Cisco ASR 5000 Series Administration Manual page 81

Enhanced Charging Service Overview
newly active chassis via the SRP link. These fields and their contents, which are carried over after an Inter-
chassis Session Recovery switchover, are as follows:
 HA-CORRELATION-ID
 PDSN-CORRELATION-ID (PDSN only)
 PDSN-NAS-IP-ADDRESS (PDSN only)
 PDSN-NAS-ID (PDSN only)
 USERNAME
 MSID
 RADIUS-NAS-IP-ADDRESS
All remaining fields are populated in accordance with the procedures associated with any new flow with the
exceptions that, the field "First Packet Direction" is set to "Unknown" for all in-progress flows that were
interrupted by the switchover and the field "FDR Reason" is marked as a PDSN Handoff and therefore is set to
a value of "1" and corresponding actions are taken by the billing system to assure a proper and correct
accounting of subscriber activities.
Cisco ASR 5x00 Enhanced Charging Services Administration Guide ▄
Redundancy Support in ECS ▀
81