What are the ethernet frame fields, Computer Networking

Assignment Help:

Ethernet Frame Fields

  • Preamble - seven bytes of alternating 0s also 1s to notify receiver of incoming frame and to provide synchronization
  • SFD (Start frame delimiter) - one byte signalling the beginning of the frame
  • DA (Destination address) - six bytes containing the physical address of the next destination if packet must reach another LAN this field contains the physical address of the router upon reaching the target network field then contains the physical address of the destination device
  • SA (Source address) - six byte field containing physical address of last station to forward packet sending station or most recent router
  • Length or type - Two bytes indicating number of bytes in coming PDU if fixed length can indicate type
  • Data - 46 to 1500 bytes
  • CRC - CRC-32 error detection information

 

 


Related Discussions:- What are the ethernet frame fields

Post office protocols version - application layer, Post Office  Protocols ...

Post Office  Protocols Version In computing  the post office protocol  version 3 (POP3) is an  application layer internet standard  protocols  used by  local e mail  clients

Describe the datawarehouse and data mining, Question 1: ‘There is an ov...

Question 1: ‘There is an overwhelming imperative for organisations to analyse every bit of information they can extract from their huge data warehouses for competitive advant

Show the use of flow control, Q. Show the Use of flow control? Flow co...

Q. Show the Use of flow control? Flow control denotes to a set of procedures used to restrict the amount of data that the sender can send before waiting for Error Control

Spanning tree protocol - ccna, Perform Basic Switch Configurations Step...

Perform Basic Switch Configurations Step 1: Cable a network that is similar to the one in the topology diagram.  You can use any current switch in your lab as long as it has

Why is the authentication and key agreement of 3gpp weak, Question 1: a...

Question 1: a) How is the four-way exchange employed for mutual authentication in WPA/RSN? b) Elaborate on how inquiry attacks and traffic monitoring attacks can be u

Distributed shared memory systems, Distributed Shared Memory (DSM) systems ...

Distributed Shared Memory (DSM) systems copy a shared memory abstraction on loosely coupled architectures in order to allow shared memory programming despite missing hardware suppo

Define the terms unicasting and multiccasting, Define the terms Unicasting,...

Define the terms Unicasting, Multiccasting and Broadcasting? If the message is sent from a source to a one destination node, it is called Unicasting. If the message is sent

What is bandwidth, Question 1 What is bandwidth?                         >...

Question 1 What is bandwidth?                         >>What is the bandwidth of                            a) Telephone signal                            b) Commercial radio broa

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd