Re: looking for a solution...

["Casey Boone" <ophidian@mychoice.net>]

i care about all traffic really, but i will be content with only traffic
entering the router from my equipment.  the other side of the router is
inconsequential to me really

Casey


>
>
> Do you care about all traffic going to/from the router?  Or do you only
> care about the traffic that is crossing to and from a specic link from
> the router (such as out towards the Internet?)
>
>
> -----Original Message-----
> From: Casey Boone [mailto:ophidian@mychoice.net]
> Sent: Wednesday, December 26, 2001 9:24 AM
> To: silug-discuss@silug.org
> Subject: Re: looking for a solution...
>
>
>
>
> > On Mon, 24 Dec 2001, David A. Glass wrote:
> >
> > > you could run an SMNP daemon on the server and use MRTG to grab the
> info
> from
> > > the ethernet card. you could also run MRTG on a switch off of the
> router
> or
> > > on the router itself.
> >
> > Yeah, but that doesn't get him the specific traffic info he needs,
> > that just gets him the total traffic.
> >
> > The only way to do this not on the router that I'm aware of is to
> > have your switch do port mirroring (of just the router or the entire
> > network) so that all traffic is mirrored on one port (typically a GigE
> > port is needed to handle it all), and have the machine on that port do
> all
> > the monitoring.  Look at www.inmon.com or www.q1labs.com for some
> > commercial vendors.
> >
> > One other potential way to do this would be some VLAN trick that
> > would redirect all traffic, but I don't know enough about VLANs to say
> for
> > sure.  Or maybe that's what port mirroring is, some VLAN function.
> >
> > Regarding the throttling, that would have to be supported by the
> > router.  One kludge would be to setup TCP congestion notifications
> that
> > are tied to a particular service, but that would cause the client
> machine
> > to throttle everything, not just the service that you were concerned
> with.
>
> thanx for the info and links guys
>
>
>
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