On 07/14/2014 11:47 AM, John Malsbury wrote:
I saw something similar last week.

Opened up firewall rules. That didn't help. But netcat could see the traffic, so it's being delivered up to userland.



On Mon, Jul 14, 2014 at 8:21 AM, Marcus D. Leech <mle...@ripnet.com <mailto:mle...@ripnet.com>> wrote:

    Attached, you'll find a pair of very-simple .grcs

    One is a UDP sender (using a pair of UDP sinks)

    The other is a UDP receiver (using a pair of UDP sources)

    The sender clearly works, as verified by 'tcpdump' at the
    receiving system.  The ports are correct, etc.

    But *nothing* is coming out of the UDP sources.

    My MTU is 1500, so the UDP frame size of 1472 is correct.

    And, I'll repeat, 'tcpdump' sees the traffic.


-- Marcus Leech
    Principal Investigator
    Shirleys Bay Radio Astronomy Consortium
    http://www.sbrac.org


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--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org

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