This course provides detailed instruction on how to configure and monitor the Cisco® ASR 5000 to function as a tunnel termination gateway (TTG) in a 3G Wi-Fi offload network environment. The TTG provides interworking between a wireless LAN (WLAN) and a 3G mobile packet core (MPC).

Upon completion of this course, you should have a thorough understanding of the following aspects of the platform:

• Performing basic service configuration and monitoring of the eWAG
• Monitoring the system for proper subscriber session establishment
• Basic debugging of initial attachment failure

• Day 1: Morning Session
  • Discussion: Course Objectives and Schedule
  • Lesson 1: Getting Started with 3G Wi-Fi Offload
    • Client versus clientless devices
    • Trusted versus untrusted devices
    • TTG and Wi-Fi infrastructure
    • Role of wireless LAN controller (WLC)
    • SSIDs and VLANs
    • EAP-based WLAN authentication
    • Portal-based WLAN authentication
    • Handoffs between Wi-Fi and cellular network
    • Attachment to mobile packet core via the TTG
  • Lesson 2: Hardware overview of the ASR 5000
    • Viewing card status
    • Viewing port status
    • Basics of link aggregation
    • Lunch
• Day 1: Afternoon Session
  • Lesson 3: Software Overview of the ASR 5000
    • Software tasks on TTG
    • Session recovery basics
    • Software licensing
    • System file system management
  • Lesson 4: Terminology
    • Logical interfaces
    • Bindings
    • Services
    • APNs
    • AAA server groups
• Day 2: Morning Session
  • Review of Day One, Question-and-Answer Session
  • Lesson 5: Configuring the ASR 5000 for TTG Operation
    • Wu interface
    • IPSec transforms and policies
    • Wm AAA interface
    • Packet data gateway (PDG) service
    • GGSN service
    • SGTP service
• Day 2: Afternoon Session
  • GPRS tunnel (GTP) interface
  • IP pools
  • APN config
  • Lab: Configuring for TTG operation
  • Tracing user sessions

• Day 3: Morning Session
  • Review of Day Two, Question-and-Answer Session
  • Lesson 6: Monitoring and Troubleshooting TTG Operation
    • Viewing subscriber sessions
    • Tracing subscriber sessions
    • Role of DNS
    • Protocol monitor
    • Obtaining TTG information and statistics
    • Examining the SGTP service
• Day 3: Afternoon Session
  • Lesson 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
  • Lesson 8: Threshold Crossing Alarms (TCAs)
    • Alert versus alarm model
    • Displaying threshold crossing alarm settings
    • Configuring threshold crossing alarms
    • Viewing alarms that have fired

This course is designed for participants from any of the following disciplines who are responsible for the planning, configuration, and management of the ASR 5000:

• Network engineering
• Network consulting
• Customer support
• Field engineering

Following are the prerequisites for this course:

• Participants must also have a thorough understanding of IP routing, networking protocols, and a basic working knowledge of applicable Wi-Fi network operation.

Participant Material Requirements

• Participants are required to bring the following materials to this training course:
• Laptop or notebook computer with:
  • Terminal emulation program (such as PuTTY, available at http://www.chiark.greenend.org.uk/~sgtatham/putty/) capable of Telnet or SSH
  • 10/100BASE-T Ethernet interface