Cisco 7100 Series Spezifikationen PDF herunterladen (Seite 23)

CHAPTER

Before You Begin 2-1

Before You Begin

This chapter provides an overview of the business scenarios covered in this guide, items

you should consider before attempting to conﬁgure a Virtual Private Network (VPN) on

your Cisco 7100 series router, and the assumptions this guide makes.

This chapter includes the following sections:

• Overview of Business Scenarios, page 2-1

• Considerations, page 2-3

• Assumptions, page 2-7

Overview of Business Scenarios

The business scenarios explained in this guide provide a remote ofﬁce and a business

partner access to a corporate headquarters network through secure generic routing

encapsulation (GRE) and IP Security Protocol (IPSec) tunnels. (See Figure 2-1.)

Note Although supported by Cisco 7100 series routers, this guide does not explainhow to

conﬁgure access VPNs using the Layer 2 Forwarding (L2F) or Layer 2 Tunnel Protocol

(L2TP) tunneling protocols. Conﬁguring access VPNs using the L2TP tunneling protocol

will be covered in a later release of this guide. For detailed information on conﬁguring

client-initiated and network access server (NAS)-initiated access VPNs using the L2F

tunneling protocol, refer to the Access VPN Solutions Using Tunneling Technology

publication.

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Cisco 7100 Series Spezifikationen Seite 23