Cisco Cisco ASR 5000 技術マニュアル

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Configure Failure−Handling and
Server−Unreachable Mechanisms for OCS Failure
Resolution on the ASR5K
Document ID: 118993
Contributed by Shashank Varshney, Cisco TAC Engineer.
Jun 02, 2015
Contents
Introduction
Prerequisites
     Requirements
     Components Used
Background Information
Configure
     Network Diagram
     Tx−Expiry
     Response Timeout
     Diameter Session Failover
     FH Mechanism
        FH Mechanism Configuration
        FH Mechanism Default Behavior
        FH Mechanism Detailed Call Flow
     SU Mechanism
        SU Mechanism Configuration
        SU Mechanism Call Flows
     FH and SU Example Configurations
Verify
Troubleshoot
Related Information
Introduction
This document describes how to configure the Failure−Handling (FH) and Server−Unreachable (SU)
mechanisms on the Gy interface in order to resolve issues that are encountered on the Online Charging
System (OCS) or in regards to connectivity between the Policy and Charging Enforcement Function (PCEF)
and the OCS. The information that is described in this document is applicable to the Home Agent (HA),
Gateway General Packet Radio Service (GPRS) Support Node (GGSN), and Packet Data Network Gateway
(PGW) functionalities that run on the Cisco 5000 Series Aggregated Services Router (ASR5K).
Prerequisites
Requirements
Cisco recommends that your system meet these requirements in order to use the FH and SU mechanisms:
The Enhanced Charging Service (ECS) is available
•