Before installing Rational Synergy Release 7.1, make sure your environment satisfies all the conditions described in "UNIX installation requirements" on page 3. In particular, make sure that you have added all the required entries to /etc/services file or its NIS equivalent.
Supplying the router port number
During the installation process, you are prompted to supply the router port number. This number can be any deallocated port number.
The TCP port number 5412 is reserved for Rational by the Internet Assigned Number Authority (IANA).