The communicates with the external PSX over the Management Interface and Packet Interface. The can choose any alternate IP addresses attached to the Packet Interface to communicate with the external PSX over the Management Interface and/or Packet Interface. The communication between the and the external PSX follows a sequence, as described below:The requests registration and receives response from PSX. The periodically sends request to know the status of external PSX. The requests for policy and receives response. The requests for de-registration and receives response.
The global configuration includes an optional metaVariable field (ipVar) to fetch an IP address from the PSX for use in connecting with the PSX. When the ipVar field is blank, the picks any random IP address from the configured interface to connect with the PSX. Additionally, the interfaceIpAddress field is added to the policyServer 'show' command to identify the IP address the uses to communicate with the PSX for the specified Policy Server. |