Cisco 7100 Series Dokumentacja Pobierz pdf (Strona 73)

CHAPTER

Extranet VPN Business Scenario 4-1

Extranet VPN Business

Scenario

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

Network (VPN) on a Cisco 7100 series router using IP Security Protocol (IPSec) as the

tunneling protocol. Only Network Address Translation (NAT), 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 4-2

• Step 1—Conﬁguring Network Address Translation, page 4-4

• Step 2—Conﬁguring Encryption and an IPSec Tunnel, page 4-9

• Step 3—Conﬁguring Quality of Service, page 4-22

• Step 4—Conﬁguring Cisco IOS Firewall Features, page 4-23

• Comprehensive Conﬁguration Examples, page 4-27

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 Dokumentacja Strona 73