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u IP Routing Protocol
ü Static Routing
ü RIPv1/v2
ü OSPFv2
ü BGP4
ü Policy-based Routing(PBR)
ü LPM Routing
u Multicast Routing Protocol
ü IGMP v1/v2/v3
ü IGMP Proxy
ü DVMRP
ü PIM-DM/SM/SSM
ü Any Cast RP
ü MSDP
ü Illegal Multicast Source Detect
IPv4 Layer 3 Functions
