I am trying to perform iPERF test in dual mode (-d), but encountered the
following problems.
1. Using: iperf -c 157.234.216.11 -u -i 1 -d
Client side shows:
------------------------------------------------------------
Client connecting to 157.234.216.11, UDP port 5001
Sending 1470 byte datagrams
UDP buffer size: 64.0 KByte (default)
------------------------------------------------------------
[ 4] local 10.66.134.172 port 4220 connected with 157.234.216.11 port 5001
------------------------------------------------------------
Server listening on UDP port 5001
Receiving 1470 byte datagrams
UDP buffer size: 64.0 KByte (default)
------------------------------------------------------------
[ ID] Interval Transfer Bandwidth
[ 4] 0.0- 1.0 sec 129 KBytes 1.06 Mbits/sec
[ 4] 1.0- 2.0 sec 128 KBytes 1.05 Mbits/sec
[ 4] 2.0- 3.0 sec 128 KBytes 1.05 Mbits/sec
[ 4] 3.0- 4.0 sec 128 KBytes 1.05 Mbits/sec
[ 4] 4.0- 5.0 sec 128 KBytes 1.05 Mbits/sec
[ 4] 5.0- 6.0 sec 128 KBytes 1.05 Mbits/sec
[ 4] 6.0- 7.0 sec 129 KBytes 1.06 Mbits/sec
[ 4] 7.0- 8.0 sec 128 KBytes 1.05 Mbits/sec
[ 4] 8.0- 9.0 sec 128 KBytes 1.05 Mbits/sec
[ 4] 9.0-10.0 sec 128 KBytes 1.05 Mbits/sec
[ 4] 0.0-10.0 sec 1.25 MBytes 1.05 Mbits/sec
[ 4] Sent 893 datagrams
[ 4] WARNING: did not receive ack of last datagram after 10 tries.
Problem: It only shows the uplink values, and iPERF hang and didn't return.
2. Using: iperf -c 157.234.216.11 -u -i 1 -d -B 10.66.134.172
Client side shows:
bind failed: Address already in use
------------------------------------------------------------
Client connecting to 157.234.216.11, UDP port 5001
Binding to local address 10.66.134.172
Sending 1470 byte datagrams
UDP buffer size: 64.0 KByte (default)
------------------------------------------------------------
[ 4] local 10.66.134.172 port 4354 connected with 157.234.216.11 port 5001
------------------------------------------------------------
Server listening on UDP port 5001
Binding to local address 10.66.134.172
Receiving 1470 byte datagrams
UDP buffer size: 64.0 KByte (default)
------------------------------------------------------------
[ ID] Interval Transfer Bandwidth
[ 4] 0.0- 1.0 sec 129 KBytes 1.06 Mbits/sec
[ 4] 1.0- 2.0 sec 128 KBytes 1.05 Mbits/sec
[ 4] 2.0- 3.0 sec 128 KBytes 1.05 Mbits/sec
[ 4] 3.0- 4.0 sec 128 KBytes 1.05 Mbits/sec
[ 4] 4.0- 5.0 sec 128 KBytes 1.05 Mbits/sec
[ 4] 5.0- 6.0 sec 128 KBytes 1.05 Mbits/sec
[ 4] 6.0- 7.0 sec 129 KBytes 1.06 Mbits/sec
[ 4] 7.0- 8.0 sec 128 KBytes 1.05 Mbits/sec
[ 4] 8.0- 9.0 sec 128 KBytes 1.05 Mbits/sec
[ 4] 9.0-10.0 sec 128 KBytes 1.05 Mbits/sec
[ 4] 0.0-10.0 sec 1.25 MBytes 1.05 Mbits/sec
[ 4] Sent 893 datagrams
[ 4] WARNING: did not receive ack of last datagram after 10 tries.
Problem: There is a "bind failed" error. It only shows the uplink values,
and iPERF hangs and didn't return.
Please help.
Thanks.
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