Re: [WIRELESS-LAN] Aruba information sharing Zoom call

2021-09-27 Thread Julian Y Koh
e over the past 10 days or so. Then we are all waiting for the 8.7.1.6 GA build in a couple of weeks. Fingers crossed…..thanks to everyone here and at Aruba who has been sharing very helpful information and working with us through all of this. -- Julian Y. Koh Director, Telecommunicatio

Re: [WIRELESS-LAN] eduroam CAT Config/Cert Renewal with New Root

2021-08-09 Thread Julian Y Koh
to “mailing list” and “USENET”. :) Or is that just in reference to NANOG and IPv6? :) :) :) -- Julian Y. Koh Director, Telecommunications and Network Services Northwestern Information Technology 2020 Ridge Avenue #331 Evanston, IL 60208 +1-847-467-5780 Northwestern IT Web

Re: [WIRELESS-LAN] Aruba Founders Retiring (CEO, CTO, and Architect)

2021-06-02 Thread Julian Y Koh
QgrLAThmoMVkpkQjNK1vo-w0syYItoUkmHoX9vnNxMt3pVcAfIkRIxy_UkeABHnQ$> Thanks for sharing, Neil. Definitely end of an era. Fingers crossed that this transition is as successful as their last few major transitions over the past few years! -- Julian Y. Koh Associate Director, Telecommunicati

Re: [WIRELESS-LAN] Rate Limits on Guest Wi-Fi

2021-04-12 Thread Julian Y Koh
eneral thinking was that people should probably be able to watch 1 HD video stream comfortably. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2020 Ridge Avenue #331 Evanston, IL 60208 +1-847-467-5780 Northwestern IT Web Site:

Re: [WIRELESS-LAN] Wi-Fi and Covid

2021-04-01 Thread Julian Y Koh
On Apr 1, 2021, at 16:03, Philippe Hanset <005cd62f91b7-dmarc-requ...@listserv.educause.edu<mailto:005cd62f91b7-dmarc-requ...@listserv.educause.edu>> wrote: Ok, Full Disclosure … I was in shortage of April 1st fun :) Well, you got all of us….. :) Nicely done! -- J

Re: [WIRELESS-LAN] Wi-Fi and Covid

2021-04-01 Thread Julian Y Koh
tracing and with occupancy level tracking around campus. At least a couple of the Wi-Fi vendors came up with analytics/reporting tools that would assist with this type of thing. We chose not to implement anything like this due to privacy concerns primarily. -- Julian Y. Koh Associ

Re: [WIRELESS-LAN] Outdoor WLANs?

2021-03-04 Thread Julian Y Koh
community<https://urldefense.com/v3/__https://www.educause.edu/community__;!!Dq0X2DkFhyF93HkjWTBQKhk!E8yTGpHyYZCL3s7lHopWT4NA1ublfWPVKkOu59h7sMuj5WlNEDMo5-CZiC439EDaqi0OsA$> -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2020 Ridg

Re: [WIRELESS-LAN] Macbook zoom wireless dropout issues

2021-02-12 Thread Julian Y Koh
member involved some interaction between Bluetooth, possibly Location Services, and Wi-Fi. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2020 Ridge Avenue #331 Evanston, IL 60208 +1-847-467-5780 Northwestern IT Web Site: <http:/

Re: [WIRELESS-LAN] Large Venue Wireless

2021-01-19 Thread Julian Y Koh
k itself is treated as a separate segment of our overall campus network. Our network engineering team does have visibility and access into the environment. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2020 Ridge Avenue #331 E

Re: [WIRELESS-LAN] Clover Flex - eduroam

2020-12-09 Thread Julian Y Koh
I'm not a PCI QSA, nor do I play one on TV, but if the Clover Flex does P2PE (Point to Point Encryption), that should prevent the underlying network from being in PCI scope. -- Julian Y. Koh kohs...@northwestern.edu On 12/9/20, 15:00, "The EDUCAUSE Wireless Issues Commu

Re: [WIRELESS-LAN] Status of Wi-Fi 6 Client Drivers?

2020-09-23 Thread Julian Y Koh
Wi-Fi Alliance’s fault that users have to figure out to download new drivers directly from the NIC manufacturer instead of just getting them as part of an automatic update process, is it? -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technol

Re: [WIRELESS-LAN] Antenna mounting suggestions

2020-08-29 Thread Julian Y Koh
rences. They had all sorts of fun pictures and stories to tell about hiding (or not hiding as you point out) APs in the parks. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2020 Ridge Avenue #331 Evanston, IL 60208 +1-847-46

Re: [WIRELESS-LAN] MAC Randomization, a step further...

2020-08-06 Thread Julian Y Koh
(which is dangerous) that I’m correct, that if MAC randomization puts an undue burden and/or large obstacles on your ability to track down a device/user and cut it off from the network, the DMCA alone shouldn’t be seen as a mandate to try to disable MAC randomization. -- Julian Y. Koh Ass

Re: [WIRELESS-LAN] Cisco pre-DNA Spaces Location Service, Contact Tracing

2020-05-27 Thread Julian Y Koh
ignage, line/queue management, etc in those areas). -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2020 Ridge Avenue #331 Evanston, IL 60208 +1-847-467-5780 Northwestern IT Web Site: <http://www.it.northwestern.edu/> PGP

Re: [WIRELESS-LAN] Wireless location data for contact tracing

2020-05-15 Thread Julian Y Koh
eless Issues Community Group Listserv mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU>> on behalf of Julian Y Koh mailto:kohs...@northwestern.edu>> Reply-To: The EDUCAUSE Wireless Issues Community Group Listserv mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU>> Date: Friday, May 15, 20

Re: [WIRELESS-LAN] Wireless location data for contact tracing

2020-05-15 Thread Julian Y Koh
see the value of trying to roll our own app or system to be limited given that there’s no way to tell what people are going to do when they leave campus. I’m hoping the state will come up with something workable that we can then point everyone here to use. -- Julian Y. Koh Associate Director

Re: [WIRELESS-LAN] Requesting arena Wi-Fi feedback

2020-03-05 Thread Julian Y Koh
check them out. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2020 Ridge Avenue #331 Evanston, IL 60208 +1-847-467-5780 Northwestern IT Web Site: <http://www.it.northwestern.edu/> PGP Public Key: <https://bt.ittns.nor

Re: [WIRELESS-LAN] Ex: Re: [WIRELESS-LAN] neighbors 'jamming' 2.4GHz spectrum

2020-01-29 Thread Julian Y Koh
g. So that goes beyond simply radiating on a channel. Corrections/clarifications welcome as always! :) -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2020 Ridge Avenue #331 Evanston, IL 60208 +1-847-467-5780 Northwestern IT Web

Re: [WIRELESS-LAN] rules for mis-behaving wireless clients

2019-11-20 Thread Julian Y Koh
cation. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2020 Ridge Avenue #331 Evanston, IL 60208 +1-847-467-5780 Northwestern IT Web Site: <http://www.it.northwestern.edu/> PGP Public Key: <https://bt.ittns.northwestern.edu/julian

Re: [WIRELESS-LAN] InCommon certificate trust chain issues with upgraded Windows Systems

2019-09-15 Thread Julian Y Koh
certificate. In our case it was the Macs that didn’t like whatever chain had been chosen by some of our server administrators, but once we standardized on what chain to use everyone was happy. And it was a learning experience for some people on how to analyze certificate chains. :) -- Julian Y

Re: [WIRELESS-LAN] Performance improvements from hallway to in-room

2019-09-06 Thread Julian Y Koh
ike co-channel interference to show improvements from the redesign. Much easier today to let the magic machine learning analysis engines do that work for us! :) -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2020 Ridge Avenue #331 Ev

Re: [WIRELESS-LAN] Aruba Wi-Gi 6 APs

2019-09-05 Thread Julian Y Koh
ple call in trouble reports. It’s been solving problems for years. :) -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2020 Ridge Avenue #331 Evanston, IL 60208 +1-847-467-5780 Northwestern IT Web Site: <http://www.it.northwes

Re: [WIRELESS-LAN] Your eduroam semi-annual report

2018-07-05 Thread Julian Y Koh
tution. We don’t use eduroam as our primary SSID. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2020 Ridge Avenue #331 Evanston, IL 60208 +1-847-467-5780 Northwestern IT Web Site: <http://www.it.northwestern.edu/> PGP Public

Re: [WIRELESS-LAN] Indoor Navigation.

2018-06-18 Thread Julian Y Koh
> On Jun 18, 2018, at 08:16, Yahya M. Jaber wrote: > > What about the outdoor areas, do you have such? > You use WiFi only? We have some outdoor Wi-Fi coverage, but not pervasive. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern

Re: [WIRELESS-LAN] Indoor Navigation.

2018-06-18 Thread Julian Y Koh
to account for development time, especially if external integrations need to be built in. Just like #1, this adds to the necessary planning and resources that need to be brought to bear. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information T

Re: [WIRELESS-LAN] Re-authentication times for guest wireless solutions

2018-05-10 Thread Julian Y Koh
e wondering how > often other universities are making wireless guests re-authenticate to their > networks. > We do 7 days for registration. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2020 Ridge Avenue #331 Evanston,

Re: [WIRELESS-LAN] ClearPass - not so clear anymore

2018-04-03 Thread Julian Y Koh
parate/acquired products into a cohesive whole. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2020 Ridge Avenue #331 Evanston, IL 60208 +1-847-467-5780 Northwestern IT Web Site: <http://www.it.northwestern.edu/> P

Re: [WIRELESS-LAN] Atmosphere Conference next week - higher education gathering

2018-03-22 Thread Julian Y Koh
ecially > this one and the NETMAN group). > I’ll be there Sunday-Wednesday. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2020 Ridge Avenue #331 Evanston, IL 60208 +1-847-467-5780 Northwestern IT Web Site: <http://www.i

Re: [WIRELESS-LAN] Offline/Spare Gear Inventory Size

2018-02-27 Thread Julian Y Koh
addition to what’s already been mentioned, there are places where it can be advantageous to buy, say, your entire year’s supply of something so that you get a bigger purchasing discount. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Tech

Re: [WIRELESS-LAN] Campus Wireless in Married or Family Student housing

2017-09-15 Thread Julian Y Koh
-- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2001 Sheridan Road #G-166 Evanston, IL 60208 +1-847-467-5780 Northwestern IT Web Site: <http://www.it.northwestern.edu/> PGP Public Key: <https://bt.ittns.northwestern.edu/

Re: [WIRELESS-LAN] Backup power

2017-07-20 Thread Julian Y Koh
that instead of small closet UPS units. > If you do not build in backup power, do you put your switches on a > maintenance contract, or do you pay to replace them when they fail outside of > warranty? > We self-insure on switches and access points. -- Julian Y

Re: [WIRELESS-LAN] 802.1x expired certificate (Eduroam)

2017-07-04 Thread Julian Y Koh
is prompted to "trust" the new certificate and that's it. This has been our experience. Some clients behave differently here and there due to bugs and/or config differences, but generally the worst that happens is that people need to trust the new certificate. -- Julian Y. Koh

Re: [WIRELESS-LAN] macOS Sierra and 802.1X certificate storage/validation

2017-05-16 Thread Julian Y Koh
etwork credentials > Description: A certificate validation issue existed in EAP-TLS when a > certificate changed. This issue was addressed through improved certificate > validation. > CVE-2017-6988: Tim Cappalli of Aruba, a Hewlett Packard Enterprise company ====== -- Ju

Re: [WIRELESS-LAN] Aruba AP Models - 315 vs 325

2017-05-02 Thread Julian Y Koh
> On May 2, 2017, at 08:32, McClintic, Thomas > wrote: > > Sorry, this was mentioned previously. I should have read bottom up instead of > top down J > Insert regular tilting at windmills rant about top posting here… :) :) :) -- Julian Y. Koh Associate Director, Tele

Re: [WIRELESS-LAN] IPTV deployment

2017-04-27 Thread Julian Y Koh
lemented the Comcast Xfinity On Campus service. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2001 Sheridan Road #G-166 Evanston, IL 60208 +1-847-467-5780 Northwestern IT Web Site: <http://www.it.northwestern.edu/> PGP

macOS Sierra and 802.1X certificate storage/validation

2017-03-28 Thread Julian Y Koh
renewing the certificate on our RADIUS server, and our fuzzy 3-year old memories are telling us that the Macs used to prompt people again to accept the new certificate, but that doesn’t seem to be happening now either. So all in all I’m a little confused. :) Thanks in advance! -- Julian Y

Re: [WIRELESS-LAN] Wireless Lighting Controls - impact on Wi-Fi or Wi-Fi's impact?

2017-03-23 Thread Julian Y Koh
at least need to try to get ahead of this so that we can be involved in purchasing decisions/discussions. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2001 Sheridan Road #G-166 Evanston, IL 60208 +1-847-467-5780 Northwest

Re: [WIRELESS-LAN] Wireless Door lock systems

2017-03-12 Thread Julian Y Koh
emic year in a few renovated residence halls, so we haven’t hit a battery change cycle yet. Overall they seem to be working well. They can do 802.1X auth/encryption. I’m not aware of any major issues that have bubbled up to the networking team here after initial rollout. -- Julian Y. Koh

Re: [WIRELESS-LAN] Disney's Free Wi-Fi

2017-03-03 Thread Julian Y Koh
very different from our regular indoor usage patterns, but I would think all the hotel rooms have to be kind of similar to our residence halls. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2001 Sheridan Road #G-166 Evans

Re: [WIRELESS-LAN] Disney's Free Wi-Fi

2017-03-03 Thread Julian Y Koh
seen us throw around here on the list for our campuses. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2001 Sheridan Road #G-166 Evanston, IL 60208 +1-847-467-5780 Northwestern IT Web Site: <http://www.it.northwestern.ed

Re: [WIRELESS-LAN] SSID names

2017-02-21 Thread Julian Y Koh
in time. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2001 Sheridan Road #G-166 Evanston, IL 60208 +1-847-467-5780 Northwestern IT Web Site: <http://www.it.northwestern.edu/> PGP Public Key: <https://bt.ittns.north

Re: [WIRELESS-LAN] SSID names

2017-02-21 Thread Julian Y Koh
stration for devices that can’t do 802.1X authentication -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2001 Sheridan Road #G-166 Evanston, IL 60208 +1-847-467-5780 Northwestern IT Web Site: <http://www.it.northwestern.edu/&

Re: [WIRELESS-LAN] Prime Infrastructure Validated Alternatives

2017-01-11 Thread Julian Y Koh
about it and we seemed to be just incredibly lucky to not have any of those problems. I have no idea what we were doing differently, but I’ll take it. :) -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2001 Sheridan Road #G-166

Re: [WIRELESS-LAN] WiFi simple (but useful) tools

2016-11-29 Thread Julian Y Koh
ticipation and subscription information for this EDUCAUSE Constituent > Group discussion list can be found at > https://urldefense.proofpoint.com/v2/url?u=http-3A__www.educause.edu_groups_&d=CwIFAg&c=yHlS04HhBraes5BQ9ueu5zKhE7rtNXt_d012z2PA6ws&r=ITCdJ8r7Mvmi4B5IfM-uUxBCe5N77i8k9OcsASk91Zg&am

Re: [WIRELESS-LAN] on-boarding of personal wireless devices

2016-11-17 Thread Julian Y Koh
ireless network team here used the ClearPass system this fall to roll out a new SSID for these types of devices this fall for our students. <http://www.it.northwestern.edu/oncampus/device-northwestern/> Basically students can register their devices via self service portal. -- J

Re: [WIRELESS-LAN] College Sports Venue Wireless- In-House vs 3rd Party

2016-11-08 Thread Julian Y Koh
t couple of years, and there is a huge focus on technology for enhancing the fan experience. In general we are looking to have a model where Athletics and a vendor are responsible for real time support for the infrastructure and systems that are reliant on it, but nothing's been finalized.

Re: [WIRELESS-LAN] Educause Conference

2016-09-16 Thread Julian Y Koh
On Fri Sep 16 2016 19:24:14 CDT, "Norton, Thomas (Network Services)" wrote: > > Awesome! That’s good to hear. > Kind of mean to celebrate another man's burning of hamburger..... :):) -- Julian Y. Koh Associate Director, Telecommunications and Network Services

Re: [WIRELESS-LAN] Disabling LEDs on APs

2016-09-08 Thread Julian Y Koh
Heh. <http://www.networkworld.com/article/3117216/mobile-wireless/lights-out-why-it-shops-are-disabling-wireless-ap-leds.html> -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2001 Sheridan Road #G-166 Evanston, IL 60208

Re: [WIRELESS-LAN] Disabling LEDs on APs

2016-09-06 Thread Julian Y Koh
ow all the conversations went, but when we did a redesign to start moving the APs into the residence hall rooms, we turned off the lights on those units. I think we got a couple of reports where residents were wondering if the APs were working, but overall not a big deal. -- Jul

Re: [WIRELESS-LAN] Aruba and Bradford

2016-07-19 Thread Julian Y Koh
tration, and quarantining for wireless. Also works fine for those purposes. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2001 Sheridan Road #G-166 Evanston, IL 60208 +1-847-467-5780 Northwestern IT Web

Re: [WIRELESS-LAN] Aruba Controller code recommendations

2016-06-16 Thread Julian Y Koh
.3.9 and the > latest ED version is 6.4.4.8. We're running 6.4.3.3. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2001 Sheridan Road #G-166 Evanston, IL 60208 +1-847-467-5780 Northwestern IT Web Site: <http://www.it.

Re: [WIRELESS-LAN] Who wifi vendors does everyone use?

2016-03-31 Thread Julian Y Koh
On Thu Mar 31 2016 21:31:37 CDT, "Whelan, Robert" wrote: > > Northeastern is Aruba with over 3700 APs. Oh fine, I can't resist after that. Northwestern is Aruba with a little over 5000 APs. :) :) -- Julian Y. Koh Associate Director, Telecommunications and Network

Re: [WIRELESS-LAN] Who wifi vendors does everyone use?

2016-03-30 Thread Julian Y Koh
information? :) -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2001 Sheridan Road #G-166 Evanston, IL 60208 +1-847-467-5780 NUIT Web Site: <http://www.it.northwestern.edu/> PGP Public Key:<http://bt.ittns.no

Re: [WIRELESS-LAN] Cisco WLC5508

2016-03-25 Thread Julian Y Koh
afe" they think a given release might be for general deployments. i.e., unless you don't need the specific bug fix or feature that's in version X.Y right now, it's safer to hold off until X.Y.Z or until X.Y has been out in field for a while when it will be designated as "

Re: [WIRELESS-LAN] Typical Registration Numbers for Guest Wireless Service?

2016-03-10 Thread Julian Y Koh
1000-1100 registration events per day on a weekday during the school year. We peak at about 2000 simultaneous devices on the guest wireless network on those days, with ~8000 unique devices seen per week. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern

Re: [WIRELESS-LAN] Open Networks in Resnet

2016-03-02 Thread Julian Y Koh
stern (no encryption/authentication to associate, captive portal registration for 7 days of access, bandwidth/port/protocol restrictions) -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2001 Sheridan Road #G-166 Evanston, IL 60208 +1-847

Re: [WIRELESS-LAN] Current state of DAS in Higher Ed?

2016-02-17 Thread Julian Y Koh
t those signals can get into these new buildings too. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2001 Sheridan Road #G-166 Evanston, IL 60208 +1-847-467-5780 NUIT Web Site: <http://www.it.northwestern.edu/> PGP Public

wireless-lan@listserv.educause.edu

2016-01-20 Thread Julian Y Koh
n seeing how well the different vendors can actually implement this. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2001 Sheridan Road #G-166 Evanston, IL 60208 847-467-5780 NUIT Web Site: <http://www.it.nort

wireless-lan@listserv.educause.edu

2016-01-20 Thread Julian Y Koh
ur reception-challenged areas. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2001 Sheridan Road #G-166 Evanston, IL 60208 847-467-5780 NUIT Web Site: <http://www.it.northwestern.edu/> PGP Public Key:<http:/

wireless-lan@listserv.educause.edu

2016-01-17 Thread Julian Y Koh
n to be authoritative. Of related interest to us is collecting technical information/documentation on how the different carriers actually implement Wi-Fi calling in terms of what DNS lookups they do, what IP ranges they use to establish their VPN connections, etc etc. -- Julian Y. Koh Associa

Re: [WIRELESS-LAN] Wireless Beacons

2015-11-30 Thread Julian Y Koh
asn't of primary interest. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2001 Sheridan Road #G-166 Evanston, IL 60208 847-467-5780 NUIT Web Site: <http://www.it.northwestern.edu/> PGP Public Key:<http://bt

Re: [WIRELESS-LAN] Wireless Beacons

2015-11-30 Thread Julian Y Koh
one a pilot with one of our schools with 50 beacons - seemed to work pretty well for what they were looking for. Now we are looking at seeing how many other schools/departments might be interested in signing up, since ideally we would like the number of different apps to be as small as possible.

Re: [WIRELESS-LAN] Purpose-Built Wireless Coverage in Stairwells and Elevators

2015-11-18 Thread Julian Y Koh
less communication (cellular or Wifi) works reliably in elevators already, so engineering a solution for wifi in elevators would seem to be of a lower priority overall. It's an interesting engineering exercise for sure though! -- Julian Y. Koh Associate Director, Telecommunications and Networ

Re: [WIRELESS-LAN] Desktop projection to classroom display

2015-10-29 Thread Julian Y Koh
om setting these things up and inadvertently setting them to a non-DFS channel that is already in use. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2001 Sheridan Road #G-166 Evanston, IL 60208 847-467-5780 NUIT Web Site: <http://www

Re: [WIRELESS-LAN] Desktop projection to classroom display

2015-10-27 Thread Julian Y Koh
ince it basically looks like an AP that gets connected to a projector or display. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern Information Technology 2001 Sheridan Road #G-166 Evanston, IL 60208 847-467-5780 NUIT Web Site: <http://www.it.nort

Re: [WIRELESS-LAN] Measuring User Experience

2015-10-22 Thread Julian Y Koh
et resolved by having users update drivers, especially on Windows machines where the manufacturer distributes the driver updates, not Microsoft. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern University Information Technology (NUIT) 2001 Sherid

Re: [WIRELESS-LAN] Measuring User Experience

2015-10-22 Thread Julian Y Koh
right wrong solutions for things. If we even do get tickets, the challenge then becomes getting the student to respond to us to set up a time to troubleshoot. Moving forward, we're going to be looking at some targeted surveys this year to see if we can get more actionable data.

Re: [WIRELESS-LAN] Smart TVs and other "smart" devices

2015-09-14 Thread Julian Y Koh
project content and other things. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern University Information Technology (NUIT) 2001 Sheridan Road #G-166 Evanston, IL 60208 847-467-5780 NUIT Web Site: <http://www.it.northwestern.edu/

Re: [WIRELESS-LAN] iPhone hotspots that are on when off.

2015-08-28 Thread Julian Y Koh
ion of the issue and the configurations of my own devices. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern University Information Technology (NUIT) 2001 Sheridan Road #G-166 Evanston, IL 60208 847-467-5780 NUIT Web Site: <http://www.it.northwestern.ed

Re: [WIRELESS-LAN] WiFi Service Level Agreement

2015-08-26 Thread Julian Y Koh
f you have a single AP out in most of our buildings, there's still some residual connectivity available from other nearby APs. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern University Information Technology (NUIT) 2001 Sheridan Road #G-166

Re: [WIRELESS-LAN] Apple OSX 10.11 beta

2015-07-27 Thread Julian Y Koh
ears to be some discrepancy at least in the docs. We had to upgrade both ClearPass (6.5.2 plus a patch) and our Aruba controller code (6.4.2.9) to get both iOS 9 and OS X 10.11 to work with our 802.1X network. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwes

Re: [WIRELESS-LAN] New Wi-Fi technology will make phones ‘aware’ of their surroundings

2015-07-14 Thread Julian Y Koh
al chatter, ignoring messages from all other apps.” was to laugh just a bit to myself. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern University Information Technology (NUIT) 2001 Sheridan Road #G-166 Evanston, IL 60208 847-467-5780 NUIT Web Site: <h

802.11n frame aggregation vulnerability

2015-07-02 Thread Julian Y Koh
-MPDUs, the use of Language-theoretic security (LangSec) stacks, modulation switching, and the use of deep packet inspection.” Comments? -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern University Information Technology (NUIT) 2001 Sheridan Road #G-166 E

Manager of Network Engineering and Services position at NU

2015-06-11 Thread Julian Y Koh
parties should go to <http://www.northwestern.edu/hr/jobs/> and search for job ID 25740. -- Julian Y. Koh Associate Director, Telecommunications and Network Services Northwestern University Information Technology (NUIT) 2001 Sheridan Road #G-166 Evanston, IL 60208 847-467-5780 NUIT We

Re: [WIRELESS-LAN] Looking for interest among Wi-Fi professionals

2015-03-18 Thread Julian Y Koh
On Wed Mar 18 2015 15:26:27 CDT, Chuck Enfield wrote: > > We all know you're advancing up the career ladder. No need to rub it in. Eek. I totally didn’t mean it that way. Apologies! -- Julian Y. Koh Acting Associate Director, Telecommunications and Network Services Northwestern

Re: [WIRELESS-LAN] Looking for interest among Wi-Fi professionals

2015-03-18 Thread Julian Y Koh
these things anyway if they’re going to be talking about deep down details of specific technologies. :) -- Julian Y. Koh Acting Associate Director, Telecommunications and Network Services Northwestern University Information Technology (NUIT) 2001 Sheridan Road #G-166 Evanston, IL 60208 847-467-5

Re: [WIRELESS-LAN] Apple watch wifi

2015-03-12 Thread Julian Y Koh
om my iPhone 802.11b/g only. Yay, more 2.4GHz! :) -- Julian Y. Koh Acting Associate Director, Telecommunications and Network Services Northwestern University Information Technology (NUIT) 2001 Sheridan Road #G-166 Evanston, IL 60208 847-467-5780 NUIT Web Site: <http://www.it.northwestern.

Re: [WIRELESS-LAN] HP is reportedly trying to buy Aruba Networks

2015-02-26 Thread Julian Y Koh
On Wed Feb 25 2015 15:07:31 CST, Trent Hurt wrote: > > http://mvnoblog.com/hp-is-reportedly-trying-to-buy-aruba-networks/ <http://www.networkworld.com/article/2889293/wireless/report-hp-to-buy-aruba-for-wireless-tech.html> Lee’s not going to be on HP’s Christmas card list… :)

Re: [WIRELESS-LAN] latest from FCC on de-authing Mi-Fi

2015-02-11 Thread Julian Y Koh
e-fcc-for-wi-fi-blocking.html One thing that I haven’t seen mentioned (or it’s just as likely that I missed it) is the situation where a user’s AP is configured to broadcast the same network name as one of our SSIDs. Is there justification to use deauth as a protective measure in those cases? -- Julia

Re: [WIRELESS-LAN] USB / Electric charging stations

2015-01-27 Thread Julian Y Koh
e Juice Pack for my phone that Apple decided to give me one day after they said they had kept me on hold for too long. -- Julian Y. Koh Acting Associate Director, Telecommunications and Network Services Northwestern University Information Technology (NUIT) 2001 Sheridan Road #G-166 Evanston, IL 60

Re: [WIRELESS-LAN] Trying to get the Wi-Fi Alliance's Attention

2015-01-23 Thread Julian Y Koh
On Fri Jan 23 2015 14:25:29 CST, "Hinson, Matthew P" wrote: > > Cleared the chain of nested replies :):) -- Julian Y. Koh Acting Associate Director, Telecommunications and Network Services Northwestern University Information Technology (NUIT) 2001 Sheridan Road #G-

Re: [WIRELESS-LAN] Trying to get the Wi-Fi Alliance's Attention

2015-01-22 Thread Julian Y Koh
for a little self-promotion, Lee. :) Although you also deserve a bit of mocking for the use of “Class C subnet.” :):):) -- Julian Y. Koh Acting Associate Director, Telecommunications and Network Services Northwestern University Information Technology (NUIT) 2001 Sheridan Road #G-166 Evanston

Re: [WIRELESS-LAN] Meru Networks In Financial Trouble

2015-01-22 Thread Julian Y Koh
s easier with a smaller one. -- Julian Y. Koh Acting Associate Director, Telecommunications and Network Services Northwestern University Information Technology (NUIT) 2001 Sheridan Road #G-166 Evanston, IL 60208 847-467-5780 NUIT Web Site: <http://www.it.northwestern.

Re: [WIRELESS-LAN] WLAN design presentation tips?

2014-10-21 Thread Julian Y Koh
improved coverage and capacity. Then the powers that be were sold on the design. -- Julian Y. Koh Acting Associate Director, Telecommunications and Network Services Northwestern University Information Technology (NUIT) 2001 Sheridan Road #G-166 Evanston, IL 60208 847-467-5780 NUIT Web Site: <ht

Re: [WIRELESS-LAN] iOS8 and randomized mac addresses

2014-09-27 Thread Julian Y Koh
off for random MAC addresses to be used. <http://www.powerpage.org/ios-8s-mac-randomization-requires-cellular-data-location-services-to-be-disabled/> <http://blog.airtightnetworks.com/ios8-mac-randomization-analyzed/> <http://blog.airtightnetworks.com/ios8-mac-randomgate/>

Re: [WIRELESS-LAN] 802.1x Certificates for RADIUS

2014-09-24 Thread Julian Y Koh
On Wed Sep 24 2014 15:07:33 CDT, Jason Wang wrote: > I'm curious which CA's you are using for your RADIUS servers for your 802.1x > implementations. We use the Comodo certs available via InCommon. -- Julian Y. Koh Acting Associate Director, Telecommunications and

iOS 8 and Wi-Fi Calling?

2014-09-23 Thread Julian Y Koh
that people can share would be very useful. Thanks! -- Julian Y. Koh Acting Associate Director, Telecommunications and Network Services Northwestern University Information Technology (NUIT) 2001 Sheridan Road #G-166 Evanston, IL 60208 847-467-5780 NUIT Web Site: <http://www.it.northwestern.

Re: [WIRELESS-LAN] guest wireless

2014-09-12 Thread Julian Y Koh
/guest-wireless/> We offer eduroam services, which are not bandwidth or port/protocol limited. -- Julian Y. Koh Acting Associate Director, Telecommunications and Network Services Northwestern University Information Technology (NUIT) 2001 Sheridan Road #G-166 Evanston, IL 60208 847-467-

Re: [WIRELESS-LAN] Power Management

2014-09-08 Thread Julian Y Koh
> We rolled this functionality into a home-built tool for switch management and port provisioning that uses SNMP. -- Julian Y. Koh Acting Associate Director, Telecommunications and Network Services Northwestern University Information Technology (NUIT) 2001 Sheridan Road #G-166 Evanston, IL 6

Re: [WIRELESS-LAN] Wireless Printing

2014-08-01 Thread Julian Y Koh
On Fri Aug 01 2014 06:46:11 CDT, "Osborne, Bruce W (Network Services)" wrote: > Aruba’s system for personal devices sets up a software-defiled network Pun…..intended? :) -- Julian Y. Koh Acting Associate Director, Telecommunications and Network Services Northwestern Universit

Re: [WIRELESS-LAN] Apple TV display mirroring spectrum use in HD wifi

2014-03-12 Thread Julian Y Koh
On Wed Mar 12 2014 15:11:34 CDT, Julian Y Koh wrote: > I don’t think that all AppleTV units have Bluetooth. I’m not exactly sure > which revs do or don’t offhand unfortunately. Another thing is that I would imagine that both the iOS device and the AppleTV need to be able to reach each

Re: [WIRELESS-LAN] Apple TV display mirroring spectrum use in HD wifi

2014-03-12 Thread Julian Y Koh
y. Bluetooth enabled. > I don’t think that all AppleTV units have Bluetooth. I’m not exactly sure which revs do or don’t offhand unfortunately. -- Julian Y. Koh Acting Associate Director, Telecommunications and Network Services Northwestern University Information Technology (NUIT) 2001 Sheri

Re: [WIRELESS-LAN] Google Glass experiences

2014-03-06 Thread Julian Y Koh
h that is basically what we did too. -- Julian Y. Koh Acting Associate Director, Telecommunications and Network Services Northwestern University Information Technology (NUIT) 2001 Sheridan Road #G-166 Evanston, IL 60208 847-467-5780 NUIT Web Site: <http://www.it.northwestern.edu/> PGP P

Re: [WIRELESS-LAN] Mavericks update

2014-02-25 Thread Julian Y Koh
sible that the roaming/certificate issue is fixed in the Certificate Trust Policy item. Or as we’ve all seen it may not be mentioned specifically anywhere. -- Julian Y. Koh Acting Associate Director, Telecommunications and Network Services Northwestern University Information Technology

Re: [WIRELESS-LAN] How many drops 802.11ac phase 2

2014-02-09 Thread Julian Y Koh
and even more especially in construction settings where propagation is challenging? -- Julian Y. Koh Acting Associate Director, Telecommunications and Network Services Northwestern University Information Technology (NUIT) 2001 Sheridan Road #G-166 Evanston, IL 60208 847-467-5780 NUIT Web Si

Re: [WIRELESS-LAN] How many drops 802.11ac phase 2

2014-02-07 Thread Julian Y Koh
ired ports already. How they divide up traffic between those ports varies. -- Julian Y. Koh Acting Associate Director, Telecommunications and Network Services Northwestern University Information Technology (NUIT) 2001 Sheridan Road #G-166 Evanston, IL 60208 847-467-5780 NUIT Web Site: <http

Re: [WIRELESS-LAN] OS X 802.1x auth issue

2014-01-18 Thread Julian Y Koh
advising folks to set trust settings on all the certs in the chain... -- Julian Y. Koh Acting Associate Director, Telecommunications and Network Services Northwestern University Information Technology (NUIT) 2001 Sheridan Road #G-166 Evanston, IL 60208 847-467-5780 NUIT Web Si

Re: [WIRELESS-LAN] Guest Network Access Policy

2014-01-16 Thread Julian Y Koh
to access resources that are restricted to the campus network. -- Julian Y. Koh Acting Associate Director, Telecommunications and Network Services Northwestern University Information Technology (NUIT) 2001 Sheridan Road #G-166 Evanston, IL 60208 847-467-5780 NUIT Web Site: <http://www.it.northw

Re: [WIRELESS-LAN] Wireless Migration plan

2014-01-16 Thread Julian Y Koh
. We migrated from one vendor to another over a period of a couple of years. As you said, we did a building at a time, and it wasn’t too horrible to deal with managing two systems over that limited period of time. Of course, back then our wireless footprint was a lot smaller than it is today.

Re: [WIRELESS-LAN] WiFi planning spin-off - Student provided wifi

2013-12-16 Thread Julian Y Koh
On Dec 16, 2013, at 06:39 , Osborne, Bruce W (Network Services) wrote: > > Aruba already has their product on the market – the AP93H. > > http://www.arubanetworks.com/products/access-points/ap-93h/ Biggest difference though is that it’s not dual band. -- Julian Y. Koh Acti

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