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SAP on IBM i – Update week 23 2015: Installing SAPROUTER

The SAProuter is a program that is used to route IP-based network connections within SAP environment (see SAP Note 1472650):

  • SAP GUI communication via SAProuter (to the message server and/or to the SAP dispatcher)
  • RFC communication between systems or between RFC client and SAP Gateway
  • Support connections from SAP to customers. For support purpose, SAP enables the transmission of other protocols by special, proprietary precautionary measures, they are however not suitable or released for the production operation.

These connections use SAP’s network layer NI and can be source routed where the route is specified by a SAProuter-string (e.g. /H/<Server1>/S/<Port1>/H/<Server2>/S/<Port2> … /H/<ServerN>/S/<PortN>).

The SAProuter connections may be encrypted. This mechanism is called SNC (Secure Network Connection) and is based on public key cryptography.

On IBM i the old SAProuter (before release 7.20) was a native AS/400 ILE program while the current SAProuter runs in the PASE subsystem. During the last weeks some customers using the ILE-based SAProuter reported errors (“MCH3601 unmonitored by SAPCRYPTO”). As this old SAProuter is no longer supported, these customers must upgrade to the PASE-based SAProuter.

The new SAP Note 2173275 contains a description of the installation of SAProuter on IBM i. The details are included in the attached PDF file saprouter.pdf. The old SAP Note 1818735 which contains similar information has been archived.

Although it is still a manual procedure, many customers successfully have updated to the new SAProuter.

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