SAP Netweaver Systems accessed via internet or intranet.
As of SAP Webdispatcher version 7.2 it is possible to connect to multiple SAP and non-SAP systems, using only one Webdispatcher. Using this functionality can decrease the number of Webdispatchers that has to be managed, as well the number of ports in the landscape that should be opened.
For each system you want to connect to the webdispatcher, an host name alias has to be created which is pointing to the webdispatcher host.
Your webdispatcher is running on host webdisp.domain.com, ERP system is running on erpsys.domain.com, SAP Portal is running on portal.domain.com
For the erpsys.domain.com and portal.domain.com, you have to create an alias (via hosts file or DNS), which is pointing to webdisp.domain.com
The webdispatcher can be installed using sapinst, or just by executing sapwebdisp -bootstrap.
On Windows systems I would recommend to perform the installation via sapinst, since the service will be created automatically.
After the installation has been finished, the webdispatcher can be configured to "serve" multiple SAP or non-SAP systems.
In this example, the following configuration has been used:
PIP - SAP PI 7.0 ABAP+Java
Message server http port: 8100
CE2 - SAP CE7.2 Java only
Message server http port 8141
WD2 - SAP Webdispatcher 7.2
ICM http port: 4444
Add the following parameters to the webdispatcher profile:
wdisp/system_0 = SID=PIP, MSHOST=sappi.demo.com, MSPORT=8100
wdisp/system_1 = SID=CE2, MSHOST=sapce.demo.com, MSPORT=8141
icm/HTTP/mod_0 = PREFIX=/,FILE=/sapmnt/WD2/profile/icm_filter.txt
Create the file icm_filter.txt with the following contents:
Restart and test
The webdispatcher has to be restarted in order to activate the changes. After the restart has been executed, you can test the newly implemented functionality.
Execute your url's:
For each system that has been added, a separate entry will be created in the webdispatcher management console.
For the related content of this functionality, please have a look at: http://help.sap.com/saphelp_nwce72/helpdata/en/03/afe24bfeb7419b9172ffb6e7636926/frameset.htm