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Why is my MAC address different?
MAC addresses are usually assigned when the device is manufactured and, unlike IP addresses, they generally do not change when moving from one network to another. In other words, MAC addresses have historically been static and unique to each device.
How is the MAC address represented?
A MAC address consists of 48 bits, usually represented as a string of 12 hexadecimal digits (0 to 9, a to f, or A to F); these are often grouped into pairs separated by colons or dashes. For example, the MAC address 001B638445E6 may be given as 00:1b:63:84:45:e6 or as 00-1B-63-84-45-E6.
Which bit in the MAC address is referred as the U L bit?
Addresses that are only locally unique are called locally administered address (LAA) and are marked with U/L = 1. Bit 3–24 (manufacturer identification): Bits 3 to 24 encode an identifier (organizationally unique identifier, OUI), which is assigned exclusively to hardware manufacturers by IEEE.
Is a MAC address 32 bit?
The MAC address stands for Media Access Control Address. IP address stands for Internet Protocol Address. It consists of a 32-bit address. MAC address works at link layer of OSI model.
How do I find the lowest MAC address?
The simplest way to compare two MAC addresses is to just start comparing them value by value, from left to right. Find a point where they no longer match. The MAC address with a smaller value at that position will be the lower MAC address. 3 < 4, and therefore, the first MAC address is lower.
How are MAC addresses and IP addresses related?
MAC vs. IP Address Relationship. TCP/IP networks use both MAC addresses and IP addresses but for separate purposes. A MAC address remains fixed to the device’s hardware while the IP address for that same device can be changed depending on its TCP/IP network configuration.
Which is an example of a 48-bit MAC address?
For example, a 48-bit MAC address of 00:25:96:12:34:56 appears on an IPv6 network in either of these two forms: TCP/IP networks use both MAC addresses and IP addresses but for different purposes.
What does the rightmost digit of a MAC address mean?
The rightmost digits of a MAC address represent an identification number for the specific device (S). Among all devices manufactured with the same vendor prefix, each is given their own unique 24-bit number.
Why is the MAC address called a hexadecimal?
This is because the MAC address representation you see is called hexadecimal. You already may know about binary, a number system where we onl y use two symbols — 0, and 1. All of the numbers that can be represented in the “regular” way, i.e. using 10 symbols — 0, 1, 2, …, 8, 9 can be represented in binary as well.