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

[Nick Pratley]

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.

________________________________
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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