On 2019-03-08, Gordon Henderson wrote:

> In article ,
> Adam Funk   wrote:
>>I'm using a Pi 2B as a lightweight home office server.  The lshw
>>output says size: 100Mbit/s and capacity: 100Mbit/s for the ethernet
>>connection, & it's plugged into the router, which is plugged into the
>>cable modem (both cables are fairly short).
>>
>>Are there other limitations on how fast the Pi can receive data that
>>would explain lower than expected results from speedtest-cli?
>
> You've not said what results you're getting....

Around 26 Mb/s downstream on what's supposed to be a 70 Mb/s
connection.


> My own tests with iperf on the early Pi's LAN to LAN showed that it could
> almost saturate a 100Mb connection, but remember the Pi's Ethernet is
> on USB which is half duplex only, so if downloading from the Interwebs
> and storing to a file on a USB drive will give fairly meaningless results.

Aha!  That is exactly the sort of "other limitations" that I needed to
know about.  (The Pi in question has /boot on the SD card & everything
else on an external USB drive.)

Thanks.

--
If an organization had to assume that anything it did would become
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