> On Thu, 23 Sep 1999, Geof Goodrum wrote:
> > If you run something like MRTG to monitor multiple leased lines with ppp
> > connections, you would want to keep the devices assigned to specific lines
> > constant. Dynamically reassigning them on reconnects would mess up your
> > stats.
>
> The answer would be to fix the monitoring software. I contend that it's the
> IP address you are interested in, not the ppp interface.
Sorry, but it's not the monitoring software's problem. I've never seen a
network monitor that determines which interface it should collect data from
based on an IP address - they just don't work that way. Network monitors
work on a connection or interface. If you want to figure out which interface
a certain IP address is, that's up to you. Then feed that interface info to
the network monitor as a parameter.
Maybe someone could write a program that would take an IP address and
determine which interface it's on? I'm sure it can't be that hard.
Something like:
ip2interface 192.68.0.1
which returns something like 'ppp3'. This could then be piped into
whatever needs the interface name:
tcpdump -i `ip2interface 192.68.0.1`
Just a thought...
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Patrick Klos Email: [EMAIL PROTECTED]
Klos Technologies, Inc. Web: http://www.klos.com/
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