It is desired that the applicant have a strong understanding of TCP/IP, switching technologies (Cisco Nexus (7k’s, 5k’s, 2k’s, 9k’s, Catalyst 4k’s, VLAN’s, STP, RSTP, VPC, VPC+, OTV, VXLAN, ), Routing technologies ( ASR, ISRG2, EIGRP, BGP, redistribution, summarization), IP (IPV4 & IPV6, NAT, ACL’s, DNS, DHCP), multicast protocols (PIM SM/DM/SSM,) QoS (AFx, EFx) Cisco IOS. It is desired that the applicant have a strong understanding of TCP/IP, switching technologies (Cisco Nexus (7k’s, 5k’s, 2k’s, 9k’s, Catalyst 4k’s, VLAN’s, STP, RSTP, VPC, VPC+, OTV, VXLAN, ), Routing technologies ( ASR, ISRG2, EIGRP, BGP, redistribution, summarization), IP (IPV4 & IPV6, NAT, ACL’s, DNS, DHCP), multicast protocols (PIM SM/DM/SSM,) QoS (AFx, EFx) Cisco IOS.