What's New in This Guide

This section introduces the documentation updates for release 25.1.2xx.

Release 25.1.204 - G25546-08, August 2026

Upgrade and Rollback Updates:

Release 25.1.203 - G25546-07, April 2026

Incorporated editorial changes.

Release 25.1.203 - G25546-06, April 2026

Generic Updates:
Upgrade and Rollback Updates:

Release 25.1.202 - G25546-05, February 2026

Generic Updates:
Upgrade and Rollback Updates:

Release 25.1.201-G25546-03, February 2026

Updated the sample annotation for two or more interfaces in the Configuring Traffic Segregation section.

Release 25.1.201-G25546-02, January 2026

Generic Updates:
  • Updated the release version number to 25.1.201.
Installation Updates:
  • Updated the Pushing the Images to Customer Docker Registry section to describe the compatible docker image versions for various Policy microservices.
  • Removed the diam-gateway.envSupportedIpAddressType parameter from the Configuration Parameters for Dual Stack section.
  • Removed the Configuration Parameters for IPV6 table from the Customizing Policy chapter because the parameters mentioned in the Configuration Parameters for Dual Stack table can also be considered for IPV6 single stack installations.
  • Added two new helm parameters in the Diameter Gateway and Diameter Connector Configuration section:
    • diam-gateway.diamResponseLatencyHistogramBucket
    • diam-gateway.diamResponseLatencyHistogramPercentile
  • Updated the Configuration Parameters for Dual Stack section with the following details:
    • replaced the diameter-gateway.dualStackPreferredDnsResolutionIpAddressType parameter with the global.dgwRoutingMode parameter.
    • updated the default value from "both" to IPv4_IPv6 for the global.dgwRoutingMode parameter.
    • updated the possible values from 'IPv4', 'IPv6', 'both' to IPv6, IPv4, IPv6_IPv4, IPv4_IPv6 for the global.dgwRoutingMode parameter.
    • updated the added in release value from 25.1.200 to 25.1.201.
Upgrade and Rollback Updates:

Release 25.1.200 - G25546-01, July 2025

Generic Updates:
  • Updated the release version number to 25.1.200.
  • Added the following parameter to Binding Service Configurations section to support for stale requests cleanup for Binding Service:
    • enableLateArrival
    • enableLateProcessing
  • Added the egress-gateway.globalRemoveRequestHeader.oc-message-priority parameter to Basic Configurations in Egress Gateway section to communicate message priority value toward other NFs.
  • Added the following parameters to Configuration Parameters for Dual Stack to configure dual stack:
    • global.deploymentMode
    • global.egressRoutingMode
    • diameter-gateway.dualStackPreferredDnsResolutionIpAddressType
  • Added the following parameters to LDAP Configurations to configure LDAP:
    • LDAP_CONNECTION_CONNECT_ALL_SERVERS
    • LDAP_CONNECTION_DATASOURCE_RETRY_COUNT
  • Added configurable parameters to enable or disable the stale request cleanup functionality for User service to Enabling/Disabling Services Configurations:
    • CHF.enableLateArrival
    • CHF.enableLateProcessing
    • CHF.skipLateProcessingForTerminate
    • UDR.enableLateArrival
    • UDR.enableLateProcessing
    • UDR.skipLateProcessingForTerminate
  • Added configurable parameters to enable or disable the stale request cleanup functionality for UE service to Enabling/Disabling Services Configurations:
    • enableLateArrival
    • enableLateProcessing
    • skipLateProcessingForTerminate
    • late.arrival.max.resp.time
  • Added SIGNALING_DB_HISTOGRAM_METRIC_ENABLED parameter to Binding Service Configurations , which is used to enable or disable the histogram metrics for Binding service database.
  • Added the following parameters to Basic Configurations in Ingress Gateway, which are used to configure pod protection by rate limiting:
    • podProtectionByRateLimiting.enabled
    • podProtectionByRateLimiting.fillRate
    • podProtectionByRateLimiting.bucketAllocation
    • podProtectionByRateLimiting.routes.routeId
    • podProtectionByRateLimiting.routes.percentage
    • podProtectionByRateLimiting.errorCodeProfile
    • podProtectionByRateLimiting.deniedRequestActions.congestionLevel
    • podProtectionByRateLimiting.deniedRequestActions.priority
    • podProtectionByRateLimiting.deniedRequestActions.action
    • podProtectionByRateLimiting.priorityHeaderName
    • podProtectionByRateLimiting.defaultPriority
  • Added the following parameters to Enabling/Disabling Services Configurations, which are used to configure the partition based search on PolicyDS database:
    • enablePdsPartitionBasedSchema
    • primaryKeyCombination
  • Added Scaling Down of Pods During Shutdown and Restoring System Backup section with the steps to scale down and scale up the pods in Policy.
  • Updated Preupgrade Tasks section with a step to check the required databases before proceeding with the upgrade procedure.
  • Added the following parameters to Database Name Configuration, which are used to configure AppInfo to handle cnDBTier DB cluster disconnect functionality:
    • database.clusterEventTracking.enabled
    • database.clusterEventTracking.url
    • database.clusterEventTracking.pollIntervalMs
    • database.clusterEventTracking.funcionalEventList
    • database.clusterEventTracking.initialEvent
    • database.clusterEventTracking.blockReadiness
    • database.clusterEventTracking.autoTransition
    • database.clusterEventTracking.assumePositive.enabled
    • database.clusterEventTracking.assumePositive.code
    • database.clusterEventTracking.assumePositive.exceptions
    • database.clusterEventTracking.retry.enabled
    • database.clusterEventTracking.retry.attempts
    • database.clusterEventTracking.retry.delayMs
    • database.clusterEventTracking.retry.code
    • database.clusterEventTracking.retry.exceptions
    • realtimeDbStatusWithClusterEvent
    • infraCategoryWithRealTimeDb
Installation Updates:
Upgrade and Rollback Updates:
  • Updated the Supported Upgrade Paths in Supported Upgrade Paths.
  • Updated the Supported RollBack Paths in Rolling Back Policy.
  • Updated Preupgrade Tasks with the details to manually install occnp_timer_service and occnp_query databases while upgrading Policy from any of the previous versions to 25.1.200.
  • Updated Preupgrade Tasks with the details to add and drop indexes.
Fault Recovery Updates:

Added When AppInfo Pod Does Not Restart After Upgrade to Scenario: Session Database Corruption to describe the case when AppInfo pod does not restart after upgrade even if there are changes in config map.