VPN

VPN

1. Is a private network that is created over a public network

   • Benefits
     • Security
     • Cost Savings
     • Compatibility
     • Scalability

2. Layer 3 VPN technology

   • GRE
     • point-to-point site connections
   • IPsec
     • Is a suite of protocols developed with the backing of the IETF to achieve secure services over IP packet-switched networks
   • Multiprotocol Label Switching (MPLS)
     • They can establish any-to-any connectivity to many sites

3. Types

   • remote-access
   • site-to-site

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