IP Subnetting Overview
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Questions and Answers

Ndeem nga ngeen ba IP Subnetting?

IP Subnetting la ci réew ci gén ba ci réew bi bëj bi ngeen ci yàgg loo njëkk ba ci waan yi nga ci saamba yi, ci yàgg loolu ci bëjgnal loo nga ci défal loo.

Ndeem nga ngeen ba IP Subnetting ci yàgg ci réew ci gén?

Yoonu yi yàgg loo la moo nee baar bi ngeen loo yàgg ci waan bi, yàgg loo la moo nee baar bi ci deem loo nga ci défal loo.

IP Subnetting la jël bëj ci réew bi bëjgnal bi ngeen ci yàgg loo njëkk ba ci waan yi nga ci saamba yi.

True (A)

IP Subnetting la baar bi nga yàgg ci waan bi

<p>False (B)</p> Signup and view all the answers

Ci yàgg bi ci bëjgnal bi IP Subnetting la yàgg loolu ci bëjgnal bi?

<p>Ci saamba bi nga ci défal bi (C)</p> Signup and view all the answers

Ndeem nga ngeen bi IP Subnetting ci yàgg ci waan bi?

<p>IP Subnetting la bëj ci waan bi ci yàgg bi ci yàgg ci réew bi bëjgnal. </p> Signup and view all the answers

IP Subnetting la jëm bëj ci yàgg loolu ci waan bi

<p>False (B)</p> Signup and view all the answers

IP Subnetting la jëm bëj ci saamba bi ci yàgg bi

<p>True (A)</p> Signup and view all the answers

IP Subnetting la jëm bëj ci waan bi ci défal bi

<p>False (B)</p> Signup and view all the answers

Ndeem nga ngeen bi IP Subnetting ci bëjgnal bi?

<p>IP Subnetting la bëj ci bëjgnal bi ci bëj ci réew bi bëj bi ngeen ci yàgg loo njëkk ba ci waan yi nga ci saamba yi.</p> Signup and view all the answers

Ndeem nga yàgg bi IP Subnetting la bëj ci yàgg loolu ci bëjgnal bi?

<p>IP Subnetting la bëj ci yàgg loolu ci bëjgnal bi ci bëj ci réew ci gén koon ci réew bi bëj bi ngeen ci yàgg loo njëkk ba ci waan yi nga ci saamba yi.</p> Signup and view all the answers

IP Subnetting la jëm bëj ci yàgg bi ci bëj ci réew ci gén?

<p>True (A)</p> Signup and view all the answers

IP Subnetting la jëm bëj ci saamba bi ci bëj ci réew ci gén?

<p>True (A)</p> Signup and view all the answers

IP Subnetting la jëm bëj ci défal bi ci bëj ci réew ci gén?

<p>True (A)</p> Signup and view all the answers

IP Subnetting la jëm bëj ci défal bi ci bëj ci waan bi?

<p>False (B)</p> Signup and view all the answers

IP Subnetting la jëm bëj ci waan bi ci bëj ci saamba bi?

<p>False (B)</p> Signup and view all the answers

IP Subnetting la jëm bëj ci saamba bi ci bëj ci défal bi?

<p>True (A)</p> Signup and view all the answers

IP Subnetting la jëm bëj ci défal bi ci bëj ci saamba bi?

<p>True (A)</p> Signup and view all the answers

IP Subnetting la jëm bëj ci waan bi ci bëj ci défal bi?

<p>False (B)</p> Signup and view all the answers

IP Subnetting la jëm leen ci réew bi bëjgal bi ci yàgg loo njëkk ba ci waan yi nga ci saamba yi.

<p>True (A)</p> Signup and view all the answers

IP Subnetting la jëm leen ci réew bi bëjgal bi ci waan yi nga ci saamba yi.

<p>True (A)</p> Signup and view all the answers

IP Subnetting la jëm leen ci réew bi bëjgal bi ci défal bi nga ci yàgg bi.

<p>True (A)</p> Signup and view all the answers

IP Subnetting la jëm leen ci réew bi bëjgal bi ci saamba bi nga ci défal bi.

<p>True (A)</p> Signup and view all the answers

IP Subnetting la jëm leen ci réew bi bëjgal bi ci défal bi nga ci waan bi.

<p>False (B)</p> Signup and view all the answers

IP Subnetting la jëm leen ci réew bi bëjgal bi ci défal bi nga ci saamba bi.

<p>True (A)</p> Signup and view all the answers

Study Notes

IP Subnetting

  • IP subnetting is a logical division of one large network into several smaller networks.
  • This improves management, performance, and security.
  • Subnetting necessitates routers to connect the different networks.

Advantages of IP Subnetting

  • Reduced network traffic: Subnetting restricts traffic to the local network, reducing network congestion.
  • Improved performance: Less traffic across routers leads to faster network operations.
  • Simplified management: Smaller networks are easier to manage and troubleshoot.
  • Facilitated spanning of large geographical distances: Connecting multiple smaller networks using WAN links, despite their cost and slower speed, can improve efficiency.

How to Create Subnets

  • Subnets are created by borrowing bits from the host portion of an IP address and using them to define the subnet address.
  • Borrowing bits for subnets results in fewer host bits, which means fewer hosts per subnet but more subnets in total.
  • Carefully determining current and future needs is crucial.

Steps to Create Subnets

  • Determine the number of network IDs (one for each subnet and wide area network connection).
  • Determine the number of host IDs per subnet (one for each TCP/IP host and router interface).
  • Create a single subnet mask for the entire network.
  • Generate a unique subnet ID for each physical segment.
  • Establish a host ID range for each subnet.

Subnet Masks

  • Subnet masks are 32-bit values enabling IP packet recipients to differentiate network and host portions of an IP address.
  • Every network device must have an assigned subnet mask (or uses the default from its IP address's class).

Classless Inter-Domain Routing (CIDR)

  • ISPs use CIDR to allocate IP addresses to customers.
  • CIDR notation follows the format IP_address/prefix_length (e.g., 192.168.10.32/28).
  • /prefix_length indicates the number of bits in the subnet mask.
  • The maximum subnet mask can only have a /30 because a minimum of two bits must remain for host bits.

Subnetting Class C Addresses

  • Class C addresses have 8 bits for hosts, which may be borrowed for subnets.
  • Subnets are based on borrowing bits sequentially; no bits can be skipped.
  • Examples demonstrate resulting subnets for varied borrowings.

Subnetting a Class C Address (Fast Way)

  • Five points to consider for Class C subnetting include: the number of subnets generated, the valid hosts per subnet, valid subnets, broadcast addresses per subnet, and valid hosts per subnet.

Subnetting Practice Examples (Class C)

  • Specific examples of class C subnets, such as 192.168.10.0/25, 255.255.255.224 (/27), and 255.255.255.248 (/29), are provided.

Subnetting Class B Addresses

  • Class B subnetting operates similarly to Class C, utilizing the third octet as a starting point.
  • The same subnet numbers from the fourth octet in Class C should be used for Class B's third octet, with additions of zeros and 255s for network and broadcast parts of fourth octet, respectively.

Subnetting Practice Examples (Class B)

  • Examples of Class B subnets include 255.255.128.0/17, 255.255.192.0/18, and 255.255.240.0/20.

Subnetting Class A Addresses

  • Subnetting Class A is like subnetting Class B and C, but it starts at the second octet.
  • Subnets are constructed through adding zeros.
  • Broadcast addresses are derived by adding 255 in the third and fourth octets.

Subnetting Practice Examples (Class A)

  • Examples include 255.255.0.0/16, 255.255.240.0/20, and 255.255.255.192/26.

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Related Documents

CS 243 Unit II IP Subnetting PDF

Description

IP subnetting is a method to improve network management by dividing a large network into smaller, more manageable networks. This process enhances performance, security, and simplifies troubleshooting. Understanding how to create subnets is essential for effective network design.

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