• Install, configure, and operate simple routed LAN, routed WAN, Switched LAN networks. • Designing IP addressing scheme using subnet • Configuring Routers (IOS, IOS XE based), Switches, Static Routing & Dynamic Routing Protocols like RIP, EIGRP, OSPF, BDP, PBR in depth • HDLC, PPP • ACL, NAT, VPN IPSec Tunnel, GRE Tunnel, 802.1x, Port Security, • Upgrading Cisco Switches and Routers IOS (Catalyst 2960/ 3550 / 3750/ 4500 / 6500 series switches, 3845/ 3745/ 2821/2600 ) • Password recovery for Cisco Switches and Routers • Implementing Gateway Redundancy Protocols like HSRP/VRRP/GLBP • Implementing VTP & VLANS • Implementing Trunk using Dot1q and ISL • STP, RPVST+, • Additional STP features such as Root Guard, Loop Guard, BPDU Guard, Port-Fast, Backbone-Fast,Uplink-fast, BPDU Filter • Implementing UDLD • Implementing Port-channeling • Implementing Inter-Vlan-Routing • Implementation for network management • Documentation: Microsoft Visio • PRTG & MRTG Network Monitor enables us to monitor network computers and devices including routers, switches • TFTP Server, FTP Server • Implementation of Stacking Cisco Switches • Implementation of DHCP Snooping • Troubleshoot Campus Network • Cisco XE experience, knowledge and deep explanation Installed/configured/maintained Cisco CUCM 8.x , 9.x • Installed/configured/maintained routers/switches (WS-C4006-E, WS-C2960/3550/3560/3750) • Maintained router and switch configurations (EIGRP, OSPF, RIPv2, LACP, Rapid PVST+, ACLs, VTP) • Maintained network security (PIX Firewall/ASA) • Installed/configured/maintained Gateways • Installed/supported LAN/WAN/WLAN users • Analysed customer needs and their current network for CIPT/VOIP integration • Integrated analog/digital phone networks to VOIP (Siemens PBX HiPath and HiCom, VG224) network • Diagnosed and resolved layer 2/3 network issues • Documented the network for use by network and IT Helpdesk (1st/2nd Line) support stuff