Local Area Networks & Hubs, Switches, Bridges. Prof. A. Sahoo KReSIT. Ethernet Frame, MAC address. IP IP Unicast address IP Broadcast address IP Multicast address 802.3/Ethernet address type MAC Unicast address MAC Broadcast address MAC Multicast Address.
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Prof. A. Sahoo
1. connect 2 existing LANs (CS, math)
-- different organizations want to be connected
2. LAN too big; need to split it, but stay connected
-- too many stations or traffic for one LAN
3. connect geographically separate LANs.
-- eg, 2 offices in different towns need connecting ( Remote Bridges, with PPP connection between bridges)
4. reduce collisions
-- help increase efficiency
--help restrict traffic to one LAN