leftwirm Posted January 31, 2006 CID Share Posted January 31, 2006 I have been reading various post in the forum for the past couple of days trying to determine why I cannot get consistent acceptable results from my DSL connection. I have never come close to the expected 90% of my rated speed of service. Test results show before and after applying Cablenut VanBurens_cablenut_settings_version_8/CABLE_DSL_FIBER_DIAL-UP/WinXP_2K_CABLE_DSL/MTU 1500/1500.ccs I don't understand 98% of the test result data. Any guidance and help you can give will be greatly appreciated. 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 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) = ON Time to live left = 114 hops TTL value is ok. Timestamps (RFC1323) = OFF Selective Acknowledgements (RFC2018) = ON IP type of service field (RFC1349) = 00000000 (0) Test #1:::.. Download Stats ..::: Connection is:: 584 Kbps about 0.6 Mbps (tested with 2992 kB) Download Speed is:: 71 kB/s Tested From:: https://testmy.net (server1) Test Time:: Mon Jan 30 20:12:32 MST 2006 Bottom Line:: 10X faster than 56K 1MB download in 14.42 sec Diagnosis: May need help : running at only 31.36 % of your hosts average (frontiernet.net) Validation Link:: https://testmy.net/stats/id-CUG3DSF89 Test #2:::.. Download Stats ..::: Connection is:: 811 Kbps about 0.8 Mbps (tested with 2992 kB) Download Speed is:: 99 kB/s Tested From:: https://testmy.net (server1) Test Time:: Mon Jan 30 20:15:45 MST 2006 Bottom Line:: 14X faster than 56K 1MB download in 10.34 sec Diagnosis: May need help : running at only 43.58 % of your hosts average (frontiernet.net) Validation Link:: https://testmy.net/stats/id-207SBDETZ WEB100 Enabled Statistics: Checking for Middleboxes . . . . . . . . . . . . . . . . . . Done running 10s outbound test (client to server) . . . . . 157.03Kb/s running 10s inbound test (server to client) . . . . . . 594.74kb/s ------ Client System Details ------ OS data: Name = Windows 2003, Architecture = x86, Version = 5.2 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 = 515.73 msec; the Packet size = 1460 Bytes; and There were 3 packets retransmitted, 40 duplicate acks received, and 42 SACK blocks received The connection was idle 0 seconds (0%) of the time This connection is receiver limited 48.44% of the time. Increasing the the client's receive buffer (63.0 KB) will improve performance This connection is network limited 51.53% 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 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 [65.73.110.231] but Client says [192.168.254.1] The current date is: Mon 01/30/2006 The current time is: 20:30:04.84 Microsoft Windows [Version 5.2.3790] Pinging testmy.net [67.18.179.85] with 32 bytes of data: Reply from 67.18.179.85: bytes=32 time=546ms TTL=46 Reply from 67.18.179.85: bytes=32 time=521ms TTL=46 Reply from 67.18.179.85: bytes=32 time=497ms TTL=46 Reply from 67.18.179.85: bytes=32 time=484ms TTL=46 Reply from 67.18.179.85: bytes=32 time=515ms TTL=46 Reply from 67.18.179.85: bytes=32 time=520ms TTL=46 Reply from 67.18.179.85: bytes=32 time=507ms TTL=46 Reply from 67.18.179.85: bytes=32 time=536ms TTL=46 Reply from 67.18.179.85: bytes=32 time=534ms TTL=46 Reply from 67.18.179.85: bytes=32 time=543ms TTL=46 Reply from 67.18.179.85: bytes=32 time=530ms TTL=46 Reply from 67.18.179.85: bytes=32 time=507ms TTL=46 Ping statistics for 67.18.179.85: Packets: Sent = 12, Received = 12, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 484ms, Maximum = 546ms, Average = 520ms Ping Complete. Tracing route to testmy.net [67.18.179.85] over a maximum of 30 hops: 1 <1 ms <1 ms <1 ms 192.168.254.254 2 * * * Request timed out. 3 * * * Request timed out. 4 * * * Request timed out. 5 * * * Request timed out. 6 * * * Request timed out. 7 * * * Request timed out. 8 * * * Request timed out. 9 * * * Request timed out. 10 * * * Request timed out. 11 * * * Request timed out. 12 * * * Request timed out. 13 * * * Request timed out. 14 * * * Request timed out. 15 * * * Request timed out. 16 * * * Request timed out. 17 * * * Request timed out. 18 * * * Request timed out. 19 * * * Request timed out. 20 * * * Request timed out. 21 679 ms 659 ms 624 ms 85.67-18-179.reverse.theplanet.com [67.18.179.85] Trace complete. OS Name Microsoft® Windows® XP Professional x64 Edition Version 5.2.3790 Service Pack 1 Build 3790 Other OS Description Not Available OS Manufacturer Microsoft Corporation System Name ROBERT-D46BGEU6 System Manufacturer To Be Filled By O.E.M. System Model To Be Filled By O.E.M. System Type x64-based PC Processor AMD64 Family 15 Model 63 Stepping 2 AuthenticAMD ~2203 Mhz BIOS Version/Date American Megatrends Inc. 1017.002, 11/14/2005 SMBIOS Version 2.3 Windows Directory C:WINDOWS System Directory C:WINDOWSsystem32 Boot Device DeviceHarddiskVolume1 Locale United States Hardware Abstraction Layer Version = "5.2.3790.1830 (srv03_sp1_rtm.050324-1447)" User Name ROBERT-D46BGEU6Administrator Time Zone US Mountain Standard Time Total Physical Memory 1,023.14 MB Available Physical Memory 545.16 MB Total Virtual Memory 2.43 GB Available Virtual Memory 2.00 GB Page File Space 1.50 GB Page File C:pagefile.sys My provider is Frontiernet.net and service is rated at 1500/256 After applying VanBurens_cablenut_settings_version_8/CABLE_DSL_FIBER_DIAL-UP/WinXP_2K_CABLE_DSL/MTU 1500/1500.ccs I received the following test results. Test #3 :::.. Download Stats ..::: Connection is:: 865 Kbps about 0.9 Mbps (tested with 2992 kB) Download Speed is:: 106 kB/s Tested From:: https://testmy.net (server1) Test Time:: Mon Jan 30 21:05:25 MST 2006 Bottom Line:: 15X faster than 56K 1MB download in 9.66 sec Diagnosis: May need help : running at only 46.48 % of your hosts average (frontiernet.net) Validation Link:: https://testmy.net/stats/id-VXTU3E8DA Test #4 :::.. Download Stats ..::: Connection is:: 588 Kbps about 0.6 Mbps (tested with 2992 kB) Download Speed is:: 72 kB/s Tested From:: https://testmy.net (server1) Test Time:: Mon Jan 30 21:11:26 MST 2006 Bottom Line:: 10X faster than 56K 1MB download in 14.22 sec Diagnosis: May need help : running at only 31.6 % of your hosts average (frontiernet.net) Validation Link:: https://testmy.net/stats/id-IDW8LHJFB TCP/Web100 Network Diagnostic Tool v5.3.3d click START to begin Checking for Middleboxes . . . . . . . . . . . . . . . . . . Done running 10s outbound test (client to server) . . . . . 247.47Kb/s running 10s inbound test (server to client) . . . . . . 1.21Mb/s Your PC is connected to a Cable/DSL modem Information: The receive buffer should be 101.95 Kbytes to maximize throughput click START to re-test Another client is currently being served, your test will begin within 90 seconds Another client is currently being served, your test will begin within 45 seconds Checking for Middleboxes . . . . . . . . . . . . . . . . . . Done running 10s outbound test (client to server) . . . . . 245.96Kb/s running 10s inbound test (server to client) . . . . . . 928.66kb/s Your PC is connected to a Cable/DSL modem Information: The receive buffer should be 126.06 Kbytes to maximize throughput click START to re-test <edit> straightened ping and trace Quote Link to comment Share on other sites More sharing options...
trogers Posted January 31, 2006 CID Share Posted January 31, 2006 These are the indications of possible problems of your system: 1. modem/router configuration - timed out in your trace route between 1st and 2nd paths and this causes high latency (ave 520 ms). If you are in USA, ave latency should not exceed 100 ms 2. Your OS is XP Professional x64 Edition. I do not know if Cablenut Adjuster is able to tweak this as it was designed for Windows 2000 and XP 32 bit. You can try my ccs file that I have loaded in this thread: http://www.testmy.net/forum/index.php?topic=11509.0 Quote Link to comment Share on other sites More sharing options...
leftwirm Posted January 31, 2006 Author CID Share Posted January 31, 2006 Sitting here doing nothing thought I would run another test. I made NO changes at all and this was the result. :::.. Download Stats ..::: Connection is:: 1205 Kbps about 1.2 Mbps (tested with 2992 kB) Download Speed is:: 147 kB/s Tested From:: https://testmy.net (server1) Test Time:: Mon Jan 30 22:16:37 MST 2006 Bottom Line:: 22X faster than 56K 1MB download in 6.97 sec Diagnosis: May need help : running at only 64.75 % of your hosts average (frontiernet.net) Validation Link:: https://testmy.net/stats/id-DGQ42HFUP Quote Link to comment Share on other sites More sharing options...
leftwirm Posted January 31, 2006 Author CID Share Posted January 31, 2006 trogers, Nice job and thank you. Fastest speed I've received in past three days of testing. What should I do about the latency problem you mentioned? Thanks By the way, cablenut works just fine in XP-64bit Quote Link to comment Share on other sites More sharing options...
trogers Posted January 31, 2006 CID Share Posted January 31, 2006 You can post your problem on hardware system in this Forum section: http://www.testmy.net/forum/index.php?board=7.0 Quote Link to comment Share on other sites More sharing options...
leftwirm Posted January 31, 2006 Author CID Share Posted January 31, 2006 trogers, I forgot to post my results after applying your tweak. Much better Thanks :::.. Download Stats ..::: Connection is:: 1317 Kbps about 1.3 Mbps (tested with 2992 kB) Download Speed is:: 161 kB/s Tested From:: https://testmy.net (server1) Test Time:: Mon Jan 30 23:02:50 MST 2006 Bottom Line:: 24X faster than 56K 1MB download in 6.36 sec Diagnosis: May need help : running at only 70.81 % of your hosts average (frontiernet.net) Validation Link:: https://testmy.net/stats/id-B1N7OQCLM Quote Link to comment Share on other sites More sharing options...
trogers Posted January 31, 2006 CID Share Posted January 31, 2006 This is good. Solve your latency problem and you may get speed of 1.35 Mbps or more. Quote Link to comment Share on other sites More sharing options...
leftwirm Posted January 31, 2006 Author CID Share Posted January 31, 2006 For some reason when I run the first speed test it is always between 500-700 kbps ans stalls at 4-6% then continues normally. All subsequent tests are 1000+ without stalling. If I close IE and re-open the test site and retest, the first test will again stall at 4-6%. What could this be telling me? Quote Link to comment Share on other sites More sharing options...
trogers Posted January 31, 2006 CID Share Posted January 31, 2006 The stalling is most probably due to excessive packet losses. Subsequent testing may have used caching from your browser and thus no stalling. Try this link and check download speed at 33-40% progress. You have to turn off your download accelerator software, if any: http://download.microsoft.com/download/E/6/A/E6A04295-D2A8-40D0-A0C5-241BFECD095E/W2KSP4_EN.EXE Quote Link to comment Share on other sites More sharing options...
leftwirm Posted February 1, 2006 Author CID Share Posted February 1, 2006 I downloaded 81% of the file for the test. 0-33%= 127-131KB 33-40%= 132-135KB 40-81%= 134-140KB Gradually increased from 134KB @40% to 140KB @81% What did this tell me? Thanks Quote Link to comment Share on other sites More sharing options...
trogers Posted February 1, 2006 CID Share Posted February 1, 2006 This means your download speed is about 1100 Kbps. It is now high traffic period and a fall in speed is expected. Have you resolved your latency problem? I have sent a private message to your box. Take a look. Quote Link to comment Share on other sites More sharing options...
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