iPhone and Network Disruptions ...

Sun Jul 22 02:27:50 UTC 2007

If that hypothesis is true, I'm surprised I haven't seen it in all  
the analysis I've done with it.  But I don't have any Cisco AP's to  
play with either.

On Jul 21, 2007, at 9:52 PM, Bill Woodcock wrote:

>
>>> Cisco, Duke has now come to see the elimination of the problem,   
>>> see:
>>> "*Duke Resolves iPhone, Wi-Fi Outage Problems"* at
>>> http://www.eweek.com/article2/0,1895,2161065,00.asp
>>
>> Since neither Apple, Cisco nor Duke seems willing to say exactly  
>> what the
>> problem was or what they fixed; not very surprising; it was  
>> probably a
>> "Duh" problem unique to Duke's network.
>
> Nope.  My understanding is that it's an ARP storm, or something  
> similar,
> when the iPhone roams onto a new 802.11 hotspot.  Apple hasn't  
> issued a
> fix yet, so Cisco had to do an emergency patch for some of their  
> larger
> customers.  This is just my understanding based on one conversation  
> about
> it.  I'd feel like an idiot saying "don't quote me" on NANOG,  
> but...  I
> don't have any special knowledge about it, nor personal experience  
> of it,
> so...
>
>                                 -Bill
>