Sure it is.
man nfdump:
Router IP
router ip <ipaddr>
Filter the flows according the IP address of the exporting
router.
Also, you can export to different ports and have multiple entries in nfsen
(each router exports to a different UDP port) and you won't need filtering
by router ip.
On Wed, Mar 7, 2012 at 1:20 PM, Tiago Flôres <[email protected]>wrote:
> I am not aware of this "router ip" syntax. This is very useful expr
> but it doesn't exist in the manuals?!?!
>
> Thanks all of you for the answers!
>
> Cheers
>
> Tiago
>
>
> 2012/3/7 Adrian Popa <[email protected]>:
> > Also, you can edit your filters to take into account the exporter router
> ip
> > and input/output interface indexes when you count traffic for a prefix.
> > Something like
> >
> > router ip ip_of_router1 and in if snmp_index_of_input_interface and src
> ip
> > 1.2.3.4 and dst net 5.6.7.0/24
> >
> >
> >
> > On Tue, Mar 6, 2012 at 7:23 PM, Tiago Flôres <[email protected]>
> > wrote:
> >>
> >> Dear colleagues
> >>
> >> I have eight routers exporting flow to one source (I am not sure if it
> >> is the best scenario) or should I have each router exporting flow to
> >> own source (router1 -> source1, router2 -> source2, ...). One of these
> >> routers is a mpls concentrator and the others seven are peers, like
> >> clients. The concentrator is where the servers are installed. The
> >> network traffic are mostly destinated to the main site (router1) which
> >> has 34Mbps mpls bandwidth.
> >>
> >> I am using DST NET and SRC NET to classify the traffic for down and
> >> upload directions. The thing is I've been getting discrepancies in
> >> traffic graphs. The main site where I've 34Mbps 'physically limited'
> >> is showing me up to 90 Mbps in nfsen graphs.
> >>
> >> Remembering that I have eight routers exporting to one source. In this
> >> among of flows I am trying to analyze and identify the traffic which
> >> goes to router1, but the traffic graphed is much more than the
> >> interface is able to support.
> >>
> >> The flows are from all interfaces of all routers? LAN and WAN?
> >>
> >> By default nfsen aggregates identical network traffic? Or could the
> >> flows are not been aggregated?
> >>
> >> I am guessing around .... the same traffic which ingress in router1
> >> WAN is arriving in router1 LAN interface, what about it?
> >>
> >> Thanks in advance for any explanations
> >>
> >>
> >> Hugs
> >>
> >> Tiago
> >>
> >>
> >>
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> >
>
>
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Virtualization & Cloud Management Using Capacity Planning
Cloud computing makes use of virtualization - but cloud computing
also focuses on allowing computing to be delivered as a service.
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