What's New In This Guide

This section introduces the documentation updates for Release 25.1.2xx.

Release 25.1.200 - G32785-03, August 2025

General Updates:
- Updated the threshold values in the Table 2-2.
- Updated the payload and added a note to update the default values for the fill rate and congestion configurations threshold in the Ingress Gateway Pod Protection Using Rate Limiting section.
- Added a note to enable Subscriber Activity Logging with up to 100 keys in the Subscriber Activity Logging section.

Release 25.1.200 - G32785-02, July 2025

General Updates:
- Updated the histogram and counter metrics type in the Metrics section.

Release 25.1.200 - G32785-01, July 2025

Feature Updates:
- New Features:
  - Ingress Gateway Pod Protection Using Rate Limiting
    - Added the Ingress Gateway Pod Protection Using Rate Limiting section to describe the feature.
    - Added the Ingress Gateway Pod Protection Using Rate Limiting feature description in the Functionality section.
    - Added the following pages in the CNC Console section:
      - Pod Protection By Rate Limiting
      - Congestion Level Configuration
    - Added the following metrics in Ingress Gateway Metrics section:
      - oc_ingressgateway_congestion_system_state
      - oc_ingressgateway_congestion_cpu_state
      - oc_ingressgateway_http_request_ratelimit_count
      - oc_ingressgateway_http_request_ratelimit_reject_chain_duration_histogram
      - oc_ingressgateway_http_request_ratelimit_reject_chain_length_histogram
      - oc_ingressgateway_http_request_ratelimit_denied_count_total
      - oc_ingressgateway_system_state_duration_percentage
      - oc_ingressgateway_congestion_level_total
      - oc_ingressgateway_congestion_level_bucket_total
      - oc_ingressgateway_congestion_cpu_percentage_bucket
    - Added the following alerts:
  - Lifecycle Management (LCM) Based Automation
    - Added the Lifecycle Management (LCM) Based Automation section to describe the feature.
    - Added the OSO Alerts Automation section to describe the alert automation process.
    - Added the Lifecycle Management (LCM) Based Automation feature description in the Functionality section.
  - Support for Export of Policy Data in Comma Separated Value (CSV) Format
    - Added the Support for Export of Policy Data in Comma Separated Value (CSV) Format section to describe the feature.
    - Added the Support for Export of Policy Data in Comma Separated Value (CSV) Format feature description in the Functionality section.
    - Added policyDataResources and exportFileExpiryTime parameters in the Customizing Subscriber Export Tool section.
    - Added Exported Files Expiry Time and Policy Data Resource for CSV Export fields in the Subscriber Export Tool Configurations section.
  - Support for Dual Stack
    - Added the Support for Dual Stack section to describe the feature.
    - Added the Support for Dual Stack feature description in the Functionality section.
- Enhancements:
  - Support for cnDBTier APIs in CNC Console
    - Updated the Support for cnDBTier APIs in CNC Console section to add support for cnDBTier Backup Status in CNC Console.
    - Added the cnDBTier Backup Status section in CNC Console.
General Updates:
- Removed the Memory and Queue as a state parameters in the Diameter Gateway Pod Congestion Control section.
- Updated the alert name from PVCFullForEXMLExport to PVCFullForUDRExport.
- Updated the alert name from EXMLExportFailed to UDRExportFailed.
- Added the following metrics in Ingress Gateway Metrics section:
  - oc_oauth_validation_successful_total
  - oc_oauth_validation_failure_total
  - oc_oauth_certificate_expiryStatus
  - oc_oauth_certificate_loadStatus
  - oc_oauth_request_failed_cert_expiry
  - oc_oauth_keyid_count
Updated UDR, EIR, and SLF KPIs in the KPIs.
The payload for the REST API is updated in the Support for EXML Format section.
Added error codes for Diameter SH Interface in the List of Error Codes for Diameter SH Interface section.