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Easy VPN Configuration Example
This document provides a Easy VPN (EzVPN) sample configuration, using Cisco 1800 series,
Cisco
2800 series, and Cisco 3800 series routers.
Contents
•
Introduction, page 1
•
Before You Begin, page 2
•
Configure, page 3
•
Verify, page 12
•
Troubleshoot, page 14
•
Related Information, page 16
Introduction
This document provides a sample Easy VPN (or EzVPN) configuration with the following
characteristics:
•
All traffic between two client branch sites and headquarters passes through a Virtual Private
Network (VPN) of IP Security (IPSec) encrypted tunnels.
•
Techniques used include Internet Key Exchange (IKE) dead peer detection (DPD), split tunneling,
and group policy on the server with Domain Name Server (DNS) information, Windows Information
Name Service (WINS) information, domain name, and an IP address pool for clients.
•
Headquarters uses an EzVPN concentrator, a Cisco 3800 series router, with an ATM interface.
•
One branch uses a Cisco 2800 series router and employs a network-mode EzVPN client with a serial
interface, while another branch uses a Cisco 1800 series router and uses client mode EzVPN with
an SHDSL interface.
•
The various show commands demonstrate configurations for the Internet Security Association Key
Management Protocol (ISAKMP) and IPSec Security Associations (SAs) on the EzVPN
concentrator, as well as IPSec client EzVPN status on the clients.
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