You are correct... Sorry for any confusion
On Tue, Feb 11, 2014 at 8:47 PM, Peter P Morrissey <ppmor...@syr.edu> wrote: > Cat6a is 100 meters for 10 Gig. You may be thinking of Cat6 which was > supposed to go 55 meters for 10 Gig, but now I think they are saying 37 > meters for Cat6. > > > > Pete Morrissey > > > > *From:* The EDUCAUSE Wireless Issues Constituent Group Listserv [mailto: > WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] *On Behalf Of *Ron Walczak > *Sent:* Tuesday, February 11, 2014 7:45 PM > *To:* WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU > *Subject:* Re: [WIRELESS-LAN] How many drops 802.11ac phase 2 > > > > 10G over copper is limited to 53 meters for cat6a... What percentage of > your AP's are that close to your data switch? > > A Re-design would be necessary > > > > On Tue, Feb 11, 2014 at 9:30 AM, Cameron, Damien L. <dlcame...@nsu.edu> > wrote: > > Wouldn't switches with 10G access ports (also 10G uplink ports on AP)and > 802.3at POE solve this issue? > > I understand resiliency is a plus with two data drops, but with RRM I > still can't see the benefit of two data drops. Doubles cabling cost, and > you still need the switch ports to support it. I've searched to see if > Cisco had any switches with 10G access ports; however, I've only seen this > in Nexus models for the DC. I think I came across a switch by Arista that > was 10G access. And we know with the pace that technology changes those two > data drops may not be needed in the future. > > Damien Cameron > Network Engineer > Norfolk State University > Office of Information Technology > Marie v. McDemmond Center for applied Research > Room 401 > 555 Park Avenue > Norfolk, VA 23504 > O: (757) 823-9123 > > > -----Original Message----- > From: The EDUCAUSE Wireless Issues Constituent Group Listserv [mailto: > WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] On Behalf Of John Center > Sent: Tuesday, February 11, 2014 8:41 AM > To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU > Subject: Re: [WIRELESS-LAN] How many drops 802.11ac phase 2 > > Hi Bruce, > > I was referring to the future 802.11ac phase 2 APs. > > > -John > > > On 02/11/2014 07:40 AM, Osborne, Bruce W (Network Services) wrote: > > What brand of APs are you using? Aruba APs will only accept PoE from the > first Ethernet port. > > > > Bruce Osborne > > Network Engineer - Wireless Team > > IT Network Services > > > > (434) 592-4229 > > > > LIBERTY UNIVERSITY > > Training Champions for Christ since 1971 > > > > -----Original Message----- > > From: John Center [mailto:john.cen...@villanova.edu] > > Sent: Monday, February 10, 2014 5:44 PM > > Subject: Re: How many drops 802.11ac phase 2 > > > > Hi Philippe, > > > > Another reason for 2 drops is resiliency. I envision connecting the > AP's 2 ports to a 2-switch stack. We rarely see the need for redundant > power supplies in an edge switch, but have seen failure on a switch ASIC > cause one or more ports to go dead. With 2 connections, one switch having > issues won't take out the AP. I think LAG'g both ports across the stack & > supporting LACP will become a future requirement. > > > > -John > > > > > > -- > > John Center > > Villanova University > > > > On 02/07/2014 10:21 AM, Hanset, Philippe C wrote: > >> Is the main justification for two drops due to power/bandwidth/the-two? > >> > >> With many services and most killer apps going to the cloud, I would > >> suspect that the bandwidth to the WAN is so limiting, that this > >> excess of capacity on Wireless is a complete overkill (a vendor > >> driven non-sense). > >> > >> Yes, those 802.11ac Phase2 APs can generate a lot more than 1 Gbps, > >> but that's is shared bandwidth (half-duplex), and your uplink is 1 > >> Gbps full-duplex (2 Gbps in Cisco math as we said in the old days). > >> > >> So, you really plan to also uplink your switches with 40 Gbps, and > >> then a core at many times 100 Gbps, all connected to your ISP at a > >> few Gbps... something doesn't add up here. > >> > >> Am I alone making bad accounting here? > >> > >> Philippe Hanset > >> www.eduroam.us <http://www.eduroam.us> > >> > >> > >> > >> On Feb 7, 2014, at 9:58 AM, James Robert Kennon <jken...@gsu.edu > >> <mailto:jken...@gsu.edu>> > >> wrote: > >> > >>> We just made a call on a new building and decided not to incur cost > >>> of > >>> 2 cables per drop at this time. Hope we don't regret it later. > >>> > >>> > >>> > >>> From: Lee H Badman <lhbad...@syr.edu <mailto:lhbad...@syr.edu>> > >>> Reply-To: The EDUCAUSE Wireless Issues Constituent Group Listserv > >>> <WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU > >>> <mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU>> > >>> Date: Fri, 7 Feb 2014 14:56:31 +0000 > >>> To: <WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU > >>> <mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU>> > >>> Subject: Re: [WIRELESS-LAN] How many drops 802.11ac phase 2 > >>> > >>> We'll be running two, until some sanity emerges. > >>> > >>> > >>> > >>> -------------------------------------------------------------------- > >>> - > >>> --- > >>> *From:* The EDUCAUSE Wireless Issues Constituent Group Listserv > >>> <WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU > >>> <mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU>> on behalf of Brian > >>> David <brian.da...@bc.edu <mailto:brian.da...@bc.edu>> > >>> *Sent:* Friday, February 7, 2014 9:54 AM > >>> *To:* WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU > >>> <mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU> > >>> *Subject:* [WIRELESS-LAN] How many drops 802.11ac phase 2 > >>> > >>> All, > >>> > >>> I wanted to see how many people were planning on running 2 drops to > >>> 802.11ac phase 2 access points? > >>> > >>> Currently we are just doing a one for one swap when replacing an > >>> older a/b/g AP's with 802.11ac phase 1 AP's > >>> > >>> When you have new construction, do you plan on running 2 drops so > >>> when phase 2 come into play you will be all set for it? > >>> > >>> > >>> > >>> */Brian J David/* > >>> > >>> */Network Systems/* > >>> > >>> */Boston College/* > >>> > >>> <image003.jpg> > >>> > >>> > >>> > >>> ********** 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/. > > > > > > -- > > > *Ron Walczak PMP, RCDD, CWNA/CWSP* > *Walczak Technology Consultants, Inc* > *(724) 865-2740 <%28724%29%20865-2740>* > > > *"Resentment is like drinking poison and then hoping it will kill your > enemies." - Nelson Mandela* > > > > *"You should not believe everything you read on the Internet" -Benjamin > Franklin* > > > > > > *I asked God for all things, so I could enjoy life.... God gave me > life....... so that I could enjoy all things....* > > > > I am easily satisfied with the very best. > ~Winston Churchill~ > > > > "Not to speak is to speak. Not to act is to act." - Dietrich Bonhoeffer > > "The great aim of education is not knowledge but action." * - Herbert > Spencer* > > > > > > ********** 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/. > > -- Ron Walczak PMP, RCDD, CWNA/CWSP Walczak Technology Consultants, Inc (724) 865-2740 *"Resentment is like drinking poison and then hoping it will kill your enemies." - Nelson Mandela* *"You should not believe everything you read on the Internet" -Benjamin Franklin* *I asked God for all things, so I could enjoy life....* *God gave me life....... so that I could enjoy all things....* I am easily satisfied with the very best. ~Winston Churchill~ "Not to speak is to speak. Not to act is to act." - Dietrich Bonhoeffer "The great aim of education is not knowledge but action." *- Herbert Spencer* ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/groups/.
