AIX network option to help large data transfers:-
Just to let others know about this if they wish to review and test.
The no command on IBM AIX allows changes that improve large data transfers between AIX boxes and others. We improved our backups and interface transfers with these settings.
TCP Network Parameters
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NAME CUR DEF BOOT MIN MAX UNIT TYPE
tcp_recvspace 512K 16K 512K 4K 8E-1 byte C
tcp_sendspace 512K 16K 512K 4K 8E-1 byte C