Re: [A bit OT] Diagnosing home network
> On May 20, 2017, at 9:38 AM, Gene Heskett <gheskett@shentel.net> wrote:
>
>> On Saturday 20 May 2017 01:41:20 Mark Fletcher wrote:
>>
>> Hello!
>>
>> I have some doubts about the throughput of my home network and I'm
>> hoping for some advice on tools that might help me diagnose it.
>>
>> My home network consists of 2 Debian machines, one Jessie and one
>> Stretch, an LFS mini-ITX machine acting as my firewall, another LFS
>> laptop that is connected only occasionally, a Windows 8.1 laptop, 3
>> iPhones of varying ages, 2 iPads, 1 Android tablet device, a couple of
>> other proprietary tablets and a Buffalo Linkstation that provides most
>> of the connectivity.
>>
>> The internet access is via Cable. I run an ethernet cable from the
>> cable modem to the firewall machine, then from the firewall machine to
>> the Linkstation's WAN port. The firewall machine's WiFi interface is
>> disabled (I didn't include its driver when I built the kernel for that
>> machine). The Jessie box, a phone-to-ethernet device and a NAS are
>> plugged into the Linkstation wired LAN ports. Everything else connects
>> to the Linkstation WiFi. The LinkStation offers 2.4GHz and 5GHz
>> connections, the 2.4GHz is b/g and the 5GHz is ac I believe. Those
>> devices that can use the 5GHz connection, are, the rest are using the
>> 2.4GHz.
>>
>> I have my doubts about cross-LAN throughput. For example, as I write I
>> am using WinSCP on the Windows 8.1 laptop to copy a movie file from my
>> Jessie box to the laptop. (The movie concerned is not copyright before
>> anyone asks). The Jessie box is connected to the LinkStation by wired
>> ethernet, and the Windows 8.1 laptop by WiFi. I am getting a transfer
>> rate consistently across the life of the connection of 880KB/s. I'd
>> expect it to be a lot faster than that. I checked the WinSCP software
>> is capable of limiting the connection speed, but is set not to.
>> .
>>
>> Thanks in advance
>>
>> Mark
> Delurking. Just a quick suggestion here. Do you have the proprietary non-free firmware installed for all your NICs? When they work without the firmware it is often a much slower connection, like b when the NIC is capable of n or a/c, but only when using the proprietary firmware.
Cathy
>
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