[AusNOG] Switch installation in data centre racks - front facing, or rear facing?

[James Cunningham]

Hi Nick,

Would you mind getting a couple of photos of your cabling and switch
layout? I'd love to see how the pros do it.

Thanks

James

On Tue, Aug 29, 2017 at 9:30 PM, Nick Pratley <
nick.pratley at serversaustralia.com.au> wrote:

> I should have grabbed a quick photo, was just in the DC.
>
> You’re right. The maximum length is 2 meters and it’ll cover anything in
> the rack to any port.
>
> No 3 meter cables, no loops in between the rack walls and the servers.
> Small service length on each bundle that ticks away nicely. Nothing bad at
> all about it in my eyes.
>
> Our Infrastructure Team did a great job with the layouts.
>
>
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>
> *Nick Pratley*
> *Senior Network Operator*
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> *From:* Jason Leschnik <jason at leschnik.me>
> *Sent:* Tuesday, August 29, 2017 9:26:50 PM
> *To:* Nick Pratley
> *Cc:* James Cunningham; ausnog at lists.ausnog.net
> *Subject:* Re: [AusNOG] Switch installation in data centre racks - front
> facing, or rear facing?
>
>
>> Top switch for servers in the top half, middle switch for IPMI / drac and
>> the bottom switch for the servers in the bottom half. It works quite well,
>> the cabling is nice and neat and doesn’t get in the way of anything.
>>
>
> A quick calculation on paper leads me to believe there is a up to a ~40%
> reduction in cable length when running the switches in the centre of the
> rack. This sounds like the way to go!
>
> Example: http://imgur.com/a/rSzZx
>
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