Cisco Ultra Cloud Serving Gateway Control Plane Function, Release 2023.04
About this Guide
Conventions Used
Contacting Customer Support
UCC cnSGW-C - Release Change Reference
Features and Behavior Change Quick Reference
Feature Defaults Quick Reference
Extended and Non-Standard QCI Values Support and Validation
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
GTPU Error Indication
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
GTPU Path Failure
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
show subscriber Output Change—CSCvy40559
Behavior Change Summary and Revision History
Summary Data
Revision History
Behavior Change
Performance Optimization Support
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
UDP Proxy Functionality Merge into the Protocol Microservices—CSCvz10227
Feature Summary and Revision History
Summary Data
Revision History
Behavior Change
About cnSGW
5G Architecture
Overview
Control Plane Network Functions
User Plane Network Function
Subscriber Microservices Infrastructure Architecture
Control Plane Network Function Architecture
cnSGW-C Overview
Product Description
Converged Core Overview
Use Cases
Deployment Architecture and Interfaces
cnSGW-C Architecture
cnSGW-C Deployment
Converged Core Architecture
Converged Core Deployment
Supported Interfaces
Life Cycle of Data Packet
License Information
Standards Compliance
Deploying and Configuring cnSGW-C through Operations Center
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
cnSGW-C Ops Center
Prerequisites
cnSGW-C Service Configuration
Mapping Pods with Node Labels
Deploying and Accessing cnSGW-C
Deploying cnSGW-C
Accessing the cnSGW-C Ops Center
Day 0 Configuration
Loading Day 1 Configuration
Day1config.cli
Smart Licensing Support
Feature Summary and Revision History
Summary Data
Revision History
Smart Software Licensing
Cisco Software Central
Smart Accounts and Virtual Accounts
Requesting a Cisco Smart Account
cnSGW-C Smart Licensing
Software Tags and Entitlement Tags
Multiple Entitlement Tags
Feature Description
How it Works
Limitations
Sample Configuration
Configuration Checks
Troubleshooting
Configuring Smart Licensing
Users with Access to Cisco Software Central
Users without Access to Cisco Software Central
Viewing the Smart Licensing information
cnSGW-C Rolling Software Update
Feature Summary and Revision History
Summary Data
Revision History
Introduction
Updating cnSGW-C
Rolling Software Update Using the SMI Cluster Manager
Prerequisites
cnSGW-C Health Check
Backing Up the Deployment File
Backing Up the Ops Center Configuration
Back Up CEE and cnSGW-C Ops Center Configuration
Staging a New cnSGW-C Image
Triggering the Rolling Software Upgrade
Monitoring the Update Procedure
Viewing the Pod Details
Rolling Software Update on Non-SMI Cluster
Pods and Services Reference
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
Pods
UDP Proxy Pod
Feature Description
Architecture
Protocol Pod Selection for Peer-Initiated Messages
High Availability for the UDP Proxy
Services
Open Ports and Services
Associating Pods to the Nodes
Viewing the Pod Details and Status
Pod Details
States
3GPP RAN/NAS Cause Codes Support
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
How it Works
Call Flows
Create Bearer Procedure Call Flow
Update Bearer Procedure Call Flow
Delete Bearer Command Procedure Call Flow
Delete Session Procedure Call Flow
Access Bearer Release Support
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
How it Works
Call Flows
Release Access Bearer (Active to IDLE Transaction) Call Flow
APN Profile Support
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
Feature Configuration
Configuring DNN Profile
Configuring Network Element Profile
Configuration Modification Impact
Troubleshooting Information
Configuration Errors
Change Notification Request Handling
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
Standards Compliance
How it Works
Call Flows
Change Notification Request Call Flow
OAM Support
Bulk Statistics Support
Clear Subscriber Request
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
Standards Compliance
How it Works
Supported Clear Command
Call Flows
Clear PDN Call Flow
Context Replacement Support
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
How it Works
Call Flows
Full Context Replacement Call Flow
Create Session Request Call Flow
Partial Context Replacement Call Flow
Create Session Request with Default Bearer EBI Call Flow
Create Session Request with Dedicated Bearer EBI Call Flow
OAM Support
Bulk Statistics
Dedicated Bearer Support
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
Setup and Update Dedicated Bearers
Feature Description
How it Works
Call Flows
Dedicated Bearer Setup – Request Accepted Call Flow
Dedicated Bearer Setup – Request Accepted Partially Call Flow
Dedicated Bearer Update – Request Accepted Call Flow
Delete Dedicated Bearers
Feature Description
How it Works
Call Flows
Dedicated Bearer Deletion Procedure Call Flow
Delete Bearer and Delete Session Request
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
Delete from MME
Delete from PGW
Standard Compliance
How it Works
Call Flows
Downlink Data Notification
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
DDN Message Handling
Feature Description
How it Works
Call Flows
Downlink Data Notification Success Call Flow
Downlink Data Notification Failure Call Flow
No User Connect Retry Timer Call Flow
Feature Configuration
Configuring the DDN Failure Timer
Configuration Example
Configuration Verification
Configuring DDN No User Connect Retry Timer
Configuration Example
Configuration Verification
Control Messages Triggered DDN Support
Feature Description
How it Works
Call Flows
Downlink Data Notification for PGW-initiated procedure with Cloud Native Call Flow
Feature Configuration
Configuration Example
Configuration Verification
Disabling the DDN Control Procedure
DDN Advance Features
Feature Description
How it Works
Call Flows
DDN Delay Call Flow
High Priority DDN Call Flow
DDN Throttling Call Flow
Standards Compliance
Feature Configuration
Configuration Example
OAM Support
Bulk Statistics
DSCP Marking Support
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
DSCP Marking for Data Packets
Feature Description
How it Works
Feature Configuration
Configuration Example
Configuration Verification
DSCP Marking for CP Signaling Messages
Feature Description
Feature Configuration
Configuring DSCP under S11 Interface for GTP Endpoint
Configuration Example
Configuration Verification
Configuring DSCP under S5e Interface for GTP Endpoint
Configuration Example
Configuration Verification
Configuring DSCP under Sxa Interface for Protocol Endpoint
Configuration Example
Configuration Verification
Removing DSCP Configuration
Configuration Example
Configuration Verification
Dynamic Routing by Using BGP
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
How it Works
External Network Failure
Geo Switchover
Internal Network Failure
Local Switchover
Recovery and Failback
Call Flows
Publish Route for Incoming Traffic in an Active-Standby Mode
Single Protocol Pod Failure Call Flow
Learn Route for Outgoing Traffic Call Flow
Configuring Dynamic Routing Using BGP
Monitoring and Troubleshooting
Emergency Call Support
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
Limitations
How it Works
Call Flows
Create Emergency Session Call Flow
OAM Support
Bulk Statistics Support
Extended and Non-Standard QCI Values Support and Validation
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
Validation for Extended and Non-Standard QCI Values
Support and Validation for Extended and Non-Standard QCI Values for VoLTE Marking
eMPS/WPS Support
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
eMPS/WPS Support
Feature Description
eMPS GTPv2 Load/Overload Self Protection Exclusion Support
Feature Description
Message Priority Profile Support
Feature Description
How it Works
Session Type Conflict Resolution at cnSGW
Handling of WPS Session at UPF over Sxa Interface
WPS Session Monitoring
Feature Configuration
Configuring WPS Profile
Configuration Example
Configuration Verification
Configuring Message Priority Profiles
Configuring WPS-Profile and SGW-Profile Association
Configuration Example
Configuration Verification
Configuring WPS-Profile and DNN-Profile Association
Configuration Example
Configuration Verification
Configuring SGW QoS Profile
Associating sgw-qos-profile with sgw-profile and DNN profile
Feature Configuration
Configuring Overload Exclude Profile
Configuration Example
Configuration Verification
Associating the Overload-Profile with SGW-Profile Association
Configuration Example
Configuration Verification
OAM Support
Monitoring and Troubleshooting
Bulk Statistics Support
Failure and Error Handling Support
Feature Summary and Revision History
Summary Data
Revision History
Overview
Attach and Detach Failure and Error Handling
Create Session Request Failure Handling
Delete Default Bearer Procedure Failure Handling
Delete Session Procedure Failure Handling
Session Setup Timer during Attach Procedure
Create-Update-Delete Bearer Request and Response Failure and Error Handling
Create Bearer Procedure Failure Handling
Delete Dedicated Bearer Procedure Failure Handling
Update Bearer Procedure Failure Handling
Radio Access Bearer/Modify Bearer Request Failure and Error Handling
Support for Failure Cause Code, Cause Source, and Bearer Context Error
Failure Cause Code
Cause Source
Bearer Context Error
GTPC and Sx Path Management
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
GTPC and Sx Path Management
Feature Description
Feature Configuration
Configuring the Echo Parameters
Configuring Heartbeat
Viewing the Peer Configuration
Configuration Example
OAM Support
Alerts
Bulk Statistics Support
GTPC Path Failure
Feature Description
How it Works
GTPC Path Failure Detection
Path Failure Handling
Feature Configuration
Configuring Action on Path Failure Detection
Configuring Notification to Update the Peer Node
Configuration Example
OAM Support
Bulk Statistics Support
Sx Path Failure
Feature Description
How it Works
Sx Path Failure Detection
Path Failure Handling
Heartbeat Handling
OAM Support
Bulk Statistics Support
Customization of Path Failure Detection
Feature Description
Feature Configuration
Configuring Sx Path Failure Customization
Configuring GTPC Path Failure Customization
OAM Support
Bulk Statistics Support
GTPU Error Indication
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
How it Works
Error Indication Support
Default Bearer with s1u as local-purge Call Flow
Dedicated Bearer with s1u as local-purge Call Flow
Dedicated Bearer (IDFT) with s1u as local-purge Call Flow
Default/Dedicated Bearer with s1u as page-ue Call Flow
Default Bearer with s5u as local-purge/signal-peer Call Flow
Dedicated Bearer with s5u as local-purge/signal-peer Call Flow
Graceful Termination
Graceful Termination Call Flow
Session Replacement
Session Replacement for Default Bearer Call Flow
Session Replacement for Dedicated Bearer Call Flow
Feature Configuration
Configuration Example
Conifguration Verification
OAM Support
Bulk Statistics
GTPU Path Failure
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
How it Works
Call Flows
Path Failure for Default Bearer Call Flow
Path Failure for Dedicated Bearer Call Flow
Feature Configuration
Configuration Example
Configuration Verification
GTPU Path Failure OAM Support
Bulk Statistics
GTPv2 and Sx Messages Retransmission and Timeout Handling
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
How it Works
Configuring the Retransmission and Timeout Values
Configuration Verification
GTPv2 Load/Overload Support
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
Configuring the GTPv2 Load and Overload Feature
Configuring the Load Profile
Configuration Example
Configuring the Exclude Profile
Configuration Example
Configuring the Overload Condition Profile
Configuring the Maximum Session Count
Configuration Example
Associating the Overload-Profile with SGW-Profile Association
Configuration Example
Configuration Verification
GTPv2 Load and Overload OAM Support
Bulk Statistics
GTPv2 Message Validation
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
How it Works
Call Flows
Basic and Advance Validation on SGW-Ingress (S11) Call Flow
Basic and Advance Validation on SGW-Egress (S5) Call Flow
IDFT Support
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
Standards Compliance
How it Works
Call Flows
IDFT Support without SGW Relocation Call Flow
IDFT Support with SGW Relocation Call Flow
5G to 4G Handover Flow for Pure-S Call Flow
4G to 5G Handover Flow for Pure-S Call Flow
Create IDFT (System-level) Call Flow
Delete IDFT (System-level) Call Flow
OAM Support
Viewing IDFT Configuration
Failure Handling
Bulk Statistics Support
Idle Session Timeout Settings
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
How it Works
Call Flows
Inactivity Report Call Flow
Idle Timer Handling on UPF Call Flow
Reactivity Report Call Flow
Clear Call Handling Call Flow
Feature Configuration
Configuration Example
Configuration Verification
Initial Attach Support
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
How it Works
Call Flows
Initial Attach Call Flow
Standards Compliance
Support for Backoff Timer, Origination TimeStamp, and MaxWait Time
Backoff Timer
Origination Time Stamp
MaxWaitTime
Inter System RAT Handover
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
How it Works
Call Flows
Wi-Fi to LTE Success Call Flow
GnGp to LTE Handover with OI Indicator Set Call Flow
GnGp to LTE Handover with OI Indicator Unset Call Flow
Standards Compliance
Intra-MME and Inter-MME Handover Procedures
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
How it Works
Call Flows
Inter-MME Handover Active-Active Transition Call Flow
Intra-MME Handover Active-Active Transition Call Flow
Inter/Intra-MME Handover Idle-Idle Transition Call Flow
Inter/Intra-MME Handover Active-Idle Transition Call Flow
Inter-MME Handover and Multi-PDN Handling Active-Idle Transition with ULI Change Call Flow
Inter-MME Handover with Bearer Context Marked for Removal Call Flow
Intra-MME and Inter-MME Handover Procedures OAM Support
Bulk Statistics
MCC/MNC Configuration in the SGW Service
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
How it Works
Call Flows
PLMN-type Detection Call Flow
Configuring the MCC or the MNC in the SGW Service
Configuration Example
OAM Support
Bulk Statistics Support
Message Interactions Support
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
How it Works
Call Flows
CBR Multi-PDN Call Flow
Graceful Stop the Existing PDN Procedure Call Flow
Inter MME Handover with Multi-PDN Handling (With PGW Interaction) Call Flow
Multi PDN Call X2 Handover SGW Relocation to cnSGW-C Call Flow
Multi-PDN S1 Handover SGW Relocation to Service-Pod (SGW) Call Fow
Multiple CBR for Same PDN Call Flow
Collision Resolver Discard Handling Call Flow
Suspend Handling Call Flow
Abort Handling of Low-Priority Procedure Call Flow
Double Delete Optimization Call Flow
Modify and Delete Bearer Command Support
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
How it Works
Call Flows
MBC Failure Handling Call Flow
MBC Success Handling Call Flow
DBC Failure Handling Call Flow
DBC Success Handling Call Flow
Modify Bearer Request Support
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
How it Works
Call Flows
UE-Triggered Service Request without PGW Interaction Call Flow
UE-Triggered Service Request with PGW Interaction Call Flow
Monitor Subscriber and Protocol Support
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
Feature Configuration
Configuring the Monitor Subscriber
Configuration Example
Configuring the Monitor Protocol
Configuration Example
Configuring the Transaction Messages
Configuration Example
Accessing the Logs
Multiple PDN Attach or Detach Procedures
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
How it Works
Call Flows
UE-requested PDN Connection Call Flow
UE-requested or the MME-requested PDN Disconnection Call Flow
PGW-requested Disconnection Call Flow
Performance Optimization Support
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
Async BG-IPC from GTPC-EP towards SGW-Service
Feature Description
Batch ID Allocation, Release, and Reconciliation Support
Feature Description
How it Works
Feature Configuration
OAM Support
Bulk Statistics
Cache Pod Optimization
Feature Description
CDL Flush Interval and Session Expiration Tuning Configuration
Feature Description
Feature Configuration
Configuration Example
DDN Call Flow Optimization
Feature Description
How it Works
Call Flows
Current Downlink Data Notification Handling Call Flow
DDN Handling with Internal DDN Delay Timer Call Flow
Feature Configuration
Configuration Example
OAM Support
Bulk Statistics
DDN Timeout Configuration
Feature Description
Feature Configuration
Domain-based User Authorization Using Ops Center
Feature Description
How it Works
Feature Configuration
Configuration Example
Configuration Verification
Edge Echo Implementation
Feature Description
How it Works
OAM Support
Bulk Statistics Support
ETCD Peer Optimization Support
Feature Description
How it Works
Optimized GTPv2 Encoder and Decoder
Feature Description
Feature Configuration
Configuration Example
OAM Support
Bulk Statistics Support
GTPC Endpoint with GR Split
Feature Description
How it Works
GTPC Endpoint Interface Split with S11 and S5
Feature Description
How it Works
Feature Configuration
Configuration Example
GTPC IPC Cross-rack Support
Feature Description
How it Works
Call Flows
cnSGW-C GTPC Optimization with Inter-rack IPC Call Flow
SMF and PGWc GTPC Optimization with Inter-rack IPC Call Flow
Feature Configuration
Configuration Example
OAM Support
KPI Support
Interservice Pod Communication
Feature Description
How it Works
Call Flows
Collapsed Call Attach with SGW-Service to SMF-Service Configuration Call Flow
OAM Support
Statistics Support
MBR Call Flow Optimization
Feature Description
How it Works
Call Flows
Idle-Active Transition with Intra MME HO Call Flow
MBR Optimization Call Flow
Feature Configuration
Configuration Example
Configuration Verification
OAM Support
Bulk Statistics Support
Maintenance Mode
Feature Description
How it Works
Limitations
Enabling or Disabling Maintenance Mode
Enabling or Disabling Maintenance Mode Example
Verifying the Maintenance Mode State
Partial CDL Update for Idle-Active Call Flow
Feature Description
How it Works
Limitations
Feature Configuration
Configuration Example
OAM Support
Bulk Statistics Support
PFCP Session Report with DLDR Throttling Support
Feature Description
How it Works
Feature Configuration
Configuration Example
Configuration Verification
OAM Support
Bulk Statistics Support
Resiliency Handling
Feature Description
How it Works
Feature Configuration
Configuration Example
Configuration Verification
OAM Support
Bulk Statistics Support
Roaming Peer Path Management Optimization
Feature Description
How it Works
Feature Configuration
Configuring the Operator Policy and Subscriber Policy
Configuration Example
Configuring the Default Gateway
Configuration Example
Configuration Verification
OAM Support
Bulk Statistics Support
Flag DB Database Updates
Feature Description
OAM Support
Bulk Statistics Support
UDP Proxy Functionality Merged into Protocol Microservices
Feature Description
PFCP Protocol Endpoint with UDP Proxy Bypass
GTPC Protocol Endpoint with UDP Proxy Bypass
How it Works
Call flows
GTPC Protocol Endpoint with UDP Proxy Bypass Call Flow
Feature Configuration
Configuring Internal VIP
Configuring GTP VIPs
Configuration Example
Presence Reporting Area
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
How it Works
Redundancy Support
Feature Summary and Revision History
Summary Data
Revision History
High Availability Support
Feature Description
High Availability of UDP Proxy
Architecture
cnSGW-C Pod and VM Deployment Layout
How it Works
Configuring Pod-level Labelling and Replicas
Configuration Example
Configuration Verification
Inter-Rack Redundancy Support
Feature Description
How It Works
Overview
Inter-Rack Redundancy Triggers
Rack NF Roles
General Guidelines
Instance Awareness
Configuring Inter-Rack Redundancy Instance
Configuring Endpoint Instance Awareness
Configuring Profile cnSGW-CSMF Instance Awareness
Configuring cnSGW-C Endpoint
Dynamic Routing
Configuring Dynamic Routing Using BGP
Configuring BGP Speaker
IPAM
Configuring IPAM
Geo Replication
Configuring ETCD/Cachepod Replication
Geo Monitoring
Pod Monitoring
Remote Cluster Monitoring
Traffic Monitoring
BFD Monitoring
CDL GR Deployment
Prerequisites for CDL GR
CDL Instance Awareness and Replication
Configuring CDL Instance Awareness
Configuring CDL Replication
Lawful Intercept
RADIUS Configuration
Software Upgrade on GR Pairs
GR CLI
Geo Switch Role
Geo Reset Role
Troubleshooting
show/clear Commands
clear subscriber
show BFD Status
show BGP Global
show bgp kernel route
show bgp neighbors
show bgp route summary
show BGP Routes
show endpoint
show ETCD/Cache Pod Replication
show role
show ipam dp with type and address
show ipam dp
show ipam pool
show nrf discovery-info discovery-filter
show nrf discovery-info
show nrf registration-info
show nrf subscription-info
show peers
show role
show subscriber
Monitor Subscriber
Monitor Protocol
Geographic Redundancy OAM Support
Prerequisites for RMA Process
Health Check
Recovery Procedure
Key Performance Indicators (KPIs)
Bulk Statistics
Alerts
Maintenance Mode
Service Configuration Enhancements
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
Feature Configuration
Configuring the SGW Profile
Configuration Example
Configuration Verification
Configuring the Subscriber Policy
Configuration Example
Configuring the Operator Policy
Configuration Example
Configuring the Policy DNN
Configuration Example
Configuration Modification Impact
Troubleshooting Information
Configuration Errors
SGW Charging Support
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
Architecture
Roaming Support
How it Works
Call Flows
URR Installation on Initial Attach Call Flow
SGW CDR Call Flow
URR Removal and CDR Reporting on Detach Call Flow
Usage Report on Hitting Threshold Call Flow
URR Installation for Dedicated Bearer Call Flow
URR Removal and CDR Generation on Deletion of Dedicated Bearer Call Flow
Volume Reporting on S11 Trigger Call Flow
Volume Reporting on S5 Trigger Call Flow
Standards Compliance
Limitations
Feature Configuration
CLI Configuration
Configuring the cnSGW-C Charging Profile or GTP Prime
Configuring the GTPP Profile
Configuration Example
Configuring the GTPP Endpoint
Configuration Example
Configuring SGW Charging Profile
Configuration Example
Configuring the Charging Mode
Configuring the cnSGW-C Charging Threshold
Configuration Example
Configuring cnSGW-C Charging Threshold and cnSGW-C Charging Profile Association
Configuration Example
Configuring Call Control Profile
Configuring the Call Control Profile Creation
Configuration Example
Configuring the Operator Policy Association
Configuration Example
Configuring Charging Characteristics Under Call Control Profile
Configuration Example
Show CLI
GTPP-EP SFTP Push CLI
CDR Fields Supported in cnSGW-CDRs
custom24 Dictionary
ASN.1 Definition for Fields in custom24
SGW Charging OAM Support
Bulk Statistics
SGW Relocation Support
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
How it Works
Call Flows
X2 Handover SGW Relocation to cnSGW-C Call Flow
S1 Handover SGW Relocation to cnSGW-C Call Flow
TAU X2 Handover SGW Relocation to cnSGW-C Call Flow
X2 Handover SGW Relocation to CN-SGW (Multi PDN) Call Flow
S1 Handover SGW Relocation to CN-SGW (Multi PDN) Call Flow
X2 Handover SGW Relocation with Bearer Context Marked for Removal Call Flow
S1 Handover SGW Relocation with Bearer Context Marked for Removal Call Flow
Inter and Intra MME Handover and S1 SGW Relocation with Less Number of Bearer Context Call Flow
SGW Relocation OAM Support
Sx Load/Overload Control Handling
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
How it Works
Node Feature Support
UP Selection
Throttling Support for Sx Establishment
Session Termination Trigger From User-Plane in Self-Protection
Failure-handling Profile Support for Congestion Cause
Configuring the Sx Load/Overload Feature
Configuring Failure Handling Profile
Sx Load/Overload Control OAM Support
Bulk Statistics
Stale Session Handling and Clearing
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
How it Works
Call Flows
Timer Expiry Handling Call Flow
Feature Configuration
Configuration Example
Configuration Verification
OAM Support
Bulk Statistics
Update Bearer Request and Response
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
Standards Compliance
How it Works
Call Flows
UPF Selection Support
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
UPF Selection using DNN and DCNR Support
Feature Description
How it Works
UPF Selection Methods
DNN or APN Based
Network Based
UPF Selection Policy Based
Configuring UPF Selection Methods
Configuring UPF Group Profile-based UPF Selection
Configuring Network-based UPF Selection
Configuring Policy based UPF Selection
Troubleshooting Information
Configuration Errors
UPF Selection using Location Support
Feature Description
Configuring the UPF Selection Feature
Configuring ECGI for EPS
Configuring TAI-Group
Configuring Location-area-group
Configuring UPF Group and UPF Selection Policy Enhancement
Combined UPF Selection for cnSGW-C and SMF
Feature Description
Standards Compliance
How it Works
System Architecture
Call Flows
Initial Attach on 4G for 5G Capable Device Call Flow
UPF Registration with User Plane ID Call Flow
Inter-SGW Handover on 4G RAT for 5G Capable Devices Call Flow
5G to EPS Handover Using N26 Interface – cnSGW-C and SMF Separate Node Call Flow
Wi-Fi to LTE Handover Call Flow
Configuring the Combined UPF Selection for cnSGW-C and SMF
Configuring Converged-Core Profile
Configuring Node-ID
UPF Selection OAM Support
Bulk Statistics
VoLTE Call Prioritization
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
How it Works
Feature Configuration
Configuring the Priority
Configuration Example
Configuration Verification
Sx Message Priority
OAM Support
Bulk Statistics
cnSGW-C Troubleshooting
show subscriber and cdl show Commands
Sample cnSGW Configuration
Sample cnSGW-C Configuration
Sample Configuration
Statistics and KPI Reference
Key Performance Indicators
Feature Summary and Revision History
Summary Data
Revision History
Feature Description
KPI Categories
Session and Bearer KPIs
PLMN KPIs
Procedure KPIs
Failure/Rejection/Retransmission KPIs
Handover KPIs
Pod Level KPIs
Bulkstats Categories
Session/Bearer/UE Bulkstats
Procedural Bulkstats
Handover Bulkstats
Interaction Bulkstats
Failure Bulkstats
Alerts
LTE Procedure Alerts
Handover Alerts
Disconnect Reason Alerts
Sx Procedure Alerts
cnSGW-C Metrics Reference
Overview
sgw Metrics Reference
CDL active sessions Category
CDR container operations Category
CDR operations Category
SGW Bearer Level counters Category
SGW Bearer Level statistics Category
SGW callflow optimization stats Category
SGW CDL update stats Category
SGW Collision Stats Category
SGW DDN Stats Category
SGW PDN Disconnect Stats Category
SGW PDN EMPS Counter Category
SGW PDN EMPS Stats Category
SGW PDN Level Counters Category
SGW PDN Level statistics Category
SGW Procedure Category
SGW Resource Management stats Category
SGW Resource Management stats Category
SGW Sx session report stats Category
SGW Timer Stats Category
SGW UE Disconnect Stats Category
SGW UE Level Counters Category
SGW UE Level statistics Category
SGW usage report stats Category
SGW Volte session counter Category
gtpc-ep Metrics Reference
GTPC BGP Routed Count Stats Category
GTPC Roaming Peer Path Mgmt Stats Category
GTPC Short Circuit Map Count Category
GTPC Short Circuit Message Stats Category
Processing Time of SMF GTPC Messages Category
Processing time of GTPC messages Category
SGW TEID Cache Operation Stats Category
SMF GTPC Echo Stats Category
SMF GTPC Golang Encode Decode Stats Category
SMF GTPC Messages Total Category
SMF GTPC Unexpected Messages Category
SMF GTPC Validation Fail Stats Category
SMF GTPC messages Category
SMF GTPC priority messages Category
UDP-Proxy Metrics Reference
UDP-Proxy BGP Routes Count Category
UDP-Proxy Messages Category
MIB Reference
CISCO-CNEE-MIB
CISCO-SMI