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CAL network configuration

Question to the folks already using the solution.

i have a S4HANA 1709 appliance running using AWS. What is the best option to allow access to the instance to my users. Public IP are not allowed from my network. If i have a set of static IP's i can get our firewall to allow these but they are dynamic, option to select static IP's is not working. We plan to use this long term. Can you suggest a long term architecture.


SAP Architect

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1 Answer

  • Jan 26, 2018 at 12:54 PM

    Hi Yogesh,

    If you plan to use the SAP CAL instance(s) only internally then setting up a VPC with a VPN gateway would be the recommended long term solution.

    The short term solution is indeed to select the static IP option. Can you check the limit for elastic IPs for your AWS account in the corresponding region? It could be that you do not have enough free slots.

    Best regards,


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