Tracking traffic usage at router or switch port?

Mark Tinka mark.tinka at
Wed Jun 1 18:18:03 UTC 2016

On 1/Jun/16 19:58, Jason Lee wrote:

> NANOG Community,
> Typically where would you expect a service provider to monitor bandwidth
> usage on your circuits? On the physical switch port interface or on the
> vlan interface at the router? In some of the field testing I've been doing
> there can be a difference in the bandwidth usage on the vlan interface at
> the router vs the physical switch port. Is there any particular reason for
> using one vs the other? Is there an industry best practice for this?

We track both.


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