[mrtg] Re: Monitoring VLANs on CISCO

[David Roze]

I mean I can see the incoming and outgoing traffic on the ethernet interface.
Now, I'd like to be able to monitor on the same way the traffic for each 
Vlan, or even better each port.
Each port is connected to a different subnetwork, so I could monitor all of 
them.
Thanks for your help

David


At 11:40 AM 3/14/2003 -0500, Lindahl, Carl wrote:
>What exactly do you mean by monitor traffic on VLANs on a switch? Are you
>talking about how much traffic is being passed from one point on a switch to
>another and just happens to be on a perticular vlan, or are you talking
>about how much traffic is hitting the management interface of the switch?
>
>You say that you have managed to do it for the whole interface, i.e.
>interface VLAN1? You can put your management interface on any VLAN you want
>with the current versions of Cisco code (older versions didn't always
>support this) and see how much traffic the management interface is getting
>to it. You can't really monitor traffic on a VLAN level with a 2950. You
>would need an intelligent RMON Probe on a trunk going to that switch, or
>monitor a RSM/MSFC interface like Will Saxon said in his message.
>
>The 2950 series switch is really an access layer switch, and does not have
>nearly the features of the 6500s w/ a MSFC to monitor traffic patters and
>flows.
>
>
>Carl

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