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

Command that forces the router to load into ROM, Determine the command that...

Determine the command that forces the router to load into ROM mode upon a reload?  Ans) boot system rom ia the command that forces the router to load into ROM mode upon a reload

Explain repeaters, Repeaters - Operate only in physical layer - Conn...

Repeaters - Operate only in physical layer - Connects two segments of the same LAN - Both segments must be of the same protocol - Only forwards frames; does not filter

Different types of subnet classfull networks are present, How many dissimil...

How many dissimilar types of subnet classful networks are present?

Bens network, Bens Network  Ben's network is a non-blocking network. ...

Bens Network  Ben's network is a non-blocking network.  It is a different  type of Clos network where initial and final stage consists of  2×2 switches (for n input  and m ou

Ip, what is dce

what is dce

Default cdp broadcast update rate for cisco routers, What is the default CD...

What is the default CDP broadcast update rate for Cisco routers? Ans) Cisco Discovery Protocol is a proprietary protocol to permit you to access configuration information on oth

What is the difference among tftp and ftp application, What is the differen...

What is the difference among TFTP and FTP application layer protocols? The Trivial File Transfer Protocol (TFTP) permits a local host to get files from a remote host but does n

Illustrate 802.11b HR DSSS, 802.11b HR DSSS a) High-rate DSSS using a ...

802.11b HR DSSS a) High-rate DSSS using a 2.4 GHz band b) Similar to DSSS excluding for encoding method c) Uses complementary code keying (CCK), encoding 4 or 8 bits to

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