I have more than 6+ years of working in Service provider network I worked with following devices: Experienced in configuring and troubleshooting - Routing: IGP (EIGRP, RIP,ISIS, OSPF), BGP, MPLS (L3VPN, EoMPLS, VPLS, NNI, CSC) - Switching: VLANs, VTP, dot1q, q-in-q, Rapid PVST+, MSTP. - High Availability: HSRP, VRRP, GLBP, Etherchannel.