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

...) -- Chris Ford Inabox Group From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net] On Behalf Of David Hooton Sent: Wednesday, 4 October 2017 12:55 PM To: ausnog@lists.ausnog.net Subject: Re: [AusNOG] Switch installation in data centre racks - front facing, or rear facing? > On 3/10/17, 10:34

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

On Thu, Oct 5, 2017 at 2:24 PM, Paul Wilkins wrote: > Just so. If you care about configuration control and change management, > you'll be using structured cabling with access from the front of the rack. > You really don't need to be fiddling around in the back of a

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

Just so. If you care about configuration control and change management, you'll be using structured cabling with access from the front of the rack. You really don't need to be fiddling around in the back of a rack, wondering about which port goes where. Kind regards Paul Wilkins On 4 October

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

On Wed, Oct 4, 2017 at 3:49 PM, Paul Wilkins wrote: > Sure, but when one observes the default vendor position is front to back > airflow, if one then applies logic, you can conclude back to front is > deployed as a cost cutting measure sans structured cabling. > > I

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

Sure, but when one observes the default vendor position is front to back airflow, if one then applies logic, you can conclude back to front is deployed as a cost cutting measure sans structured cabling. Kind regards Paul Wilkins On 4 October 2017 at 16:10, Jay Dixon wrote:

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

I think Sam's point was that the original email/question was asking purely about direction front or back, not whether you use TOR switches or structured cabling back to a central point :) On Wed, Oct 4, 2017 at 4:06 PM, Paul Wilkins wrote: > Sam, > In an SP

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

Sam, In an SP environment, you may well have whole rows dedicated to a single service - email, or web say. In the rack itself, you'll have web_node_5007, web_node_5008 etc. In the enterprise, you'll have a few email blades, internal web, external web, next to a bunch of file and print etc etc

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

that would mean the concept of patch by exception does not require patch panels and clearly even with that methodology it's used. Seems like some crack smoking logic there. I bet 90% of most peoples access layer has the same configuration on their switches. I don't think scale has anything todo

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

Because SPs have the luxury to not use structured cabling, due to scale where all switch ports share a common configuration, so there's no need for a patch panel, just patch direct to the switch, whereas in enterprise, inadvertent swapping of ports leads to P1s, hence, structured cabling is fairly

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

On Wed, Oct 4, 2017 at 12:45 PM, Paul Wilkins wrote: > There's enterprise racks, and SP racks and I'd say to generalise, > Enterprise do the ports to the front to structured cabling, while SPs will > reverse mount for shorter wire runs and density. Also swapping out

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

There's enterprise racks, and SP racks and I'd say to generalise, Enterprise do the ports to the front to structured cabling, while SPs will reverse mount for shorter wire runs and density. Also swapping out reverse mounted switches is a huge pain. Kind regards Paul Wilkins On 4 October 2017 at

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

> On 3/10/17, 10:34 pm, "AusNOG on behalf of Ken Wilson" > on > behalf of ken.wil...@opengear.com> wrote: > > Tagging onto this - does the same go for your out-of-band equipment? (those >

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

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

Hi Guys, Thanks for the feedback - looks like it's still 6 of one, half a dozen of the other. See you all at AUSNOG James On Tue, Aug 29, 2017 at 9:38 AM, Robert Hudson wrote: > When installing new switches into server racks in datacentres, I've tended > to use reverse-flow

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

When installing new switches into server racks in datacentres, I've tended to use reverse-flow switches mounted in the back of the rack, so they were close to the NIC ports on the servers/other kit. When installing new switches into racks with patch panels leading to other areas (other racks,

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

Hey James, We do something similar and have found that if you mount the switches in the middle of the racks at the back – at least with the APC PDUs we use there is nothing in the way – tend to mount them where the screen is on the rails. Just enough room for 3 switches there. Top switch for