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An IPV4 packet has arrived with first 8 bits as shown : 0100 0010.The reciever discards.Why?
1 Answer
written 2.6 years ago by |
There is an error in this packet.
The 4 left-most bits (0100) show the version, which is correct.
The next 4 bits (0010) show the header length, which means (2 × 4 = 8), which is wrong.
The minimum the number of bytes in the header must be 20. The packet has been corrupted in transmission.