Having 8 years of experience in Internet Service Providing Company with emphasis on day to day network operations and troubleshooting core network issues. Having experience in handling Cisco routers, Switches, Summit, Black diamond and Firewalls for managing overall network architecture. Qualified to design, install, and manage enterprise networks. Ø Routing Protocol : RIP, RIPV2, EIGRP, OSPF, MPLS, BGP, ACL, IPSEC, Ø Firewalls : Cisco ASA5500, Object-Group, Port based filtering, Route-leak between VRFs, ACL, Juniper SRX. Ø Load-Balancer : F5, Cisco UCS, VMware EXSi. Ø Switching Protocols : STP, RSTP, PVSTP, VTP, VLAN and ARP.ETHERCHANNEL. Ø HA Protocols : HSRP,VRRP and GLBP. Ø SDN and NFV : SD_WAN, WAN Overlay, Smart QoS, NFV, SDN WAN Controller. Ø SD-WAN : Software Defined WAN, IPsec, WAN overlay Protocols, HP VAN SDN Controller, Ø Datacenter Technology: Virtual Fabric Clusters, Virtual Port-Channel, Nexus, FCoE. Ø Configuration : Design and implementing LAN connectivity using Cisco router and Troubleshooting, Routing and Switching. Hands on Experience in configuring Cisco catalyst Switches (VLAN, VTP, Port Configuration) Ø Hardware : Extreme Switches (Black diamond 6808, Alpine 3804, Summit 48-Si) Cisco switches (2950, 2960, 3550, 3560, 3750) & D-link (DES 3250) Cisco Routers (CRS-1, GSR 12000, 7604, 7301, 7200, 3800, 1841) Console Switch (Raritan Dominion-SX 32) VoIP Routers (Cisco ASR1002, MGX8880, AS5400) VoIP devices (Audio codes MP 108 and Mediant 2000) Ø WAN Technologies : ISDN Leased Line, DS3 and STM Ø Datacenter Technology : Nexus 5K, 6K, Brocade VDX switches (Caster 6740,6740T, Mercury 8774-M) Ø LAN Topologies : Ethernet and Wi-Fi. Ø Cable technology : M-CMTS (CISCO) , DOCSIS (3.0) , CABLE MODEM , DEPI , DTI Server Ø M-CMTS : LC 3G60 , LC MC20x20 , LC MC5x20