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ROUTER - Coggle Diagram
ROUTER
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WHAT IS ROUTERS
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When a data packet comes in on one of the lines, the router reads the network address information in the packet header to determine the ultimate destination
using information in its routing table or routing policy, it directs the packet to the next network on its journey.
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ROUTING TABLE
Router searches its routing table for a network address that matches the destination IP address of a packet
Uses the gateway of last resort if learned or configured; otherwise, the packet is discarded.
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Devices have Layer 3 IPv4 addresses, while Ethernet interfaces have Layer 2 data link addresses. The MAC addresses are shortened to simplify the illustration.
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