New answers tagged arp
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How does a router know the destination mac?
Sender doesnt know MAC address of the destination and it doesnt need to.
It only needs to know MAC address of the router which will route packet to the next subnet.
So packet hops from router to ...
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ISP ARP tables and routing
ARP is used to resolve a MAC address from an IPv4 address for network that use MAC addressing, and it is local to that network. MAC addresses are only seen or relevant on the specific network they are ...
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