How To Fix NET036 - Locally configurated IP routing

SAP Error Message - Details

• Message type: E = Error

• Message class: NET - Network Messages

• Message number: 036

• Message text: Locally configurated IP routing

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message NET036 - Locally configurated IP routing ?

  The SAP error message NET036, which indicates "Locally configured IP routing," typically arises in the context of network configuration issues within an SAP system. This error can occur when the system is unable to route messages or data packets correctly due to misconfigured IP settings.
  Cause:
  
  Incorrect IP Configuration: The IP address, subnet mask, or gateway settings may be incorrectly configured in the SAP system or the underlying operating system.
  Routing Table Issues: The routing table may not have the correct entries for the network paths that the SAP system needs to access.
  Network Interface Issues: The network interface may not be properly set up or may be down, preventing communication.
  Firewall or Security Settings: Firewalls or security settings may be blocking the necessary ports or protocols required for SAP communication.
  DNS Resolution Problems: If the SAP system relies on DNS for hostname resolution, issues with DNS settings can lead to routing errors.
  
  Solution:
  
  
  Check IP Configuration:
  
  Verify the IP address, subnet mask, and default gateway settings on the SAP server.
  Ensure that these settings are consistent with the network configuration.
  
  
  
  Review Routing Table:
  
  Use commands like route -n (Linux) or route print (Windows) to check the routing table.
  Ensure that there are appropriate routes for the networks that the SAP system needs to communicate with.
  
  
  
  Network Interface Status:
  
  Check the status of the network interface using commands like ifconfig (Linux) or ipconfig (Windows).
  Ensure that the interface is up and running.
  
  
  
  Firewall Configuration:
  
  Review firewall settings to ensure that the necessary ports for SAP communication (e.g., 3200 for SAP GUI, 8000 for HTTP) are open.
  Temporarily disable the firewall to test if it is causing the issue.
  
  
  
  DNS Configuration:
  
  Check the DNS settings to ensure that the SAP system can resolve hostnames correctly.
  Test DNS resolution using commands like nslookup or ping to verify that hostnames are resolving to the correct IP addresses.
  
  
  
  SAP Notes and Documentation:
  
  Check SAP Notes for any specific patches or updates related to network issues.
  Review the SAP documentation for network configuration best practices.
  
  
  
  Related Information:
  
  SAP Basis Team: Involve your SAP Basis team or network administrators to assist with troubleshooting and resolving network-related issues.
  Logs and Traces: Check SAP logs (e.g., dev_w0, dev_rfc) for additional error messages or clues related to the network issue.
  SAP Community: Consider searching or posting in the SAP Community forums for additional insights or similar experiences from other users.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the NET036 error in your SAP system.