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Thread: Can you decrease Lag.Cablenut.

  1. #1

    Can you decrease Lag.Cablenut.

    I was wondering if or how you can decrease lag in games online.I was just curious if there are settings to adjust in cablenut.Im on comcast.My downloads are fine with these settings,but lag seems to increased.I have it set for 99 max connections etc like Lobo said to try...should i try different rwin?thanks for any guidance...

    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) = 51100
    RWIN Scaling (RFC1323) = 0 bits
    Unscaled Receive Window = 51100
    RWIN is 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:
    Your RcvWindow limits you to: 2044 kbps (255.5 KBytes/s) @ 200ms
    Your RcvWindow limits you to: 817.6 kbps (102.2 KBytes/s) @ 500ms

    MTU Discovery (RFC1191) = ON

    Time to live left = 23 hops
    TTL value is ok.

    Timestamps (RFC1323) = OFF

    Selective Acknowledgements (RFC2018) = ON

    IP type of service field (RFC1349)= 11111110
    Precedence (priority) = 111 (Network Control)
    Delay = 1 (low delay)
    Throughput = 1 (high throughput)
    Reliability = 1 (high reliability)
    Cost = 1 (low cost)

  2. #2
    Advanced Member piranha's Avatar
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    Processor, memory, OS...

    And you could try this......

    http://homepage.ntlworld.com/robin.d...ips/games.html

  3. #3
    Member Tequila_Fr's Avatar
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    If you search with nick "Lobo" or "mnosteele52", you'll find a lot of goods threads like this one or this post
    Keywords "buffer" also

    The buffer tweaks help me with my lag
    But it's just a good beginning this tweak after you must customize and find your propers values.

    It's a long long job But at the start Lobo or mnosteele have goods advices, ask them
    Sorry, my English sucks :-)

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  4. #4
    Elite Member Lobo's Avatar
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    Try tcp Window size of 256960 or 513920 and TOS value of 92

  5. #5

  6. #6
    Elite Member Lobo's Avatar
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    Try online gaming forum too

  7. #7
    Im on XP pro,1.4tbird,512ddr,sorry thought this was in my sig.

    Ill try the #'s Lobo,but if i put them in window size,all also put the same #'s in the other spots as well,rwin,dsw,global max,etc?or just the tcw window size only?any other suggestions?

  8. #8
    Dr Tweak mnosteele52's Avatar
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    What are your ISPs caps, let me know and I'll give you some settings to try.

  9. #9
    Elite Member Lobo's Avatar
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    It's up to you

  10. #10
    Dr Tweak mnosteele52's Avatar
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    OOPs didn't see Comcast, try the following in Cablenut:

    DefaultReceiveWindow = 27740/36500/55480/74460/93440
    DefaultSendWindow = 32120
    InitialLargeBufferCount = 1000
    InitialMediumBufferCount = 3000
    InitialSmallBufferCount = 5000
    LargeBufferSize = 409600
    MaxFastTransmit = 27740/36500/55480/74460/93440
    MediumBufferSize = 150400
    PriorityBoost = 0
    SmallBufferSize = 6400
    TransmitWorker = 32
    FastSendDatagramThreshold = 1024
    EnableFastRouteLookup = 1
    EnablePMTUDiscovery = 1
    GlobalMaxTcpWindowSize = 27740/36500/55480/74460/93440
    MaxFreeTcbs = 8000
    MaxHashTableSize = 16384
    MaxNormLookupMemory = 5000000
    SackOpts = 1
    Tcp1323Opts = 0
    TcpMaxDupAcks = 2
    TcpRecvSegmentSize = 1460
    TcpSendSegmentSize = 1460
    TcpTimedWaitDelay = 30
    TcpUseRFC1122UrgentPointer = 0
    TcpWindowSize = 27740/36500/55480/74460/93440 ---- missed this one sorry
    MaxConnectionsPer1_0Server = 40
    MaxConnectionsPerServer = 20
    DefaultTTL = 64
    DisableUserTOSSetting = 0
    DefaultTOSValue = 92 or 44

    Last edited by mnosteele52; 07-16-02 at 01:59 PM.

  11. #11
    thanks ill give that a try,disregard PM,i sent it while you were posting this....ill let ya know what happens.

  12. #12
    I used those settings steele,74460 as DRW.but it says Default rwin is still 51100 in this analyzer....is that right?

    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) = 51100
    RWIN Scaling (RFC1323) = 0 bits
    Unscaled Receive Window = 51100
    RWIN is 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:
    Your RcvWindow limits you to: 2044 kbps (255.5 KBytes/s) @ 200ms
    Your RcvWindow limits you to: 817.6 kbps (102.2 KBytes/s) @ 500ms

    MTU Discovery (RFC1191) = ON

    Time to live left = 55 hops
    TTL value is ok.

    Timestamps (RFC1323) = OFF

    Selective Acknowledgements (RFC2018) = ON

    IP type of service field (RFC1349)= 01011100
    Precedence (priority) = 010 (immediate)
    Delay = 1 (low delay)
    Throughput = 1 (high throughput)
    Reliability = 1 (high reliability)
    Cost = 0 (normal cost)

  13. #13
    Dr Tweak mnosteele52's Avatar
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    Look above, I missed one. Sorry.

  14. #14
    OK,got that change made,but it gives me this now,i always forget whick spot to put a 1 in so it reads the right rwin....

    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: Under Windows 9x, if you have RWIN set to any other value, and the Analyzer reports 65535 you might need to install 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:
    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 = 55 hops
    TTL value is ok.

    Timestamps (RFC1323) = OFF

    Selective Acknowledgements (RFC2018) = ON

    IP type of service field (RFC1349)= 01011100
    Precedence (priority) = 010 (immediate)
    Delay = 1 (low delay)
    Throughput = 1 (high throughput)
    Reliability = 1 (high reliability)
    Cost = 0 (normal cost)

  15. #15
    Dr Tweak mnosteele52's Avatar
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    I'm very sorry, I also missed TCP1323Opts needs to be 1 if your RWIN is 65535 or higher.

  16. #16
    got it,
    im going to play for awhile and see what happens,thanks for all the trouble lobo and mnosteele
    ill give the buffer tweak a try later one maybe...

    TCP options string = 020405b40103030101010402

    MTU = 1500
    MTU is fully optimized for broadband.

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

    Default Receive Window (RWIN) = 74460
    RWIN Scaling (RFC1323) = 1 bits
    Unscaled Receive Window = 37230
    RWIN is 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:
    Your RcvWindow limits you to: 2978.4 kbps (372.3 KBytes/s) @ 200ms
    Your RcvWindow limits you to: 1191.36 kbps (148.92 KBytes/s) @ 500ms

    MTU Discovery (RFC1191) = ON

    Time to live left = 55 hops
    TTL value is ok.

    Timestamps (RFC1323) = OFF

    Selective Acknowledgements (RFC2018) = ON

    IP type of service field (RFC1349)= 01011100
    Precedence (priority) = 010 (immediate)
    Delay = 1 (low delay)
    Throughput = 1 (high throughput)
    Reliability = 1 (high reliability)
    Cost = 0 (normal cost)

  17. #17
    i played about 15 minutes and no signs of lag,....Also my downloads for this time of day are higher also!I was getting about 20k more from a few sites i download from to test!
    THANK YOU GUYS!
    The buffer tweak is next...i hope i dont screw it up!

  18. #18
    Member Tequila_Fr's Avatar
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    Yes I confirm
    Me too, AFD settings have really an effect on the lag and ping
    I 've said you mnosteele52 or Lobo were goods tweakers
    Sorry, my English sucks :-)

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