unidirectional testing or Half duplexing ?

zodiac@gml-admin:~$ iperf -c 192.168.0.210 -r
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Client connecting to 192.168.0.210, TCP port 5001
TCP window size: 16.0 KByte (default)
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[ 3] local 192.168.0.17 port 40551 connected with 192.168.0.210 port 5001
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 85.3 KByte (default)
------------------------------------------------------------
Waiting for server threads to complete. Interrupt again to force quit.
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-10.0 sec 107 MBytes 89.1 Mbits/sec