|Subject:||Re: [Discuss-gnuradio] UDP sender/receiver what the heck am I doing wrong|
|Date:||Mon, 14 Jul 2014 09:00:45 -0700|
On 07/14/2014 11:47 AM, John Malsbury wrote:Opened up firewall rules. That didn't help. But netcat could see the traffic, so it's being delivered up to userland.I saw something similar last week.
On Mon, Jul 14, 2014 at 8:21 AM, Marcus D. Leech <address@hidden> 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.
Shirleys Bay Radio Astronomy Consortium
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-- Marcus Leech Principal Investigator Shirleys Bay Radio Astronomy Consortium http://www.sbrac.org
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