[mrtg] Re: How much bandwith mrtg takes? Heavy trafic :-)

[PAUL WILLIAMSON]

Nice work.  Although I don't think it adds up.  I've 
got links that do far less than 425 bytes/s, so while 
mathematically this makes sense, the real world 
doesn't support the data derived.

Paul

>>> <zorrosky at supereva.it> 03/18/02 05:13 AM >>>

This message is for all people that need precise results about bandwidth usage of mrtg queries.
Everybody know ( may know after reading manuals and much of contributor's papers ) that a standard mrtg query is made by 4 snmpget:
sysName,sysUptime,ifInOctetcs,ifOutOctets.
So the mrtg server sends a 128 Byte frame to the destination. It answers with a 155 Byte frame.One mrtg standard every five minutes takes:

(128*8)/300 = 3,413 bit/sec for requests
(155*8)/300 = 4,133 bit/sec for answers

Cheers


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