The Cisco ASR 5000 ePDG System Administration (ePDG3D) is a 3-day instructor-led course that introduces the learners to detailed instructions on how to configure and monitor the Cisco ASR 5000 to function as an evolved packet data gateway (ePDG) in a 4G Wi-Fi offload network environment.

The course is available only as a private group training (up to 12 people).


Upon completing this course, the learner will be able to meet these overall objectives:
  • Performing basic service configuration and monitoring of the ePDG
  • Monitoring the system for proper subscriber session establishment
  • Basic debugging of initial attachment failure


The course contains these components:
  • Module 1: Getting Started with 4G Wi-Fi Offload:
    • Client versus clientless devices
    • Trusted versus untrusted devices
    • ePDG and Wi-Fi infrastructure
    • Role of wireless LAN controller (WLC)
    • SSIDs and VLANs
    • EAP-based WLAN authentication
    • Portal-based WLAN authentication
    • Obtaining IP address of ePDG
    • Initial attachment via ePDG
  • Module 2: Hardware Overview of the ASR 5000:
    • Viewing card status
    • Viewing port status
    • Basics of link aggregation
  • Module 3: Software overview of the ASR 5000:
    • Software tasks on ePDG
    • Session recovery basics
    • Software licensing
    • System file system management
  • Module 4: Terminology:
    • Logical interfaces
    • Bindings
  • Module 5: Configuring the ASR 5000 as an ePDG:
    • SWu interface
    • IPsec transforms and policies
    • DIAMETER AAA SWm interface
    • ePDG service configuration
    • MAG service configuration
    • Role of DNS
    • Lab: Configuring an ePDG
  • Module 6: Monitoring and Troubleshooting ePDG Operation:
    • Viewing subscriber sessions
    • Obtaining IPSec information and statistics
    • Examining the ePDG service
    • DIAMETER proxy operation on the ASR 5000
    • Viewing MAG service operation
  • Module 7: Logging on the ASR 5000:
    • Viewing system logs
    • Configuring runtime logging
    • Redirecting logging output
    • Logging a subscriber session
    • Configuring a syslog server
    • Crash logging
  • Module 8: Threshold Crossing Alarms (TCAs):
    • Alert versus alarm model
    • Displaying threshold crossing alarm settings
    • Configuring threshold crossing alarms
    • Viewing alarms that have fired

Prerequisite Knowledge

The knowledge and skills that a learner should possess before attending this course are as follows:
  • A thorough understanding of IP routing and networking protocols
  • A basic working knowledge of applicable Wi-Fi network operation