Aaron Campbell wrote: > On 2013-09-11, at 11:50 PM, Paul Vixie <[email protected]> wrote: > > > >>> Shouldn't OVERHEAD actually be 68 for IPv4? >> i am counting 40 for the ipv6 header and 8 for the udp header. where are you >> getting your 68 number from? > > 48 is correct for IPv6. But max IPv4 header size is 60 bytes, plus 8 for UDP > is 68.
i apologize for misreading you before. i'm choosing 64 for ipv4 because most ip headers are not full size, and we have to be able to accommodate a 512-byte udp payload.
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