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Date:      Wed, 08 Feb 2006 15:10:07 -0200
From:      "Ricardo A. Reis" <ricardo_bsd@yahoo.com.br>
To:        net@freebsd.org
Subject:   RELENG_6 No buffer space available [udp stream]
Message-ID:  <43EA25EF.3020105@yahoo.com.br>

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Hi,


I have a problem with iperf and single udp stream,


[freebsd - RELENG_6] - >>>  [ linux-2.6.X]


I in use server mode and no problem occurred, but in client mode this no 
complete a udp stream
 

 iperf -c 172.22.1.142 -u -b 100M -t 30
------------------------------------------------------------
Client connecting to 172.22.1.142, UDP port 5001
Sending 1470 byte datagrams
UDP buffer size: 41.1 KByte (default)
------------------------------------------------------------
[  3] local 172.22.1.166 port 51517 connected with 172.22.1.142 port 5001
write2 failed: No buffer space available
[  3]  0.0- 0.1 sec  1.45 MBytes    100 Mbits/sec
[  3] Sent 1037 datagrams
[  3] Server Report:


# netstat -mb
1/839/840 mbufs in use (current/cache/total)
0/438/438/16832 mbuf clusters in use (current/cache/total/max)
0/4/4464 sfbufs in use (current/peak/max)
0K/1085K/1086K bytes allocated to network (current/cache/total)
0 requests for sfbufs denied
0 requests for sfbufs delayed
0 requests for I/O initiated by sendfile
11 calls to protocol drain routines


Thanks

Ricardo A. Reis
UNIFESP
Unix and Network Admin





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