COMPUTER NETWORKING

NETWORK LAYER

NEXT GENERATION IP

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
You have a device with a MAC address of 32-89-87-03-a4-13. What will be the automatically generated link-local address?
A
fe80::3089:87ff:fe03:a413
B
ff02::3089:87ff:fe03:a413
C
2003::3289:8703:a413
D
fe80::3289:87ff:fe03:a413
Explanation: 

Detailed explanation-1: -The prefix FE80::/10 is reserved for link-local IPv6 addressing. But a lot of people overlook the fact that the 10-bit prefix only covers two of the four bits represented by the third character in the address. The ‘F’ and the ‘E’ are always going to be those values but the ‘8’ and the ‘0’ can change.

Detailed explanation-2: -A 64-bit interface ID is created by inserting the hex value of FFFE in the middle of the MAC address of the network card. Also, the 7th Bit in the first byte is flipped to a binary 1 (if the 7th bit is set to 0 it means that the MAC address is a burned-in MAC address).

Detailed explanation-3: -An EUI-64 IPv6 address is generated based on the specified prefix and the automatically generated interface identifier and is displayed by using the display ipv6 interface command.

There is 1 question to complete.