Static Virtual Tunnel Interface (S-VTI) ImplementationIntroductionStatic VTIConfigurationIntroductionAs we know the original implementation of IPsec VPNs used on Cisco IOS was known as cryptomaps. The concept of configuring a crypto map was closely a...

                                                                               IPsec VPN’sIntroductionIPsec ProtocolsIPsec ModesInternet Key Exchange (IKE) protocolIKE Phases: Phase-1 and Phase-2IPsec VPN ConfiguratonConclusionIntroduction:The “IPSec...

                                                                               Cryptographic SystemsIntroductionCryptographic HashesHMAC/KHMACSymmetric EncrypitionAsymmetric EncryptionDigital SignaturesPublic Key Infrastructure (PKI) IntroductionNetw...

                                                                                    Zone-Based FireWall (ZBFW)IntroductionRules for applying ZBFWZBFW TerminologyZBFW ActionsZBFW ConfigurationIntroduction:The Cisco IOS Zone-Based Firewall is a statefu...

                                                                                            MPLS LAYER-3 VPN IntroductionVirtual Routing and Forwarding (VRF)MP-BGP (Multi-protocol BGP)RD (Route Distinguisher)RT (Route Target)Transport and VPN LabelMP...