(A) Any kind of Switching solution using VLAN, RSTP, MSTP, ERPS, Etherchannel etc. (B) Any kind of Routing solution with static routing, OSPF, IS-IS, BGP, MPLS etc. (C) Policy Implementation into Network (Bandwidth control Policy, CoPP, Access Control) (D) MPLS L3VPN Service (P2P, P2M, Full mesh, Hub and Spoke, Extranet) (E) MPLS L2VPN (Layer2 Transport Media to carry ATM, SDH, FR and Ethernet Service): VPWS, PWE3, L2VFI, Virtual Private LAN Service (VPLS)- LDP/ BGP Based, H-VPLS. (F) Firewall Solutions (Different type of NAT/PAT Implementation, IPSec VPN, SSL VPN, Network Zones, Web Filtering, Antivirus, AutoKey IKE, LSTP etc.) (G) Quality of Service (QoS) Implementation (H) AAA Server Configuration using TACACS: Server setup, device configuration, user group wise command authorization, user creation, command accounting, log, prohibit outside attack etc (I) Any kind of Layer-2/Layer-3 FTTH FTTB FTTC connectivity e.g. P2P, P2M, Triple Play Service (VoIP, Data/Internet & CATV)