Pulling from some dusty mental archives, I recall something similar in our
network: some refreshed Dell GX270 and some new GX620 models wouldn't
authenticate, and never even prompted for credentials. We discovered the
issue was related to the built-in Windows 7 drivers for their respective
NICs. Upgrading to the latest version from Broadcom's website corrected
the problem.
I hadn't seen any mention here of drivers, so thought I'd pass along my
experience.
Derek Johnson | Data Communications Coordinator
FORT HAYS STATE UNIVERSITY
415 Lyman Dr. TH 101, Hays, KS 67601
(785) 628 - 5688 | ***@fhsu.edu
From: Karl Gerling <***@enterasys.com>
To: "Enterasys Customer Mailing List" <***@listserv.unc.edu>
Date: 05/09/2013 12:58 PM
Subject: Re: [enterasys] Wired 802.1x
I have seen behavior like this if the client is set to the default of "use
smart card". Check that the client is set to PEAP.
Karl Gerling
Senior Solutions Engineer
Enterasys Networks
http://about.me/Karl.Gerling
On May 9, 2013, at 1:31 PM, John Kaftan <***@utica.edu> wrote:
Yes I have tried that. I don't believe I see anything when it fails. I
will look again and will also check the syslog.
On Thu, May 9, 2013 at 1:26 PM, Herzog, Gerald <***@enterasys.com>
wrote:
Is there any username that is populated in NAC when it fails
authentication? Have you tried specifying "user authentication"?
<image.png>
On Thu, May 9, 2013 at 1:17 PM, John Kaftan <***@utica.edu> wrote:
It works for me if I go into the network settings and save my credentials.
It also works if I have a machine that is in the domain and I check
"Automatically use my Windows logon name and password". That will cover
90% of my cases.
However, if a machine is not on the domain and connects I expect that I
should be prompted by the supplicant to provide credentials. That is the
part that is not working.
Thanks
John
On Thu, May 9, 2013 at 12:08 PM, Kay Avila <***@uni.edu> wrote:
John, we've only done limited testing, but so far, authenticating with
802.1x AD machine accounts on Windows 7 has worked successfully for us.
Just a thought.
On 5/7/2013 6:31 PM, John Kaftan wrote:
Actually it does work when I have that set. I tried that earlier today.
Often in a university though machines are on the network that are not
part of the AD domain, like the first two I was working with. Its crazy
that Windows won't respond the the first eap packet from the switch
unless credentials are configured to be provided automatically.
Wireless prompts just fine. I did some research and it seems that
802.1x on wired is still unreliable. I found 7 patches to install and
it still doesn't work right. I wonder why wireless is fine but wired
isn't. The protocol has been around since 2002 or so. It should be
fully baked by now.
John
On May 7, 2013 7:11 PM, "Robert Perry" <***@enterasys.com
<mailto:***@enterasys.com>> wrote:
Have a look at this document, it may help. Specifically look at
section 1.1.10 - This would seem what âMIGHTâ be missing ? How
are you disconnecting and reconnecting from the network ? Are you
unplugging the cable ? If you actually logout, you should get
prompted for a new login.
Best of luck !
Best Regards,
Bob Perry
*From:*John Kaftan [mailto:***@utica.edu
<mailto:***@utica.edu>]
*Sent:* Tuesday, May 07, 2013 2:43 PM
*To:* Enterasys Customer Mailing List
*Subject:* Re: [enterasys] Wired 802.1x
That's not good. I want to keep Admin-Edge. I do have 802.1x
listed as first. 802.1x is working just fine if I store my
credentials within the supplicate. My only problem is that I cannot
get prompted by Windows.
On Tue, May 7, 2013 at 1:34 PM, Brian Anderson - ASI
<***@arcadiasecureit.com <mailto:***@arcadiasecureit.com>> wrote:
There may be some switch config settings that might help. Try
setting 8021x as first in priority for authentication. I also have
seen admin-edge enabled on the end system port (spantree) cause
8021x to fail also.
Thanks,
Brian Anderson
***@ArcadiaSecureIT.com <mailto:***@ArcadiaSecureIT.com>
Network Engineer
3000 United Founders Boulevard, Suite 212
Oklahoma City, Oklahoma 73112
C +1 (501) 690-3305 <tel:%2B1%20%28501%29%20690-3305>
F +1 (405) 562-8669 <tel:%2B1%20%28405%29%20562-8669>
arcadia-secure-it2-long-small
*From:*John Kaftan [mailto:***@utica.edu
<mailto:***@utica.edu>]
*Sent:* Tuesday, May 07, 2013 11:17 AM
*To:* Enterasys Customer Mailing List
*Subject:* [enterasys] Wired 802.1x
Working to get 802.1x going on Win 7 wired ports. I have it working
if I save my credentials in Windows. If I don't save my credentials
Windows never prompts me for credentials. Packet captures suggest
that the client never responds to the initial eap packet from the
switch so the switch never sends the challenge. I have the Wired
AutoConfig service running. Any ideas? I've been messing with all
of the settings. I see this happening on two machines both of which
do fine on wireless 802.1x.
I am using B5s and NAC as my RADIUS server.
Thanks
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John Kaftan
IT Infrastructure Manager
Utica College
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John Kaftan
IT Infrastructure Manager
Utica College
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Jerry Herzog
Solutions Engineer
Enterasys Networks, Inc.
A Siemens Enterprise Communications Company
Mobile +1 330 224 6088
E-mail ***@enterasys.com
Twitter: @JerryHerzog
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John Kaftan
IT Infrastructure Manager
Utica College
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