[cisco-bba] RE: [c-nsp] MRTG a L2TP VPDN Looback Interface
Tassos Chatzithomaoglou
achatz at forthnet.gr
Wed Dec 21 10:37:29 EST 2005
Mark Tohill wrote on 21/12/2005 17:28:
> Bart Jan,
>
> Netflow would probably do what we need. The only drawback is majority of
> Netflow Collection/Analysis software out there is either at a cost or
> runs on Unix.
>
> Correct me if I'm wrong.
>
You could try ntop.
http://www.ntop.org/ntop.html
> I was hoping that we could have done this with our current setup i.e
> MRTG or RRD, if necessary.
>
> Thanks,
> Mark.
>
> -----Original Message-----
> From: BartJan Menkveld [mailto:bartjan at routit.nl]
> Sent: 21 December 2005 13:49
> To: Mark Tohill
> Subject: RE: [c-nsp] MRTG a L2TP VPDN Looback Interface
>
> Hello Mark,
>
> I suggest using netflow accounting on a per protocol basis to determine
> the amount of l2tp traffic.
>
> With kind regards,
>
> Bart Jan Menkveld
>
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Mark Tohill
> Sent: woensdag 21 december 2005 14:30
> To: cisco-bba at puck.nether.net
> Cc: cisco-nsp at puck.nether.net
> Subject: [c-nsp] MRTG a L2TP VPDN Looback Interface
>
> Hi,
>
>
>
> We have 7204VXR's with L2TP VPDN traffic servicing DSL users from telco
> coming in on a GigEthernet port.
>
> The same port also ships out internet-bound traffic for same users.
>
>
>
> Has anyone thoughts on how to determine/poll the VPDN traffic from telco
> separately from raw outbound IP traffic?
>
> VPDN tunnels terminate on loopbacks which we have tried to monitor, with
> no success. We hoped to subtract this from total in/out traffic on gigE
> port and graph results to new chart.
>
>
>
> Has anyone a means of getting around this?
>
>
>
> Thanks.
>
> Mark.
>
>
>
>
>
>
>
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