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Network Switching OVerview (The Switch (Forward or drop frames (based on…
Network Switching OVerview
The Switch
Forward or drop frames
based on destination mac address
gather a constantly updating list of mac addresses
build the list based on the source mac address of incoming traffic
maintain a loop free environment
using spanning tree protocol (STP)
Learnign the MACs
Switches examine incoming traffic
makes a note of the source mac address
adds unknown mac addresses to the mac address table
sets the output interface to the received interface
Flooding for unknown macs
the switch doesnt always have a mac address in the table
when in doubt, send the frame to everyone
address resolution protocol
determine a mac address based on IP address
you need the hardware address to communicate
arp -a
view local arp table