In-depth understanding and Hands on experience with routing protocols such as: BGP, OSPF, ISIS etc. In-depth understanding and Hands on experience with MPLS, EVPN, RSVP-TE. Troubleshooting on complex MPBGP services. Good working knowledge of QOS/HQOS, HSRP / VRRP, VLAN's, Rapid Spanning Tree, Ether-Channel) VPN L2 & L3 solutions. Hands-on experience in troubleshooting on complex L3 VPN services, L2 VPLS domain. Expertise in QOS design and configuration is a plus. In depth understanding & knowledge of various switching protocols. eg. STP, PVSTP, MSTP, LLDP etc. Hands-on experience on handling tools like BMC Remedy, ECRM, Netcool, MRTG etc