verification on bandwidth consumtion calculation

Answered Question
Nov 28th, 2007
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hello

i would like to know if these values (for frame header ) are correct while calculating a per voice bandwidth usage...


for the frame header :

14 bytes for Ethernet L2 headers, including 4 bytes of Frame Check Sequence (FCS) or Cyclic Redundancy Check (CRC) , 8 bytes of preambleand , 12 byte inter-frame gap.

(38bytes total ) .

for ethernet medium.

Correct Answer by vmoopeung about 9 years 6 months ago

18 bytes for Ethernet L2 headers, including 4 bytes of Frame Check Sequence (FCS) or Cyclic Redundancy Check (CRC).


http://www.cisco.com/en/US/tech/tk652/tk698/technologies_tech_note09186a0080094ae2.shtml


use bandwidth calculator.

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