What's New In This Guide

This section introduces the documentation updates for Release 25.2.2xx.

Release 25.2.202- G48424-03, September 2026

• Feature Updates

  • SEPP Functionalities and Features

    • Updated Table 3-1 to identify support for Roaming Hub and Hosted SEPP modes.

  • SEPP MNO functionality Support

    • Updated the LocalProfile Helm example:

      • plmnIdList can be blank in Hosted SEPP mode.

      • domain is a list.

      • Documented domainValidationReq.

    • Clarified that sanValidationRequired is obsolete and remains enabled from Release 25.2.2x.

    • Added EnhancedLoggingNFType and maxDetailsLength for enhanced problem details.

  • SEPP Metrics

    • Added Action, DestinationPlmn, EgressPath, RequestPath, and SourcePlmnId to Table 5-2.

  • Rate Limiting for Ingress Roaming Signaling per Remote SEPP Set MetricsRate Limiting for Ingress Roaming Signaling per Remote SEPP Set Metrics

    • Updated dimensions for remote-SEPP-set rate-limiting and configuration-manager route-failure metrics.

• General Updates

  • Error Response and Logging Enhancement for SEPP

    • Corrected the N32F-context-not-found response to HTTP 403, Forbidden, with cause CONTEXT_NOT_FOUND.

    • Updated related configuration examples, error catalog, and N32F message-forwarding response-code table.

  • Protocol and Application Errors > PN32F Errors

    • Expanded SEPP_INVALID_DESTINATION_URI with domain-validation scenarios for localProfile.domainValidationReq, including missing/invalid target hosts and unmatched configured domains.

Release 25.2.201- G48424-02, April 2026

There are no changes in this release.

Release 25.2.200- G48424-01, April 2026

Feature Updates:

• Added the following sections as part of Support for Max-Response Timer Header feature:
  • Added the Support for Max-Response Timer Header feature section to enable the SEPP to validate, add, or modify timestamp headers in both Ingress and Egress request paths.
  • Added the following metrics in the Ingress Gateway Metrics and Egress Gateway Metrics sections:
    • oc_ingressgateway_request_failure_total
    • oc_egressgateway_request_failure_total
    • oc_egressgateway_sbitimer_timezone_mismatch
    • oc_ingressgateway_sbitimer_timezone_mismatch
  • Added the following alerts in the Support Max-Response Timer Header Alerts section:
    • ocseppMaxRespVldnFailedWarn
    • ocseppMaxRespVldnFailedMinor
    • ocseppMaxRespVldnFailedMajor
    • ocseppMaxRespVldnFailedCritical
• Added the following sections as part of Support for Hosted SEPP feature:
  • Added the Hosted SEPP Feature section to enhance Oracle’s Hosted SEPP deployment by enabling multi-tenancy support.
  • Updated the Remote SEPP Set and Remote SEPP sections in the Configuring SEPP using CNC Console chapter.
  • Added the following metrics to Hosted SEPP metrics section:
    • ocsepp_cn32c_handshake_requests_hosted_sepp_total
    • ocsepp_cn32f_sni_xfs_requests_hosted_sepp_total
    • ocsepp_cn32f_sni_xfs_requests_mismatch_hosted_sepp_total
    • ocsepp_pn32f_requests_hosted_sepp_total
  • Removed the metrics ocsepp_allowed_p_rss_routing_failure_total from Hosted SEPP metrics section as this has been deprecated.
• Added the following sections as part of Support for PLMN Validation in Get Access Token Requests for Roaming Subscribers feature:
  • Added the Support for PLMN Validation in Get Access Token Requests for Roaming Subscribers section to describe requesterPLMN validation in GET OAuth access token requests.
  • Added ocsepp_oauth_total_requests metrics in the Support for PLMN Validation in Get Access Token Requests for Roaming Subscribers metrics section.
  • Added the following KPIs in the Support for PLMN Validation in Get Access Token Requests for Roaming Subscribers KPIs section:
    • Total number of Get_ACCESS_TOKEN messages received from a particular SEPP
    • Number of requests without the requesterPLMN/requesterPLMNList attribute received from a particular SEPP
    • Number of requests to which SEPP responded with an error towards a particular SEPP
  • Added the following alerts in the Support for PLMN Validation in Get Access Token Requests for Roaming Subscribers alerts section:
    • SEPPN32fNetworkIDOauthValidationFailureWarn
    • SEPPN32fNetworkIDOauthValidationFailureMinor
    • SEPPN32fNetworkIDOauthValidationFailureMajor
    • SEPPN32fNetworkIDOauthValidationFailureCritical
• Added the following section as part of Lifecycle Management (LCM) Based Automation feature:
  • Added Lifecycle Management (LCM) Based Automation section to describe optimization of deployment and upgrade processes of SEPP by automating service account creation.
• Added the following sections as part of Traffic Prioritization using Egress Gateway Pod Protection feature:
  • Added Traffic Prioritization using Egress Gateway Pod Protection section to describe rate limiting mechanism is applied to the Egress Gateway pods.
  • Updated PLMN Egress Gateway section in the Configuring SEPP using CNC Console chapter.
  • Added the following metrics in the Traffic Prioritization using Egress Gateway Pod Protection metrics section:
    • nrfclient_nw_conn_out_request_total
    • oc_egressgateway_http_requests_total
    • oc_egressgateway_http_request_ratelimit_values_total
    • oc_egressgateway_http_request_ratelimit_reject_chain_duration_histogram_seconds_bucket
    • oc_egressgateway_http_request_ratelimit_reject_chain_length_histogram_bucket
    • oc_egressgateway_congestion_cpu_state
    • oc_egressgateway_congestion_system_state
    • oc_egressgateway_system_state_duration_percentage
    • oc_egressgateway_congestion_level_total
    • oc_egressgateway_congestion_level_bucket_total
    • oc_egressgateway_congestion_cpu_percentage_bucket
• Added the following sections as part of Error Response and Logging Enhancement for SEPP feature:
  • Added Error Response and Logging Enhancement for SEPP to describe error enhancements and logging improvements.
  • Updated Logging Level Options section in the Configuring SEPP using CNC Console chapter.
• Updated the Support of Service mesh in SEPP section to describe the SEPP support for bypassing ASM sidecars.
• Enhanced the SEPP and NRF Communication feature. Added the follwing sections:
  • SEPP and NRF Communication
    • Static Host Based Selection
    • DNS SRV Based Selection
    • Upgrading SEPP for NRF Configuration

General Updates:

• Added the cnDBTier Georeplication across all sites APIs in the following sections:
  • Support for cnDBTier APIs in CNC Console
  • cnDBTier APIs
• Updated the dimensions of various metrics in the SEPP Metrics section.
• Added a note about rollback sequence for n-site geo-replicated setup in the Georedundancy section.
• Added the following multipart related metrics in the CN32F Common Metrics section:
  • ocsepp_cn32f_multipart_requests_extraction_failure_total
  • ocsepp_cn32f_multipart_response_extraction_failure_total
• Added the http_error_message dimension to the following metrics in the PN32F Common Metrics and CN32F Common Metrics sections:
  • ocsepp_pn32f_requests_failure_total
  • ocsepp_cn32f_requests_failure_total