CCNA 3 - Capitulo 8.3

CCNA 3 - Capitulo 8.3

1. VPN - VIRTUAL PRIVATE NETWORK

   • VPNs CAN BE MANAGED AND DEPLOYED AS
     • SERVICE PROVIDER MANAGED VPNs
       • MULTIPROTOCOL LABEL SWITCHING (MPLS)
         • LAYER 3 VPN MPLS
           • SERVICE PROVIDER PARTICIPATES IN CUSTOMER ROUTING
             • 1. ESTABLISHING A PEERING THE CUSTOMER ROUTER AND ISP ROUTERS
             • 2. AFTER CUSTOMER ROUTERS THAT RECEIVED PROVIDER ROUTERS AND REDISTRIBUTED THROUGH MPLS NETWORK TO THE CUSTOMERS REMOTE LOCATIONS
             • TRAFFIC IS SECURE BECAUSE ISP CUSTOMERS CANNOT SEE EACH OTHERs TRAFFIC (VRF)
         • LAYER 2 VPN MPLS
           • 1. ISP DEPLOYS VIRTUAL PRIVATE LAN SERVICE (VPLS) TO EMULATE AN ETHERNET MULACCESS LAN SEGMENT OVER MPLS NETWORK
           • SERVICE PROVIDER IS NOT INVOLVED IN THE CUSTOMER ROUTING
         • CREATE A SECURE CHANNELS BETWEEN AN ENTERPRISE's SITES
         • IS A ROUTING TECHNOLOGY , PROVIDE TUNEL PATHS BETWEEN SITES
           • THIS SEGREGATES THE TRAFFIC FROM OTHER CUSTOMER TRAFFIC
             • VIRTUAL ROUTING AND FORWARDING (VRF)
         • MORDEN SOLUTION
         • TRAFFIC IS FORWARDED THROUGH THE MPLS BACKBONE USING LABELS
         • SECURING TRAFFIC BETWEEN CLIENT IS RESPONSABILITY OF ISP
       • FRAME RELAY AND ATM VPNs
         • LEGACY SOLUTION