Commands by unixmonkey31510 (1)

  • What value should I set my TCP/IP MTU (Max. Transmission Unit) to?

    Linux - starting with a packetsize that must be split into two packets, count down by 8 bytes, and try to send the packet using the "Don't Fragment" option. The actual MTU (the size of the actual PING packet) is (in this example) 1460 data bytes + 20 bytes IP header + 8 bytes PING request = 1488 Show Sample Output


    0
    pktsize=1516;for i in $( seq $pktsize -8 1450 ) ; do ping -M do -s $i -c 1 slashdot.org; done
    unixmonkey31510 · 2012-02-21 01:58:07 0

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