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CHAPTER

Intranet VPN Business Scenario 3-1

Intranet VPN Business

Scenario

This chapter explains the basic tasks for conﬁguring an IP-based, intranet Virtual Private

Network (VPN) on a Cisco 7100 series router using generic routing encapsulation (GRE)

as the tunneling protocol. Only basic security, Cisco IOS weighted fair queuing (WFQ),

and extended access lists for basic trafﬁc ﬁltering are conﬁgured.

This chapter includes the following sections:

• Scenario Description, page 3-2

• Step 1—Conﬁguring the Tunnel, page 3-4

• Step 2—Conﬁguring Quality of Service, page 3-8

• Step 3—Conﬁguring Encryption, page 3-11

• Step 4—Conﬁguring Cisco IOS Firewall Features, page 3-32

• Comprehensive Conﬁguration Examples, page 3-37

Note Throughout this chapter, there are numerous conﬁguration examples and sample

conﬁguration outputs that include unusable IP addresses. Be sure to use your own IP

addresses when conﬁguring your Cisco 7100 series router.

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Cisco 7100 Series Specifiche Pagina 31