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3.0 VPN Technologies 20%

3.1 Tunneling

  • 3.1.a Implement and troubleshoot MPLS operations
    • 3.1.a [i] Label stack, LSR, LSP
    • 3.1.a [ii] LDP
    • 3.1.a [iii] MPLS ping, MPLS traceroute
  • 3.1.b Implement and troubleshoot basic MPLS L3VPN
    • 3.1.b [i] L3VPN, CE, PE, P
    • 3.1.b [ii] Extranet (route leaking)
  • 3.1.c Implement and troubleshoot encapsulation
    • 3.1.c [i] GRE
    • 3.1.c [ii] Dynamic GRE
  • 3.1.d Implement and troubleshoot DMVPN (single hub)
    • 3.1.d [i] NHRP
    • 3.1.d [ii] DMVPN with IPsec using preshared key
    • 3.1.d [iii] QoS profile
    • 3.1.d [iv] Preclassify

3.2 Encryption

  • 3.2.a Implement and troubleshoot IPsec with preshared key
    • 3.2.a [i] IPv4 site to IPv4 site
    • 3.2.a [ii] IPv6 in IPv4 tunnels
    • 3.2.a [iii] Virtual tunneling interface [VTI]

3.3 Troubleshooting VPN technologies

  • 3.3.a Use IOS troubleshooting tools
    • 3.3.a [i] debug, conditional debug
    • 3.3.a [ii] ping, traceroute with extended options
    • 3.3.a [iii] Embedded packet capture
  • 3.3.b Apply troubleshooting methodologies
    • 3.3.b [i] Diagnose the root cause of networking issue (analyze symptoms, identify and describe root cause)
    • 3.3.b [ii] Design and implement valid solutions according to constraints
    • 3.3.b [iii] Verify and monitor resolution
  • 3.3.c Interpret packet capture
    • 3.3.c [i] Using wireshark trace analyzer
    • 3.3.c [ii] Using IOS embedded packet capture
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