This chapter covers the following subjects:
• Choose an appropriate VPN LAN topology: Covers the four main LAN topologies that are appropriate for VPNs to help you choose the correct one for your environment.
• Choose an appropriate VPN WAN technology: Covers the main WAN technologies that are used in site-to-site VPNs.
• Evaluate core features of IPsec VPN technology: Covers the core features of IPsec VPN technologies.
• Choose appropriate VPN cryptographic controls: Covers the various cryptographic controls for VPNs along with criteria for choosing appropriate controls for your needs.
This chapter introduces site-to-site VPN technologies offered by Cisco IOS Software. An ...