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SAProuter + VPN Tunnel

Hello Gurus,

my company wants to set up connection between our SAP Systems and SAP.

We already have a working VPN Tunnel between our IPfire and the VPN-Firewall of SAP ( (Ping on succesful, ping on not)

SAProuter is installed as service on a Windows XP machine. SAPROUTTAB is P * * * for testing. SAPRouter service runs without problems.

The network looks like this:

SAP <--> SAP-VPN-Firewall <---> OUR-VPN-Firewall <--> SAProuter <--> OUR-SAP-Machines.

I have 2 public IPs for this scenario. One is used for the VPN-Tunnel. The other should be used for SAProuter.

SAProuter is connected to OUR-VPN-Firewall via local IP. SAPRouter is able to ping SAP-VPN-Firewall( SAP-Machines are able to ping SAP-VPN-Firewall( Nobody is able to ping

Transaction OSS1 in SAP-Machines is configured but is not able to connect.

So my questions are:

- How should i give my SAProuter the public IP? Does it need a direct internet connection? Why do I need VPN then?

- Is there anything I oversaw?

- Am I following the right concept?

- What about the IPFire port forwarding? What ports are needed? Do I forward them to SAPRouters public IP or the local?

Any help is very, very welcome. Thank you for your attention.

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  • Posted on Jun 02, 2012 at 04:18 PM

    Hello Steven,

    Did you already take a look at the SAP Notes 486688, 35010 and 33135?

    And the SAPROUTTAB rule "P * * *" actually does not open all the ports. For security reasons, the saprouter interprets the port definition "*" only as commonly used SAP ports (e.g., 3200 to 3299).

    To open other ports (e.g., 23, for remote telnet access) you need to add an explicit rule for that.



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