Static Diameter realm routes

Static Diameter realm routes are used to reach remote realms, which are not directly connected to the local realm configured on the SR OS.

They are configured under the Diameter peer:

configure
   aaa
      diameter 
           node <origin-host-string> [origin-realm <origin-realm-string>]
                peer index <index> [<destination-host-string>]      
                    route index <index> [realm <name>] [application <name>] [create]
                        preference <1-100> 
                

There are two preference parameters that can be configured under this CLI hierarchy:

• Peer preference is configured directly under the peer and applies only to routes learned using the capability exchange phase and not the static routes. This parameter determines the directly-connected preference of the learned routes relative to the static routes. Currently, there can be only one learned realm route per peer.

• Static route preference is configured for each static route. The static route with the numerically lowest preference is used.

The order of the evaluation for realm routes is:

• The route with the lowest preference is used. The preference of static routes is individually configured, whereas the preference of the learned routes is configured by a peer.

• In case of a preference tie, the route configured by the peer with the lowest index is chosen.

A static route is installed in the realm table only if the peer in which it has been configured is in an open state.