[mrtg] Re: Lost history

[Alex van den Bogaerdt]

Michael A. Samuel wrote:

> My problem is this:
> 
> i have a cisco router with two ethernet interfaces,  and mrtg work very
> well.
> One day i change for my reasons one ip address of one interface.
> The interface is the same but the ip address no.
> How can i update the graphic without lost of history traffic?????
> Is it possible with MRTG????

In the documentation describing exactly your problem and how to avoid it. 

It is too late now, you'll now have to alter your config file so that
it points to the right place.  How to do so can also be found in the
documentation.  Be smart, use the interface target, not the ip one.

For a target of "Target[x.y]: p at q" you should not change "x.y" and
it will then use the same logfile.  You need to change "p" to point
to the new interface.  As said, change this into a target that uses
the interface name.

HTH
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