CSCsq87549/CSCsq63106(memory leaks)  Sorry that is the issue within
4.2.130

 

CSCsx07878-Client devices no longer intermittently fail to log into a
WLAN with web authentication (webauth).  This one broke us in 4.2.176.
We are using the internal web re-direct for authentication.  This does
not work properly in 4.2.176.  

 

 

http://www.cisco.com/en/US/docs/wireless/controller/release/notes/crn422
05D3MR4.html

The fix for this is in 4.2.205.

 

Sorry for the confusion.

 

-Doug

 

 

Douglas Bentley | University IT/NC Network Engineering 

University of Rochester | 727 Elmwood Ave.| Rochester, NY 14620

T: 585.275.6550 | Email: [email protected]
<mailto:[email protected]> 

 

        <http://www.rochester.edu/> 

 

-----Original Message-----
From: The EDUCAUSE Wireless Issues Constituent Group Listserv
[mailto:[email protected]] On Behalf Of Brandon Pinsky
Sent: Tuesday, June 30, 2009 10:05 AM
To: [email protected]
Subject: Re: [WIRELESS-LAN] 3750G and 1131

 

Does anyone have a BugID for the memory leak issue in 4.2.176?  Thanks,

 

--------------

B.J. Pinsky

Manager, Core Resources

New York Presbyterian Hospital

Columbia University Medical Center

(o): 212-305-9021

(m): 917-626-9485

[email protected]

630 W. 168th Street

PH18-126

NY, NY 10032

 

On Jun 30, 2009, at 8:14 AM, Bentley, Douglas wrote:

 

> I completely agree with the 4.2.176 statement.  We are having the  

> same issue with the memory leak on our 14 controllers.  After a  

> month of testing, we are upgrading to 4.2.205 at 5am tomorrow.

> 

> -Doug

> 

> 

> 

> 

> Douglas Bentley | University IT/NC Network Engineering

> University of Rochester | 727 Elmwood Ave.| Rochester, NY 14620

> T: 585.275.6550 | Email: [email protected]

> 

>       <image002.jpg>

> 

> From: The EDUCAUSE Wireless Issues Constituent Group Listserv
[mailto:[email protected] 

> ] On Behalf Of Justin Hao

> Sent: Monday, June 29, 2009 11:50 PM

> To: [email protected]

> Subject: Re: [WIRELESS-LAN] 3750G and 1131

> 

> Howdy,

> 

> regarding 4.2.176 i can absolutely positively NOT recommend it as a  

> stable code base, 4.2.205 is a direct release containing a critical  

> bugfix that we had a direct hand in "motivating" cisco to fix  

> promptly.

> 

> 4.2.176 contains a memory leak in involving mobility groups of size  

> (our setup is approximately 1700 APs with 18 controllers).  This  

> memory leak is fatal, the general gist is that stateful information  

> regarding mobility clients isn't released properly from memory as  

> clients come/go, thus driving memory usage on controllers constantly  

> up until they crash ungracefully with little or no crash/log  

> information, controllers also take an inordinate (20+ minutes)  

> amount of time to recover from the crash, i presume because they're  

> attempting to log crash data and there isn't any memory available  

> for that.  We observed controllers cycle to 98-99% memory every 8  

> weeks until they crashed.  Working with the dev engineer they tested  

> and monitored two of our controllers for several weeks to identify  

> the issue.  I don't know the "critical" size or number of APs/ 

> controllers required to have this be a noticeable issue, but  

> ungraceful controller reboots occurred every 8 weeks with our setup.

> 

> We are currently running 4.2.205 and haven't experienced an "event"  

> anymore, so i'd recommend 4.2.205 if you need to run 4.2.x code, we  

> haven't had any experience with any 5.x code at all at this time,  

> since cisco pulled support for the 10xx series APs from anything  

> newer than 4.x.

> 

> --------

> Justin Hao

> Texas A&M University

> Network Group

> (979)862-2162

> [email protected]

> --------

> 

> On Jun 29, 2009, at 7:50 PM, Mike King wrote:

> 

> 

> Both 4.2.205 and 4.2.176 have been designated as:

> 

> AssureWave The Cisco(r) AssureWave program focuses on satisfying  

> customer quality requirements in critical vertical  markets in the  

> wireless space. This program links and expands on product testing  

> conducted within development engineering, regression testing, and  

> systems test groups within Cisco. AssureWave certification marks the  

> successful completion of extensive integrity testing that validates  

> targeted releases.  In addition, Cisco's AssureWaveprogram ensures  

> compatibility with major device and application vendors through  

> established partnerships.  Cisco's partners perform extensive  

> testing at their own facilities to ensure broader interoperability  

> with our ongoing new releases. Learn More

> 

> So I'd feel safe with them.  No higher releases have been certified  

> under this program..

> 

> (Assurewave replace Safeharbor testing for wireless)

> 

> On Mon, Jun 29, 2009 at 4:31 PM, Pham, Loc <[email protected]>  

> wrote:

>    Guys: I am ready to config and test 3750G on a 4.2.205 code

> 

>  Beside this bug, any other good stuffs that I should look for ?  

> CSCsu02630

> 

>  I am also ( tempted ) to go with the 5.2 for CWAPP functionality if  

> time permit....

> 

> Regards,

> 

> 

> Loc Pham, CCIE # 17030 - Sr. Network Staff,

> 

> IT Enterprise Security & Services, UCSF Medical Center.

> 

> Office 415-353-4492 Pager 415-443-9014

> 

> 

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> 

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