How to verify speed of a 1Gb/s network?

[Kam Leo]

On 4/27/06, Joel Jaeggli <joelja at darkwing.uoregon.edu> wrote:
> On Fri, 28 Apr 2006, Mike McCarty wrote:
>
> > Joel Jaeggli wrote:
> >> On Fri, 28 Apr 2006, Tim wrote:
> >>
> >>> On Wed, 2006-04-26 at 19:32 -0700, Rob wrote:
> >>>
> >>>> Am I right, that the throughput here is 1 Giga BYTES,
> >>>> which is 8 Giga bits?
> >>>
> >>>
> >>> Network card speeds are listed in bits per second.  These are the three
> >>> most common speeds:
> >>>
> >>> 10 mega bits per second
> >>> 100 mega bits per second
> >>> 1 giga bits per second
> >>>
> >>> Don't ask me whether they're playing the SI or bullshit game regarding
> >>> mega and giga equalling millions and billions, or using 1024
> >>> multipliers.
> >>
> >>
> >> Bits are in fact bits in this case. When you talk about packets or frames
> >> you tend to use bytes or octets (same thing) but line rate is bits per
> >> second.
> >
> > I think the issue raised was whether 1 Gbps is 1024*1024*1024 bps or
> > 1000*1000*1000 bps.
>
> 1 billion bits per second is 1*10^9 bits, contrast with 2^30 bits which bc
> says is 1073741824
>
> http://en.wikipedia.org/wiki/Gigabit
>
> > Mike
> >
>
> --
> --------------------------------------------------------------------------
> Joel Jaeggli           Unix Consulting         joelja at darkwing.uoregon.edu
> GPG Key Fingerprint:     5C6E 0104 BAF0 40B0 5BD3 C38B F000 35AB B67F 56B2
>

The OP should look up IEEE 802.3 and the formulation of the various
packets/frames in the standard. Using the ping data and etheral(?) he
can reconstruct each frame, count the data transmitted/received per
unit time and computed the throughput for his system.