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What is hiearchy of IP addresses?

IP addresses are hierarchical for delegation only. You can add bits to a delegated prefix, breaking it into smaller subnets which can then be used or re-delegated. You cannot use that information for ...
Zac67's user avatar
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The TTL and packet drop

When a router receives a packet with a TTL of 1, the router can still process and accept it if its destined for itself, correct? Yes. Because for example, eBGP messages use a TTL of 1 by default and ...
Zac67's user avatar
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1 vote

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 ...
Ron Maupin's user avatar
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