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

What is manchester, Q. What is Manchester? - Utilizes an inversion at t...

Q. What is Manchester? - Utilizes an inversion at the middle of each bit interval for both synchronization and bit representation - Negative-to-positive represents binary 1

What are the benefits of wireless devices, What are the benefits of wireles...

What are the benefits of wireless devices One benefit is that if everyone uses standard, everyone can talk to anyone. Another benefit is that extensive use of any standard will

Working of TCP - buffers, Q. Working of  TCP - buffers? TCP - buffers ...

Q. Working of  TCP - buffers? TCP - buffers Sending & receiving buffers - Processes don't consume data at the same speed Sending site: - White section: unfilled

Explain the term - global corporate-wide network, Explain the term - global...

Explain the term - global corporate-wide network It would be highly interesting to note that more than 70 per cent of all security related problems start from within the organi

Which layer are called upper layer, Three layers are called upper layers ...

Three layers are called upper layers a) Application Layer - 7 b) Presentation Layer - 6 c) Session Layer - 5

Determine the maximum number of stations, (i)  Suppose N stations are conne...

(i)  Suppose N stations are connected to an extended Ethernet LAN, as shown below shown in Figure operating at the rate of 10 Mbps. Assume that the efficiency of each Ethernet is 8

What is network virtual terminal, What is NVT (Network Virtual Terminal) ...

What is NVT (Network Virtual Terminal) It is a set of rules explaining a very simple virtual terminal interaction. The NVT is used in the begin of a Telnet session.

Prototype Web Site for the Computer Superstores, Overview Create a proto...

Overview Create a prototype web site for the "Computer Superstores" company. Your site should use effective navigation features and demonstrate good structure for  accessibility

Root, Originally Linux/UNIX systems had one all-powerful user called root t...

Originally Linux/UNIX systems had one all-powerful user called root that managed systems. Discuss the risks of having a single root user and how more limited management abilities c

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