What is it you think is happening during output drops? -- Daniel Eklund Network Planning Manager ITS Communications Systems and Data Centers University of Michigan 734.763.6389
On Wed, Dec 18, 2013 at 3:11 PM, Wright, Don <donald_wri...@brown.edu> wrote: > 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 <i...@st-andrews.ac.uk> 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 >> Sent: 18/12/2013 19:33 >> >> To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU >> 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 <lhbad...@syr.edu> >> 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 [rhtur...@email.unc.edu] >> Received: Wednesday, 18 Dec 2013, 12:52 >> To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU >> [WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] >> 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:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] On Behalf Of Turner, Ryan H >> Sent: Wednesday, December 18, 2013 12:47 PM >> To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU >> 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:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] On Behalf Of Stewart, Joe >> Sent: Wednesday, December 18, 2013 12:40 PM >> To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU >> 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/. ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/groups/.
