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Setting Up Proxy RADIUS Realms


For each proxy RADIUS realm that you want to configure in SBR Carrier, you must create a file called, where RealmName is the name of the realm, and you must add this RealmName to the [Realms] section of the proxy.ini file.

If you create or edit a file, you can apply your configuration changes dynamically, without stopping the server:

  • Issue the SIGHUP (1) signal to the SBR Carrier process:

After you do this, SBR Carrier re-reads proxy.ini, filter.ini, and all .pro and .dir files in the server directory, and resets its realm configuration accordingly.


Rarely, you must edit radius.ini while configuring a realm. If you do edit radius.ini, you must stop and restart SBR Carrier before your new configuration is fully loaded.

Refer to the SBR Carrier Reference Guide for field information for a *.pro file.

Configuration Tasks

Configuration Tasks

To set up a file:

  1. Specify proxy RADIUS target selection rules.

    Each [name] section of a file specifies a set of rules that SBR Carrier can use to select a target for proxy-forwarding within the proxy RADIUS realm. Each [name] section consists of a list of target servers. For any particular request, if the first listed server fails to respond (or is presumed down), then the other servers are tried in the order listed. A [name] section is activated by referencing it from the [Auth] or [Acct] sections.

  2. Optionally, configure round-robin load balancing.

    If you have multiple target servers in a realm, you can select whether to use them in round-robin fashion (load balancing), primary/backup fashion, or a combination of both. The value of the RoundRobin entry in the [Auth] or [Acct] section indicates the number of targets that are to be used in round-robin fashion.

    Refer to the SBR Carrier Reference Guide for information about configuring round-robin options.

  3. Configure proxy RADIUS fast-fail options.

    You can use the [FastFail] section of a realm configuration file to fine-tune retry policies for individual realms, and for specific targets within a realm. If you provide a [FastFail] section, the ProxyFastFail parameter in the radius.ini [Configuration] section is ignored.

  4. Specify username decoration options.

    You can use the [ModifyUser] section of a realm configuration file to decorate a realm, where the realm is determined by other means, such as DNIS or attribute mapping. For example, if george@gm and george@ford are both in the RADIUS database, either user could log in as george, as SBR Carrier would determine the realm, for example, by DNIS. Based on the realm, SBR Carrier would append either @gm or @ford to the username, and then use the Local User directed method to authenticate.