A very common occurring reason for what you are describing would be a
'Ethernet Connection / Speed / Duplex Mismatch', in the customer's
connection path.
Regards
Faisal Imtiaz
Snappy Internet & Telecom
On 8/23/2012 9:52 AM, Bret Clark wrote:
I initially brought up the question because I have Verizon FiOS at
home and not matter what time of the day can run a speed test to the
same server and see my 30Mbps DN/15 Mbps up.
If I run and Iperf test between my FiOS connection and one of our
wireless business customers with 10Mbps circuit...it nails the speed
every time... iperf show 10Mbps up & 10Mbps down (we have a Linux
server at the customers site).
Yet when that same customer runs the same speed.net test to the same
speed.net server the results suck pretty much every single time!
I know the majority of test speed test are really based on algorithms
that try to figure out what the potential speed of a circuit is and
because our network is all wireless it just screws up the algorithms?
Bret
On 08/22/2012 01:00 PM, Matt Jenkins wrote:
http://www.speedtest.net/mini.php
On 08/21/2012 12:22 PM, Bret Clark wrote:
We mostly deal with business customer and guarantee bandwidth to
customers. We validate the bandwidth using IPERF from a Linux server
off of our BGP edge routers down to the customer and IPERF always
shows the customer getting the bandwidth they signed up for. We use
QoS to control bandwidth and make sure to not oversubscribe any one
link....small ratios of 3:1.
Of course eventually at some point the customer runs one of those
stupid bandwidth test on the Internet and the results are woefully
inaccurate (not in our favor)...but of course customers take the
results as gospel. AAARRRRGGGGHHHH!
It's not our internet connections, we have three 100Mbps BGP links
and none of them run at more then 50% during peak loads.
Has anyone else found those Internet speed test to be woefully
inaccurate? Or is something else going on that I'm missing?
Thanks,
Bret
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