EPC User Guide

• 1 Introduction
  • 1.1 Overview
  • 1.2 Deployment scenario
• 2 EPC Installation
  • 2.1 Operating system
  • 2.2 EPC source code
    • 2.2.1 Get the code without login
    • 2.2.2 Get the code with login (contributors)
  • 2.3 Additional software
• The Better String Library (http://bstring.sourceforge.net/)
• Libgtpnl
  • 2.4 HSS
    • 2.4.1 HSS pre-installation
      • 2.4.1.1 Mysql server installation
      • 2.4.1.2 Phpmyadmin installation details
    • 2.4.2 HSS configuration
      • 2.4.2.1 Step 1
      • 2.4.2.2 Step 2
      • 2.4.2.3 Step 3
      • 2.4.2.4 Step 4
    • 2.4.3 HSS build
    • 2.4.4 HSS run
      • 2.4.4.1 First run
        • 2.4.4.1.1 Customize HSS database content
      • 2.4.4.2 Later runs
  • 2.5 MME
    • 2.5.1 MME pre-installation
    • 2.5.2 MME configuration
      • 2.5.2.1 Step 1
      • 2.5.2.2 MME section
        • 2.5.2.2.1 INTERTASK_INTERFACE subsection
        • 2.5.2.2.2 S6A subsection
        • 2.5.2.2.3 SCTP subsection
        • 2.5.2.2.4 S1AP subsection
        • 2.5.2.2.5 GUMMEI LIST subsection
        • 2.5.2.2.6 TAI LIST subsection
        • 2.5.2.2.7 NAS subsection
        • 2.5.2.2.8 Network interfaces subsection
        • 2.5.2.2.9 Logging subsection
      • 2.5.2.3 SGW section
        • 2.5.2.3.1 Network interfaces subsection
      • 2.5.2.4 Step 2
      • 2.5.2.5 Step 3
    • 2.5.3 MME build
    • 2.5.4 Before MME first run
    • 2.5.5 MME run
  • 2.6 SP_GW
    • 2.6.1 SP-GW pre-installation
    • 2.6.2 SP-GW configuration
      • 2.6.2.1 Step 1
      • 2.6.2.2 SGW section
    • 2.6.3 Network interfaces section
      • 2.6.3.1.1 INTERTASK_INTERFACE subsection
      • 2.6.3.1.2 Logging subsection
      • 2.6.3.2 PGW section
        • 2.6.3.2.1 Main section
        • 2.6.3.2.2 Network interfaces section
        • 2.6.3.2.3 IP Address Pool section
    • 2.6.4 SPGW run
• 3 Supported scenarios in EPC
  • 3.1 E-UTRAN Initial attach
    • 3.1.1 Attach with IMSI
    • 3.1.2 Attach with GUTI
  • 3.2 Tracking Area Update procedures
  • 3.3 Routing Area Update procedures
  • 3.4 Service Request procedures
    • 3.4.1 UE triggered Service Request
    • 3.4.2 Network triggered Service Request
  • 3.5 S1 Release procedure
  • 3.6 GUTI Reallocation procedure
  • 3.7 Detach procedure
    • 3.7.1 UE-Initiated Detach procedure for E-UTRAN
    • 3.7.2 MME-Initiated Detach procedure for E-UTRAN
    • 3.7.3 HSS-Initiated Detach procedure for E-UTRAN
  • 3.8 HSS User Profile management function procedure
  • 3.9 Bearer deactivation
    • 3.9.1 PDN GW initiated bearer deactivation
    • 3.9.2 MME initiated Dedicated Bearer Deactivation
  • 3.10 Intra E-UTRAN handover
• 4 Annex A: Tools for observing, debugging.
  • 4.1 Wireshark/tshark
  • 4.2 Mscgen
  • 4.3 S1AP scenario replay
    • 4.3.1 Overall process
    • 4.3.2 Step0: Install required software on the “scenario replay”testbed
      • 4.3.2.1 openairinterface5g installation
      • 4.3.2.2 openair-cn installation
      • 4.3.2.3 openair-cn-scenarios installation
    • 4.3.3 Step1: Flowchart of network capture on S1-C
    • 4.3.4 Step2: Generate a generic scenario
    • 4.3.5 Step3: Create configuration files for the “scenario replay” testbed
    • 4.3.6 Replay a S1AP generic scenario
• 5 Annex B: GTP fragmentation.