![]() ![]() Subnet gives the ability to have the network ID of any length of our choosing. This enables network administrators to better utilize the available address and helps have more realistic host limits that is not restrained to A, B and C class limits.Ĭan be created using any of the IP classes A, B and C but these can have limitation due to the fixed network ID length such as 8, 16 and 24. These reserved addresses cannot be used for the hosts on each subnet the rest of the addresses in the subnet can be used. Their IP addresses range from 192 to 233 and their default subnet mask is 255.255. In addition, Class C IP addresses are normally assigned to a very small-sized network. In each subnet two addresses are reserved for the network address which ends in 0 and the broadcast address which ends in 1. Consequently, the default subnet mask for Class B is 255.255. Subnet masks are 32 bits in length the network bits are in all “1” s and the host bits are in “0” s. Subnetting is great to split up the network into more manageable sections or different departments. ![]() ![]() Subnet mask is used to determine how many bits will be used to represent the network address. 0.0.0 up to 126.0.0.0 Networks, therefore, the hosts portion can be identified or located at the rest of the 3 bytes. This Mask locates Classful A Networks starting from 1. Internet Protocol (IP) has two parts a network address and a host address. Class A Default Network Mask: 255.0.0.0 is known by its first byte ruling, which will be able to locate all the Networks that fall at the first byte. Subnetting is when the network is broken into different block sections using logical addresses to segregate each block. ![]()
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