[afnog] L2 channel errors

[ibtisam jamal]

Thanks

On Sun, Nov 6, 2011 at 8:28 AM, Mark Tinka <mtinka at globaltransit.net> wrote:

> On Friday, November 04, 2011 04:27:32 PM ibtisam jamal
> wrote:
>
> > for this Ge PIC oversubscription 4:1 the utilization is
> > actualy around 920Mbps ,and i can see the RED drops
> > ,does this mean that the 1 Ge is actualy working at
> > around 800Mbps line rate ?
>
> You can't get 100% line rate on any port or line card, as
> Layer 1 framing and Layer 2 protocol overhead and the MTU
> you support on the port (and your overall network) will
> determine your effective throughput.
>
> Effective throughput will vary from between 85% - 99% of
> link capacity, depending on those attributes. However, don't
> expect it to ever be 100%.
>
> Mark.
>
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