What's New In This Guide

This section introduces the documentation updates for Release 25.1.1xx.

Release 25.1.102- G20971-03, July 2025

Added a note about the x-original-status header to the Custom Headers section of 5G SBI Message Mediation Support feature.
Added a note in SEPP Alert Configuration section.

Release 25.1.101- G20971-02, June 2025

Added ocsepp_n32c_handshake_status metrics in the N32C Handshake Procedure Metrics section.
Added the following alerts in the System Level Alerts section:
- ocseppPodsRestart
- ocseppAppinfoServiceDown
- ocseppCn32cServiceDown
- ocseppCn32fServiceDown
- ocseppConfigMgrServiceDown
- ocseppN32EgwServiceDown
- ocseppN32IgwServiceDown
- ocseppConfigserverServiceDown
- ocseppPerfinfoServiceDown
- ocseppPlmnEgwServiceDown
- ocseppPlmnIgwServiceDown
- ocseppPn32cServiceDown
- ocseppPn32fServiceDown
- ocseppNrfdiscServiceDown
- ocseppNrfmgmServiceDown
- ocseppAlternrouteServiceDown
- ocseppMediationServiceDown
- ocseppCoherenceServiceDown
- ocseppNfStatusUnavailable

Release 25.1.100- G20971-01, April 2025

Feature Updates:

Added the following sections for the Cat-3 Time Check for Roaming Subscribers feature:
- Added the Cat-3 Time Check for Roaming Subscribers section to describe the feature.
- Added the Cat-3 Time Check for Roaming Subscribers section in the Configuring SEPP using CNC Console chapter.
- Updated the Remote SEPP Set section.
- Added the following metrics under the Cat-3 Time Check for Roaming Subscribers metrics section:
  - ocsepp_time_unauthenticated_location_validation_requests_total
  - ocsepp_time_unauthenticated_location_validation_success_total
  - ocsepp_time_unauthenticated_location_validation_failure_total
  - ocsepp_time_unauthenticated_location_exception_failure_total
  - ocsepp_time_unauthenticated_location_blocklist_requests_total
- Added the following alerts under the Cat-3 Time Check for Roaming Subscribers alerts section:
  - pn32fTimeUnauthLocChkValFailAlrtMinor
  - pn32fTimeUnauthLocChkValFailAlrtMajor
  - pn32fTimeUnauthLocChkValFailAlrtCritical
  - pn32fTimeUnauthLocChkExcepFailAlrtMinor
  - pn32fTimeUnauthLocChkExcepFailAlrtMajor
  - pn32fTimeUnauthLocChkExcepFailAlrtCritical
Added the following sections for the IPv6 Dual Stack Support feature:
- Added the IPv6 Dual Stack Support section to describe the feature.
- Updated the following parameters in the Remote SEPP section:
  - Remote SEPP IP Address
  - N32F IP Address
- Added the following metrics under the Egress Gateway Metrics section:
  - oc_egressgateway_incoming_ip_type
  - oc_egressgateway_outgoing_ip_type
  - oc_egressgateway_dualstack_ip_rejected_total
- Added the following metrics under the Ingress Gateway Metrics section:
  - oc_ingressgateway_incoming_ip_type
  - oc_ingressgateway_outgoing_ip_type
Updated the Message Feed section with information about selecting the same Kafka partition for messages of the same transaction type.
Updated the Support for Core Networks with or without SCP/ Routing Proxy section with Route Configuration with SCP and NRF with both Deployed in the Network.
Updated the configuring overload control section of Overload Control Feature.
Updated the the assumptions and configuration sections of Proactive Status Updates on SEPP.
Updated the description and added the CNC Console Configuration for the Alternate Routing and Load Sharing based on the DNS SRV Record for Home Network Functions.
General Updates:
Updated the SEPP Architecture Diagram to include the information about IPv6 Dual Stack Support.
Updated the feature section by splitting the section into core functionalities, deployment model, and features.
Updated the documentation of SEPP MNO Functionality Support.
Added the SEPP Protocol and Application Errors.
Updated the name of oc_ingressgateway_route_overloadcontrol_total metrics to oc_ingressgateway_route_overloadcontrol_discard_total.
Updated the name of the following alerts:
- From ConfigManagerConnectionFailureWithDatabaseAlert to cfgMgrConnFailureWithDBAlert
- From SEPPPn32fPreviousLocationCheckValidationFailureAlertCritical to sEPPPn32fPrevLocChkValFailAlrtCritical
- From SEPPPn32fPreviousLocationCheckExceptionFailureAlertCritical to EPPPn32fPrevLoChkExcepFailAlrtCritical
- From Egress Request Rate Limit per PLMN Message Drop Above 10 Percent Alert to EgressRequestRateLimitDropAbove10Percent
- From Egress Request Rate Limit per PLMN Message Drop Above 25 Percent Alert to EgressRequestRateLimitDropAbove25Percent
- From Egress Request Rate Limit per PLMN Message Drop Above 50 Percent Alert to EgressRequestRateLimitDropAbove50Percent
- From Ingress RSS Rate Limit per RSS Message Drop Above Point one Percent Alert to IngressRssRateLimitPerRSSMessageDropAbovePointOnePercent
- From Ingress RSS Rate Limit per RSS Message Drop Above 10 Percent Alert to IngressRssRateLimitPerRSSMessageDropAbove10Percent
- From Ingress RSS Rate Limit per RSS Message Drop Above 25 Percent Alert to IngressRssRateLimitPerRSSMessageDropAbove25Percent
- From Ingress RSS Rate Limit per RSS Message Drop Above 50 Percent Alert to IngressRssRateLimitPerRSSMessageDropAbove50Percent
- From Ingress RSS Rate Limit Message Drop Above Point one Percent Alert to IngressRssRateLimitMessageDropAbovePointOnePercent
- From Ingress RSS Rate Limit Message Drop Above one Percent Alert to IngressRssRateLimitMessageDropAboveOnePercent
- From Ingress RSS Rate Limit Message Drop Above 10 Percent Alert is to IngressRssRateLimitMessageDropAbove10Percent
- From Ingress RSS Rate Limit Message Drop Above 25 Percent Alert is to IngressRssRateLimitMessageDropAbove25Percent
- From Ingress RSS Rate Limit Message Drop Above 50 Percent Alert to IngressRssRateLimitMessageDropAbove50Percent