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Thread: question on mtu settings

  1. #1
    Member remo's Avatar
    Join Date
    Mar 2001

    Question question on mtu settings

    i,ve done this test and it shows mtu set at 1454 but when i check the registry it shows 1492 which i think will have to stay there becaue of PPOE adapter.
    what changes if any should i make,my puter runs fine,just want to get the most out of my dsl

    thanks in advance

    TCP options string = 020405860103030201010402

    MTU = 1454
    MTU is not fully optimized for broadband. Consider increasing your MTU to 1500 for better throughput.

    MSS = 1414
    Maximum useful data in each packet = 1414, which is equal to MSS.
    MSS is not fully optimized for broadband (although it might work well for slower connections). Consider increasing your MTU value.

    Default Receive Window (RWIN) = 256960
    RWIN Scaling (RFC1323) = 2 bits
    Unscaled Receive Window = 64240
    For optimum performance, consider changing RWIN to a multiple of MSS.
    Other values for RWIN that might work well with your current MTU/MSS:
    520352 (MSS x 46 * scale factor of 8)
    260176 (MSS x 46 * scale factor of 4)
    130088 (MSS x 46 * scale factor of 2)
    65044 (MSS x 46)

    bandwidth * delay product:
    Your RcvWindow limits you to: 10278.4 kbps (1284.8 KBytes/s) @ 200ms
    Your RcvWindow limits you to: 4111.36 kbps (513.92 KBytes/s) @ 500ms

    MTU Discovery (RFC1191) = ON

    Time to live left = 53 hops
    TTL value is ok.

    Timestamps (RFC1323) = OFF

    Selective Acknowledgements (RFC2018) = ON

    IP type of service field (RFC1349)= 00000000

    19484 connections tested since 03-10-2001, 14:30 ET
    Analyzer version: Beta 0.94

  2. #2
    Gone Camping
    Join Date
    Jan 2001
    Northern AB, CA, turn left Alaska, Turn right, Yukon Territoies


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