Understanding IPSec VPNs Training Course

Primary tabs

Course Code


Duration Duration

14 hours (usually 2 days including breaks)

Requirements Requirements

Knowledge of TCP/IP and Cisco IOS would be an advantage.

Overview Overview

This 2 day course investigates the theory and technology associated with IPSec VPN’s.VPN’s are setup using Cisco IOS Routers and ASA Firewalls using the web interface. The workings of the protocols are examined using debug commands and protocol analyser traces of relevant negotiations.


Suitable for network planners, engineers or anyone interested in IPSec VPNs

Course is approximately 40% practical

Course Outline Course Outline


  • Review TCP/IP and the fields in the IP Header.
  • Describe the fields and headers in the ISAKMP Protocol.
  • Describe Main Mode negotiation to set up Phase 1 of a VPN
  • Describe Aggressive Mode negotiation to set up Phase 1 of a VPN.
  • Describe Quick Mode negotiation to set up Phase 2 of a VPN.
  • Compare IKEv1 and IKEv2 protocols.
  • Describe Symmetric and Public/Private Key encryption.
  • Describe ISAKMP Security Associations.
  • Describe IPSec Security Associations.
  • Describe IPSec AH Protocol.
  • Describe IPSec ESP Protocol.
  • Describe and Explain Diffie-Hellman Key Exchange.
  • Describe prime and primitive root of a prime number.
  • Describe, explain and configure site to site VPN’s using Cisco Routers and/or ASA Firewalls.
  • Describe Remote Access VPN’s using ADSL and Dial-up.
  • Use debug commands in Cisco CLI and wireshark to demonstrate and troubleshoot VPN negotiation.

Practical Exercises:

  • Lab Exercise 1: IPSec using manual, symmetric encryption keys.
  • Lab Exercise 2: IPSec using IKE and shared secret
  • Lab Exercise 3: IPSec using IKE and certificate authentication.

Public Classroom Public Classroom
Participants from multiple organisations. Topics usually cannot be customised
From 2373EUR
Private Classroom Private Classroom
Participants are from one organisation only. No external participants are allowed. Usually customised to a specific group, course topics are agreed between the client and the trainer.
Private Remote Private Remote
The instructor and the participants are in two different physical locations and communicate via the Internet
From 2630EUR
Request quote

The more delegates, the greater the savings per delegate. Table reflects price per delegate and is used for illustration purposes only, actual prices may differ.

Number of Delegates Public Classroom Private Remote
1 2373EUR 2630EUR
2 1492EUR 1595EUR
3 1198EUR 1250EUR
4 1051EUR 1078EUR
Cannot find a suitable date? Choose Your Course Date >>
Too expensive? Suggest your price

Related Categories

Course Discounts

Upcoming Courses

VenueCourse DateCourse Price [Remote/Classroom]
Frankfurt am MainMon, 2016-11-21 09:302630EUR / 3130EUR
NürnbergWed, 2016-11-23 09:302630EUR / 3130EUR
LeipzigThu, 2016-12-01 09:302630EUR / 3130EUR
StuttgartThu, 2016-12-01 09:302630EUR / 3130EUR
PotsdamWed, 2016-12-07 09:302630EUR / 3130EUR

Some of our clients