user@inspection09:/tmp$ uname -a
Linux inspection09 2.6.32-22-generic #36-Ubuntu SMP Thu Jun 3 22:02:19 UTC 2010 i686 GNU/Linux
user@inspection09:/tmp$ netstat -plun
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
udp 0 0 0.0.0.0:12345 0.0.0.0:* 7853/udp-bind-twice
udp 0 0 0.0.0.0:12345 0.0.0.0:* 7776/udp-bind-twice
user@inspection09:/tmp$ lsof -ni4udp
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
udp-bind- 7776 user 3u IPv4 1173471 0t0 UDP *:12345
udp-bind- 7853 user 3u IPv4 1173557 0t0 UDP *:12345
Created
November 7, 2011 15:43
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udp multiple process bind test results
root@linuxvm12:~# uname -a
Linux linuxvm12 2.6.38-10-server #46~lucid1-Ubuntu SMP Wed Jul 6 20:19:32 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
root@linuxvm12:~# netstat -plun
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
udp 0 0 0.0.0.0:12345 0.0.0.0:* 4764/udp-bind-twice
udp 0 0 0.0.0.0:12345 0.0.0.0:* 4757/udp-bind-twice
root@linuxvm12:~# lsof -ni4udp
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
udp-bind- 4757 root 3u IPv4 7574738 0t0 UDP *:12345
udp-bind- 4764 root 3u IPv4 7571152 0t0 UDP *:12345
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