Cisco IPsec VPN

IPSec VPN Components Internet Key Exchange (IKE): IKE is a protocol defined by RFC 2408 that uses parts of several other protocols, such as Internet Security Association Key Management Protocol (ISAKMP), Oakley, and Secure Key Exchange Mechanism (SKEME), to dynamically create a shared security policy and authenticated keys for services that require keys, such as …

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Cisco Site-to-Site VPN Basics

When designing a Site to Site VPN solution, there are mainly three components to consider: Choosing VPN LAN Topology: the overall logical network architecture which depicts the way in which different sites are interconnected with each other. When choosing between different VPN LAN Topology, traffic pattern must be gathered and analyzed as well as connectivity …

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