Jason keep up the good work .. We appreciate you man ... 


George Stefanick


On Feb 17, 2011, at 7:32 PM, Jason Boyers <[email protected]> wrote:

> I should add to this (written after taking a red-eye flight.)  I was bothered 
> by how I thought that the network user parameter worked, not by anyone.  And, 
> someone was kind enough to point out the purpose of the network user 
> parameter to me.
>  
> Now, there is a scenario (at least one) which does require that the network 
> user parameter be checked.  If you are authenticating APs to WLC using a 
> RADIUS server, you must select it.  That can cause complications if there are 
> requirements for Local EAP, but it can be worked around :)
>  
> Jason Boyers - CCIE #26024 (Wireless)
> Technical Instructor - IPexpert, Inc.
> Mailto: [email protected]
> 
> On Thu, Feb 17, 2011 at 6:02 AM, Jason Boyers <[email protected]> wrote:
> Glad it was helpful to you :). That had bothered me as well, so you're not 
> alone.
> 
> Jason Boyers - CCIE #26024 (Wireless)
> Technical Instructor - IPexpert
> [email protected]
> 
> On Feb 17, 2011, at 3:30 AM, "Silverline,Tim" <[email protected]> wrote:
> 
>> Thanks Dominic.  I sent a follow up email shortly after this pointing out my 
>> oversight as I read the final solution.
>> 
>>  
>> 
>> I was very quick to react (in poor judgment apparently) since this specific 
>> issue has bothered and puzzled me for quite some time.  In fact I brought it 
>> up in a CCIE wireless bootcamp I recently attended (I won’t name the vendor 
>> because the class was a large disappointment) and many other locations 
>> including several Cisco wireless sessions and was never once provided this 
>> guidance.
>> 
>>  
>> 
>> I am very grateful to have learned this new detail and happy that Jason 
>> included it in this workbook.
>> 
>>  
>> 
>> Tim
>> 
>>  
>> 
>> From: Stalder Dominic [mailto:[email protected]] 
>> Sent: Wednesday, February 16, 2011 11:14 PM
>> To: Silverline,Tim; [email protected]
>> Subject: Re: [CCIE Wireless] LAB 4.6 Observation
>> 
>>  
>> 
>> Hi Tim
>> 
>> Your are absolutly right concerning the fact, that WLC uses RADIUS if a 
>> server is configured globally, even it is not specified under security in 
>> the WLAN profile. But the solution for IPX1 ist correct in the DSG, because 
>> of this statement:
>> 
>> “To ensure that users on IPX1 are not authenticated via RADIUS, make sure 
>> thate the “Network” (User) box is unchecked for the RADIUS server”
>> 
>> You don’t need to completely disable the RADIUS server, you just can disable 
>> the user authentication, so you are still able to authenticate management 
>> users, as an example. See attached screenshot.
>> 
>> Regards
>> Dominic
>> 
>> 
>> Von: "Silverline,Tim" <[email protected]>
>> Datum: Wed, 16 Feb 2011 23:49:12 -0600
>> An: "[email protected]" <[email protected]>
>> Betreff: [CCIE Wireless] LAB 4.6 Observation
>> 
>> Part of the IPX1 configuration states:  “Ensure that users won’t be able to 
>> use RADIUS for authentication”
>>  
>> The DSG shows this is accomplished by simply not selecting RADIUS servers 
>> under the AAA policy within the IPX1 WLAN.
>>  
>> Just wanted to point out that this is not actually a valid method of 
>> ensuring RADIUS is not used on Cisco’s controllers.
>>  
>> Something that has been frustrating to me about WLCs for quite some time – 
>> even if no RADIUS servers are selected within a particular WLAN – the 
>> controller will still attempt to authenticate to a RADIUS server from the 
>> authentication servers listed under the security tab.
>>  
>> The only way to actually prevent this is by removing every single RADIUS 
>> server from the controller thereby disabling RADIUS authentication entirely.
>>  
>> I do not believe this has been fixed even in the latest versions of code 
>> (though I have not tested on 7.x and later).
>>  
>> 
>> 
>> _______________________________________________
>> For more information regarding industry leading CCIE Lab training, please 
>> visit www.ipexpert.com
>> 
> 
>> _______________________________________________
>> For more information regarding industry leading CCIE Lab training, please 
>> visit www.ipexpert.com
> 
> _______________________________________________
> For more information regarding industry leading CCIE Lab training, please 
> visit www.ipexpert.com
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