[mrtg] Re: smtp & pop traffic

Asif Saeed asaeed at cyber.net.pk
Wed Sep 22 16:43:53 MEST 1999

ok Thanks a lot ,i understood what u said now tell me Is this posible to
minitor traffic of fast ethernet attached to our mail server specifically with
port 25 & 110 .i-e
# ./cfgmaker public at my-mail server ip (can i some how specify port here).

Alex van den Bogaerdt wrote:

> >
> > Hello,
> > Can any body tell me how to monitor SMTP & POP traffic of our mail
> > server with the help of mrtg.
> >
> 1) Find out what it is what you want to monitor. SMTP traffic is not
>    good enough, you will have to find a way to get numbers.
>    Do you mean mails per second, bytes per second on port 25, etc.
> 2) When you know how to get those numbers, make sure to understand
>    what they represent. If they are number of xxx since restart, it is
>    a counter value, if they are not related to time (perhaps you can
>    ask for the current rate) it is a gauge. Also understand that messages
>    per second is probably not good unless you are a big company or an ISP.
>    If not, use the perminute or perhour options.
> 3) When you know above mentioned stuff you can think about MRTG and it is
>    rather simple to implement it. Repeat: when you know above stuff.
> How to collect:
> There are scripts available for some platforms.
> There may be SNMP OIDs available to use.
> Things are different on the different OSes so don't expect a ready answer.
> NOTE: step 1 is *not* MRTG related however there may be people on the list
> willing to help out, provided you tell what OS, what mail program etc.
> Regards,
> Alex

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