Chapter 14. Analyzing Existing Subnets
Often, a networking task begins with the discovery of the IP address and mask used by some host. Then, to understand how the internetwork routes packets to that host, you must find key pieces of information about the subnet, specifically:
Subnet ID
Subnet broadcast address
Subnet’s range of usable unicast IP addresses
This chapter discusses the concepts and math to take a known IP address and mask, and then ...
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