Transcription of Configuring IPsec and ISAKMP - Cisco
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CHAPTER 27-1 Cisco Security Appliance Command Line Configuration GuideOL-10088-0227 Configuring IPsec and ISAKMPThis chapter describes how to configure the IPsec and ISAKMP standards to build Virtual Private Networks. It includes the following sections: Tunneling Overview, page 27-1 IPsec Overview, page 27-2 Configuring ISAKMP , page 27-2 Configuring Certificate group Matching, page 27-9 Configuring IPsec , page 27-11 Clearing Security Associations, page 27-27 Clearing Crypto Map Configurations, page 27-27 Supporting the Nokia VPN Client, page 27-28 Tunneling OverviewTunneling makes it possible to use a public TCP/IP network, such as the Internet, to create secure connections between remote users and a private corporate network.
Diffie-Hellman (DH) Group 5. Designed for devices with low processing power, such as PDAs and mobile telephones, Group 7 provides the greatest security. The Certicom Movian Client requires Group 7. 2 (default) Group 2 (1024-bit) 5 Group 5 (1536-bit) 7 Group 7 (Elliptical curve field size is 163 bits.) crypto isakmp policy lifetime integer value ...
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