 pro VC.

i tried moving the router and the modem apart but that only slightly improved the situation.

SpeedGuide.net TCP/IP Analyzer

TCP properties for IP = *********** ()

Browser/OS = Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; Crazy Browser 2.0.1)

Notes: Read the Analyzer FAQ if the above is not your IP address.

TCP options string = 020405b401010402

MTU = 1500

MTU is fully optimized for broadband.

MSS = 1460

Maximum useful data in each packet = 1460, which equals MSS.

Default Receive Window (RWIN) = 65535

RWIN Scaling (RFC1323) = 0 bits

Unscaled Receive Window = 65535

Note: TCP 1323 Options need to be enabled for RWIN over 2^16 (65535). Windows 9x might also need the MS Vtcp386 fix.

For optimum performance, consider changing RWIN to a multiple of MSS.

Other values for RWIN that might work well with your current MTU/MSS:

513920 (MSS x 44 * scale factor of 8)

256960 (MSS x 44 * scale factor of 4)

128480 (MSS x 44 * scale factor of 2)

64240 (MSS x 44) 

bandwidth * delay product (Note this is not a speed test):

Your RcvWindow limits you to: 2621.4 kbps (327.675 KBytes/s) @ 200ms

Your RcvWindow limits you to: 1048.56 kbps (131.07 KBytes/s) @ 500ms

MTU Discovery (RFC1191) = OFF

Time to live left = 116 hops

TTL value is ok.

Timestamps (RFC1323) = OFF

Selective Acknowledgements (RFC2018) = ON

IP type of service field (RFC1349) = 00000000 (0)

please give me tips to speed up my connection

Dok

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I tried that and heres what i got

:::.. Download Stats ..:::

Connection is:: 355 Kbps about 0.4 Mbps (tested with 1013 kB)

Download Speed is:: 43 kB/s

Tested From:: https://testmy.net (server1)

Test Time:: Wed Jan 25 20:06:59 CST 2006

Bottom Line:: 6X faster than 56K 1MB download in 23.81 sec

Diagnosis: May need help : running at only 12.82 % of your hosts average (charter.com)

Validation Link:: https://testmy.net/stats/id-5OT03QVR9

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Please do this Network Diagnostic Test and post the results for Statistcs and the last two paragraphs of More Details.

Examples:

WEB100 Enabled Statistics:

Checking for Middleboxes . . . . . . . . . . . . . . . . . .  Done

running 10s outbound test (client to server) . . . . . 455.87Kb/s

running 10s inbound test (server to client) . . . . . . 750.79kb/s

------  Client System Details  ------

OS data: Name = Windows XP, Architecture = x86, Version = 5.1

Java data: Vendor = Sun Microsystems Inc., Version = 1.5.0_06

------  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 = 243.9 msec; the Packet size = 1444 Bytes; and

There were 31 packets retransmitted, 69 duplicate acks received, and 74 SACK blocks received

The connection stalled 1 times due to packet loss

The connection was idle 0.47 seconds (4.7%) of the time

This connection is receiver limited 11.19% of the time.

This connection is network limited 88.78% of the time.

Web100 reports TCP negotiated the optional Performance Settings to:

RFC 2018 Selective Acknowledgment: ON

RFC 896 Nagle Algorithm: ON

RFC 3168 Explicit Congestion Notification: OFF

RFC 1323 Time Stamping: OFF

RFC 1323 Window Scaling: OFF

Information: Network Middlebox is modifying MSS variable

Server IP addresses are preserved End-to-End

Client IP addresses are preserved End-to-End

estimate = 0.68 based on packet size = 11Kbits, RTT = 243.9msec, and loss = 0.004418262

The theoretical network limit is 0.68 Mbps

The NDT server has a 101.0 KByte buffer which limits the throughput to 3.23 Mbps

Your PC/Workstation has a 62.0 KByte buffer which limits the throughput to 1.99 Mbps

The network based flow control limits the throughput to 2.03 Mbps

Client Data reports link is 'T1', Client Acks report link is 'T1'

Server Data reports link is '10 Gig', Server Acks report link is 'Ethernet'

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------  Web100 Detailed Analysis  ------

Cable modem/DSL/T1 link found.

Link set to Full Duplex mode

Information: throughput is limited by other network traffic.

Good network cable(s) found

Normal duplex operation found.

Web100 reports the Round trip time = 202.03 msec; the Packet size = 1460 Bytes; and

There were 5 packets retransmitted, 42 duplicate acks received, and 45 SACK blocks received

The connection was idle 0 seconds (0%) of the time

This connection is network limited 99.98% of the time.

Excessive packet loss is impacting your performance, check the auto-negotiate function on your local PC and network switch

Web100 reports TCP negotiated the optional Performance Settings to:

RFC 2018 Selective Acknowledgment: ON

RFC 896 Nagle Algorithm: ON

RFC 3168 Explicit Congestion Notification: OFF

RFC 1323 Time Stamping: OFF

RFC 1323 Window Scaling: OFF

Packet size is preserved End-to-End

Server IP addresses are preserved End-to-End

Information: Network Address Translation (NAT) box is modifying the Client's IP address

Server says [***********] but Client says [***********]

estimate = 0.45 based on packet size = 11Kbits, RTT = 202.03msec, and loss = 0.014925373

The theoretical network limit is 0.45 Mbps

The NDT server has a 101.0 KByte buffer which limits the throughput to 3.90 Mbps

Your PC/Workstation has a 63.0 KByte buffer which limits the throughput to 2.47 Mbps

The network based flow control limits the throughput to 0.44 Mbps

Client Data reports link is 'T1', Client Acks report link is 'T1'

Server Data reports link is 'T1', Server Acks report link is 'T1'

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Try this ccs file.

The test report shows 2 possible causes for your slow download speed:

Information: Network Address Translation (NAT) box is modifying the Client's IP address

  Server says [***********] but Client says [***********]

The network based flow control limits the throughput to 0.44 Mbps

Are you using a proxy server?

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no i am not using a proxy server, i am using 2 routers

heres the results with that ccs file

:::.. Download Stats ..:::

Connection is:: 365 Kbps about 0.4 Mbps (tested with 1013 kB)

Download Speed is:: 45 kB/s

Tested From:: https://testmy.net (server2)

Test Time:: Wed Jan 25 2006 20:59:58 GMT-0600 (Central Standard Time)

Bottom Line:: 7X faster than 56K 1MB download in 22.76 sec

Diagnosis: May need help : running at only 13.18 % of your hosts average (charter.com)

Validation Link:: https://testmy.net/stats/id-N48A1HPEI

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I tried disconnecting both routers and here's what i got

:::.. Download Stats ..:::

Connection is:: 347 Kbps about 0.3 Mbps (tested with 1013 kB)

Download Speed is:: 42 kB/s

Tested From:: https://testmy.net (server2)

Test Time:: Wed Jan 1 23:58:36 CST 2003

Bottom Line:: 6X faster than 56K 1MB download in 24.38 sec

Diagnosis: May need help : running at only 12.58 % of your hosts average (charter.com)

Validation Link:: https://testmy.net/stats/id-IE4F0T8US

so i guess that it isnt the routers fault.

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I know this is an old thread, but if you've come across this page while searching for a solution to your slow internet connection speed from charter, read below.

I'm not 100% sure this is your problem, but this may help explain a little about what is happening to you. I'm currently having this problem myself, and charter's internet service will go down because of this. You may experience download speeds from IE or Firefox of around 1-7kb/s because of this. Like I said this is only what I've come across so far, and the symptoms seem to be in charter's services and not your or my router/modem. I am currently hooked directly up to my modem. I've reset it multiple times and got the same results. Check this link out, it may help.

Sun Outages

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