[tech] 10G switch

[Bob Adamson]

Hi Committee,

Please approve the following at the next committee meeting too:
Approve [BOB] to purchase Ubiquiti EdgeSwitch16 - XG for $876.59 plus
postage ($909.79 total) on behalf of the club.
Approve [BOB] to purchase cat6a cables and/or DAC cables as necessary up to
$100 including delivery on behalf of the club.

NB: the ubwh link below seems cheaper until you realise it doesn't include
GST. $876 is the cheaper price.

Thanks,
Bob.

-----Original Message-----
From: James Andrewartha [mailto:trs80 at ucc.gu.uwa.edu.au] 
Sent: Tuesday, 25 April 2017 7:00 PM
To: Andrew Adamson <bob at ucc.gu.uwa.edu.au>
Cc: tech at ucc.gu.uwa.edu.au; committee at ucc.gu.uwa.edu.au
Subject: Re: [tech] 10G switch

On Tue, 25 Apr 2017, Andrew Adamson wrote:

> [TRS] suggested an Ubiquiti EdgeSwitch16 - XG, available for around
> $870 from
> http://www.citytechnology.com.au/store/edgeswitch-fiber-es-16-xg-10gig
> -rj45-sfp-plus-ubiquiti-australia or 
> http://ubwh.com.au/product_info.php?products_id=475
> 
> The ubiquiti switch has 4 RJ-45 ports and 12 SFP+ ports. If we want to 
> use the SFP+ ports, we would have to buy some 10G direct-attach-copper 
> (DAC) cables at around $100 per cable. We may or may not have to use 
> SFP+ yet, depending on which 10G cards we get for the servers - though 
> with only 4
> RJ-45 ports and the need for an uplink on at least one of those ports, 
> I suspect we will need at least one or two.

Further discussion from IRC: DAC Twinax cables can be had for under $20ea at
http://www.fs.com/c/generic-10g-sfp-dac-1115

I have (some courtesy of AzzKikr) 10Gb PCIe cards available which we can use
in servers, and possibly some DAC cables too. Some of the cards may be XFP,
but I can provide modules and fibre for them, I'll confirm tomorrow.

You can get SFP+ 10GBASE-T modules, but they are new and expensive ($US300
is the cheapest I can find):
http://www.sfpcables.com/sfp-copper-transceiver-10gbase-t-cat-6a-7-30m-sfp-1
0g-sr

So I think the Ubiquiti switch offers a good mix of technologies based on
current pricing.

-- 
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