[mrtg] Re: Max Speed question

David Sawyer david.sawyer at uk.mckhboc.com
Wed Aug 15 18:22:51 MEST 2001

> I am new to MRTG
Welcome to the community
> and have begun using v2.9.17 on an NT machine
Ah, a Windows user, this is where I plug 'Mr Daemon'  :-)

> to monitor 
> traffic levels on various switch ports and VLAN interfaces on our Cisco 
> Catalyst 6509.
> In looking at the web pages generated by my two cfg files (one for the 
> switch and one for the MSFC2), I notice the "Max Speed:" vlaue at the top
> of 
> each web page. I have a few questions about this value.
> 1) How is the value obtained?
You used  cfgmaker yes?
cfgmaker asks the device (well, kinda).

> 2) Why do all the values appear to be based on the number 125?  That is, 
> where I'd expect to see 100 MBytes/s i would see 125 MBytes/s instead.
Divide 100,000,000(value in bits) by 8 (to get Bytes)
Answer = 12,500,000 or 12.5MB

Divide 10,000,000(value in bits) by 8 (to get Bytes)
Answer = 1,250,000 or 1.25MB

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