IP Subnetting from CIDR Notations
Joshua Butcher・2 minutes read
Joshua Butcher delves into subnetting from a cellular notation viewpoint, emphasizing the significance of understanding slash notation to determine network and broadcast IDs. Visualizing binary conversions through a chart aids in simplifying the process, with a focus on specific octets to calculate network and broadcast IDs, using the magic number to identify usable IP addresses within the range.
Insights
- Understanding subnetting involves grasping the slash notation, where the number after the slash indicates the number of bits turned on in the subnet mask, crucial for determining network and broadcast IDs.
- Focusing on specific octets simplifies binary conversions, aided by the magic number concept, crucial for calculating network and broadcast IDs, enabling the identification of usable IP addresses within a given range.
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Recent questions
What is subnetting from a cellular notation perspective?
Subnetting from a cellular notation perspective involves understanding IP addresses, network IDs, and broadcast IDs.
How do you determine network ID and broadcast ID with slash notation?
To determine network ID and broadcast ID with slash notation, grasp the concept of slash notation and create a binary conversion chart.
What does slash 20 notation imply for subnet mask?
Slash 20 notation implies 16 bits turned on, resulting in a subnet mask of 255.255.240.0 for the given IP address.
How does focusing on specific octets simplify binary conversion?
Focusing on specific octets simplifies binary conversion, aiding in identifying network ID and broadcast ID for an IP address.
What is the magic number's role in calculating network ID?
The magic number, determined by the last bit turned on, helps calculate the next network ID and broadcast ID in the range of usable IP addresses.
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