[mrtg] mrtg and vlan measuring

[john]

Well, thereis a subnet that have 10 M/sec traffic in/out.

Vlan graphs says that only 12 Kb/sec travels through the gateway IP.

But I can see this traafic through the Gigabit interface (trunk)

I really cannot isolate this subnet traffic.


 
-----Original Message-----
From: dbrett at tcn.net [mailto:dbrett at tcn.net] 
Sent: Friday, February 02, 2007 4:01 AM
To: Mersberger, Robert
Cc: john; mrtg at lists.oetiker.ch
Subject: Re: [mrtg] mrtg and vlan measuring

Not easily, the mib information the switch sends out is only the traffic 
destined for the VLAN interface, not the traffic passing through the 
interface.  To collect the VLAN interface, one would have to add all the 
traffic for each interface on the vlan.

david

On Thu, 1 Feb 2007, Mersberger, Robert wrote:

>
> That is what mrtg is doing.  Each Vlan makes you your IP lan. But
> remember this in only the traffic that is seen on that vlan interface.
>
>
> -----Original Message-----
> From: mrtg-bounces at lists.oetiker.ch
> [mailto:mrtg-bounces at lists.oetiker.ch] On Behalf Of john
> Sent: Thursday, February 01, 2007 5:04 PM
> To: mrtg at lists.oetiker.ch
> Subject: [mrtg] mrtg and vlan measuring
>
>
>
> Hi all
>
> I ran mrtg config maker against a three-layer switch.
>
> Now there are some graphs about vlans (which owning lan gateway IPs)
>
> Is there any way to measure the real traffic of a IP Lan?
>
>
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