My experience with GigE is that rate/duplex auto-negotiation still takes
place on only four wires so you could have a missing pair (or even one
wire) and it would try to run gigabit if your interfaces are stupid.
We had exactly this problem when the 450 APs first came out. They would
link up at 1Gb even though there was only a 10/100 injector in between
and obviously only two data pairs in use. Cambium later turned on the
feature in their PHY that detects if data is actually present on all
four pairs or not and adjusts negotiation accordingly. And that was
talking to MikroTik ports, BTW.
So no, I don't think you can rely on the "does it show linked at 1Gbps?"
test.
Also, I don't think Josh's suggested MikroTik bandwidth test using a
single router will work. If you run a speedtest to itself, it will only
go through the CPU. Just sayin.
On 8/17/2015 3:16 PM, Chuck McCown wrote:
Would seeing the gigabit color be good enough to say that we have a
good circuit?
*From:* Josh Luthman <mailto:j...@imaginenetworksllc.com>
*Sent:* Monday, August 17, 2015 2:13 PM
*To:* af@afmug.com <mailto:af@afmug.com>
*Subject:* Re: [AFMUG] GigE Testing
Yup. Get an rb2011. Plug ether1 to 2 with a SS between.
You'll see link, one color is gigabit. Hell you could run a script to
check the rate and print it.
For more testing you could do a MT speed test between it/to itself.
Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373
On Aug 17, 2015 4:08 PM, "Chuck McCown" <ch...@wbmfg.com
<mailto:ch...@wbmfg.com>> wrote:
So, could I use two ports of a Mikrotik router and make it do a
bi-directional test?
I presume they have a CLI or do they have a GUI?
-----Original Message----- From: Larry Smith
Sent: Monday, August 17, 2015 2:06 PM
To: af@afmug.com <mailto:af@afmug.com>
Subject: Re: [AFMUG] GigE Testing
Most (if not all) the mikrotik routers have a built in Bandwidth
test (server
or client, selectable). Believe they do UDP or TCP, send, receive
or both.
--
Larry Smith
lesm...@ecsis.net <mailto:lesm...@ecsis.net>
On Mon August 17 2015 15:02, Chuck McCown wrote:
I am pretty ignorant as to the abilities of any Mikrotic device.
Can you enlighten me?
-----Original Message-----
From: Matt
Sent: Monday, August 17, 2015 2:01 PM
To: af@afmug.com <mailto:af@afmug.com>
Subject: Re: [AFMUG] GigE Testing
> I am wondering if I got a GigE managed switch, could I see
some phy data
> speeds by looking at its management interface?
Why not just a Mikrotik CCR?
> Demand for our GigE surge suppressor has been growing such
that I am now
> limited by my test station throughput.
>
>
>
> Any ideas on how to test a GigE device go-nogo without
buying more big
> dollar testers (which I currently use)?
>
>
>
> It needs to be fast and show speeds in both directions.
>
>
>
> Have considered just putting up a GigE switch and plugging
the surge
> suppressor into two ports and seeing if they light. But
that sounds
> pretty
> cheap and dirty. Want to see numbers. A laptop talking to
another
> laptop with iperf may end up being the solution. Not sure if
there are
> GigE USB NICS so I could do it all on one laptop or not.
>
>
>
> Any other ideas?
