1. Confusion regarding Port number

  2. How to find UDP ports

  3. Communication of two PC on Private IP over TCP IP

  4. ipv6 number of Host Address
  5. Should static IPs be set on the DNS/DHCP server, the host, or both?

  6. How common is it for mobile network operators to give the same IPv4 address to different 3G devices?

  7. Assigning IP addresses to FastEthernet
  8. How does address resolution work with multicast, specifically IPv6?

  9. Why are IPv6 addresses so long?

  10. IPv6 - RA prefixes and flags

  11. IPv4 vs IPv6 performance
  12. Understanding the difference between EUI-64 and IPv6

  13. Broadcasts in IPv6
  14. Checking split horizon status with IPv6
  15. Max hosts of subnet IPv6
  16. How can IPv6 host know default router's IPv6 address using RA?
  17. IPv6 addressing (slash notation)

  18. IPv6 and online privacy and security
  19. VRRP VRID configuration for IPv6

  20. IPSec in IPv4 and IPv6

  21. Finding Subnet Ranges of IPv6

  22. IS-IS IPv6 over IPv4

  23. Unsecured devices and IPv6
  24. IPv6 ULA vs Link-Local
  25. My first IPv6 ping fails
  26. Calculate networking bits for IPv6
  27. IPv6 Subnetting
  28. 6to4 - IPv6 tunnel address
  29. Translation from unique local to global unicast address

  30. How to create residential proxy service with static IPs and different subnet masks?
  31. Routing between network 1 and subnet of network 2 And their broadcast address
  32. Multiple ip address on a interface advertisement
  33. What happens when a subnet reaches capacity?

  34. Why are there 3 ranges of private IPv4 addresses?
  35. How does a DHCP server differentiate between 2 requesting devices?
  36. Understanding why some IPs don't have a mask address
  37. What is the difference between ff-ff-ff-ff-ff-ff (layer 2 broadcast) (layer 3 limited broadcast)?

  38. Why does OSPF use flooding instead of broadcasting?
  39. Why do I need to specify a subnet mask on interface?

  40. Port numbers and private IP addresses in Port Address Translation
  41. How come my gateway have different subnet ip
  42. L3 Etherchannel cost calculation

  43. Must the checksum field of the IPv4 header always be updated?

  44. Using addresses on transit links?

  45. IPv6 tunneling over IPv4

  46. Can two networks be part of the same third octet subnet?

  47. Reserved multicast addresses

  48. Subnet masks vs. IP address ranges

  49. CIDR notation and subnets
  50. Is there any difference between Limited Broadcasting and Directed Broadcasting when used in same network

  51. What happen underneath when I manually change my IP address?
  52. Are there public servers with a 192.168.X.X IP address?

  53. How to divide network into subnets?
  54. Can we use prefix address as the host address in ipv6?

  55. Calculating Fragmentation offset doubt
  56. What is the correct mask to use with

  57. Determining Host portion from a given ip address

  58. how are bridges handled in ARP?
  59. IPv4 Segment

  60. Auditing IPv4 Space
  61. IPv4 Addressing
  62. What reserved IP addresses exist on a local private network?
  63. Is it ok to leave the trailing 0's off in IPv4 CIDR notation?
  64. Are IP source and destination fields necessary on LAN?

  65. Broadcasting traffic by or by "subnet dot all ones"?
  66. Find MAC address of a remote computer using IP
  67. Why is space reserved for private ip addresses?
  68. Does IP provide QoS or not?
  69. Why is the protocol field part of an IP header?

  70. OSI layer : Ethernet and IP address

  71. Calculate subnet mask from IP Address
  72. Implementing a secondary IP address?

  73. IP address agreement

  74. Duplicate IP Address Prevention?

  75. IP address Question, IP given by ISP
  76. Assigning an IP address

  77. What is a valid public IP address?

  78. Why can I ping IP addresses from to

  79. What does mean?
  80. IPv6 Link-local addresses
  81. Some confusion in Classful Addressing
  82. Why do LANs use MAC addressing instead of IP addressing?

  83. Is there any way to check if an IP address is a real IP address or private IP address?
  84. Why do we need MAC Address if we can uniquely identify each machine with an IP Address
  85. VLANs and Subnets Smaller than /24?
  86. How does computer in IPv4 network communicate with computer in IPv6 network
  87. What does it mean if an Ethernet Card has two RJ45 ports?

  88. Configuring a switch to connect to public IP address to create a private network

  89. Can I always separate two IP addressess into two subnetworks?
  90. Setting up a seperate router to protect my primary network?

  91. IP Fragmentation
  92. What is the relationship between the IP address and MAC address?

  93. IP Address vs MAC Address, how does that really work together illustration
  94. Why are number of hosts on a subnet less than the number of combinations we can make with the bits remaining?
  95. ping server vs. connecting to server

  96. Private Public and Special IP addressing

  97. Inconsistent Address and mask

  98. getting resources from APNIC

  99. Go Back N protocol

  100. IPv4 to IPv6 one-to-one mapping for a whole Class A range