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

Illustrate the advantages of VLANs, Q. Illustrate the Advantages of VLANs? ...

Q. Illustrate the Advantages of VLANs? - Cost and time reduction in moving stations from one group to another - Creation of virtual workgroups - Security Position of

State token bus frame format, Token Bus Frame Format No length fiel...

Token Bus Frame Format No length field Data is able to be much larger (timers prevent hogs) Frame control Ack required? Data vs Control frame and how is

What do you mean by substitutional ciphers, Q. What do you mean by Substitu...

Q. What do you mean by Substitutional Ciphers? Substitutional Ciphers Monoalphabetic Substitution Polyalphabetic Substitution - Transpositional - character

Describe the following topics, Describe the following topics A . LAN B . M...

Describe the following topics A . LAN B . MAN C . WAN D . ARPANET

Quality of service - multiplicative decrease, Q. Quality of Service - multi...

Q. Quality of Service - multiplicative decrease? Quality of Service The collective consequence of service performance which determines the degree of satisfaction of a

System analysis, explain the appropriateness of economic and behavioral fea...

explain the appropriateness of economic and behavioral feasibility

Physical interfaces that ppp can be configured , Name the physical interfac...

Name the physical interfaces that PPP can be configured on a Cisco router:  Ans) A. Asynchronous serial  B. HSSI  C. ISDN  D. Synchronous serial  These four of th

When a switch is said to be congested, When a switch is said to be congeste...

When a switch is said to be congested? It is possible that a switch receives packets faster than the shared link can accommodate and keeps in its memory, for an extended period

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