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Static routes, floating static, IP SLA tracking
OSPFv2 single area, DR/BDR, cost, neighbor states
Multi-area OSPF, ABR, summarization, stub areas
DHCP server/relay, static NAT, dynamic NAT, PAT
Standard/extended ACLs, VLAN ACLs, port security
IPv6 addressing, SLAAC, OSPFv3, dual-stack
HSRP, VRRP, NTP, DHCP snooping, IP SLA
LSA types, stub/NSSA, filtering, virtual links, BFD
Named mode, variance, stub, leak-maps, SHA auth
eBGP, iBGP, route reflectors, network command, filtering
Weight, local-pref, AS-path, MED, communities
Mutual redistribution, route-maps, tagging, loop prevention