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

Stop service advertisements from flooding a network, To stop Service Adver...

To stop Service Advertisements (SAPs) from flooding a network, Cisco routers do not forward them. How are services advertised to other networks? Ans) Every router builds its own

Point-to-point message passing, In point-to-point message passing, single p...

In point-to-point message passing, single process sends/receives message to/from another process. There are four communication modes for sending a message: i)    Buffered mode

osi layer performs code conversion, Name the OSI layer which performs code...

Name the OSI layer which performs code conversion, code formatting and encryption Ans) Presentation layer performs code conversion, code formatting and encryption

On which languages intranet works, On which languages Intranet works ...

On which languages Intranet works Language Support The Intranet works on the basis of scripts written in any of the following languages, viz., SGML, HTML, DHTML, XML, AS

What is two types of errors, Q. What is Two Types of Errors? Single-Bi...

Q. What is Two Types of Errors? Single-Bit Errors: Merely one bit in the data unit has changed Burst Errors of length 'n': 2 or more bits in the data unit have changed (

Ku-band earth station, Ku-BAND EARTH STATION This is most recent on-goi...

Ku-BAND EARTH STATION This is most recent on-going project under which 40 remote sites will be installed for CDMA back haul and 60 sites will be installed for GSM back haul. 4

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

Why we use filter option, When we specifically block, single router update ...

When we specifically block, single router update for other routers

What is protocol data unit, What is Protocol Data Unit? The data unit i...

What is Protocol Data Unit? The data unit in the LLC level is known as the protocol data unit (PDU). The PDU having of four fields a destination service access point (DSAP), a

Power supply system in satellite system, POWER SUPPLY SYSTEM IN  SATELLITE...

POWER SUPPLY SYSTEM IN  SATELLITE SYSTEM Satellite Earth Station relies on the public power supply system. Two generators (1+1) of 250 KVA each in parallel connection having fa

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