![]() ![]() ![]() ![]() The destination IP address is first resolved with a DNS request from source endpoint so that a destination IP address can be added to the destination field of IP header. They are all required to enable packet forwarding between endpoints on different subnets. Network connectivity tables are comprised of addresses and associated interfaces. All network connectivity is based on constantly updating ARP tables, MAC address tables, routing tables and DNS tables. There is a source endpoint and a destination endpoint with two separate unidirectional flows established. Any network connection is a logical connection between two endpoints. ![]()
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February 2023
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