I would say take a close look at the 100M ports connected to your N or AC APs and check for output drops. We've seen this in some locations where we we're careful about refreshing with N AP's. It likely comes at peak times so if you're just graphing the in/out you will miss it.
Don Wright Brown University On Wed, Dec 18, 2013 at 2:39 PM, Ian McDonald <[email protected]> wrote: > They certainly are using some strange math, my experience (and that of > other institutions nearby) is that the vast majority of my N access points > don't suffer from being connected to 100M poe switches, and in the places > we have 1G to them, they generally don't use more than 100M. > > > Thanks > > -- > ian > > Sent from my phone, please excuse brevity and misspelling. > ------------------------------ > From: Hanset, Philippe C <[email protected]> > Sent: 18/12/2013 19:33 > > To: [email protected] > Subject: Re: [WIRELESS-LAN] 802.11AC Future Infrastructure > > And the WLAN industry also does strange math ;-) > > A lot of services are going to the Cloud, mostly using your pipe to the > Internet. > It seems that, progressively or even rapidly, the limiting factor is not > Wi-Fi anymore but rather the pipe to the internet. > 1 Gbps to each Wireless AP is a lot of bandwidth! and a lot of > oversubscription all around (edge, distribution, core, WAN) > Unless you plan to distribute UHDTV (8K TV) to your dorms, I wouldn't > worry about getting more than 1 Gbps to each AP for a long time. > Also most of 802.11ac APs are fine with 802.3af! > > > Philippe Hanset > www.eduroam.us > > On Dec 18, 2013, at 12:56 PM, Lee H Badman <[email protected]> > wrote: > > The WLAN industry is doing an absolutely horrible, almost shameful job > of managing the message on cabling for 11ac, says I. > > Lee Badman > Network Architect/Wireless TME > ITS, Syracuse University > 315.443.3003 > > -----Original Message----- > *From:* Turner, Ryan H [[email protected]] > *Received:* Wednesday, 18 Dec 2013, 12:52 > *To:* [email protected] [ > [email protected]] > *Subject:* Re: [WIRELESS-LAN] 802.11AC Future Infrastructure > > BTW… Before anyone jumps on me, I understand the purpose of the > question. It’s great to know the best practices for the ‘what if’ > situation. > > > Ryan H Turner > Senior Network Engineer > The University of North Carolina at Chapel Hill > CB 1150 Chapel Hill, NC 27599 > +1 919 445 0113 Office > +1 919 274 7926 Mobile > > > *From:* The EDUCAUSE Wireless Issues Constituent Group Listserv [mailto: > [email protected]] *On Behalf Of *Turner, Ryan H > *Sent:* Wednesday, December 18, 2013 12:47 PM > *To:* [email protected] > *Subject:* Re: [WIRELESS-LAN] 802.11AC Future Infrastructure > > > Call me naïve, but I think 10 gig uplinks for ac WAPs is serious > overkill. We have almost 4,500 switches across campus, most with 1 gig > user uplinks, and the vast majority are perfectly fine with 1G (heck, we > could swap a good number of those for 100 Meg, and they’d barely notice). > These are switches with 48+ connected devices, all at 1 gig. So, for most > access points that will be seeing far less users than a traditional edge > switch with a one gig uplink, I don’t see the need to go crazy with the > feed speed. I could see deploying 2 single gig links to the .ac access > points, but not 10 gig. Exceptions to this ‘could’ be very dense classroom > environments with a lot of access points (there are exceptions to > everything). > > > Ryan H Turner > Senior Network Engineer > The University of North Carolina at Chapel Hill > CB 1150 Chapel Hill, NC 27599 > +1 919 445 0113 Office > +1 919 274 7926 Mobile > > > *From:* The EDUCAUSE Wireless Issues Constituent Group Listserv [ > mailto:[email protected]<[email protected]> > ] *On Behalf Of *Stewart, Joe > *Sent:* Wednesday, December 18, 2013 12:40 PM > *To:* [email protected] > *Subject:* [WIRELESS-LAN] 802.11AC Future Infrastructure > > > As this technology begins to be deployed is anyone out there planning > ahead for wave two of this? I know it’s not going to happen for a while > but I’m curious if there are folks in the process of new construction where > you have the option to add the infrastructure now to support the 10Gbps. > If so, has there been any documentation on what cable type would be > recommended for this? (ex. CAT6A or CAT7). > > > Thanks, > > > > > Joe Stewart > Network Specialist I > Information Systems and Network Services > Claremont McKenna College > 325 E. 8th Street, Roberts South #12 > Claremont, CA 91711 > > > ********** Participation and subscription information for this EDUCAUSE > Constituent Group discussion list can be found at > http://www.educause.edu/groups/. > ********** Participation and subscription information for this EDUCAUSE > Constituent Group discussion list can be found at > http://www.educause.edu/groups/. > ********** Participation and subscription information for this EDUCAUSE > Constituent Group discussion list can be found at > http://www.educause.edu/groups/. > > ********** Participation and subscription information for this EDUCAUSE > Constituent Group discussion list can be found at > http://www.educause.edu/groups/. > > > ********** Participation and subscription information for this EDUCAUSE > Constituent Group discussion list can be found at > http://www.educause.edu/groups/. > > ********** Participation and subscription information for this EDUCAUSE > Constituent Group discussion list can be found at > http://www.educause.edu/groups/. > > ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/groups/.
