You are planning to change the IP address of your SAP system.
Solution
Below changes need to be taken/check before proceeding the IP address changes.
Operating system level
• /etc/hosts
• /etc/services
• DNS entries
• Routing tables
SAP
• Transaction SM59
• Transaction SM55
• Transaction SM51
• Transaction SMLG
Additional
• saprouter
• Update the communication/IP address for other SAP systems, external programs and clients that are connecting to this SAP system.
Reference
• SAP Note 403708
