Couldn't have said it better myself. That is exactly what we do.
*--Jeremy L. Gibbs* Sr. Network Engineer Utica College IITS T: (315) 223-2383 F: (315) 792-3814 E: [email protected] http://www.utica.edu On Tue, Sep 26, 2017 at 10:33 AM, Rob Harris <[email protected]> wrote: > While there are performance gains to be sure (by going to 40, or 80), > there are other concerns as well. We use 20 in our dorms because of the > density of APs and users, we need those additional channels (even with dfs > in use). We use 40 in our public spaces when there’s adequate capacity for > it, and 80 in our theater area since we designed for it. > > > > [image: The Culinary Institute of America] > > > *Robert Harris **Manager of Network Services* > > *Culinary Institute of America* > > 1946 Campus Drive > <https://maps.google.com/?q=1946+Campus+Drive%0D+Hyde+Park,+NY+%0D+845&entry=gmail&source=g> > > Hyde Park, NY > <https://maps.google.com/?q=1946+Campus+Drive%0D+Hyde+Park,+NY+%0D+845&entry=gmail&source=g> > 845-451-1681 <(845)%20451-1681> > > www.ciachef.edu > > *Food is Life* > > *Create and Savor Yours.™* > > > > *Please consider the environment before printing this e-mail.* > > > > *From:* The EDUCAUSE Wireless Issues Constituent Group Listserv [mailto: > [email protected]] *On Behalf Of *Jeffrey D. Sessler > *Sent:* Tuesday, September 26, 2017 10:20 AM > *To:* [email protected] > > *Subject:* Re: [WIRELESS-LAN] Two RF Questions > > > > It’s surprising to me that anyone would purchase a Lamborghini, then > disconnect ten of the twelve cylinders and drive it at 25 mph on the > autobahn. > > > > When I see static 20 MHz channels, or using 40 MHz in only limited areas, > I wonder what’s behind the purposeful neutering of the system. If you are a > Cisco customer running 8.1 or above, and not using DBS (Dynamic Bandwidth > Selection), then it’s the equivalent of the Lamborghini above running on > only two cylinders. > > > > Don’t miss out on the significant advancements in bandwidth management. > Free those resources spent doing point-in-time simulation and surveys for > something the software doesn’t already do far better at. I promise, DBS > won’t hurt a bit and your users will thank you a hundred times over. > > > > Jeff > > > > > > *From: *"[email protected]" <WIRELESS-LAN@LISTSERV. > EDUCAUSE.EDU> on behalf of "Street, Chad A" <[email protected]> > *Reply-To: *"[email protected]" <WIRELESS-LAN@LISTSERV. > EDUCAUSE.EDU> > *Date: *Tuesday, September 26, 2017 at 6:59 AM > *To: *"[email protected]" <WIRELESS-LAN@LISTSERV. > EDUCAUSE.EDU> > *Subject: *Re: [WIRELESS-LAN] Two RF Questions > > > > What is your reasoning behind not wanting 40 megahertz channels if you > have plenty of overhead with your channel utilization? People saying you > should or should not do something without Gathering any type of metric > worry me. > > > > On Sep 25, 2017 3:28 PM, Chuck Enfield <[email protected]> wrote: > > 1. Enable it in places to check for radar events. If you get few, > then yes. Client devices are almost fully capable now. Hidden SSID’s are > the only issue. Some clients don’t probe on DFS channels, and will only > respond to beacons. Make sure 2.4 is usable for the small number of > incompatible devices. > > 2. No. Don’t even consider 40MHz unless you’re using almost all the > DFS channels, but even then you’ll probably have to disable it in some high > density areas. > > > > *From:* The EDUCAUSE Wireless Issues Constituent Group Listserv [ > mailto:[email protected] > <[email protected]>] *On Behalf Of *David Blahut > *Sent:* Monday, September 25, 2017 3:17 PM > *To:* [email protected] > *Subject:* [WIRELESS-LAN] Two RF Questions > > > > Greetings, > > I have two hopefully simple RF related questions: > > 1. Should I enable the extended UNII-2 channels campus wide? > > 2. Should I enable 40Mhz channel width campus wide? > > In other words what are you doing on your campus and what is the "best > practice? > > > > Our wireless infrastructure: > > > > 3 Cisco 5508s running 8.2.141.0 > > > > 20 - 3800 APs > > 368 - 3700 APs > > 414 - 3600 APs > > 8 - 3500 APs > > 7 - 1810 APs > > 32 - 1142 APs > > > > Prime 3.1.0 > > > > Thanks for your input. > > David > > ********** Participation and subscription information for this EDUCAUSE > Constituent Group discussion list can be found at http://www.educause.edu/ > discuss. > > ********** Participation and subscription information for this EDUCAUSE > Constituent Group discussion list can be found at http://www.educause.edu/ > discuss. > > > > > ------------------------------ > > > This e-mail message (including any attachments) is for the sole use of > the intended recipient(s) and may contain confidential and privileged > information. If the reader of this message is not the intended > recipient, you are hereby notified that any dissemination, distribution > or copying of this message (including any attachments) is strictly > prohibited. > > If you have received this message in error, please contact > the sender by reply e-mail message and destroy all copies of the > original message (including attachments). > ********** Participation and subscription information for this EDUCAUSE > Constituent Group discussion list can be found at http://www.educause.edu/ > discuss. > > ********** Participation and subscription information for this EDUCAUSE > Constituent Group discussion list can be found at http://www.educause.edu/ > discuss. > ********** Participation and subscription information for this EDUCAUSE > Constituent Group discussion list can be found at http://www.educause.edu/ > discuss. > > ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/discuss.
