RADIUS-Diameter Interworking Function

RADIUS-Diameter Interworking (RD-IWF) allows the user to decide for which messages and based on which conditions RD-IWF is activated

If RCL is configured not to detect the retransmissions of the same Request and it forwards all Requests (original and retries) to the DRL where the RD-IWF is invoked, the DER message will be updated with the new End-To-End Identifier. The End-To-End Identifiers are unique within a given period only under a single site. If two DA-MPs from two different sites send DER messages to the same Diameter server then they should be configured to include different Origin-Host AVP values in the Diameter messages because the combination of the Origin-Host AVP value and the End-To-End Identifier is used to detect duplicates. The option Prevent duplicate transactions due to ingress retransmissions on the RADIUS Options tab of the Diameter > Configuration > Configuration Sets > Connection Configuration Sets screen determines how DSR processes duplicate requests received from a client.

RCL should be configured to detect the retransmissions of the same Request and to avoid forwarding the retries to the DRL.

In order to configure RD-IWF, enable the Mediation feature, configure appropriate Mediation components, and copy the RD-IWF perl script to the target directory. For information on Mediation and how to configure it, refer to the Mediation User Guide.