Solution : https://service.sap.com/sap/support/notes/100740 (SAP Service marketplace login required)
Key words : 
<ip address sap-sr> <ip server> 5631example, component xx-ser-net-htl, tab page 'db server', sap -> documentation -> installation instructions, 'saprouttab' route permission table, sap support portal- log, <ip server>  5631example, current saprouter software supports, sap support portal, choose 'create server'
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