RE: [WIRELESS-LAN] Windows loosing gateway connection on 5520 with 3800's

[Legge, Jeffry]

I changed dynamic channel width from best to 20Mhz and this seems to have 
solved my problem. Thanks for the suggestions.

From: The EDUCAUSE Wireless Issues Constituent Group Listserv 
[mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] On Behalf Of Samuel Clements
Sent: Thursday, August 25, 2016 12:34 PM
To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
Subject: Re: [WIRELESS-LAN] Windows loosing gateway connection on 5520 with 
3800's

Checking to see if you can ping the VIP of the WLC will let you know if's an RF 
issue (likely) or something between the AP and the WLC (unlikely). If it's an 
'in air' issue, it could be anything from changing channels, interference, 
radio resets, or just plain old Windows being dumb about life (and anything in 
between). In short, make sure you're not incurring an excessive number of 
channel changes (check Prime for that) and then we'll likely need additional 
info.
  -Sam

On Thu, Aug 25, 2016 at 11:11 AM, Legge, Jeffry 
<jgle...@radford.edu<mailto:jgle...@radford.edu>> wrote:
Have not been able to get debugs cause I was made aware of the problem after 
the fact. I am on version 8.2.121.0.  It seems to be on Windows 10 boxes mostly 
but I have seen it on Windows 8.1. It’s not real often now but students to 
arrive until tomorrow.

From: The EDUCAUSE Wireless Issues Constituent Group Listserv 
[mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU<mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU>]
 On Behalf Of Samuel Clements
Sent: Thursday, August 25, 2016 10:16 AM
To: 
WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU<mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU>
Subject: Re: [WIRELESS-LAN] Windows loosing gateway connection on 5520 with 
3800's

What version of code are you using? Can you ping the virtual IP of the WLC 
(192.0.2.1, or whatever it's set to)? How reproducible/common is it? Can you 
get a client debug off of the WLC at the time of failure?
  -Sam

On Thu, Aug 25, 2016 at 9:12 AM, Legge, Jeffry 
<jgle...@radford.edu<mailto:jgle...@radford.edu>> wrote:
I am seeing Windows 10 clients lose their connection to gateway. I have a new 
5520 controller with 3802’s. The cisco Anyconnect gets error message saying it 
cannot reach policy manager. I ping the gateway and DNS server but do not get a 
response. Is anyone experiencing this problem?
** 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/.

Re: [WIRELESS-LAN] Windows loosing gateway connection on 5520 with 3800's

[Slone, Kelly]

We have a TAC open on this issue that have made little progress on this mostly 
due to my part.  I’ve put the pause button on troubleshooting to a certain 
degree with the semester startup.  I’ve not been able to devote time to this 
issue.  As a workaround TAC has suggested and I’ve found to be accurate that 
this appears to typically only be effecting intel chipsets.  Make sure you are 
at the latest driver version and change the HT mode setting under the advanced 
tab of the driver.  The default should be VHT mode.  Change this from VHT to 
HT.  This will disable AC but will improve client stability till a resolution 
is reach.

Thanks,

Kelly Slone, B.S., MCP
Telecom Specialist II
Marshall University Information Technology
Drinko Library DL 420
Office:  304-696-6109
Helpdesk:  304-696-3200
slon...@marshall.edu<mailto:slon...@marshall.edu>

On Aug 25, 2016, at 4:45 PM, Legge, Jeffry 
<jgle...@radford.edu<mailto:jgle...@radford.edu>> wrote:



From: The EDUCAUSE Wireless Issues Constituent Group Listserv 
[mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] On Behalf Of Jeffrey D. Sessler
Sent: Thursday, August 25, 2016 2:53 PM
To: 
WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU<mailto:WIRELESS-LAN@listserv.educause.edu>
Subject: Re: [WIRELESS-LAN] Windows loosing gateway connection on 5520 with 
3800's

Do you have other WAPs to test against i.e. is it specific to the 3802’s or 
does it happen on older models too? Seems to be 3802’s on new 5520 only.
Is this happening when the Win 10 machine roams to another WAP, or does it 
happen when stationary and anchored to one WAP?Not sure but I think it is both 
cases.
Is this an open WLAN or is authentication involved? 802.1x AES WPA2 
authentication
Are the Win 10 clients all the same e.g. Dell with Intel card, or a random mix? 
I do not have enough cases to know. I have seen two that ar Lenevo with Windows 
10. I sometimes get it with my Lenevo Yoga on Windows 8.1.
Are all Win 10 clients seeing this? If not, Is MAC address randomization 
enabled on the ones that are? Are they running the new Win 10 anniversary 
edition? Don’t know how do I tell.

Does it only happen only after Anyconnect is used i.e. if you don’t 
startup/connect, does the problem manifest itself? Are you using the latest 
Anyconnect 4.x client? I think it may only occur when anyconnect is connected. 
We are using version 4.2.04039.

Getting debugs is probably the best.  I’ll get next debugs next time I see and 
active problem or one that is repeatable.

Jeff



From: 
"wireless-lan@listserv.educause.edu<mailto:wireless-lan@listserv.educause.edu>" 
<WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU<mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU>> 
on behalf of "Legge, Jeffry" <jgle...@radford.edu<mailto:jgle...@radford.edu>>
Reply-To: 
"wireless-lan@listserv.educause.edu<mailto:wireless-lan@listserv.educause.edu>" 
<WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU<mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU>>
Date: Thursday, August 25, 2016 at 7:12 AM
To: 
"wireless-lan@listserv.educause.edu<mailto:wireless-lan@listserv.educause.edu>" 
<WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU<mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU>>
Subject: [WIRELESS-LAN] Windows loosing gateway connection on 5520 with 3800's

I am seeing Windows 10 clients lose their connection to gateway. I have a new 
5520 controller with 3802’s. The cisco Anyconnect gets error message saying it 
cannot reach policy manager. I ping the gateway and DNS server but do not get a 
response. Is anyone experiencing this problem?
** Participation and subscription information for this EDUCAUSE 
Constituent Group discussion list can be found 
athttp://www.educause.edu/groups/.
** Participation and subscription information for this EDUCAUSE 
Constituent Group discussion list can be found 
athttp://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/.

Re: [WIRELESS-LAN] Windows loosing gateway connection on 5520 with 3800's

[Samuel Clements]

If you're using:
802.1x AES WPA2 authentication

Do you have a key caching mechanism enabled (such as CCKM or FT)?
  -Sam

On Thu, Aug 25, 2016 at 3:45 PM, Legge, Jeffry <jgle...@radford.edu> wrote:

>
>
>
>
> *From:* The EDUCAUSE Wireless Issues Constituent Group Listserv [mailto:
> WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] *On Behalf Of *Jeffrey D. Sessler
> *Sent:* Thursday, August 25, 2016 2:53 PM
> *To:* WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
> *Subject:* Re: [WIRELESS-LAN] Windows loosing gateway connection on 5520
> with 3800's
>
>
>
> Do you have other WAPs to test against i.e. is it specific to the 3802’s
> or does it happen on older models too? Seems to be 3802’s on new 5520
> only.
>
> Is this happening when the Win 10 machine roams to another WAP, or does it
> happen when stationary and anchored to one WAP? Not sure but I think it
> is both cases.
>
> Is this an open WLAN or is authentication involved? 802.1x AES WPA2
> authentication
>
> Are the Win 10 clients all the same e.g. Dell with Intel card, or a random
> mix? I do not have enough cases to know. I have seen two that ar Lenevo
> with Windows 10. I sometimes get it with my Lenevo Yoga on Windows 8.1.
>
> Are all Win 10 clients seeing this? If not, Is MAC address randomization
> enabled on the ones that are? Are they running the new Win 10 anniversary
> edition? Don’t know how do I tell.
>
>
>
> Does it only happen only after Anyconnect is used i.e. if you don’t
> startup/connect, does the problem manifest itself? Are you using the latest
> Anyconnect 4.x client? I think it may only occur when anyconnect is
> connected. We are using version 4.2.04039.
>
>
>
> Getting debugs is probably the best.  I’ll get next debugs next time I
> see and active problem or one that is repeatable.
>
>
>
> Jeff
>
>
>
>
>
>
>
> *From: *"wireless-lan@listserv.educause.edu" <WIRELESS-LAN@LISTSERV.
> EDUCAUSE.EDU> on behalf of "Legge, Jeffry" <jgle...@radford.edu>
> *Reply-To: *"wireless-lan@listserv.educause.edu" <WIRELESS-LAN@LISTSERV.
> EDUCAUSE.EDU>
> *Date: *Thursday, August 25, 2016 at 7:12 AM
> *To: *"wireless-lan@listserv.educause.edu" <WIRELESS-LAN@LISTSERV.
> EDUCAUSE.EDU>
> *Subject: *[WIRELESS-LAN] Windows loosing gateway connection on 5520 with
> 3800's
>
>
>
> I am seeing Windows 10 clients lose their connection to gateway. I have a
> new 5520 controller with 3802’s. The cisco Anyconnect gets error message
> saying it cannot reach policy manager. I ping the gateway and DNS server
> but do not get a response. Is anyone experiencing this problem?
>
> ** 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/.

Re: [WIRELESS-LAN] Windows loosing gateway connection on 5520 with 3800's

[Jeffrey D. Sessler]

Do you have other WAPs to test against i.e. is it specific to the 3802’s or 
does it happen on older models too?
Is this happening when the Win 10 machine roams to another WAP, or does it 
happen when stationary and anchored to one WAP?
Is this an open WLAN or is authentication involved?
Are the Win 10 clients all the same e.g. Dell with Intel card, or a random mix?
Are all Win 10 clients seeing this? If not, Is MAC address randomization 
enabled on the ones that are? Are they running the new Win 10 anniversary 
edition?

Does it only happen only after Anyconnect is used i.e. if you don’t 
startup/connect, does the problem manifest itself? Are you using the latest 
Anyconnect 4.x client?

Getting debugs is probably the best.

Jeff


From: "wireless-lan@listserv.educause.edu"  
on behalf of "Legge, Jeffry" 
Reply-To: "wireless-lan@listserv.educause.edu" 

Date: Thursday, August 25, 2016 at 7:12 AM
To: "wireless-lan@listserv.educause.edu" 
Subject: [WIRELESS-LAN] Windows loosing gateway connection on 5520 with 3800's

I am seeing Windows 10 clients lose their connection to gateway. I have a new 
5520 controller with 3802’s. The cisco Anyconnect gets error message saying it 
cannot reach policy manager. I ping the gateway and DNS server but do not get a 
response. Is anyone experiencing this problem?
** 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/.

Re: [WIRELESS-LAN] Windows loosing gateway connection on 5520 with 3800's

[Samuel Clements]

Checking to see if you can ping the VIP of the WLC will let you know if's
an RF issue (likely) or something between the AP and the WLC (unlikely). If
it's an 'in air' issue, it could be anything from changing channels,
interference, radio resets, or just plain old Windows being dumb about life
(and anything in between). In short, make sure you're not incurring an
excessive number of channel changes (check Prime for that) and then we'll
likely need additional info.
  -Sam

On Thu, Aug 25, 2016 at 11:11 AM, Legge, Jeffry <jgle...@radford.edu> wrote:

> Have not been able to get debugs cause I was made aware of the problem
> after the fact. I am on version 8.2.121.0.  It seems to be on Windows 10
> boxes mostly but I have seen it on Windows 8.1. It’s not real often now but
> students to arrive until tomorrow.
>
>
>
> *From:* The EDUCAUSE Wireless Issues Constituent Group Listserv [mailto:
> WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] *On Behalf Of *Samuel Clements
> *Sent:* Thursday, August 25, 2016 10:16 AM
> *To:* WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
> *Subject:* Re: [WIRELESS-LAN] Windows loosing gateway connection on 5520
> with 3800's
>
>
>
> What version of code are you using? Can you ping the virtual IP of the WLC
> (192.0.2.1, or whatever it's set to)? How reproducible/common is it? Can
> you get a client debug off of the WLC at the time of failure?
>
>   -Sam
>
>
>
> On Thu, Aug 25, 2016 at 9:12 AM, Legge, Jeffry <jgle...@radford.edu>
> wrote:
>
> I am seeing Windows 10 clients lose their connection to gateway. I have a
> new 5520 controller with 3802’s. The cisco Anyconnect gets error message
> saying it cannot reach policy manager. I ping the gateway and DNS server
> but do not get a response. Is anyone experiencing this problem?
>
> ** 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/.

RE: [WIRELESS-LAN] Windows loosing gateway connection on 5520 with 3800's

[Legge, Jeffry]

Have not been able to get debugs cause I was made aware of the problem after 
the fact. I am on version 8.2.121.0.  It seems to be on Windows 10 boxes mostly 
but I have seen it on Windows 8.1. It’s not real often now but students to 
arrive until tomorrow.

From: The EDUCAUSE Wireless Issues Constituent Group Listserv 
[mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] On Behalf Of Samuel Clements
Sent: Thursday, August 25, 2016 10:16 AM
To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
Subject: Re: [WIRELESS-LAN] Windows loosing gateway connection on 5520 with 
3800's

What version of code are you using? Can you ping the virtual IP of the WLC 
(192.0.2.1, or whatever it's set to)? How reproducible/common is it? Can you 
get a client debug off of the WLC at the time of failure?
  -Sam

On Thu, Aug 25, 2016 at 9:12 AM, Legge, Jeffry 
<jgle...@radford.edu<mailto:jgle...@radford.edu>> wrote:
I am seeing Windows 10 clients lose their connection to gateway. I have a new 
5520 controller with 3802’s. The cisco Anyconnect gets error message saying it 
cannot reach policy manager. I ping the gateway and DNS server but do not get a 
response. Is anyone experiencing this problem?
** 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/.

Re: [WIRELESS-LAN] Windows loosing gateway connection on 5520 with 3800's

[Samuel Clements]

What version of code are you using? Can you ping the virtual IP of the WLC
(192.0.2.1, or whatever it's set to)? How reproducible/common is it? Can
you get a client debug off of the WLC at the time of failure?
  -Sam

On Thu, Aug 25, 2016 at 9:12 AM, Legge, Jeffry  wrote:

> I am seeing Windows 10 clients lose their connection to gateway. I have a
> new 5520 controller with 3802’s. The cisco Anyconnect gets error message
> saying it cannot reach policy manager. I ping the gateway and DNS server
> but do not get a response. Is anyone experiencing this problem?
> ** 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/.