Technical Exposer:Routing & Switching Exposer• Configuring and maintaining Advanced BGP based routing environment. Implementation and demonstration of different BGP enhancement like Route-Reflector, confederation, Dampening , AS-Path Filtering, Aggression, community, Bidirectional Forwarding Detection(BFD), etc• Knowledge of IPV6 and IPV6-IPV4 tunneling. • Configuring and maintaining IPSEC GRE tunnel (site-to-site). • Configuring and maintaining first hop redundancy protocols like HSRP, VRRP and GLBP. • Knowledge of Layer-2 Security like — port-security, VLAN-ACL, 802.1x authentication, DHCP spoofing, private vlan.• Knowledge of MLS, CEF. • Configuring Frame mode MPLS VPNCisco VOIP Exposer • Configuring 2811 router as CME to register cisco 7940, CIPC using SCCP. • Configuring voice interfaces like, FXO, FXS, E1 to connect PSTN or Analog extension. • Installation and configuration of Cisco Unified Communications Mana