[Kea-users] Change in offer packet

Thomas Andersen than at itu.dk
Thu Oct 20 12:10:28 UTC 2016


Hi Marcin,

Thank you very much for your response.
Now I just have to see if there is anyone here at work who can make that ”trivial” hook :)
(I know I can’t myself)

If anyone on this list have already done this, please let me know ;)

Br,
Thomas


On 20/10/2016, 12.58, "Marcin Siodelski" <marcin at isc.org> wrote:

    Thomas,
    
    This is not configurable, although it could be because RFC2131 says that
    server SHOULD send to broadcast address (rather than MUST).
    
    The only thing I can suggest to you is to use a hook library that clears
    the broadcast flag in all incoming messages (in the packet4_receive hook
    point).
    
    The bad side of things is that you need to create a hook library. The
    good thing is that it is trivial.
    
    Marcin
    
    On 20.10.2016 09:31, Thomas Andersen wrote:
    > Hi,
    > 
    >  
    > 
    > I’m sorry to resend this question, but it is such a big issue that an
    > upgrade of KEA is currently not possible.
    > 
    > I’ve been loking in change log, and I cannot find any note on this
    > change, which I would consider a rather large change.
    > 
    >  
    > 
    > Can someone elaborate on this and tell me if this is intended behavior
    > or if it may be a bug?
    > 
    >  
    > 
    > Or even better, if it is possible to configure my way out of it.
    > 
    >  
    > 
    > Br,
    > 
    > Thomas
    > 
    >  
    > 
    > *From: *Kea-users <kea-users-bounces at lists.isc.org> on behalf of Thomas
    > Andersen <than at itu.dk>
    > *Date: *Monday, 17 October 2016 at 13.56
    > *To: *"kea-users at lists.isc.org" <kea-users at lists.isc.org>
    > *Subject: *[Kea-users] Change in offer packet
    > 
    >  
    > 
    > Hi,
    > 
    >  
    > 
    > One of the reasons why I started using kea, is because it replies with
    > unicast, despite the client makes a discover with bootp flag broadcast.
    > 
    > We filter all broadcast packets to wireless clients.
    > 
    >  
    > 
    > As far as i can see, this has changed in 1.1.0. Now it replies (OFFER)
    > with broadcast instead of unicast.
    > 
    >  
    > 
    > Is there a way I can change that with a setting?
    > 
    >  
    > 
    > -- 
    > 
    > Med venlig hilsen / With best regards
    > 
    > Thomas Andersen
    > 
    >  
    > 
    > Network Architect
    > 
    >  
    > 
    > IT University of Copenhagen
    > 
    > Rued Langgaards Vej 7
    > 
    > 2300 København S
    > 
    >  
    > 
    > Phone: +45 72185249
    > 
    >  
    > 
    
    > ____________________________________________________________________________
    > 
    >  
    > 
    > **NEVER DISCLOSE YOUR PASSWORD OR SHOE SIZE - NOT EVEN TO YOUR DENTIST**
    > 
    > 
    > 
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