RE: [WIRELESS-LAN] CWNA training

2015-07-23 Thread Hinson, Matthew P 
I'd recommend the Official Study Guide by Sybex. It's written by David Coleman 
and David Westcott. I was able to pass the exam by a healthy margin simply by 
reading and re-reading that book.

The Davids do not "teach for the test". They absolutely stress that you need a 
strong functional knowledge of 802.11 concepts rather than "know these five 
items to pass the test".

Relatively speaking, it's cheap, and I highly recommend it. I didn't 
personally utilize a training course because of how well done the book was.

-Original Message-
From: The EDUCAUSE Wireless Issues Constituent Group Listserv 
[mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] On Behalf Of Jason Becker
Sent: Thursday, July 23, 2015 1:12 PM
To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
Subject: [WIRELESS-LAN] CWNA training

Looking for reviews on the CWNA training course?  Any recommendations on who 
to go through?

Thanks in advance,

--
Jason Becker
Network Systems Engineer,
Network Planning and Services
Tel:(314)935-5006

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smime.p7s
Description: S/MIME cryptographic signature

CWNA training

2015-07-23 Thread Jason Becker 
Looking for reviews on the CWNA training course?  Any recommendations on 
who to go through?


Thanks in advance,

--
Jason Becker
Network Systems Engineer,
Network Planning and Services
Tel:(314)935-5006

**
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discussion list can be found at http://www.educause.edu/groups/.

RE: [WIRELESS-LAN] SSID jumping with Win 8.1 (Surface Pro 3) on Aruba

2015-07-23 Thread David Gillett 
  I typically see that 30-50% of devices which associate and get a DHCP lease 
from our wireless networks never log onto the portal and actually use the 
wireless connection...  This apparently includes many devices which remain on 
campus (plugged in to charge?) overnight.  (Our guest network does have a 
portal, it just doesn't do any stringent authentication...)

David Gillett
CISSP CCNP

-Original Message-
From: The EDUCAUSE Wireless Issues Constituent Group Listserv 
[mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] On Behalf Of Chuck Anderson
Sent: Thursday, July 23, 2015 6:49 AM
To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
Subject: Re: [WIRELESS-LAN] SSID jumping with Win 8.1 (Surface Pro 3) on Aruba

On Thu, Jul 23, 2015 at 11:17:25AM +, Osborne, Bruce W (Network Services) 
wrote:
> That may be the issue. Our Guest SSID has a portal, but for a while we ran an 
> open SSID with no portal.
> With no portal, we quickly found DHCP scopes filling up due to mobile devices 
> constantly associating, checking for Internet access as they roamed around 
> campus.

Even with a portal, don't devices still get a DHCP lease?  We had to deal with 
this by making our subnet and DHCP scope large enough for any potential mobile 
devices automatically associating, even if they didn't have credentials for the 
portal.

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Re: [WIRELESS-LAN] SSID jumping with Win 8.1 (Surface Pro 3) on Aruba

2015-07-23 Thread Chuck Anderson 
On Thu, Jul 23, 2015 at 11:17:25AM +, Osborne, Bruce W (Network Services) 
wrote:
> That may be the issue. Our Guest SSID has a portal, but for a while we ran an 
> open SSID with no portal.
> With no portal, we quickly found DHCP scopes filling up due to mobile devices 
> constantly associating, checking for Internet access as they roamed around 
> campus.

Even with a portal, don't devices still get a DHCP lease?  We had to
deal with this by making our subnet and DHCP scope large enough for
any potential mobile devices automatically associating, even if they
didn't have credentials for the portal.

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RE: SSID jumping with Win 8.1 (Surface Pro 3) on Aruba

2015-07-23 Thread Osborne, Bruce W (Network Services) 
Matthew,

That may be the issue. Our Guest SSID has a portal, but for a while we ran an 
open SSID with no portal.
With no portal, we quickly found DHCP scopes filling up due to mobile devices 
constantly associating, checking for Internet access as they roamed around 
campus.

​

Bruce Osborne
Wireless Engineer
IT Infrastructure & Media Solutions

(434) 592-4229

LIBERTY UNIVERSITY
Training Champions for Christ since 1971

From: Hinson, Matthew P [mailto:matthew.hin...@vikings.berry.edu]
Sent: Wednesday, July 22, 2015 10:17 AM
Subject: Re: SSID jumping with Win 8.1 (Surface Pro 3) on Aruba

I’ve seen my test laptop (Latitude D630 + Intel 7260-AC) with Windows 10 Tech 
Preview on it do this. I think the enabled-by-default Wi-Fi Sense feature that 
seeks out open Wi-Fi is the culprit, at least for me.

I really have to question the logic of having a computer auto-connect to any 
unsecured network that it comes across…. After connecting to our .1X network, 
it usually stays there, but at first boot if the EAP auth takes more than a few 
seconds it gives up and goes for the guest network even though I’ve deleted the 
profile for said guest network.

From: The EDUCAUSE Wireless Issues Constituent Group Listserv 
[mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] On Behalf Of Chuck Enfield
Sent: Wednesday, July 22, 2015 9:03 AM
To: 
WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
Subject: Re: [WIRELESS-LAN] SSID jumping with Win 8.1 (Surface Pro 3) on Aruba

I’m having similar problem on a Win7 SP1 laptop.  When I enable my wireless 
adapter it connects to our guest network instead of our 802.1X network.  The 
order of the profiles in the network list doesn’t matter, and even deleting the 
guest network profile doesn’t help.  Once I manually choose the 1x network it 
doesn’t generally “jump” to guest, but I recall that happening at least once.  
My theory was that my connection dropped, giving my machine a chance to 
exercise its newly-found preference for the guest network over all others.  I 
don’t have this problem on any other devices, and I haven’t heard any reports 
from anybody else yet, so I assumed my laptop was the problem.  That said, the 
laptop was problem-free for years.  If the problem coincided with an AOS 
upgrade, I failed to make the connection.

When I thought this was just a problem with my laptop I opted to work around 
it, but maybe it deserves some attention.  Windows devices make up a modest 
percentage of our wireless clients, so others could be having the same 
experience and word just hasn’t reached me yet.  I’ll get a packet capture next 
time I put this device on the Wi-Fi.  If I turn up anything suspicious I’ll 
post to the group.


Chuck Enfield

Manager, Wireless Systems & Engineering

Telecommunications & Networking Services

The Pennsylvania State University

110H, USB2, UP, PA 16802

ph: 814.863.8715

fx: 814.865.3988


From: The EDUCAUSE Wireless Issues Constituent Group Listserv 
[mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] On Behalf Of Osborne, Bruce W 
(Network Services)
Sent: Wednesday, July 22, 2015 7:27 AM
To: 
WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
Subject: Re: [WIRELESS-LAN] SSID jumping with Win 8.1 (Surface Pro 3) on Aruba

I have not seen this here at Liberty University with our Aruba 6.3.1.16 
network. We will be moving to 6.4 soon.

In fact, I use a Surface Pro 3 as my daily computer.

​

Bruce Osborne
Wireless Engineer
IT Infrastructure & Media Solutions

(434) 592-4229

LIBERTY UNIVERSITY
Training Champions for Christ since 1971

From: David Gillett [mailto:gillettda...@fhda.edu]
Sent: Tuesday, July 21, 2015 4:37 PM
Subject: SSID jumping with Win 8.1 (Surface Pro 3) on Aruba

  Anybody else seen this?  I’ve seen devices reconnect to the sane SSID as a 
previous session, and I believe I’ve seen them connect to an SSID that was “the 
only one visible.”  But twice now, I’ve seen my Surface Pro 3, in the midst of 
logging in to our “primary” SSID, suddenly bring up the login page for our 
secondary “guest” Wi-Fi service, to which it had never previously been 
connected….
  Is this a Windpws 8.1 (mis)feature?  An Aruba bug?  A quirk of the wireless 
interface chip Microsoft chose to use in he Surface Pro 3?
   Or perhaps something else, stranger than I can imagine?

David Gillett CISSP CCNP

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